Search Results 1-20 of 1382

  • On the Use of Satellite Remote Sensing to Maritime Security  [in Japanese]

    渡辺 秀明

    海幹校戦略研究 = Japan Maritime Self-Defense Force Staff College review (特別号), 136-144, 2020-04

  • Micromanipulation of amyloplasts with optical tweezers in <i>Arabidopsis</i> stems

    Abe Yoshinori , Meguriya Keisuke , Matsuzaki Takahisa , Sugiyama Teruki , Yoshikawa Hiroshi Y. , Morita Miyo Terao , Toyota Masatsugu

    … <p>Intracellular sedimentation of highly dense, starch-filled amyloplasts toward the gravity vector is likely a key initial step for gravity sensing in plants. … These complicated movements led to questions about what type of amyloplast movement triggers gravity sensing. … The optical force exerted on the amyloplasts was theoretically estimated to be up to 1 pN. …

    Plant Biotechnology 37(4), 405-415, 2020

    J-STAGE 

  • Wearable fingertip sensor for measuring contact force using the amount of finger width deformation  [in Japanese]

    NAKAGAWA Yuto , YAMAZAKI Kimitoshi

    … <p>In this paper, we introduce a novel wearable sensor that can measure contact force applied to fingertip. … That is, because the proposed sensor does not cover the palm side of fingertip, sensing can be performed without impairing the feel of the fingertip of the person wearing. … Through several experiments, it was confirmed that the fingertip force could be obtained as relative values. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2P1-M10, 2020

    J-STAGE 

  • Force sensing by using string vibration for multi-DoF forceps:-Measurement of multiple cable tensions -  [in Japanese]

    MATSUO Yohei , OMATA Toru

    … <p>In laparoscopic surgery, force sensing for surgical devices is highly required. … In this paper, we propose a force sensing method for a cable-driven multi-DoF forceps based on string vibration. … The sensing method generates vibrations of multiple cables continuously with a rotating pin and measures the multiple cable tensions from the sound signals with a microphone. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2P1-D01, 2020

    J-STAGE 

  • Development of a three-dimensional flexible electrode mechanism using a jamming transition sensor  [in Japanese]

    Yamamura Ryoutarou , Shimizu Toshihiko , Ikemoto Shuhei

    … <p>Universal Vacuum Hand (in short UVH) based on jamming transition of conductive granular material is expected as one of the universal robotic hand with tactile sensing. … The principle of UVH's tactile sensing is electrical characteristics of the conductive powder inside the gripper which changes its electrical resistance due to the change in the density of the powder by outer force. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2A2-I06, 2020

    J-STAGE 

  • Force sensing employing event-based tactile image sensor  [in Japanese]

    YAMASHITA Shogo , SHIMONOMURA Kazuhiro

    … <p>We have proposed a tactile image sensor employing event camera to realize tactile sensing with both high spatial and high temporal resolution. … In this study, we propose force measurement using the event-based tactile image sensor. … The normal force and friction force were estimated based on accumulation of event outputs. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2A1-P08, 2020

    J-STAGE 

  • Study of a robot hand searching for objects by active vibration sensors  [in Japanese]

    HAYAKAWA Yuki , NISHIDA Shin-Ichiro , NAKATANI Shintaro , SUDO Yui

    … Also measures the amount of deformation when a force is applied to an object. … The purpose of research is to study a robot hand that has the function of active vibration sensing an object from these two types of information.</p> …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 2A1-J11, 2020

    J-STAGE 

  • Automatic stiffness measurement of micro objects with micro hand system by using multiple sensor information  [in Japanese]

    KOJIMA Masaru , YOSHIKAWA Ryo , MAE Yasushi , HORII Takato , NAGAI Takayuki , SAKAI Shinji , ARAI Tatsuo

    … However, since measuring cell stiffness requires nano order manipulation and sensing, cell stiffness has not been extensively researched. … This system is combining force data and image data, and a multi-scale simultaneous observation. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P2-O03, 2020

    J-STAGE 

  • Direct force measurement of artificial muscle printed from motor proteins

    WANG Yingzhe , NISHIDA Kohei , NITTA Takahiro , HIRATSUKA Yuichi , UESUGI Kaoru , MORISHIMA Keisuke

    … This paper presents a new methodology for the direct measurement of the contraction force produced by such artificial muscles. … Artificial muscles were patterned by UV layer scanning in a semi-closed micro-chamber, and the contraction force was continuously measured by a lengthened micro-force sensing probe. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P2-N14, 2020

    J-STAGE 

  • Development of landslide sign detection using longitudinal vibration mode of elastic bar is subjected to ground soil elastic force  [in Japanese]

    KOSHIISHI Ken-taro , TAKATA Soichiro

    … <p>In this paper, the landslide sign detection sensing method is proposed. … Furthermore, active sensing method based on longitudinal vibration mode of elastic bar subjected to ground soil elastic force is proposed in order to realize the internal state estimation of soil status. … Moreover, the prototyping of active sensing system of elastic bar is conducted. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P2-B14, 2020

    J-STAGE 

  • Field study of landslide sign detection using longitudinal vibration mode of elastic bar is subjected to ground soil elastic force  [in Japanese]

