[특허]Driving control apparatus for induction motor

Driving control apparatus for induction motor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06G-007/60 H02P-007/36
출원번호	US-0982613 (1992-11-27)
우선권정보	JP-0339592 (1991-11-30); JP-0013069 (1992-01-28)
발명자 / 주소	Tanaka Shigeru (Tokyo JPX) Tadakuma Susumu (Atsugi JPX) Shimane Kazuo (Kamifukuoka JPX)
출원인 / 주소	Kabushiki Kaisha Toshiba (Kawasaki JPX 03)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A slip frequency type driving control apparatus includes a detector for detecting an input current and an input voltage to an induction motor, a calculating unit for calculating a rotor flux and a torque current of the induction motor, a neural network for outputting an excitation current command value and a slip frequency command value, and a vector control unit for performing vector control for the induction motor. The neural network receives a rotor flux command value, a torque current command value, a calculated rotor flux value, and a calculated torque current value, performs learning on the basis of a back-propagation law using signals output in correspondence with these inputs, and outputs an excitation current command value and a slip frequency command value. The vector control unit detects the torque current and the excitation current on the basis of the output slip frequency command value from the neural network and controls the induction motor in accordance with a deviation between the detected excitation current value and the excitation current command value and a deviation between the detected torque current value and the torque current command value.

대표청구항 ▼

A driving control apparatus for an induction motor, comprising: parameter detecting means for detecting control parameters of said induction motor; calculating means for calculating a rotor flux and a torque current of said induction motor on the basis of the control parameters; neural network means, having weight functions to provide an excitation current command value and a slip frequency command value, for receiving a rotor flux command value and a torque current command value for said induction motor and rotor flux and torque current values calculated by said calculating means and for processing the received rotor flux command value, the received torque current command value, the received rotor flux value, and the received torque current value in accordance with the weight functions, and outputting an excitation current command value and a slip frequency command value; back propagation means for processing the excitation current command value and the slip frequency command value input from said neural network means, to obtain a plurality of correction amounts corresponding to the weight functions, and for optimizing the weight functions in accordance with the correction amounts; and vector control means for detecting an actual excitation current and an actual torque current of said induction motor on the basis of the slip frequency command value output from said neural network means and the control parameters, and controlling said induction motor in accordance with a deviation between a detected actual excitation current value and the excitation current command value and a deviation between a detected actual torque current value and the torque current command value.

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Kumar Ajith Kuttannair ; Daigle Jeffrey Louis, System and method for controlling an AC traction motor without sensing motor rotation speed.
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Chen, Li; Xu, Xingyi; Reddy, Vinod; Hampo, Richard Joseph; Grand, Kerry Eden, System and method for induction motor control.
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Kliman Gerald Burt, System for removing spurious signatures in motor current signature analysis.
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Tajima Hirokazu,JPX ; Umida Hidetoshi,JPX ; Aihara Takashi,JPX, Variable speed controlling device for induction motor.
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Hideto Negoro JP, Vector controller for induction motor.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Driving control apparatus for induction motor 원문보기

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Driving control apparatus for induction motor 원문보기

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