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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Rotor position estimation of a permanent magnet synchronous-machine for high performance drive

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02P-001/04   
미국특허분류(USC) 364/494 ; 364/483 ; 318/721
출원번호 US-0638691 (1991-01-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 47  인용 특허 : 0
초록

The invention comprises an apparatus and a method for controlling permanent magnet AC machines. Stator voltages and stator currents are sensed to produce signals which are utilized by a digital circuit to calculate control signals for the machine.

대표
청구항
▼

A controller for a permanent magnet synchronous machine having at least three stator windings, comprising in combination: a) first means for determining the rotational state of a rotor of said machine to generate a zero rotation state signal; b) second means responsive to said zero rotation state signal to selectively apply electrical signals to said rotor such that said rotor remains stationary and for measuring the voltage applied to and the currents flowing in said stator windings to produce first voltage and first current signals; c) third means sele...

이 특허를 인용한 특허 피인용횟수: 47

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