Search Results 1-20 of 136

  • A study on estimating knee joint angle using motion sensors under conditions of magnetic field variation  [in Japanese]

    SAITO Ayuko , NARA Yuto , MIYAWAKI Kazuto

    … The nine-axis motion sensor comprises a three-axis gyro sensor, a three-axis acceleration sensor, and a three-axis geomagnetic sensor. … It can estimate joint angles during exercise by correcting the drift of the three-axis gyro sensor using information obtained from the other two sensors. …

    Transactions of the JSME (in Japanese) 85(873), 19-00061-19-00061, 2019

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  • Motion Prediction Using Time-Series Data of Geomagnetic Sensor Array  [in Japanese]

    清水 綾平 , 白井 僚 , 陳 沛豪 , 橋本 昌宜

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 118(373), 55-58, 2018-12-21

  • DC Magnetic Field Based Localization with Single Anchor Coil  [in Japanese]

    白井 僚 , 陳 沛豪 , 清水 綾平 , 橋本 昌宜

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 118(373), 11-14, 2018-12-21

  • Motion Prediction Using Time-Series Data of Geomagnetic Sensor Array  [in Japanese]

    清水 綾平 , 白井 僚 , 陳 沛豪 , 橋本 昌宜

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 118(374), 55-58, 2018-12-21

  • DC Magnetic Field Based Localization with Single Anchor Coil  [in Japanese]

    白井 僚 , 陳 沛豪 , 清水 綾平 , 橋本 昌宜

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 118(374), 11-14, 2018-12-21

  • Development of Surface Current Noise Measurement System with Geomagnetic Cancel Function  [in Japanese]

    門井 涼 , 村岡 諭 , 金井 久亮 , 李 ウェン

    電気学会研究会資料. ECT = The papers of technical meeting on electronic circuits, IEE Japan 2018(10-42), 157-161, 2018-03-07

  • Parking Sensor based on geomagnetic variations of vehicle : Algorithm based on unique geomagnetic variations  [in Japanese]

    吉野 広太郎 , 渡邉 慎 , 神田 翔平

    Omron technics 50(1), 48-52, 2018

  • Local coordinate correction algorithm for measurement of body orientation by wearable inertia / geomagnetic sensor  [in Japanese]

    SEKINE Kodai , NAITO Hisashi , TANAKA Shinobu

    … In motion measurement, a measurement method using 9 axis sensor is attracting attention in that they are less expensive, convenient and less restrictive in measurement area than optical motion capture system. …

    The Proceedings of the JSME Conference on Frontiers in Bioengineering 2018.29(0), 1B24, 2018

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  • A study on estimating the knee joint angle during walking using the motion sensors (Focusing on the effect of centrifugal acceleration and tangential acceleration)  [in Japanese]

    SAITO Ayuko , MIYAWAKI Kazuto , KIZAWA Satoru , KOBAYASHI Yoshikazu

    … The nine-axis motion sensor comprises a three-axis gyro sensor, a three-axis acceleration sensor and a three-axis geomagnetic sensor. … It can estimate joint angles during exercise by correcting the drift of the three-axis gyro sensor using information obtained from the other two sensors. …

    Transactions of the JSME (in Japanese) 84(857), 17-00488-17-00488, 2018

    J-STAGE 

  • Safe walk support system at the station platform by sensor embedded intelligent white cane  [in Japanese]

    NAKAYAMA Naoya , NAKAUCHI Yasushi

    … In this paper, we propose a safe walk support system at the station platform by sensor embedded intelligent white cane. …

    Transactions of the JSME (in Japanese) 83(850), 16-00383-16-00383, 2017

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  • Estimation of Hand Position and Posture using Inertial Sensors and its Application to Robot Teaching System  [in Japanese]

    ITO Akihito , TSUJIUCHI Nobutaka , HORIO Kenji , MIYAGAWA Yuki , KITANO Keisuke

    … As a result, we also found that the accuracy of estimation of trajectory is improved largely by adding some angles to the initial estimated posture along z-axis of which initial posture is estimated by geomagnetic sensor. … As a result of the simulation, we found that the hand trajectory estimated from the motion sensor can be applied as the tip trajectory of the manipulator.</p> …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2017(0), 1P1-L09, 2017

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  • P-18 Development of a lower-back muscle activity sensor system for educational support for care workers

    YOTO Tsuyoshi Yi , KOMATSU Takeshi , MURAMATSU Shigeo , NAKAI Akira , SHIMOMURA Yoshihiro , MAENAKA Kazusuke

    … Accordingly, the purposes of the present study were (a) to produce a sensor to measure muscle activity in the lower-back and (b) to develop the education support system which shows the instructors a simultaneous display of muscle and physical activities in the lower-back and video of the operations. … The experimental sensors consist of six channel electromyogram (EMG) sensors, three-axis acceleration, angular velocity and geomagnetic sensors. …

    The Japanese Journal of Ergonomics 53(Supplement2), S736-S737, 2017

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  • Verification of Patrol Operation by Mobile Robot with Orientation Sensor  [in Japanese]

