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Gait experiment using ARGOS (Active Response Gravity Offload System) in NASA's Johnson Space Center (JSC)

Report of the visit to NASA's Johnson Space Center (JSC) on May 2, 2018, for the gait experiment using ARGOS (Active Response Gravity Offload System).
低重力環境下の歩行実験のためにNASA JSCを訪問 2018年5月2日  理工学研究科M1 荒木啓輔君
Visit to NASA’s JSC for experiments of walking under low-gravity environment (Keisuke Araki, graduate student of Science and Engineering, on May 2, 2018)
ARGOS(重力免荷能動制御システム) 実験建屋内部の様子
Inside of the ARGOS laboratory
ARGOS システム全景
Whole view of the ARGOS
ARGOS トレッドミル
ARGOS treadmill
ARGOS 体重免荷実験用ハーネスの被験者への装着状況
Examinee putting on a harness for weight offloading experiment
体重免荷実験用ハーネスを装着した被験者(背面)
Examinee wearing a harness for weight offloading experiment (back)
体重免荷実験用ハーネスを装着した被験者(側面)
Examinee wearing a harness for weight offloading experiment (side)
体重免荷実験のため被験者が吊り上げられた様子
Examinee pulled upward for weight offloading experiment
ARGOSを用いてトレッドミル上を低重力環境下で歩行している様子
Examinee walking on a treadmill under low-gravity simulated environment using ARGOS
ARGOS 実験建屋内部(ISSのロボットアームの試験機)
Inside of the ARGOS laboratory (experimental product of a robot arm of the ISS)
ARGOS 実験建屋内部(宇宙作業用のロボット( Robonaut2 ))
Inside of the ARGOS laboratory (Robonaut2, a robot for space work)
ARGOS実験建屋内部に設置されたISSの日本モジュールKIBO(実験訓練用)
KIBO, the Japanese experiment module of the ISS, situated in the ARGOS laboratory for experiment training
ARGOS 実験建屋内部に設置されたソユーズ内部の様子
Inside of the Soyuz spacecraft situated in the ARGOS laboratory
ARGOS実験建屋内部に設置された船外活動用の各種宇宙服とRobonaut2
Various types of space suits for extravehicular activity and Robonaut2, situated in the ARGOS laboratory
ARGOS実験建屋内部に設置された訓練用3次元運動シミュレーター
3D motion simulator for training, situated in the ARGOS laboratory
人体の3次元スキャニング装置(荒木君の計測風景)
3D scanning device of human body (Examinee: Keisuke Araki)
人体の3次元スキャニング装置(処理結果)
3D scanning device of human body (scan result)
宇宙服着用時の上腕の動作範囲を解析するための実験装置(理工学部・伊藤彰人准教授が装着した様子)
Experimental device to analyze motion range of upper arms when wearing a space suit (Examinee: Akihito Ito, Associate Professor of the Faculty of Science and Engineering, Doshisha University)
宇宙服着用時の上腕の動作範囲を解析するための実験装置(理工学部・伊藤彰人准教授が装着した様子)
Experimental device to analyze motion range of upper arms when wearing a space suit (Examinee: Akihito Ito, Associate Professor of the Faculty of Science and Engineering, Doshisha University)

OVERVIEW

  • The Lyndon B. Johnson Space Center in Houston, Texas, is developing the Active Response Gravity Offload System (ARGOS) to simulate reduced gravity environments, such as Lunar, Martian, and microgravity, using a large scale, full motion robotic system.
    • ARGOS supplies continuous offload of a portion of a person’s (or dynamic object’s) weight during dynamic motions such as walking, running, and jumping.
    • ARGOS follows the person’s (or object’s) motion in the horizontal and vertical directions to maintain a vertical offload force.
    • Rotational motion is accommodated by the ARGOS/payload interface mechanism.
    • A fully realized ARGOS facility will be capable of supporting surface operation studies, suit and vehicle requirements development, suit and vehicle design evaluation, and training with both suited and shirt-sleeved participants.
    • Such a facility will be capable of offloading the weight of rovers and robots for testing in simulated reduced gravity environments.

  • ARGOS technology is intended to support testing, development, and training for future missions to Near Earth Asteroids, Micro-gravity environments, the Moon, Mars, or any other destination.

  • The project philosophy has been to design, fabricate, test, and then improve.
    • The knowledge gained from this iterative approach has matured the project designs and requirements.

  • The current steel structure was built to accommodate movement in all three directions of motion (one vertical and two horizontal).
    • Dimensions are 41’ x 24’ x 25’ tall.