144-741: The FIRST Championship is a four-day robotics championship held annually in April at which FIRST student robotics teams compete. For several years, the event was held at the Georgia Dome in Atlanta, Georgia , but moved to the Edward Jones Dome in St. Louis, Missouri in 2011, where it remained through 2017. In 2017, the Championship was split into two events, being additionally held at
288-591: A gyroscope to detect how much a robot is falling and then drive the wheels proportionally in the same direction, to counterbalance the fall at hundreds of times per second, based on the dynamics of an inverted pendulum . Many different balancing robots have been designed. While the Segway is not commonly thought of as a robot, it can be thought of as a component of a robot, when used as such Segway refer to them as RMP (Robotic Mobility Platform). An example of this use has been as NASA 's Robonaut that has been mounted on
432-401: A keyboard , play piano, and perform other fine movements. The prosthesis has sensors which enable the patient to sense real feelings in its fingertips. Other common forms of sensing in robotics use lidar, radar, and sonar. Lidar measures the distance to a target by illuminating the target with laser light and measuring the reflected light with a sensor. Radar uses radio waves to determine
576-527: A Segway. A one-wheeled balancing robot is an extension of a two-wheeled balancing robot so that it can move in any 2D direction using a round ball as its only wheel. Several one-wheeled balancing robots have been designed recently, such as Carnegie Mellon University 's " Ballbot " which is the approximate height and width of a person, and Tohoku Gakuin University 's "BallIP". Because of the long, thin shape and ability to maneuver in tight spaces, they have
720-509: A beetle inspired BFR is the prototype by Phan and Park, and a dragonfly inspired BFR is the prototype by Hu et al. The flapping frequency of insect inspired BFRs are much higher than those of other BFRs; this is because of the aerodynamics of insect flight . Insect inspired BFRs are much smaller than those inspired by mammals or birds, so they are more suitable for dense environments. A class of robots that are biologically inspired, but which do not attempt to mimic biology, are creations such as
864-465: A certain measurement of the environment, or internal components. This is essential for robots to perform their tasks, and act upon any changes in the environment to calculate the appropriate response. They are used for various forms of measurements, to give the robots warnings about safety or malfunctions, and to provide real-time information about the task it is performing. Current robotic and prosthetic hands receive far less tactile information than
1008-656: A championship, with Detroit , Michigan taking St. Louis's place. The Detroit championships took place at Cobo Center and Ford Field . The FIRST Robotics Competition Championship is the final and largest event of the season. The winners of each regional competition as well as the top teams from each district advance to the FIRST Championship. They are placed into one of the 8 divisions, named after influential individuals in STEM, to compete. The winning alliance from each division (a set of 4 teams) moves on to compete on
1152-572: A city with zoning that flooded." On May 16, 2024, a strong derecho caused widespread damage across the city and surrounding metropolitan area. Houston is 165 miles (266 km) east of Austin , 88 miles (142 km) west of the Louisiana border, and 250 miles (400 km) south of Dallas . The city has a total area of 637.4 square miles (1,651 km ); this comprises over 599.59 square miles (1,552.9 km ) of land and 22.3 square miles (58 km ) covered by water. Most of Houston
1296-553: A commercial center, forming a symbiosis with its Gulf Coast port, Galveston. Landlocked farmers brought their produce to Houston, using Buffalo Bayou to gain access to Galveston and the Gulf of Mexico. Houston merchants profited from selling staples to farmers and shipping the farmers' produce to Galveston. The great majority of enslaved people in Texas came with their owners from the older slave states. Sizable numbers, however, came through
1440-649: A day of groundwater. Houston has four major bayous passing through the city that accept water from the extensive drainage system. Buffalo Bayou runs through Downtown and the Houston Ship Channel , and has three tributaries: White Oak Bayou, which runs through the Houston Heights community northwest of Downtown and then towards Downtown; Brays Bayou , which runs along the Texas Medical Center; and Sims Bayou , which runs through
1584-515: A floodplain, a flowing flood-water stream termed a floodway runs through the development area, a most dangerous place to encounter during any future flooding event. Harris County , like other more rural counties, cannot direct developers where to build or not build via land use controls such as a zoning ordinance by Texas law, and instead can only impose general floodplain regulations for enforcement during subdivision approvals and building permit approvals. The 2020 U.S. census determined Houston had
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#17327755402641728-589: A fundamentally different principle, whereby tiny piezoceramic elements, vibrating many thousands of times per second, cause linear or rotary motion. There are different mechanisms of operation; one type uses the vibration of the piezo elements to step the motor in a circle or a straight line. Another type uses the piezo elements to cause a nut to vibrate or to drive a screw. The advantages of these motors are nanometer resolution, speed, and available force for their size. These motors are already available commercially and being used on some robots. Elastic nanotubes are
1872-438: A gentle slope, using only gravity to propel themselves. Using this technique, a robot need only supply a small amount of motor power to walk along a flat surface or a little more to walk up a hill . This technique promises to make walking robots at least ten times more efficient than ZMP walkers, like ASIMO. A modern passenger airliner is essentially a flying robot, with two humans to manage it. The autopilot can control
2016-684: A human. There has been much study on human-inspired walking, such as AMBER lab which was established in 2008 by the Mechanical Engineering Department at Texas A&M University. Many other robots have been built that walk on more than two legs, due to these robots being significantly easier to construct. Walking robots can be used for uneven terrains, which would provide better mobility and energy efficiency than other locomotion methods. Typically, robots on two legs can walk well on flat floors and can occasionally walk up stairs . None can walk over rocky, uneven terrain. Some of
2160-424: A humanoid hand. For simplicity, most mobile robots have four wheels or a number of continuous tracks . Some researchers have tried to create more complex wheeled robots with only one or two wheels. These can have certain advantages such as greater efficiency and reduced parts, as well as allowing a robot to navigate in confined places that a four-wheeled robot would not be able to. Balancing robots generally use
2304-611: A large and growing international community. Houston is the most diverse metropolitan area in Texas and has been described as the most racially and ethnically diverse major city in the U.S. It is home to many cultural institutions and exhibits, such as the Houston Museum District and the Houston Theater District . Present-day Houston sits on land that was once occupied by the Karankawa and
2448-553: A lottery system. From 2014 and on, teams compete in Qualifying Tournaments in order to qualify for their state/regional Championship. At that Championship, teams compete for a spot at one of 4 Super-Regionals. Depending on the presence/number of teams in each state, determines the number of teams that move on to a Super-Regional. Teams then advance from their Super-Regional to the World Championship. In
2592-576: A metal wire running through it. Hands that resemble and work more like a human hand include the Shadow Hand and the Robonaut hand. Hands that are of a mid-level complexity include the Delft hand. Mechanical grippers can come in various types, including friction and encompassing jaws. Friction jaws use all the force of the gripper to hold the object in place using friction. Encompassing jaws cradle