    TAKATA Soichiro , KUNITOMO Yuichi , KOSHIISHI Ken-taro

    … <p>In this paper, the landslide sign detection sensing method is proposed. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P2-B16, 2020

    J-STAGE 

  • Maintenance of Object Carrying with Suction Pad based on Slip Detection  [in Japanese]

    YAMAMOTO Chihiro , ARIO Takahiro , LO Wing Sum , MIZUUCHI Ikuo

    … When the object is conveyed at high acceleration with the suction pad, sometimes a drop occuers due to the acceleration exceeding the limit of contact force. … We have verified experimentally whether the limit of contact force can be detected by sensing. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P1-H08, 2020

    J-STAGE 

  • Judgment of Success / Failure of Lid Fitting Based on Active Sensing  [in Japanese]

    AITA Masahiro , OIKAWA Masahide , KUTSUZAWA Kyo , SAKAINO Sho , TSUJI Toshiaki

    … <p>This paper proposes a judgement system of success / failure of lid fitting tasks based on active sensing. … When people closed a lid, it can be judged not only by watching but also by actually applying force and touching it. … This is considered to be confirmed on the basis of the force generated by the fitting action. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P1-B08, 2020

    J-STAGE 

  • Development of a sensor system to observe shear strain field in soft material for contact safety evaluation  [in Japanese]

    LI Fengyu , AKIYAMA Yasuhiro , YAMADA Yoji , OKAMOTO Shogo

    … <p>The measurement of internal stress and strain distribution inside the soft material, which is demanded in the field of skin contact safety, are hard to be obtained nor estimated using conventional interactive force sensors except for limited situations. … The sensing principle is modelled by relating the local shear strain of substrate and the charge generation induced by piezoelectricity in the in-plane mode. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1A1-C04, 2020

    J-STAGE 

  • Analysis of Induced Electromotive Force of Environmental Magnetic-Field Generator

    YAMADA Sotoshi , IKEDA Shinji , TASHIRO Kunihisa

    … The functions of sensing, control and communication in wireless sensor devices could be driven with minute electric power below mW level. … We proposed an environmental magnetic-field generator consisting of a solenoid coil and an prolate shell-type magnetic core to compress low-level magnetic fields below mT. The analytical equation of the electromotive force induced on the generator could be derived to characterize the performance. …

    Journal of the Japan Society of Applied Electromagnetics and Mechanics 28(2), 156-162, 2020

    J-STAGE 

  • Simultaneous Estimation of Contact Position and Tool Shape using an Unscented Particle Filter

    Kutsuzawa Kyo , Sakaino Sho , Tsuji Toshiaki

    … In addition, we verified that the proposed method can estimate these characteristics by measuring the force and torque in the robots.</p> …

    IEEJ Journal of Industry Applications 9(5), 505-514, 2020

    J-STAGE 

  • How can soft footways reduce the risk of knee problems and encourage walking?  [in Japanese]

    Suzuki Tatsuto , Zamudio Lopez Octavio , Papadosifos Nikolaos , Boampong Derrick , Tyler Nick

    … Vertical ground reaction force (vGRF) was analysed by an insole pressure sensing system (Tekscan Fscan). …

    Transactions of Japanese Society for Medical and Biological Engineering Annual58(Abstract), 477-477, 2020

    J-STAGE 

  • Visualizing and analyzing the cortex of a living cell by high-speed atomic force microscopy  [in Japanese]

    Shige H. Yoshimura

    … <p>We have established a hybrid live-cell imaging system by combining high-speed atomic force microscopy and confocal laser scanning microscopy. … By utilizing this technique, together with a stretchable cell-culture chamber made of PDMS, we tried to elucidate how these dynamics and processes are sensing and responding to external mechanical stimulation. …

    Transactions of Japanese Society for Medical and Biological Engineering Annual58(Abstract), 226-226, 2020

    J-STAGE 

  • Hydraulic Micro Device with Force Sensing for Measurement of Mechanical Characteristics

    Sasaki Tohru , Fujiwara Yudai , Tachikawa Kaoru , Terabayashi Kenji , Dohda Kuniaki

    … Therefore, we previously developed a sensing system that uses a hydraulic-driven micro mechanism to measure the force applied to an object when it is touched. … Micro force sensors are necessary for various manipulations requiring careful operation. … The proportional output in conventional force sensors, such as piezoelectric sensors, also decreases when the size of the sensor is reduced. …

    International Journal of Automation Technology 14(4), 625-632, 2020

    J-STAGE 

  • Hexagonal boron nitride auxiliary electrode for YSZ based hydrogen sensor

    ITAGAKI Yoshiteru , SARUMARU Eri , AONO Hiromichi

    … contamination in air with the value of electromotive force (ΔEMF) = 30 mV at 350 °C. … Coating the Pt sensing electrode with a powder of hexagonal boron nitride (<i>h</i>-BN) increased the EMF response, and the sensor response further increased by the milling treatment of the <i>h</i>-BN powder in ethanol. …

    Journal of the Ceramic Society of Japan 128(7), 427-430, 2020

    J-STAGE 

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