Search Results 1-20 of 2535

  • Dynamic Control of Flatness and Elongation of the Strip in a Skin Pass Mill  [in Japanese]

    Ogasahara Tomoyoshi , Kitamura Takuya , Aoe Shin-ichiro , Tateno Jun-ichi , Asano Kazuya

    … In the conventional feedback control, the target values of the flatness and the elongation are fixed. … However, the elongation control to the fixed target value is often insufficient to achieve the strip flatness when the work roll deflection is caused by the rolling force manipulation of the elongation control. …

    Tetsu-to-Hagane 105(5), 512-521, 2019

    J-STAGE

  • Evaluation of personal balance characteristics based on a model during standing on a sway board  [in Japanese]

    SONOBE Motomichi , INOUE Yoshio , SHIBATA Kyoko

    … One is a motion capture system and the other is force plates mounted on the support surface. … The balance control model was defined as a multiple feedback loop system which is composed of the delayed state feedback control as an inner-loop and target posture definition according to the velocity of the support surface as an outer-loop. … As a result, we found that inner-loop characteristics were uniform when the posture angle was estimated from force plates. …

    Transactions of the JSME (in Japanese) 85(872), 18-00412-18-00412, 2019

    J-STAGE

  • Consideration of Multi-Degree of Freedom Vibration on Large-Sized Gantry Type Linear Motor Slider

    Ojiro Tetsuya , Tachibana Toshiyuki , Honda Hideki , Hamamatsu Hiroshi , Tsuruta Kazuhiro , Hanamoto Tsuyoshi

    … This type of linear motor slider develops a unique mechanical distortion, generating a repulsive force between the two axes that can raise the motor output forces higher than their rated limit. … A previous study proposed a method to suppress the repulsive force. … However, as feedback gains are set high, force references oscillate and the control system becomes unstable. …

    Journal of Robotics and Mechatronics 31(2), 240-250, 2019

    J-STAGE

  • The influence of motor imagery and practice time on the accuracy and excitability of spinal anterior horn cells  [in Japanese]

    Fukumoto Yuki , Suzuki Toshiaki , Iwatsuki Hiroyasu

    <p>運動練習後の運動イメージが運動の正確さと脊髄前角細胞の興奮性の関連性にどう影響するか検討した。健常者44名 (平均年齢20.8歳) を無作為に10秒間, 30秒間, 1分間, 2分間の練習時間群に振り分け比較した。安静のF波測定後, ピンチ力を50%MVCに調節する練習を与えた。練習後, ピンチ課題を与え, 規定値と実測値の誤差を算出した。運動イメージにてF波測定後, 再度ピンチ …

    Japanese Journal of Clinical Neurophysiology 47(2), 82-92, 2019

    J-STAGE

  • Evaluation of personal balance characteristics based on a model during standing on a sway board  [in Japanese]

    SONOBE Motomichi , INOUE Yoshio , SHIBATA Kyoko

    … One is a motion capture system and the other is force plates mounted on the support surface. … The balance control model was defined as a multiple feedback loop system which is composed of the delayed state feedback control as an inner-loop and target posture definition according to the velocity of the support surface as an outer-loop. … As a result, we found that inner-loop characteristics were uniform when the posture angle was estimated from force plates. …

    Transactions of the JSME (in Japanese), 2019

    J-STAGE

  • A Control Strategy for Electro-hydrostatic Actuator Considering Static Friction, Resonance, and Oil Leakage

    Sakaino Sho , Sakuma Tomoki , Tsuji Toshiaki

    … First, static friction is suppressed by a feedback modulator (FM). … Input torque is quantized to exceed the maximum static friction force, and quantization errors are suppressed by the FM. …

    IEEJ Journal of Industry Applications 8(2), 279-286, 2019

    J-STAGE

  • CONSTRUCTION OF SEISMIC RESPONSE ANALYTICAL MODEL OF HUMAN BODY FOR PREDICTING HUMAN DAMAGE DURING EARTHQUAKE:Simulation analysis based on shaking table test and cart-type inverted pendulum model  [in Japanese]

    HIDA Takenori , OHNO Atsushi , ITOI Tatsuya , TAKADA Tsuyoshi

    … The center of pressure (CoP) on the floor of the human subject was measured by a force plate during the excitation. … When CoG deviates from BoS, the human subject controlled his posture by widening BoS through the stepping strategy.<br> Next, the seismic response analytical model in the forward-backward direction (sagittal plane direction) of a human was constructed based on the cart-type single-link inverted pendulum model with state feedback controller. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 84(755), 17-27, 2019

    J-STAGE

  • Machining Error Correction Based on Predicted Machining Error Caused by Elastic Deflection of Tool System  [in Japanese]

    NISHIDA Isamu , SHIRASE Keiichi

    … This method is based on an instantaneous force with static deflection feedback model which is classified to consider the milling process representation. … The uncut chip thickness, which is required to predict cutting force, is calculated under the consideration of the elastic deflection of the tool system, which corresponds to tool and tool holder deflections caused by cutting force. …

    Journal of the Japan Society for Precision Engineering 85(1), 91-97, 2019

    J-STAGE

  • Basic Characteristic Analysis of Variable Elastic Cushion with MR Fluid and Bubble Wrap Packaging  [in Japanese]

    出縄 将英 , 五十嵐 洋

    電気学会研究会資料. IIC 2018(16-29), 5-10, 2018-11-30

  • Strain-triggered mechanical feedback in self-organizing optic-cup morphogenesis

    Okuda S. , Takata N. , Hasegawa Y. , Kawada M. , Inoue Y. , Adachi T. , Sasai Y. , Eiraku M.