2736-441: A mortgage were $ 1,646, and $ 536 without a mortgage. Houston's median gross rent from 2015 to 2019 was $ 1,041. The median household income in 2019 was $ 52,338 and 20.1% of Houstonians lived at or below the poverty line . Houston is a majority-minority city. The Rice University Kinder Institute for Urban Research, a think tank , has described Greater Houston as "one of the most ethnically and culturally diverse metropolitan areas in
2880-578: A motor and a leadscrew. Another common type is a mechanical linear actuator such as a rack and pinion on a car. Series elastic actuation (SEA) relies on the idea of introducing intentional elasticity between the motor actuator and the load for robust force control. Due to the resultant lower reflected inertia, series elastic actuation improves safety when a robot interacts with the environment (e.g., humans or workpieces) or during collisions. Furthermore, it also provides energy efficiency and shock absorption (mechanical filtering) while reducing excessive wear on
3024-406: A payload of up to 0.8 kg while performing a parabolic climb, steep descent, and rapid recovery. The gull inspired prototype by Grant et al. accurately mimics the elbow and wrist rotation of gulls, and they find that lift generation is maximized when the elbow and wrist deformations are opposite but equal. Insect inspired BFRs typically take inspiration from beetles or dragonflies. An example of
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#17327755402643168-454: A population of 2,304,580. In 2017, the census-estimated population was 2,312,717, and in 2018 it was 2,325,502. An estimated 600,000 undocumented immigrants resided in the Houston area in 2017, comprising nearly 9% of the city's metropolitan population. At the 2010 United States census , Houston had a population of 2,100,263 residents, up from the city's 2,396 at the 1850 census . Per
3312-595: A population of 2,314,157 in 2023, Houston is the fourth-most populous city in the United States after New York City , Los Angeles , and Chicago , and the sixth-most populous city in North America . Houston is the southeast anchor of the greater megaregion known as the Texas Triangle . Comprising a land area of 640.4 square miles (1,659 km ), Houston is the ninth-most expansive city in
3456-644: A power source. Many different types of batteries can be used as a power source for robots. They range from lead–acid batteries, which are safe and have relatively long shelf lives but are rather heavy compared to silver–cadmium batteries which are much smaller in volume and are currently much more expensive. Designing a battery-powered robot needs to take into account factors such as safety, cycle lifetime, and weight . Generators, often some type of internal combustion engine , can also be used. However, such designs are often mechanically complex and need fuel, require heat dissipation, and are relatively heavy. A tether connecting
3600-479: A promising artificial muscle technology in early-stage experimental development. The absence of defects in carbon nanotubes enables these filaments to deform elastically by several percent, with energy storage levels of perhaps 10 J /cm for metal nanotubes. Human biceps could be replaced with an 8 mm diameter wire of this material. Such compact "muscle" might allow future robots to outrun and outjump humans. Sensors allow robots to receive information about
3744-575: A robot, the parts which convert stored energy into movement. By far the most popular actuators are electric motors that rotate a wheel or gear, and linear actuators that control industrial robots in factories. There are some recent advances in alternative types of actuators, powered by electricity, chemicals, or compressed air. The vast majority of robots use electric motors , often brushed and brushless DC motors in portable robots or AC motors in industrial robots and CNC machines. These motors are often preferred in systems with lighter loads, and where
3888-482: A shelter to more than 150,000 people from New Orleans, who evacuated from Hurricane Katrina . One month later, about 2.5 million Houston-area residents evacuated when Hurricane Rita approached the Gulf Coast , leaving little damage to the Houston area. This was the largest urban evacuation in the history of the United States. In May 2015, seven people died after 12 inches of rain fell in 10 hours during what
4032-496: A six-wheeled robot. Tracked wheels behave as if they were made of hundreds of wheels, therefore are very common for outdoor off-road robots, where the robot must drive on very rough terrain. However, they are difficult to use indoors such as on carpets and smooth floors. Examples include NASA's Urban Robot "Urbie". Walking is a difficult and dynamic problem to solve. Several robots have been made which can walk reliably on two legs, however, none have yet been made which are as robust as
4176-583: Is a competition program for elementary and middle school students using LEGO Mindstorms robotics kits. Teams for each program compete in tournaments at a state and regional level. The winning teams from each of these tournaments join the global competition at the FIRST Championship. The FIRST Championship was formally held in conjunction with the FIRST Robotics Conference, which covers a wide variety of topics in science, technology, engineering, and robotics fields. The 2011 championship
4320-460: Is a material that contracts (under 5%) when electricity is applied. They have been used for some small robot applications. EAPs or EPAMs are a plastic material that can contract substantially (up to 380% activation strain) from electricity, and have been used in facial muscles and arms of humanoid robots, and to enable new robots to float, fly, swim or walk. Recent alternatives to DC motors are piezo motors or ultrasonic motors . These work on
4464-420: Is a ten-week program in which high-school students build 125-pound (54 kg) robots designed to compete in a game that changes each year. Students are given sets of parts to use, but they can also use off-the-shelf or custom-made parts. The FIRST Tech Challenge is a mid-level competition program for middle school and high school aged students with a more accessible and affordable robotics kit. FIRST LEGO League
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4608-593: Is also home to buildings designed by noted architects I. M. Pei , César Pelli , and Philip Johnson. In the late 1990s and early 2000s, a mini-boom of midrise and highrise residential tower construction occurred, with several over 30 stories tall. Since 2000 over 30 skyscrapers have been developed in Houston; all told, 72 high-rises tower over the city, which adds up to about 8,300 units. In 2002, Uptown had more than 23 million square feet (2,100,000 m ) of office space with 16 million square feet (1,500,000 m ) of class A office space . Houston's climate
4752-628: Is classified as humid subtropical ( Cfa in the Köppen climate classification system ), typical of the Southern United States . While not in Tornado Alley , like much of Northern Texas , spring supercell thunderstorms sometimes bring tornadoes to the area. Prevailing winds are from the south and southeast during most of the year, which bring heat and tropical moisture from the nearby Gulf of Mexico and Galveston Bay. During
4896-516: Is known as the Memorial Day Flood. Eight people died in April 2016 during a storm that dropped 17 inches of rain. The worst came in late August 2017, when Hurricane Harvey stalled over southeastern Texas, much like Tropical Storm Allison did sixteen years earlier, causing severe flooding in the Houston area, with some areas receiving over 50 inches (1,300 mm) of rain. The rainfall exceeded 50 inches in several areas locally, breaking
5040-400: Is of particular importance as it drives the non-conservative passivity bounds in an SEA scheme for the first time which allows a larger selection of control gains. Pneumatic artificial muscles also known as air muscles, are special tubes that expand (typically up to 42%) when air is forced inside them. They are used in some robot applications. Muscle wire, also known as shape memory alloy,
5184-507: Is on the gulf coastal plain , and its vegetation is classified as Western Gulf coastal grasslands while further north, it transitions into a subtropical jungle, the Big Thicket . Much of the city was built on forested land, marshes, or swamps, and all are still visible in surrounding areas. Flat terrain and extensive greenfield development have combined to worsen flooding. Downtown stands about 50 feet (15 m) above sea level, and
