Search Results 1-20 of 2234

  • Study on the Effect of GLONASS in High Precision Satellite Positioning Using Multi-GNSS  [in Japanese]

    宇野 敬太 , 佐田 達典 , 江守 央

    応用測量論文集 31, 45-54, 2020

  • Development of Piezo-Driven Actuator for Segmented Fast Steering Mirror  [in Japanese]

    NISHIDA Rina , ZHONG Jianpeng , SHINSHI Tadahiko

    … However, increasing the mirror diameter makes the fast positioning more difficult because the elastic mode of the mirror occurs at a lower frequency. …

    Journal of the Japan Society for Precision Engineering 86(11), 911-916, 2020

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  • Natural frequency reducing method of anti-vibration apparatus using an idea of variable structure system  [in Japanese]

    TAKAGI Sanga , WAKUI Shinji

    … <p>In the field of precision positioning such as semiconductor exposure apparatus, vibration from the floor greatly influences the positioning accuracy. …

    Transactions of the JSME (in Japanese) 86(890), 19-00349-19-00349, 2020

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  • Special Issue on Fluid Powered System and its Application

    Takaiwa Masahiro , Noritsugu Toshiro , Tsukagoshi Hideyuki , Ito Kazuhisa , Tanaka Yutaka

    … High-precision positioning control using the compressible fluid of pneumatic driving systems and multi-legged robots equipped with standalone hydraulic components are simple examples. …

    Journal of Robotics and Mechatronics 32(5), 853-853, 2020

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  • Survey of Questionnaire on Ultra-precision Positioning  [in Japanese]

    OIWA Takaaki , KATSUKI Masahide

    Journal of the Japan Society for Precision Engineering 86(10), 735-740, 2020

    J-STAGE 

  • Improvement of Servo-Type Jerk Sensor and Its Performance Evaluation  [in Japanese]

    MANABE Tsubasa , WAKUI Shinji

    <p>This paper proposes the servo-type jerk sensor for horizontal direction. In the previous research, the servo-type jerk sensor for vertical direction has realized and applied to the anti-vibra …

    Journal of the Japan Society for Precision Engineering 86(10), 784-792, 2020

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  • Integrating PWM amplifier with the design of mechatronic systems for energy-efficient precision motion

    Ito Shingo , Pirker Stefan , Schitter Georg

    … <p>This paper proposes an integrated mechatronic system design to realize insensitivity to the current ripple of a switching current amplifier that drives electromagnetic actuators in high-precision motion systems. … Switching current amplifiers are desirable for high energy efficiency with a concern that the resulting current ripple impairs the achievable positioning resolution. …

    IEEJ Journal of Industry Applications, 2020

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  • Friction Compensation Control to Achieve Pre-specified Transient and Steady-state Performance  [in Japanese]

    Okuyama Atsushi

    … To verify the effectiveness of the proposed control method, experiments were performed using a positioning stage. …

    IEEJ Transactions on Industry Applications 140(10), 782-790, 2020

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  • Femoral Artery Approach Using a Long Guiding Sheath in Intraoperative Angiography  [in Japanese]

    MAKIZONO Takehiro , ORITO Kimihiko , HATTORI Gohsuke , AOKI Takachika , TAKEUCHI Yasuharu , HIROHATA Masaru , MORIOKA Motohiro

    … The development of a hybrid operating room allows evaluation and treatment with increased precision. … Then, patient positioning was maintained to ensure a sterile catheter system.</p><p>Results: Twenty-three patients underwent surgeries: AVM, 11 (47.8%); …

    Surgery for Cerebral Stroke 48(2), 103-109, 2020

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  • Stability Test to Validate the GNSS-A Seafloor Positioning with Kinematic Precise Point Positioning  [in Japanese]

    Watanabe Shun-ichi , Yokota Yusuke , Ishikawa Tadashi

    … <p>For the routine Global Navigation Satellite System – Acoustic ranging combination (GNSS-A) seafloor positioning procedure in the Hydrographic and Oceanographic Department of the Japan Coast Guard, baseline analysis is used to determine the precise ship track. … In contrast to baseline analysis, kinematic precise point positioning (PPP) has advantages when providing rapid solutions of GNSS-A seafloor positioning. …

    Journal of the Geodetic Society of Japan 66(0), 1-7, 2020

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  • Topography measurement and processing system using ultraprecision 4-axis positioning mechanism driven by flexure guide and electromagnetic actuator  [in Japanese]

    Fukada Shigeo , Nakano Kyouhei , Shimokawa Keitarou

    <p>本研究は,一体化ヒンジ機構を用いたX-Y-Yawの3自由度平面位置決め機構と,平行板ばね構造によるZ軸機構から成る,ストロークが1×1×1 mmの超精密4軸位置決め機構によって,低侵襲の触針式表面形状測定と,十分な針圧下でのスクラッチ加工が可能な表面微細形状測定・加工システムの実現を目的としている.本報では,スクラッチ加工の基礎実験について述べ,加工中の位置決め性能について検討し …