    … The complementary approach enabled quantitative prediction of morphogenesis and its corresponding verification and elucidated that the macroscopic 3D tissue deformation is fed back to individual cellular force generations via mechanosensing. … We hereby conclude that mechanical force plays a key role as a feedback regulator to establish the robustness of organogenesis. …

    Science Advances 4(11), 2018-11

    IR

  • Development of chest mounted wearable haptic devices  [in Japanese]

    本多 健二 , 佐藤 裕仁 , 赤羽 克仁 , 佐藤 誠

    電気学会研究会資料. PI = The papers of Technical Meeting on "Perception Information", IEE Japan, 2018(40-48), 35-40, 2018-06-02

  • Development of electronic airdrum stick with force feedback  [in Japanese]

    井上 雄輝

    … Simultaneously with the sound, the actuator is activated to generate force feedback, thereby realizing a more realistic performance experience. …

    法政大学大学院紀要. デザイン工学研究科編 = 法政大学大学院紀要. デザイン工学研究科編 7, 2018-03-24

    IR

  • VIBRATION CONTROL OF HIGH-RISE BUILDING USING ACTIVE BRACES AND THEIR OPTIMAL PLACEMENT  [in Japanese]

    UEDA Minori , MIURA Nanako , SONE Akira

    … Thus, the values of the feedback gain matrix on Linear Quadratic Regulator (LQR) method are compared. … It appears that the feedback gain matrix has large gains where they are related to displacement. … In addition, equation of control force shows each layer's story drift has a great influence on deciding control forces.<br> Secondary, setting methods named MSD and NOD are proposed and their effectiveness is verified. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (745), 353-362, 2018-03

    J-STAGE AIJ

  • Finger-attachment device for the feedback of gripping and pulling force in a manipulating system for brain tumor resection

    Chinbe Hiroyuki , Yoneyama Takeshi , Watanabe Tetsuyou , Miyashita Katsuyoshi , Nakada Mitsutoshi

    … Purpose: Development and evaluation of an effective attachment device for a bilateral brain tumor resection robotic surgery system based on the sensory performance of the human index finger in order to precisely detect gripping- and pulling-force feedback. … Methods: First, a basic test was conducted to investigate the performance of the human index finger in the gripping- and pulling-force feedback system. …

    International Journal of Computer Assisted Radiology and Surgery 13(1), 3-12, 2018-01-01

    IR DOI

  • Subjective evaluation of a wearable 4 DOF force feedback device in virtual reality space  [in Japanese]

    小野塚 祐樹 , 大場 実 , 奥井 学 , 山田 泰之 , 中村 太郎

    フルードパワーシステム講演会講演論文集 = The proceedings Conference of Japan Fluid Power System Society, 82-84, 2018

  • Realization of autonomously cooperation between actuators used pneumatic artificial muscles in antagonistic arrangement  [in Japanese]

    後藤 貴滉 , 吉田 匠吾 , 中西 大輔 , 浪花 啓右 , 杉本 靖博 , 大須賀 公一

    フルードパワーシステム講演会講演論文集 = The proceedings Conference of Japan Fluid Power System Society, 67-69, 2018

  • A Nano-scale Cutting Method by Vibration  [in Japanese]

    RUI YANG , OGURA Ichiro , YABUNO Hiroshi , SAWADA Hiroyuki , ASHIDA Kiwamu

    … We optimize the microcantilever in shape so that the excitation force could be efficiently transferred to the tip and load a diamond ground by FIB (Focused Ion Beam) on it. … In a series of machining experiment, we employ two kinds of excitation methods based on sinusoidal excitation and feedback control. …

    The Proceedings of Ibaraki District Conference 2018.26(0), 708, 2018

    J-STAGE

  • Study on identification of human standing behaviors  [in Japanese]

    Tomiyama Ayumi , Uesaka Yuuki , KONDO Ryou , KITAYAMA Fumiya , OKADA Yohji

    … For this purpose, standing motion of a healthy subject is measured by a motion capture system and a force plate. … Then the feedback control law is estimated from the measured data. …

    The Proceedings of Ibaraki District Conference 2018.26(0), 502, 2018

    J-STAGE

  • Discrete-time Delayed Feedback Control of Flow around NACA0015 Airfoil with PSJA  [in Japanese]

    OKAYA Tatsuya , OGAWARA Kakuji , SHINGIN Hidenori , NOMOTO Masaaki

    … This paper shows change of the lift force by the DFC in 5m/s main flow velocity and 15deg angle of attack. … The experimental results show that the DFC result with a delay time of 4ms recovers lift force compared to without control of PSJA. … In the both modes 4msec delay time, lift force is maintained without depending on the threshold at 1 second driving start. … At the threshold 0.01 of the reverse mode, lift force is kept than the other threshold.</p> …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), S0520305, 2018

    J-STAGE

  • Analytical study on squeal noise generated on curved sections for railway lines with a numerical model  [in Japanese]

    SUEKI Takeshi , KAWAGUCHI Tsugutoshi , KITAGAWA Toshiki , YAMADA Shinji

    … The vibration related to squeal noise is occurred due to feedback between the wheel vibration and the forces. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), G1001006, 2018

    J-STAGE

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