5328-522: Is the interdisciplinary study and practice of the design, construction, operation, and use of robots . Within mechanical engineering , robotics is the design and construction of the physical structures of robots, while in computer science , robotics focuses on robotic automation algorithms. Other disciplines contributing to robotics include electrical , control , software , information , electronic , telecommunication , computer , mechatronic , and materials engineering. The goal of most robotics
5472-606: Is the most populous city in the U.S. state of Texas and the Southern United States . Located in Southeast Texas near Galveston Bay and the Gulf of Mexico , it is the seat of Harris County ; as well as the principal city of the Greater Houston metropolitan area, the fifth-most populous metropolitan statistical area in the United States and the second-most populous in Texas after Dallas–Fort Worth . With
5616-533: Is the 64-floor, 901-foot (275 m)-tall, Philip Johnson and John Burgee designed landmark Williams Tower (known as the Transco Tower until 1999). At the time of construction, it was believed to be the world's tallest skyscraper outside a central business district. The new 20-story Skanska building and BBVA Compass Plaza are the newest office buildings built in Uptown after 30 years. The Uptown District
5760-488: Is the largest city in the United States without formal zoning regulations, it has developed similarly to other Sun Belt cities because the city's land use regulations and legal covenants have played a similar role. Regulations include mandatory lot size for single-family houses and requirements that parking be available to tenants and customers. In 1998, Houston relaxed its mandatory lot sizes from 5,000 square feet to 3,500 square feet, which spurred housing construction in
5904-631: Is the only metropolitan area with less than ten million citizens where such a CO 2 dome can be detected by satellites. Because of Houston's wet season and proximity to the Gulf Coast , the city is prone to flooding from heavy rains; the most notable flooding events include Tropical Storm Allison in 2001 and Hurricane Harvey in 2017, along with most recent Tropical Storm Imelda in 2019 and Tropical Storm Beta in 2020. In response to Hurricane Harvey, Mayor Sylvester Turner of Houston initiated plans to require developers to build homes that will be less susceptible to flooding by raising them two feet above
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6048-418: Is the tallest structure in Texas, 19th tallest building in the United States, and was previously 85th-tallest skyscraper in the world, based on highest architectural feature. In 1983, the 71-floor, 992-foot (302 m)-tall Wells Fargo Plaza (formerly Allied Bank Plaza) was completed, becoming the second-tallest building in Houston and Texas. Based on highest architectural feature, it is the 21st-tallest in
6192-912: Is to design machines that can help and assist humans . Many robots are built to do jobs that are hazardous to people, such as finding survivors in unstable ruins, and exploring space, mines and shipwrecks. Others replace people in jobs that are boring, repetitive, or unpleasant, such as cleaning, monitoring, transporting, and assembling. Today, robotics is a rapidly growing field, as technological advances continue; researching, designing, and building new robots serve various practical purposes. Robotics usually combines three aspects of design work to create robot systems: As many robots are designed for specific tasks, this method of classification becomes more relevant. For example, many robots are designed for assembly work, which may not be readily adaptable for other applications. They are termed "assembly robots". For seam welding, some suppliers provide complete welding systems with
6336-515: Is ubiquitous in Houston; in 1981, annual spending on electricity for interior cooling exceeded $ 600 million (equivalent to $ 2.01 billion in 2023), and by the late 1990s, approximately 90% of Houston homes featured air conditioning systems. The record highest temperature recorded in Houston is 109 °F (43 °C) at Bush Intercontinental Airport, on four occasions: September 4, 2000; August 27, 2011; and August 24 and August 27, 2023. Houston has mild winters, with occasional cold spells. In January,
6480-405: The 500-year floodplain . Hurricane Harvey damaged hundreds of thousands of homes and dumped trillions of gallons of water into the city. In places this led to feet of standing water that blocked streets and flooded homes. The Houston City Council passed this regulation in 2018 with a vote of 9–7. Had these floodplain development rules had been in place all along, it is estimated that 84% of homes in
6624-479: The American Lung Association rating the metropolitan area's ozone level twelfth on the "Most Polluted Cities by Ozone" in 2017, after major cities such as Los Angeles , Phoenix , New York City , and Denver . The industries along the ship channel are a major cause of the city's air pollution. The rankings are in terms of peak-based standards, focusing strictly on the worst days of the year;
6768-701: The Atakapa indigenous peoples for at least 2,000 years before the first known settlers arrived. These tribes are almost nonexistent today; this was most likely caused by foreign disease, and competition with various settler groups in the 18th and 19th centuries. However, the land then remained largely uninhabited from the late 1700s until settlement in the 1830s. The Allen brothers— Augustus Chapman and John Kirby —explored town sites on Buffalo Bayou and Galveston Bay . According to historian David McComb, "[T]he brothers, on August 26, 1836, bought from Elizabeth E. Parrott, wife of T.F.L. Parrott and widow of John Austin,
6912-545: The Battle of Galveston . After the Civil War, Houston businessmen initiated efforts to widen the city's extensive system of bayous so the city could accept more commerce between Downtown and the nearby port of Galveston. By 1890, Houston was the railroad center of Texas. In 1900, after Galveston was struck by a devastating hurricane , efforts to make Houston into a viable deep-water port were accelerated. The following year,
7056-724: The Entomopter . Funded by DARPA , NASA , the United States Air Force , and the Georgia Tech Research Institute and patented by Prof. Robert C. Michelson for covert terrestrial missions as well as flight in the lower Mars atmosphere, the Entomopter flight propulsion system uses low Reynolds number wings similar to those of the hawk moth (Manduca sexta), but flaps them in a non-traditional "opposed x-wing fashion" while "blowing"
7200-989: The George R. Brown Convention Center and Minute Maid Park in Houston, Texas . In 2018 and 2019, the Championship was held in Houston and Detroit , Michigan at the TCF Center and Ford Field . The event comprises four competitions; the FIRST Robotics Competition Championship, the FIRST Tech Challenge World Championship, the FIRST Lego League World Festival, and the FIRST Lego League Junior World Expo. The FIRST Robotics Competition
7344-564: The Houston Dynamo soccer team was formed. In 2017 , the Houston Astros won their first World Series . Flooding has been a recurring problem in the Houston area. In June 2001, Tropical Storm Allison dumped up to 40 inches (1,000 mm) of rain on parts of Houston, causing what was then the worst flooding in the city's history and billions of dollars in damage, and killed 20 people in Texas. In August 2005, Houston became
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#17327755402647488-726: The Houston Ship Channel , and the Texas oil boom . In the mid-20th century, Houston's economy diversified, as it became home to the Texas Medical Center —the world's largest concentration of healthcare and research institutions—and NASA 's Johnson Space Center , home to the Mission Control Center . Since the late 19th century, Houston's economy has had a broad industrial base in energy , manufacturing , aeronautics, and transportation . Leading in healthcare sectors and building oilfield equipment, Houston has
7632-538: The Interstate 610 loop . The "Inner Loop" encompasses a 97-square-mile (250 km ) area which includes Downtown, pre–World War II residential neighborhoods and streetcar suburbs , and newer high-density apartment and townhouse developments. Outside the loop, the city's typology is more suburban , though many major business districts—such as Uptown , Westchase , and the Energy Corridor —lie well outside