    Proceedings of JSPE Semestrial Meeting 2020S(0), 78-79, 2020

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  • Development of a micro-screw and a micro-nut utilized extra fine wires (7th Report)  [in Japanese]

    Okubo Jun , Honda Satoshi

    <p>①線径が20μmの2本の超極細ワイヤを,直径0.500mmの極細ピンに密着させて巻き付け,ワイヤをピンに半田付けすることで製作したピッチ40μmのマイクロねじと,②2本の超極細ワイヤを直径0.523mmの極細ピンに密着させて巻き付けて細管に挿入し,ワイヤを細管の内側に半田付けすることで製作したピッチ40μmのマイクロナットを製作し,これらを組み合わせたマイクロ送りステージを開発し …

    Proceedings of JSPE Semestrial Meeting 2020S(0), 80-81, 2020

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  • Suppression Method for Residual Vibration in High Speed Positioning by Jerk Profile Design  [in Japanese]

    Nishijima Risa , Sato Ryuta , Shirase Keiichi

    <p>振動を抑制させない加減速指令の設計方法はこれまでにも検討されているが,位置決め時間の増大を招くことがあった.本研究では,加減速中の躍度変化のタイミングと振動振幅との関係を振幅マップとして表し,位置決め時間を増大させずに躍度が変化するタイミングを適切に設計して振動を抑制する方法を提案する.提案する方法を実際の工作機械の加減速指令に適用した結果,位置決め時の振動を効果的に抑制できたの …

    Proceedings of JSPE Semestrial Meeting 2020S(0), 72-73, 2020

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  • Verification of motion error detection of linear positioning stage using acceleration sensors  [in Japanese]

    Ito So , Kamata Taichi , Matsumoto Kimihisa , Kamiya Kazuhide

    <p>MEMS技術を応用して作製された小型加速度センサは安価でありながら,3軸方向の加速度を同時に検出可能である.本研究では加速度センサが外部参照基準を用いることなく対象物の運動検出できる点に着目し,直動ステージの運動誤差検出への応用を試みた.ステージ駆動方向に対して直交方向の運動誤差による加速度は反転法により測定したステージ運動誤差と比較され,加速度検出に基づく運動誤差計測への応用が …

    Proceedings of JSPE Semestrial Meeting 2020S(0), 570-571, 2020

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  • High precision positioning of planted seedlings with a simple RTK-GNSS kit and construction of planting map  [in Japanese]

    Matsunaga Koji , Fukatsu Eitaro , Irie Hiroki

    <p>[in Japanese]</p>

    The Japanese Forest Society Congress 131(0), 768, 2020

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  • Evaluation of multi GNSS RTK with dual band under the forest  [in Japanese]

    Takagishi Susumu , Morikawa Eiji , Takizawa Michiru , Inoki MIkio , Ozaki Hiroshi

    <p>[in Japanese]</p>

    The Japanese Forest Society Congress 131(0), 664, 2020

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  • Development of a pneumatic master–slave system comprising entirely mechanical components

    MORIGUCHI Hajime , ICHIKAWA Osamu , TAGAWA Yasutaka

    … We have developed a pneumatic master–slave system that uses a one-axis stage and a precision pressure regulator as the master and a pneumatic positioning device as the slave and performed characteristic confirmation experiments. … First, we modeled the pneumatic positioning device and compared it with the actual step response. …

    Mechanical Engineering Journal 7(3), 19-00430-19-00430, 2020

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  • Automating Accuracy Evaluation of 5-Axis Machine Tools

    Florussen Guido , Houben Koen , Spaan Henny , Spaan-Burke Theresa

    … For checking the linear machine axes, a cross shaped artefact containing 13 precision balls is introduced, named Position Inspector, enabling the determination of positioning and straightness errors of two linear axes in one setup. … The location errors and orientation errors of the axis average line (or pivot line) of both rotary axes are determined with the Rotary Inspector using the same measuring head with a single precision ball. …

    International Journal of Automation Technology 14(3), 409-416, 2020

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  • Carrier-Phase Multipath Mitigation Based on Adaptive Wavelet Packet Transform and TB Strategy

    YANG Yanxi , JIANG Jinguang , HE Meilin

    … <p>The carrier-phase multipath effect can seriously affect the accuracy of GPS-based positioning in static short baseline applications. … Taking advantage of adaptive thresholding wavelet packet transform, we enhance the precision of the correction model and the efficiency of the extraction method. … Furthermore, after applying the proposed AWTB method, experiments show that the 3D positioning precision is improved by about 38.51% compared with the original results. …

    IEICE Transactions on Communications E103.B(5), 591-599, 2020

    J-STAGE 

  • Model-based Control Techniques for Large-Scale High-Precision Stage  [in Japanese]

    Ohnishi Wataru , Fujimoto Hiroshi , Sakata Koichi

    … <p>High-precision positioning stages are an important apparatus in the semiconductor and flat panel industries. … This paper reviews the model-based control techniques utilized in the feedback and feedforward control of the positioning control system. …

    IEEJ Transactions on Industry Applications 140(4), 272-280, 2020

    J-STAGE 

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