研究者詳細 - 竹本　真紹

論文 - 竹本　真紹

分割表示 216 件中 121 - 140 件目／全件表示 >>

Development of frequency-analysis equipment capable of judging propagation direction of conductive EMI 査読

Noriyuki Nosaka, Satoshi Ogasawara, Masatsugu Takemoto, Yoshitaka Iwaji, Kazutoshi Ogawa

2014 IEEE Energy Conversion Congress and Exposition (ECCE) 2014年9月

A Novel Magnet Polarity Identification Method for Initial Position Estimation for Sensorless IPMSM Drive 査読

Minglei Gu, Satoshi Ogasawara, Masatsugu Takemoto

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 9 ( 4 ) 434 - 441 2014年7月

Developments of Ferrite PM In-Wheel Motors with Axial-Gap Structure for Electric City Commuters 査読

M. Takemoto, K. Sone, S. Ogasawara, W. Hino, K. Takezaki

the EVTeC 2014 & APE Japan ( 20144075 ) 2014年5月

Sensorless IPMSM position estimation based on multi SVPWM with elimination of inverter nonlinear effects 査読

Minglei Gu, Satoshi Ogasawara, Masatsugu Takemoto

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 9 ( 2 ) 219 - 227 2014年3月

Basic Characteristic of A Two-Unit Outer Rotor Type Bearingless Motor with Consequent Pole Permanent Magnet Structure 査読

Masatsugu Takemoto

2014 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIROSHIMA 2014 - ECCE-ASIA) 1000 - 1005 2014年

Examination for the Higher Efficiency in a Ferrite Permanent Magnet 10 kW In-Wheel Axial-Gap Motor with Coreless Rotor Structure 査読

Kodai Sone, Masatsugu Takemoto, Satoshi Ogasawara, Kenichi Takezaki, Wataru Hino

2014 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 5885 - 5892 2014年

Development of a High-Frequency Space Vector Pulse Width Modulated Inverter with an Active Common-Noise Canceler 査読

Masashi Ogawa, Satoshi Ogasawara, Masatsugu Takemoto

2014 IEEE 36TH INTERNATIONAL TELECOMMUNICATIONS ENERGY CONFERENCE (INTELEC) 2014年

A Decoupling Method for Current Regulation in Bearingless Motors Using AC Suspension Current 査読

Kimio Hijikata, Nozomu Ando, Masatsugu Takemoto, Satoshi Ogasawara

2014 17TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) 2310 - 2314 2014年

Consideration of 10kW In-Wheel Type Axial-Gap Motor Using Ferrite Permanent Magnets 査読

Kodai Sone, Masatsugu Takemoto, Satoshi Ogasawara, Kenichi Takezaki, Wataru Hino

2014 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIROSHIMA 2014 - ECCE-ASIA) 3525 - 3531 2014年

Verification of a Novel 5-axis Active Control Type Bearingless Canned Motor Pump Utilizing Passive Magnetic Bearing Function for High Power 査読

Kazuya Miyamoto, Masatsugu Takemoto, Satoshi Ogasawara, Masao Hiragushi

2014 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 2454 - 2461 2014年

低ひずみと高い電圧利用率を有する高周波PWMインバータのフィードバック型デッドタイム補償法査読

小川将司, 小笠原悟司, 竹本真紹

電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 133 ( 10 ) 970 - 977 2013年10月

記述言語：日本語出版者・発行元：一般社団法人電気学会

This paper proposes a new feedback-type dead-time compensation method. The proposed method compensates the output voltage by employing two operations. First, the normal compensation matches the width of the output pulse to that of the input pulse with reduced delay time from the input pulse to the output pulse compared with the conventional method. Second, the short pulse compensation generates an output pulse after a few pulses are input so that the average value of the output signal equals that of the input signal. The voltage utilization factor of the proposed method is almost 100%, because there is no limit to the compensation and the decrease in the fundamental output caused by dead time is eliminated. The experimental results using a 100-kHz input signal show that there is no discrepancy between the output pulse width and the input pulse width. Furthermore, the THD of the compensated output current, when the output frequency is 50Hz, is eliminated, compared with that of the output current without compensation. These results show that the proposed method has low distortion and high voltage utilization factor characteristics.