7776-684: The Junior FIRST Lego League World Festival took place at Union Station (St. Louis) , and the FIRST LEGO League World Festival as well as the FIRST Robotics Competition Championship took place at the Edward Jones Dome and America's Center . The new arrangement was designed to give an "Olympic Village" feel and allow for more space to expand each individual program. In 2017, the Championship
7920-482: The capital of the Texas Republic in the late 1830s, Houston grew steadily into a regional trading center for the remainder of the 19th century. The 20th century brought a convergence of economic factors that fueled rapid growth in Houston, including a burgeoning port and railroad industry, the decline of Galveston as Texas's primary port following a devastating 1900 hurricane , the subsequent construction of
8064-604: The 100-year and 500-year floodplains would have been spared damage. In a recent case testing these regulations, near the Brickhouse Gulley, an old golf course that long served as a floodplain and reservoir for floodwaters, announced a change of heart toward intensifying development. A nationwide developer, Meritage Homes , bought the land and planned to develop the 500-year floodplain into 900 new residential homes. Their plan would bring in $ 360 million in revenue and boost city population and tax revenue. In order to meet
8208-507: The 1960s, Downtown Houston consisted of a collection of mid-rise office structures. Downtown was on the threshold of an energy industry–led boom in 1970. A succession of skyscrapers was built throughout the 1970s—many by real estate developer Gerald D. Hines —culminating with Houston's tallest skyscraper, the 75-floor, 1,002-foot (305 m)-tall JPMorgan Chase Tower (formerly the Texas Commerce Tower), completed in 1982. It
8352-511: The 1980s by Marc Raibert at the MIT Leg Laboratory, successfully demonstrated very dynamic walking. Initially, a robot with only one leg, and a very small foot could stay upright simply by hopping . The movement is the same as that of a person on a pogo stick . As the robot falls to one side, it would jump slightly in that direction, in order to catch itself. Soon, the algorithm was generalised to two and four legs. A bipedal robot
8496-472: The 2018 season onward. Due to this, the winners of both championships would now be considered world champions. Houston: St. Louis/Detroit: In 2022 with the return to a single championship event FRC teams were divided into the 6 Houston divisions seen through the 2019 championship. In 2023 2 additional divisions, Johnson and Milstein , were added to the 6 from 2022 bringing the total to 8 FRC divisions. There are many awards that are presented to FRC teams at
8640-468: The 2018–2019 season, Super-Regionals were abolished and FTC teams advanced to the World Championship directly from their state/regional Championship. At each championship, awards are presented to recognize teams for their performance in the competition, their robot's design, and their efforts to spread the message of FIRST. These awards include World Championship Finalist and Winner, the Design Award,
8784-447: The 2019 American Community Survey , Houston's age distribution was 482,402 under 15; 144,196 aged 15 to 19; 594,477 aged 20 to 34; 591,561 aged 35 to 54; 402,804 aged 55 to 74; and 101,357 aged 75 and older. The median age of the city was 33.4. At the 2014-2018 census estimates, Houston's age distribution was 486,083 under 15; 147,710 aged 15 to 19; 603,586 aged 20 to 34; 726,877 aged 35 to 59; and 357,834 aged 60 and older. The median age
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#17327755402648928-658: The 2022 FIRST Championship was later scheduled solely for Houston and was held from April 20 to April 23, 2022. 1992 was the first year of the FIRST Robotics Competition. Just over 20 teams competed at one event, which was held at Memorial High School in Manchester, New Hampshire. In 1993, the sole competition was held at Bishop Guertin High School in Nashua, New Hampshire. In 1994, the competition
9072-703: The 21st century. In 2000, the Houston Astros opened their new baseball stadium, Daikin Park , in downtown adjacent to the old Union Station . The Houston Texans were formed in 2002 as an NFL expansion team, replacing the Houston Oilers , which had left the city in 1996. NRG Stadium opened the same year. In 2003, the Toyota Center opened as the home for the Houston Rockets . In 2005,
9216-1198: The Championship. These awards include the Engineering Inspiration Award, the Industrial Design Award, the Gracious Professionalism Award, the Entrepreneurship Award, the Industrial Safety Award, the Rookie All-Star Award, the Rookie Inspiration Award, the Woodie Flowers Award, and the Dean's List Award. The most prestigious award is the Impact Award (previously called the Chairman's Award), which recognizes
9360-809: The Connect Award, the Innovate Award, the Motivate Award, the Think Award and the Judges' Award. The most notable awards are the World Championship Inspire Award and the award given to the winning alliance. The FTC World Championship was held in Houston and Detroit through the 2019 championship. The event is currently held in Houston. FTC has four divisions that teams are randomly divided into. Up until
9504-619: The Einstein Field. The winning alliance on the Einstein Field is declared the FIRST Champion. The FIRST Robotics Competition Championship was initially divided into 4 divisions: In 2015, the 4 divisions were further divided into 8 divisions (not including the final Einstein Field) and expanding naming to share more breadth in hero innovators: In 2017, the first year of the split championship, 4 more divisions were added bringing
9648-410: The Houston area. In 2001, Enron Corporation , a Houston company with $ 100 billion in revenue, became engulfed in an accounting scandal which bankrupted the company in 2001. Healthcare has emerged as a major industry in Houston. The Texas Medical Center is now the largest medical complex in the world and employs over 120,000 people. Three new sports stadiums opened downtown in the first decade of
9792-403: The North ; this resulted in an economic boom and produced a key shift in the city's economy toward the energy sector. The increased production of the expanded shipbuilding industry during World War II spurred Houston's growth, as did the establishment in 1961 of NASA's "Manned Spacecraft Center" (renamed the Lyndon B. Johnson Space Center in 1973). This was the stimulus for the development of
9936-412: The United States (including consolidated city-counties ). It is the largest city in the United States by total area whose government is not consolidated with a county, parish, or borough. Though primarily in Harris County, small portions of the city extend into Fort Bend and Montgomery counties, bordering other principal communities of Greater Houston such as Sugar Land and The Woodlands . Houston
10080-401: The United States. The majority of rainfall occurs between April and October (the wet season of Southeast Texas), when the moisture from the Gulf of Mexico evaporates extensively over the city. Houston has excessive ozone levels and is routinely ranked among the most ozone-polluted cities in the United States. Ground-level ozone, or smog, is Houston's predominant air pollution problem, with
10224-434: The United States. In 2007, Downtown had over 43 million square feet (4,000,000 m ) of office space. Centered on Post Oak Boulevard and Westheimer Road, the Uptown District boomed during the 1970s and early 1980s when a collection of midrise office buildings, hotels, and retail developments appeared along I-610 West. Uptown became one of the most prominent instances of an edge city . The tallest building in Uptown
10368-406: The angle of attack range over which the prototype can operate before stalling. The wings of bird inspired BFRs allow for in-plane deformation, and the in-plane wing deformation can be adjusted to maximize flight efficiency depending on the flight gait. An example of a raptor inspired BFR is the prototype by Savastano et al. The prototype has fully deformable flapping wings and is capable of carrying
10512-441: The average ozone levels in Houston are lower than what is seen in most other areas of the country, as dominant winds ensure clean, marine air from the Gulf. Excessive man-made emissions in the Houston area led to a persistent increase of atmospheric carbon dioxide over the city. Such an increase, often regarded as "CO 2 urban dome", is driven by a combination of strong emissions and stagnant atmospheric conditions. Moreover, Houston
