About: Stewart platform

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A Stewart platform is a type of parallel manipulator that has six prismatic actuators, commonly hydraulic jacks or electric linear actuators, attached in pairs to three positions on the platform's baseplate, crossing over to three mounting points on a top plate. All 12 connections are made via universal joints. Devices placed on the top plate can be moved in the six degrees of freedom in which it is possible for a freely-suspended body to move: three linear movements x, y, z (lateral, longitudinal, and vertical), and the three rotations (pitch, roll, and yaw).

Attributes	Values
rdf:type	yago:WikicatAstronomicalInstruments yago:WikicatMachines yago:WikicatRobots yago:Artifact100021939 yago:Automaton102761392 yago:Device103183080 yago:Instrument103574816 yago:Instrumentality103575240 yago:Machine103699975 yago:Mechanism103738472 yago:Object100002684 yago:PhysicalEntity100001930 comics character yago:Whole100003553
rdfs:label	Hexapod (de) Plateforme de Stewart (fr) スチュワートプラットフォーム (ja) Stewart platform (en) Платформа Гью — Стюарта (ru) 史都華平台 (zh) Платформа Г'ю—Стюарта (uk)
rdfs:comment	Ein Hexapod (Hexa griech.: Sechs, Pod von πούς, ποδός (poús, podós) griech.: Fuß) ist eine räumliche Bewegungs-Maschine mit sechs Antriebselementen. (de) スチュワートプラットフォーム（英語: Stewart platform）は6つのアクチュエータで1つの平面（天板）を支え、その天板の位置と傾きを制御するロボットである。天板を1カ所あたり2本のアクチュエータの、合計3カ所で支える。アクチュエータは油圧ジャッキや電気アクチュエータであることが多い。それぞれのアクチュエータはその長さを制御するが、角度は自由である。スチュワートプラットフォームの天板はx・y・zの3軸位置（平行移動）とピッチ・ロール・ヨーの3軸回転の合計6自由度を持つ。6自由度で天板を制御できるため、six-axis プラットフォーム・6-DoF プラットフォーム・6自由度パラレルリンク機構などとも呼ばれる。また、synergisticと呼ばれる場合もある（下記参照）。 (ja) Платформа Гью — Стюарта — разновидность , в которой используется октаэдральная компоновка стоек. Платформа Гью — Стюарта имеет шесть степеней свободы (три поступательных и три вращательных, как абсолютно твёрдое тело). (ru) Платформа Г'ю—Стюарта — різновид , в якому використовується октаедральна компоновка стійок. Платформа має шість — три поступальних і три обертальних, як абсолютно тверде тіло. (uk) 史都華平台是有六個稜柱接點的並聯式機械手，其稜柱接點多半是油壓或是電子式的，兩兩成對裝在平台的三個位置。稜柱接點的下方也是兩兩成對接在平台底盤的三個位罝，但配對會和平台的配對錯開。六個稜柱接點兩端共12個接點，都是用万向接头連接。史都華平台上方的物體的移動有六自由度，包括三個方向的移动，以及三個方向的轉動史都華平台有許多其他的名稱。在包括飛行模擬的許多應用中，會將史都華平台稱為運動平台（motion base）。有時也會稱為是六軸平台或六自由度平台，原因是因為其可能運動的自由度，其自由度是因為多重致動器的組合而成。史都華平台也可以稱為協同運動平台（synergistic motion platform）因為致動器在規劃上需要協同作業。因為有六個致動器，也會稱為是hexapod，這個名稱最初是公司針對機床上使用史都華平台的商标。 (zh) La plateforme de Stewart ou plateforme/positionneur hexapode est un type de robot parallèle constitué de six actionneurs linéaires. Ce type de positionneur combine l'isostatisme avec six degrés de liberté (les trois coordonnées de translation ainsi que les angles de tangage, roulement et lacet). (fr) A Stewart platform is a type of parallel manipulator that has six prismatic actuators, commonly hydraulic jacks or electric linear actuators, attached in pairs to three positions on the platform's baseplate, crossing over to three mounting points on a top plate. All 12 connections are made via universal joints. Devices placed on the top plate can be moved in the six degrees of freedom in which it is possible for a freely-suspended body to move: three linear movements x, y, z (lateral, longitudinal, and vertical), and the three rotations (pitch, roll, and yaw). (en)
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dcterms:subject	Mechanisms (engineering) Parallel robots 1954 in robotics
Wikipage page ID	360869 (xsd:integer)
Wikipage revision ID	1120530114 (xsd:integer)
Link from a Wikipage to another Wikipage	Science Museum, London Birmingham Boeing 727 Mechanisms (engineering) Hydraulic jack Vickers VC10 Vickers Vanguard Inverse kinematics Universal joint Convair 990 Coronado Robocrane Full flight simulator Animatronics List of Lockheed C-130 Hercules operators Machine tool Six degrees of freedom Sud Aviation Caravelle Parallel robots Parallel manipulator Platform supply vessel Taylor Spatial Frame Trademark Mechanical bull Actuator UK Driving simulator Linear actuator Ampelmann system Dunlop Tyres Fort Dunlop Flight simulator Fokker F27 Friendship Vickers Viscount Offshore construction Prismatic joint James S. Albus Acceleration onset cueing 1954 in robotics Hexapod-Telescope Thales Training & Simulation Institution of Mechanical Engineers National Institute of Standards and Technology Canadair CL-44 External fixation Low Impact Docking System Robot kinematics Orthopedic surgery X-Y table dbr:Eric_Gough dbr:File:%22Hexapod%22_dynamic_platform_during_the_%22Armiya_2021%22_exhibition.ogg dbr:File:AmpelmannDemonstrationVideo.webm dbr:Geodetic_Technology dbr:Klaus_Cappel
Link from a Wikipage to an external page	http://www.parallemic.org/Reviews/Review007.html https://web.archive.org/web/20101105083634/http:/www.engr.sjsu.edu/rellis/courses/ME250/ME250pres/hexapod_Shirke.ppt http://www.hexapods.net/pdf/Hexapod_In_Astronomy_Paper.pdf https://www.nist.gov/image/octahedralhexapodmachinejpg

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