KR930015285A

KR930015285A - Motor control device and method

Info

Publication number: KR930015285A
Application number: KR1019910025457A
Authority: KR
Inventors: 김정훈
Original assignee: 강진구; 삼성전자 주식회사
Priority date: 1991-12-30
Filing date: 1991-12-30
Publication date: 1993-07-24
Also published as: KR940005139B1

Abstract

내용 없음No content

Description

Motor control device and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래의 모터제어장치의 구성블럭도.1 is a block diagram of a conventional motor control apparatus.

제2도는 제1도에 따른 모터제어장치에 의한 속도제어를 위한 동작 타이밍도.2 is an operation timing diagram for speed control by the motor control apparatus according to FIG.

제3도는 제1도에 따른 모터제어장치에 의한 위상제어를 위한 동작 타이밍도.3 is an operation timing diagram for phase control by the motor control apparatus according to FIG.

제4도는 본 발명에 의한 모터제어장치의 구성블럭도.4 is a block diagram of a motor control apparatus according to the present invention.

제5도는 제4도에 채용된 마이콤에서 수행되는 모터의 속도 및 위상제어를 위한 흐름도.5 is a flow chart for controlling the speed and phase of a motor performed in the microcomputer employed in FIG.

제6도는 제4도에 채용된 마이콤내부에서 소프트웨어적으로 처리되는 속도제어를 위한 타이밍도.FIG. 6 is a timing diagram for speed control processed by software in the microcomputer employed in FIG.

제7도는 제4도에 채용된 마이콤내부에서 소프트웨어적으로 처리되는 위상제어를 위한 타이밍도.FIG. 7 is a timing diagram for phase control processed by software in the microcomputer employed in FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10, 20 : 파형정형부 30 : 마이콤10, 20: waveform shaping section 30: micom

40 : D/A변환부 50 : 모터구동부40: D / A converter 50: motor drive

M : 모터 AMP1, AMP2 : 증폭기M: Motor AMP1, AMP2: Amplifier

Claims

The first sensing means for sensing the rotational speed of the motor, the second sensing means for sensing the position of the motor, and the period of the signal detected from the first sensing means are counted, and the count value is compared with the reference signal. The difference value is output as a speed control signal, and counts the phase difference between the signal detected from the second sensing means and the reference signal, and the count value is output as a phase control signal, and the speed of the digital signal type output from the micom. Or D / A converting means for converting the position control signal into a DC voltage signal, and motor driving means for controlling the motor by a DC voltage output from the D / A converting means.

2. The apparatus of claim 1, wherein the microcomputer comprises a timer counter for counting PG and FG signals output from the first or second sensing means, a programmable counter for counting bias values of preset reference FG and PG signals, and the timer. A counter is operated when the counter counts a PG signal and is operated by a reference counter for counting a reference signal, a plurality of latches for latching an output of the timer counter, a programmable counter, a reference counter, and a preprogrammed equation from the plurality of latches. Motor control device comprising a central processing unit for calculating.

A motor control method of a servo device having a first sensing means for sensing a rotational speed of a motor and a second sensing means for sensing a position of a motor, the first method for introducing an FG signal generated from the first sensing means. A speed detection step of counting the period of the currently input FG signal by counting during the rising edge period of the next FG signal at the rising edge of the FG signal introduced from the first signal input step; Compared with the bias period of the predetermined reference signal, the resultant value is output as the level signal in the ground state to reduce the speed, and in the case of greater than the bias period and larger than the threshold range, the level signal in the excited state is output. Increases the speed, and if it is larger than the bias period and is within the threshold range, the bias period of the current rotation period and A speed control step of controlling the speed of the motor with a signal corresponding to the difference, a second signal input step of introducing a PG signal generated from the second detection means, and a second detection means in the second signal input step; A phase difference detection step of counting the input PG signal to detect the position of the reference signal corresponding to the moment when the PG signal becomes the falling edge, and the phase difference detected in the phase difference detection step is greater than the bias period in comparison with the predetermined bias period. If it is small, it is a signal of the base level, and it is a signal of the excitation level if it is larger than the bias period and it is out of the threshold range. And a phase control step of controlling the motor.

4. The method of claim 3, wherein the speed control step includes a predetermined number of times so that the motor can be controlled by a difference value between a current rotation period and a bias period of a set reference signal within a threshold range when a result value of the speed detection step is larger than a bias period. And repeating the second signal input step.

4. The method of claim 3, wherein the phase control step repeats a predetermined number of times such that the result value of the phase difference detection step is greater than the bias period and the motor is controlled by a difference value between the current phase difference and the preset bias period within a threshold range. And feeding back the first signal input step.

※ Note: The disclosure is based on the initial application.