10656-579: The cancellation of the Championship events in Houston and Detroit, due to the COVID-19 pandemic . The FIRST LEGO League World Championship was held as a virtual competition on April 18 and 19, 2020 and hosted by FLL Share and Learn. The 2021 FIRST Championship in Houston and Detroit were cancelled due to the COVID-19 pandemic . The events were replaced by a virtual ceremony at the 2021 FIRST Global Innovation Awards on June 28–30, 2021. Despite originally announcing dates for both Detroit and Houston for 2022,
10800-403: The city dramatically. Such restrictions have had mixed results. Though some have blamed the city's low density, urban sprawl , and lack of pedestrian-friendliness on these policies, others have credited the city's land use patterns with providing significant affordable housing, sparing Houston the worst effects of the 2008 real estate crisis . The city issued 42,697 building permits in 2008 and
10944-435: The city have a high risk of localized flooding due to flat topography, ubiquitous low- permeability clay-silt prairie soils, and inadequate infrastructure. During the mid-2010s, Greater Houston experienced consecutive major flood events in 2015 ( "Memorial Day" ), 2016 ( "Tax Day" ), and 2017 ( Hurricane Harvey ). Overall, there have been more casualties and property loss from floods in Houston than in any other locality in
11088-608: The city in addition to Downtown , which include Uptown, the Texas Medical Center , Midtown , Greenway Plaza , Memorial City , the Energy Corridor, Westchase , and Greenspoint . Houston had the fifth-tallest skyline in North America (after New York City, Chicago , Toronto and Miami ) and 36th-tallest in the world in 2015. A seven-mile (11 km) system of tunnels and skywalks links Downtown buildings containing shops and restaurants, enabling pedestrians to avoid summer heat and rain while walking between buildings. In
11232-584: The city's aerospace industry. The Astrodome , nicknamed the " Eighth Wonder of the World ", opened in 1965 as the world's first indoor domed sports stadium. During the late 1970s, Houston had a population boom as people from the Rust Belt states moved to Texas in large numbers. The new residents came for numerous employment opportunities in the petroleum industry, created as a result of the Arab oil embargo . With
11376-419: The city. Land in some areas southeast of Houston is sinking because water has been pumped out of the ground for many years. It may be associated with slip along the faults; however, the slippage is slow and not considered an earthquake, where stationary faults must slip suddenly enough to create seismic waves. These faults also tend to move at a smooth rate in what is termed " fault creep ", which further reduces
11520-553: The discovery of oil at the Spindletop oil field near Beaumont prompted the development of the Texas petroleum industry. In 1902, President Theodore Roosevelt approved a $ 1 million improvement project for the Houston Ship Channel. By 1910, the city's population had reached 78,800, almost doubling from a decade before. African Americans formed a large part of the city's population, numbering 23,929 people, which
11664-584: The domestic slave trade. New Orleans was the center of this trade in the Deep South, but slave dealers were in Houston. Thousands of enslaved black people lived near the city before the American Civil War . Many of them near the city worked on sugar and cotton plantations, while most of those in the city limits had domestic and artisan jobs. In 1840, the community established a chamber of commerce, in part to promote shipping and navigation at
11808-696: The end of the 2016 season, winning alliances from Franklin and Edison went on to compete in the finals on the DaVinci Field. In 2017, FTC teams joined FRC teams to play their finals matches on the Einstein Field. The top competitions in FLL program are FLL Open Championships and FLL World Festival. The Open Championships are managed by FLL Partners with a goal to bring teams from different regions to complete and showcase their achievements. Currently, there are two Open Championships, FLL Open European Championship and FLL US Open Championship. FLL Open Asian Championship
11952-560: The environment or the robot itself (e.g. the position of its joints or its end effector). This information is then processed to be stored or transmitted and to calculate the appropriate signals to the actuators ( motors ), which move the mechanical structure to achieve the required co-ordinated motion or force actions. The processing phase can range in complexity. At a reactive level, it may translate raw sensor information directly into actuator commands (e.g. firing motor power electronic gates based directly upon encoder feedback signals to achieve
12096-537: The erosion of the Rocky Mountains . These sediments consist of a series of sands and clays deposited on decaying organic marine matter, that over time, transformed into oil and natural gas. Beneath the layers of sediment is a water-deposited layer of halite , a rock salt. The porous layers were compressed over time and forced upward. As it pushed upward, the salt dragged surrounding sediments into salt dome formations, often trapping oil and gas that seeped from
12240-464: The feet in order to maintain stability. This technique was recently demonstrated by Anybots' Dexter Robot, which is so stable, it can even jump. Another example is the TU Delft Flame . Perhaps the most promising approach uses passive dynamics where the momentum of swinging limbs is used for greater efficiency . It has been shown that totally unpowered humanoid mechanisms can walk down
12384-499: The first time that May. The Republic of Texas granted Houston incorporation on June 5, 1837, as James S. Holman became its first mayor. In the same year, Houston became the county seat of Harrisburg County (now Harris County). In 1839, the Republic of Texas relocated its capital to Austin . The town suffered another setback that year when a yellow fever epidemic claimed about one life for every eight residents, yet it persisted as
12528-449: The fluid path around the electrodes is deformed, producing impedance changes that map the forces received from the object. The researchers expect that an important function of such artificial fingertips will be adjusting the robotic grip on held objects. Scientists from several European countries and Israel developed a prosthetic hand in 2009, called SmartHand, which functions like a real one —allowing patients to write with it, type on
12672-412: The functional end of a robot arm intended to make the effect (whether a hand, or tool) are often referred to as end effectors , while the "arm" is referred to as a manipulator . Most robot arms have replaceable end-effectors, each allowing them to perform some small range of tasks. Some have a fixed manipulator that cannot be replaced, while a few have one very general-purpose manipulator, for example,
12816-635: The growing requirements of a wide range of robot users, including system developers, end users and research scientists, and are better positioned to deliver the advanced robotic concepts related to Industry 4.0 . In addition to utilizing many established features of robot controllers, such as position, velocity and force control of end effectors, they also enable IoT interconnection and the implementation of more advanced sensor fusion and control techniques, including adaptive control, Fuzzy control and Artificial Neural Network (ANN)-based control. When implemented in real-time, such techniques can potentially improve
12960-479: The higher-level tasks into individual commands that drive the actuators, most often using kinematic and dynamic models of the mechanical structure. At longer time scales or with more sophisticated tasks, the robot may need to build and reason with a "cognitive" model. Cognitive models try to represent the robot, the world, and how the two interact. Pattern recognition and computer vision can be used to track objects. Mapping techniques can be used to build maps of
13104-436: The highest point in far northwest Houston is about 150 feet (46 m) in elevation. The city once relied on groundwater for its needs, but land subsidence forced the city to turn to ground-level water sources such as Lake Houston , Lake Conroe , and Lake Livingston . The city owns surface water rights for 1.20 billion U.S. gallons (4.5 Gl) of water a day in addition to 150 million U.S. gallons (570 Ml)