    KOBAYASHI Yoshimitsu , MAKINO Satoshi , TANAKA Yuki

    … <p>This paper describes a verification of a patrol operation using a mobile robot using an orientation sensor. … The robot has two wheels, two encoders, and an orientation sensor using geomagnetic, gyro and acceleration sensor. … Therefore we tried to modify the robot 's position by using the orientation sensor. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2016(0), 1P1-08a4, 2016

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  • Development of single switch GSN/1 coping with involuntary movements for users with severe physical disabilities  [in Japanese]

    HIRAMATSU Yuta , ENDO Masaya , HAYASHI Toyohiko , ODA Takashi , INUI Hiroaki

    <p>筋委縮性側索硬化症や脳性まひをはじめとする重度肢体不自由者は, 個人に合った支援機器を利用すれば, 生活の質を著しく改善できる. その利用には操作スイッチが用いられているが, 現在の技術レベルでは, 身体の痙攣や振戦などの不随意運動がスイッチを入れてしまうと, 機器への誤入力が起こってしまう. そこでわれわれは, 不随意運動がある重度肢体不自者でも使用できるように, 3軸地磁気セ …

    Biomechanisms 23(0), 195-204, 2016

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  • 3D posture estimation of upper limb considering clavicle using inertial sensor

    KIKUCHI Kazunori , SAGAWA Koichi

    … In this study, we proposed an advanced motion analysis method of the upper limbs including clavicle using inertial sensor. … To estimate the posture of the upper limbs, inertial sensor system which is composed of a tri-axial accelerometer, a tri-axial gyroscope and a tri-axial geomagnetic sensor is developed. …

    Mechanical Engineering Journal 3(1), 15-00541-15-00541, 2016

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  • Measurement techniques of electromagnetic waves in Geospace  [in Japanese]

    YAGITANI Satoshi , OZAKI Mitsunori , IMACHI Tomohiko

    電離圏、磁気圏などのジオスペース(地球周辺の宇宙空間)では様々な電磁波動現象(プラズマ波動)が生起している。プラズマ波動は、プラズマ粒子及び地球磁場と密接に相互作用を行い、これらの領域における構造の形成やダイナミクスに大きな役割を担っている。宇宙プラズマ媒質中において発生・伝搬するプラズマ波動の特性を詳細に知ることにより、その場だけでなく波動の伝搬経路に沿ったジオスペースの状態を調べることが可能と …

    IEICE technical report. Antennas and propagation 114(522), 17-22, 2015-03-19

  • G1500206 Correction Method of Autonomy Mobile Robot Using GPS  [in Japanese]

    KAMAGATA Ken , SHIMOI Nobuhiro , WATANABE Ayumi , ISHII Masaki

    … This paper, present a novel control method using GPS and 3-axis geomagnetic sensor for autonomous mobile robot used in outdoor environment. …

    The Proceedings of Mechanical Engineering Congress, Japan 2015(0), _G1500206--_G1500206-, 2015

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  • MoP-21 3D posture estimation of upper limb considering clavicle using inertial sensor

    KIKUCHI Kazunori , SAGAWA Koichi

    … Advanced motion analysis method of the upper limbs using inertial sensor is proposed. … To estimate the posture of the upper limbs, inertial sensor that is composed of a triaxial accelerometer, a triaxial gyroscope and a triaxial geomagnetic sensor is developed. … The position of the shoulder, elbow and wrist obtained from the inertial sensor was compared with reference obtained by optical motion capture system. …

    Proceedings of JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment : IIP/ISPS joint MIPE 2015(0), _MoP-21-1_-_MoP-21-3_, 2015

    J-STAGE 

  • Improvement of erroneous inputs elimination of single switch GSN/1 for users with severe physical disabilities  [in Japanese]

    ENDO Masaya , HAYASHI Toyohiko , ODA Takashi , TONDOKORO Naoki , YAMAGUCHI Toshimitsu , INUI Hiroaki

    重度肢体不自由者は意思伝達のためにパソコンを利用する必要がある.パソコン操作には,わずかな運動でも操作できる操作スイッチが用いられる.操作スイッチは,操作する部位に応じて多くの種類があるが,振戦などの不随意運動があると誤入力が生じる.そこで我々は,わずかな運動で操作でき,かつ誤入力を低減できる操作スイッチGSN/1を開発してきた.しかし,従来は随意運動と不随意運動の両方の教師信号の必要であるため, …

    IEICE technical report. Welfare Information technology 114(357), 51-56, 2014-12-11

  • 737 Construction of fixed point hovering system for trirotor UAV with one motor coaxial mechanism  [in Japanese]

    TAKITA Yoshihiro , KOBAYSHI Kazuhiro , OHKAWA Shinya , DATE Hisashi

    … The control system is also developed and constructed with one board type microcomputer which is equipped with 3D gyroscope, 2D inclinometer, geomagnetic compass, ESC (electric speed controller) for motor drive and tilt angle servo motor for yaw control. … In order to measure the frequency response of propulsion, a 6-axis force sensor is used under 8-inch or 10-inch propeller. …

    Dynamics and Design Conference : D & D 2014, "737-1"-"737-7", 2014-08-25

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