DOI： 10.1541/ieejias.133.970

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リアルタイムシミュレータに適するシミュレーション法の検討査読

久保祐輝, 小笠原悟司, 竹本真紹

電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 133 ( 7 ) 714 - 720 2013年7月

記述言語：日本語出版者・発行元：一般社団法人電気学会

This paper proposes simulation methods based on the forward Euler method that are suitable for real-time simulators. However, real-time simulation using the forward Euler method has the following problems: A simulation error caused by a time step limitation and a delay in the simulated waveforms. The authors have proposed a simulation method suitable for real-time simulators, but the physical meaning of the state variables is diluted by diagonalization of the system matrix. This paper proposes a simulation method to obtain the same characteristics as the previous method, without diagonalization. Off-line and real-time simulation results demonstrate the validity and usefulness of the proposed simulation method.

DOI： 10.1541/ieejias.133.714

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5軸能動制御形ベアリングレスキャンドモータポンプにおける高出力化のための新構造を備えた試作機による特性試験査読

松崎達也, 土方規実雄, 宮本和弥, 竹本真紹, 小笠原悟司, 平櫛真男

日本AEM学会誌 21 ( 2 ) 196 - 202 2013年6月

記述言語：日本語出版者・発行元：The Japan Society of Applied Electromagnetics and Mechanics

A bearingless motor is characterized by integration of an electrical motor and a magnetic bearing. Electromagnetic force generated by the magnetic bearing function can realize magnetic suspension of a rotor shaft without mechanical contacts. Principal authors have been proposing a non-contact canned motor pump using the bearingless motor. This pump has no expendable parts, such as shaft seals, mechanical bearings and lubricant. Therefore, it can realize next advantages; 1. clean liquid sending. 2. maintenance free 3. longer operating life. 4. high chemical resistance. The previous paper has proposed novel structure which can generate high output and high suspension force compared with conventional structure. A prototype bearingless canned motor pump with the proposed high power structure is produced, and characteristics of suspension force and torque is tested in the prototype machine. This paper introduces the experimental results of the prototype machine with the proposed high power structure in detail.

DOI： 10.14243/jsaem.21.196

Operation Characteristics of Ferrite Permanent Magnet In-Wheel Axial-Gap Motor with Coreless Rotor Structure for Electric City Commuters 査読

Kodai Sone, Masatsugu Takemoto, Satoshi Ogasawara, Kenichi Takezaki, Wataru Hino

2013 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 3186 - 3193 2013年

Measurement of Resistance Characteristics of Power Cables in the Very High Frequency Band for Improving Electromagnetic Interference Analysis 査読

Yutaro Fujimori, Satoshi Ogasawara, Masatsugu Takemoto

2013 1ST INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC 2013) 903 - 908 2013年

Rotor Structure in 50 kW Spoke-Type Interior Permanent Magnet Synchronous Motor with Ferrite Permanent Magnets for Automotive Applications 査読

Wataru Kakihara, Masatsugu Takemoto, Satoshi Ogasawara

2013 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) 606 - 613 2013年

Novel PWM Scheme with Multiphase SVPWM for Reducing Current Ripple 査読

Minglei Gu, Satoshi Ogasawara, Masatsugu Takemoto

2013 1ST INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC 2013) 652 - 657 2013年

Non-Linear Common-Mode Equivalent Circuit for Inverter-Fed Motor Drive Systems 査読

Yizhanyi Tang, Satoshi Ogasawara, Masatsugu Takemoto

2013 IEEE ECCE ASIA DOWNUNDER (ECCE ASIA) 278 - 284 2013年

Ferrite-Magnet Spoke-Type IPMSM with W-Shaped Magnet Placement 査読

Kazuya Chiba, Masatsugu Takemoto, Satoshi Ogasawara, Woo Gyong Yim

39TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY (IECON 2013) 2869 - 2874 2013年

An Inductance Estimation Method for Sensorless IPMSM Drives Based on Multiphase SVPWM 査読

Minglei Gu, Satoshi Ogasawara, Masatsugu Takemoto

2013 1ST INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC 2013) 646 - 651 2013年

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