13248-431: The human hand. Recent research has developed a tactile sensor array that mimics the mechanical properties and touch receptors of human fingertips. The sensor array is constructed as a rigid core surrounded by conductive fluid contained by an elastomeric skin. Electrodes are mounted on the surface of the rigid core and are connected to an impedance-measuring device within the core. When the artificial skin touches an object
13392-496: The impact of landing, shock absorbers can be implemented along the wings. Alternatively, the BFR can pitch up and increase the amount of drag it experiences. By increasing the drag force, the BFR will decelerate and minimize the impact upon grounding. Different land gait patterns can also be implemented. Bird inspired BFRs can take inspiration from raptors, gulls, and everything in-between. Bird inspired BFRs can be feathered to increase
13536-616: The increase in professional jobs, Houston has become a destination for many college-educated persons, most recently including African Americans in a reverse Great Migration from northern areas. In 1997, Houstonians elected Lee P. Brown as the city's first African American mayor. Houston has continued to grow into the 21st century, with the population increasing 15.7% from 2000 to 2022. Oil and gas have continued to fuel Houston's economic growth, with major oil companies including Phillips 66 , ConocoPhillips , Occidental Petroleum , Halliburton , and ExxonMobil having their headquarters in
13680-409: The methods which have been tried are: The zero moment point (ZMP) is the algorithm used by robots such as Honda 's ASIMO . The robot's onboard computer tries to keep the total inertial forces (the combination of Earth 's gravity and the acceleration and deceleration of walking), exactly opposed by the floor reaction force (the force of the floor pushing back on the robot's foot). In this way,
13824-570: The metro area, and an event on December 7, 2017, which precipitated 0.7 inches (2 cm) of snowfall. Snowfalls of at least 1 inch (2.5 cm) on both December 10, 2008, and December 4, 2009, marked the first time measurable snowfall had occurred in two consecutive years in the city's recorded history. Overall, Houston has seen measurable snowfall 38 times between 1895 and 2018. On February 14 and 15, 1895, Houston received 20 inches (51 cm) of snow, its largest snowfall from one storm on record. The coldest temperature officially recorded in Houston
13968-611: The national record for rainfall. The damage for the Houston area was estimated at up to $ 125 billion U.S. dollars , and was considered to be one of the worst natural disasters in the history of the United States , with the death toll exceeding 70 people. Houston's lack of zoning laws allowed unregulated building of residential homes and other structures in flood-prone areas. However, it also resulted in more concentrated development in already urban areas than in wetlands and suburbs. Mayor Sylvester Turner tweeted of Hurricane Harvey that "zoning wouldn't have changed anything. We would have been
14112-421: The natural compliance of soft suction end-effectors can enable a robot to be more robust in the presence of imperfect robotic perception. As an example: consider the case of a robot vision system that estimates the position of a water bottle but has 1 centimeter of error. While this may cause a rigid mechanical gripper to puncture the water bottle, the soft suction end-effector may just bend slightly and conform to
14256-935: The need for a command from a human. Other flying robots include cruise missiles , the Entomopter , and the Epson micro helicopter robot . Robots such as the Air Penguin, Air Ray, and Air Jelly have lighter-than-air bodies, are propelled by paddles, and are guided by sonar. BFRs take inspiration from flying mammals, birds, or insects. BFRs can have flapping wings, which generate the lift and thrust, or they can be propeller actuated. BFRs with flapping wings have increased stroke efficiencies, increased maneuverability, and reduced energy consumption in comparison to propeller actuated BFRs. Mammal and bird inspired BFRs share similar flight characteristics and design considerations. For instance, both mammal and bird inspired BFRs minimize edge fluttering and pressure-induced wingtip curl by increasing
14400-461: The new floodplain regulations, the developers needed to elevate the lowest floors two feet above the 500-year floodplain, equivalent to five or six feet above the 100-year base flood elevation, and build a channel to direct stormwater runoff toward detention basins. Before Hurricane Harvey, the city had bought $ 10.7 million in houses in this area specifically to take them out of danger. In addition to developing new streets and single-family housing within
14544-491: The newly created port on Buffalo Bayou. By 1860, Houston had emerged as a commercial and railroad hub for the export of cotton. Railroad spurs from the Texas inland converged in Houston, where they met rail lines to the ports of Galveston and Beaumont . During the American Civil War, Houston served as a headquarters for Confederate Major General John B. Magruder , who used the city as an organization point for
14688-423: The normal mean temperature at George Bush Intercontinental Airport is 53 °F (12 °C), with an average of 13 days per year with a low at or below 32 °F (0 °C), occurring on average between December 3 and February 20, allowing for a growing season of 286 days. Twenty-first century snow events in Houston include a storm on December 24, 2004 , which saw 1 inch (3 cm) of snow accumulate in parts of
14832-544: The notional town in honor of Sam Houston, who would become President later that year. They successfully lobbied the Republic of Texas Congress to designate Houston as the temporary capital, agreeing to provide the new government with a state capitol building. About a dozen persons resided in the town at the beginning of 1837, but that number grew to about 1,500 by the time the Texas Congress convened in Houston for
14976-448: The object in place, using less friction. Suction end-effectors, powered by vacuum generators, are very simple astrictive devices that can hold very large loads provided the prehension surface is smooth enough to ensure suction. Pick and place robots for electronic components and for large objects like car windscreens, often use very simple vacuum end-effectors. Suction is a highly used type of end-effector in industry, in part because
15120-438: The plane for each stage of the journey, including takeoff, normal flight, and even landing. Other flying robots are uninhabited and are known as unmanned aerial vehicles (UAVs). They can be smaller and lighter without a human pilot on board, and fly into dangerous territory for military surveillance missions. Some can even fire on targets under command. UAVs are also being developed which can fire on targets automatically, without
15264-485: The port decreased and shipping activities were suspended; however, the war did provide economic benefits for the city. Petrochemical refineries and manufacturing plants were constructed along the ship channel because of the demand for petroleum and synthetic rubber products by the defense industry during the war. Ellington Field , initially built during World War I , was revitalized as an advanced training center for bombardiers and navigators. The Brown Shipbuilding Company
15408-448: The postwar years. In 1945, the M.D. Anderson Foundation formed the Texas Medical Center . After the war, Houston's economy reverted to being primarily port-driven. In 1948, the city annexed several unincorporated areas, more than doubling its size. Houston proper began to spread across the region. In 1950, the availability of air conditioning provided impetus for many companies to relocate to Houston, where wages were lower than those in
15552-499: The potential to function better than other robots in environments with people. Several attempts have been made in robots that are completely inside a spherical ball, either by spinning a weight inside the ball, or by rotating the outer shells of the sphere. These have also been referred to as an orb bot or a ball bot. Using six wheels instead of four wheels can give better traction or grip in outdoor terrain such as on rocky dirt or grass. Tracks provide even more traction than
15696-436: The predominant form of motion is rotational. Various types of linear actuators move in and out instead of by spinning, and often have quicker direction changes, particularly when very large forces are needed such as with industrial robotics. They are typically powered by compressed and oxidized air ( pneumatic actuator ) or an oil ( hydraulic actuator ) Linear actuators can also be powered by electricity which usually consists of
15840-410: The range, angle, or velocity of objects. Sonar uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water. One of the most common types of end-effectors are "grippers". In its simplest manifestation, it consists of just two fingers that can open and close to pick up and let go of a range of small objects. Fingers can, for example, be made of a chain with
15984-428: The required torque/velocity of the shaft). Sensor fusion and internal models may first be used to estimate parameters of interest (e.g. the position of the robot's gripper) from noisy sensor data. An immediate task (such as moving the gripper in a certain direction until an object is detected with a proximity sensor) is sometimes inferred from these estimates. Techniques from control theory are generally used to convert
16128-512: The rigidity of the wing edge and wingtips. Mammal and insect inspired BFRs can be impact resistant, making them useful in cluttered environments. Mammal inspired BFRs typically take inspiration from bats, but the flying squirrel has also inspired a prototype. Examples of bat inspired BFRs include Bat Bot and the DALER. Mammal inspired BFRs can be designed to be multi-modal; therefore, they're capable of both flight and terrestrial movement. To reduce
16272-505: The risk of an earthquake. The city of Houston was incorporated in 1837 and adopted a ward system of representation shortly afterward, in 1840. The six original wards of Houston are the progenitors of the 11 modern-day geographically oriented Houston City Council districts, though the city abandoned the ward system in 1905 in favor of a commission government , and, later, the existing mayor–council government . Locations in Houston are generally classified as either being inside or outside
16416-482: The robot i.e. the welding equipment along with other material handling facilities like turntables, etc. as an integrated unit. Such an integrated robotic system is called a "welding robot" even though its discrete manipulator unit could be adapted to a variety of tasks. Some robots are specifically designed for heavy load manipulation, and are labeled as "heavy-duty robots". Current and potential applications include: At present, mostly (lead–acid) batteries are used as
16560-404: The robot to a power supply would remove the power supply from the robot entirely. This has the advantage of saving weight and space by moving all power generation and storage components elsewhere. However, this design does come with the drawback of constantly having a cable connected to the robot, which can be difficult to manage. Potential power sources could be: Actuators are the " muscles " of
16704-481: The second-most Fortune 500 headquarters of any U.S. municipality within its city limits. The Port of Houston ranks first in the United States in international waterborne tonnage handled and second in total cargo tonnage handled. Nicknamed the "Bayou City", "Space City", "H-Town", and "the 713 ", Houston has become a global city , with strengths in culture, medicine, and research. The city's population comprises various ethnic and religious backgrounds, as well as
16848-626: The shape of the water bottle surface. Some advanced robots are beginning to use fully humanoid hands, like the Shadow Hand, MANUS, and the Schunk hand. They have powerful robot dexterity intelligence (RDI) , with as many as 20 degrees of freedom and hundreds of tactile sensors. The mechanical structure of a robot must be controlled to perform tasks. The control of a robot involves three distinct phases – perception , processing, and action ( robotic paradigms ). Sensors give information about
16992-515: The south half of the lower league [2,214-acre (896 ha) tract] granted to her by her late husband. They paid $ 5,000 total, but only $ 1,000 of this in cash; notes made up the remainder." This was financed by assets inherited by Augustus's wife, Charlotte Baldwin Allen . The Allen brothers ran their first advertisement for Houston just four days later in the Telegraph and Texas Register , naming
17136-475: The south of Houston and Downtown Houston. The ship channel continues past Galveston and then into the Gulf of Mexico. Houston is a flat, marshy area where an extensive drainage system has been built. The adjoining prairie land drains into the city, which is prone to flooding. Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from
17280-471: The stability and performance of robots operating in unknown or uncertain environments by enabling the control systems to learn and adapt to environmental changes. There are several examples of reference architectures for robot controllers, and also examples of successful implementations of actual robot controllers developed from them. One example of a generic reference architecture and associated interconnected, open-architecture robot and controller implementation
17424-440: The stringent limitations imposed on the controller which may trade-off performance. The reader is referred to the following survey which summarizes the common controller architectures for SEA along with the corresponding sufficient passivity conditions. One recent study has derived the necessary and sufficient passivity conditions for one of the most common impedance control architectures, namely velocity-sourced SEA. This work
17568-421: The summer, temperatures reach or exceed 90 °F (32 °C) an average of 106.5 days per year, including a majority of days from June to September. Additionally, an average of 4.6 days per year reach or exceed 100 °F (37.8 °C). Houston's characteristic subtropical humidity often results in a higher apparent temperature , and summer mornings average over 90% relative humidity . Air conditioning
17712-584: The surface to enhance lift based on the Coandă effect as well as to control vehicle attitude and direction. Waste gas from the propulsion system not only facilitates the blown wing aerodynamics, but also serves to create ultrasonic emissions like that of a Bat for obstacle avoidance. The Entomopter and other biologically-inspired robots leverage features of biological systems, but do not attempt to create mechanical analogs. Houston, Texas Houston ( / ˈ h juː s t ən / HEW -stən )
17856-466: The surrounding porous sands. The thick, rich, sometimes black, surface soil is suitable for rice farming in suburban outskirts where the city continues to grow. The Houston area has over 150 active faults (estimated to be 300 active faults ) with an aggregate length of up to 310 miles (500 km), including the Long Point–Eureka Heights fault system which runs through the center of
18000-616: The team that best represents a model for other teams to emulate both on and off the field. Before 2014, after all FTC teams have competed in state / regional championship tournaments, the winning teams move on to the FTC World Championship. The Inspire Award-winning teams and the captain teams of the Winning Alliance in the regional tournaments are automatically eligible for the world championship. If there are still spots available, additional teams may be picked by
18144-699: The total to 12 divisions (not including the final Einstein Field in each city), with six divisions in each city. The six division winning alliances played a round-robin tournament to determine their location's champion, who then played the other city's champion in July at the FIRST Festival of Champions in New Hampshire. On February 6, 2018, FIRST announced that the Festival of Champions would not happen from
18288-450: The transmission and other mechanical components. This approach has successfully been employed in various robots, particularly advanced manufacturing robots and walking humanoid robots. The controller design of a series elastic actuator is most often performed within the passivity framework as it ensures the safety of interaction with unstructured environments. Despite its remarkable stability and robustness, this framework suffers from
18432-449: The two forces cancel out, leaving no moment (force causing the robot to rotate and fall over). However, this is not exactly how a human walks, and the difference is obvious to human observers, some of whom have pointed out that ASIMO walks as if it needs the lavatory . ASIMO's walking algorithm is not static, and some dynamic balancing is used (see below). However, it still requires a smooth surface to walk on. Several robots, built in
18576-662: The urban core. In addition to Interstate 610, two additional loop highways encircle the city: Beltway 8 , with a radius of approximately 10 miles (16 km) from Downtown, and State Highway 99 (the Grand Parkway), with a radius of 25 miles (40 km). Approximately 470,000 people lived within the Interstate 610 loop, while 1.65 million lived between Interstate 610 and Beltway 8 and 2.25 million lived within Harris County outside Beltway 8 in 2015. Though Houston
18720-1072: The world. Finally, motion planning and other artificial intelligence techniques may be used to figure out how to act. For example, a planner may figure out how to achieve a task without hitting obstacles, falling over, etc. Modern commercial robotic control systems are highly complex, integrate multiple sensors and effectors, have many interacting degrees-of-freedom (DOF) and require operator interfaces, programming tools and real-time capabilities. They are oftentimes interconnected to wider communication networks and in many cases are now both IoT -enabled and mobile. Progress towards open architecture, layered, user-friendly and 'intelligent' sensor-based interconnected robots has emerged from earlier concepts related to Flexible Manufacturing Systems (FMS), and several 'open or 'hybrid' reference architectures exist which assist developers of robot control software and hardware to move beyond traditional, earlier notions of 'closed' robot control systems have been proposed. Open architecture controllers are said to be better able to meet
18864-481: Was 33.1, up from 32.9 in 2017 and down from 33.5 in 2014; the city's youthfulness has been attributed to an influx of an African American New Great Migration , Hispanic and Latino American, and Asian immigrants into Texas. For every 100 females, there were 98.5 males. There were 987,158 housing units in 2019 and 876,504 households. An estimated 42.3% of Houstonians owned housing units, with an average of 2.65 people per household. The median monthly owner costs with
19008-484: Was 5 °F (−15 °C) on January 18, 1930. The last time Houston saw single digit temperatures was on December 23, 1989. The temperature dropped to 7 °F (−14 °C) at Bush Airport, marking the coldest temperature ever recorded there. 1.7 inches of snow fell at George Bush Intercontinental Airport the previous day. Houston generally receives ample rainfall, averaging about 49.8 in (1,260 mm) annually based on records between 1981 and 2010. Many parts of
19152-578: Was also host to the Collegiate Aerial Robotics Demonstration , a pilot collegiate FIRST program. In 2015, to expand, it was announced that the FIRST Championship would be divided into multiple venues. The new Innovation Faire featuring displays and demonstrations from FIRST Sponsors, Partners and Suppliers took place at the Renaissance St. Louis Grand Hotel , The FIRST Tech Challenge World Championship and
19296-558: Was demonstrated running and even performing somersaults . A quadruped was also demonstrated which could trot , run, pace , and bound. For a full list of these robots, see the MIT Leg Lab Robots page. A more advanced way for a robot to walk is by using a dynamic balancing algorithm, which is potentially more robust than the Zero Moment Point technique, as it constantly monitors the robot's motion, and places
19440-518: Was extended through 2007 with options for 2008 and 2009. In 2009, St. Louis was selected, from three finalists, to serve as host city for 2011 through 2013. In 2012, the tenure at St. Louis was extended until 2014. In 2013, the tenure in St. Louis was once again extended for three additional years through 2017. The 2017 through 2019 championships consisted of two championship events, located in two different cities on back to back weekends. The 2017 championships
19584-446: Was founded by land investors on August 30, 1836, at the confluence of Buffalo Bayou and White Oak Bayou (a point now known as Allen's Landing ) and incorporated as a city on June 5, 1837. The city is named after former General Sam Houston , who was president of the Republic of Texas and had won Texas's independence from Mexico at the Battle of San Jacinto 25 miles (40 km) east of Allen's Landing. After briefly serving as
19728-582: Was founded in 1942 to build ships for the U.S. Navy during World War II. Due to the boom in defense jobs, thousands of new workers migrated to the city, both black, and white people competing for the higher-paying jobs. President Roosevelt had established a policy of nondiscrimination for defense contractors, and black people gained some opportunities, especially in shipbuilding, although not without resistance from white people and increasing social tensions that erupted into occasional violence. Economic gains of black people who entered defense industries continued in
19872-525: Was held at Nashua High School. In 1995, FIRST had grown to the point to which they had outgrown the one competition, so they moved to a regional qualifier system, and thus the FIRST championship was born. From 1995 through 2002, the championship was held at Epcot Center in Orlando. Reliant Park in Houston was the venue for 2003. Atlanta served as host city from 2004 through 2010. In 2005, the contract with Atlanta
20016-980: Was held in 2008 in Tokyo , Japan. However, it did not return in 2009. FLL World Festival is hosted and managed by FIRST. The teams are often the Champion's Award team at the state or national level with some other criteria including special nomination from FLL Operational Partners globally. In 2009, there were 84 teams from 27 countries that joined the festival with the theme Climate Connections . The award categories include Innovative Design Award, Quality Design Award, Programming Award, Research Quality Award, Innovative Solution Award, Creative Presentation Award, Teamwork Award, Team Spirit Awards, Against All Odds Awards, Outstanding Volunteer Awards, Adult Coach/Mentor Awards, Young Adult Mentor Awards, and Judges' Awards. The most notable awards are Champion's Award and Robot Performance Award. ===Recent winners=== Robotics Robotics
20160-503: Was held in St. Louis, centered at the Edward Jones Dome, and in Houston, Texas , at the George R. Brown Convention Center , Toyota Center , and Minute Maid Park . 2017 marked St. Louis's final hosting of the event for the foreseeable future, ending its seven years hosting the event, as well as the FIRST Championship's return to Houston, following the 2003 Championships at NRG Park . In 2018 and 2019, Houston continued to host
20304-400: Was nearly one-third of Houston's residents. President Woodrow Wilson opened the deep-water Port of Houston in 1914, seven years after digging began. By 1930, Houston had become Texas's most populous city and Harris County the most populous county. In 1940, the U.S. Census Bureau reported Houston's population as 77.5% White and 22.4% black. When World War II started, tonnage levels at
20448-417: Was ranked first in the list of healthiest housing markets for 2009. In 2019, home sales reached a new record of $ 30 billion. In referendums in 1948, 1962, and 1993, voters rejected efforts to establish separate residential and commercial land-use districts. Consequently, rather than a single central business district as the center of the city's employment, multiple districts and skylines have grown throughout
20592-403: Was split into 2 championships, one occurring in Houston and the other a week later in St. Louis. The second Championship was moved to Detroit for 2018 and 2019. In 2020, FIRST decided to move the closing ceremonies for all programs from Minute Maid Park and Ford Field to the convention centers in Houston and Detroit respectively. The 2020 FIRST season was suspended on March 12, 2020, resulting in
20736-450: Was used in a number of research and development studies, including prototype implementation of novel advanced and intelligent control and environment mapping methods in real-time. A definition of robotic manipulation has been provided by Matt Mason as: "manipulation refers to an agent's control of its environment through selective contact". Robots need to manipulate objects; pick up, modify, destroy, move or otherwise have an effect. Thus
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