JPS5992599U - Motor control circuit - Google Patents
Motor control circuitInfo
- Publication number
- JPS5992599U JPS5992599U JP1982186855U JP18685582U JPS5992599U JP S5992599 U JPS5992599 U JP S5992599U JP 1982186855 U JP1982186855 U JP 1982186855U JP 18685582 U JP18685582 U JP 18685582U JP S5992599 U JPS5992599 U JP S5992599U
- Authority
- JP
- Japan
- Prior art keywords
- output
- control circuit
- sawtooth wave
- motor
- motor control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Electric Motors In General (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来回路の一例の構成を示すブロック図、第２
図は回倒における位相比較器の動作波形図、第３図は本
考案の一実施例における全体回路構成を示すブロック図
、第４図および第５図は同実施例の要部回路を詳細に示
すブロック図、第６図〜第８図は同実施例における位相
比較器の動作を詳細に説明するための波形図、第９図は
同実施例の全体動斥を説明するための波形図である。
１・・・・・・直流モータ、２・・・・・・パルスエン
コーダ、４・・・・・・位相比較器、５・・・・・・水
晶発振器、６・・・・・・分周器、１１・・・・・・電
力増幅部、１２・・・・・・ＰＷＭ変調部、１３・・・
・・・Ｆ／Ｖ変換器、１４・・・・・・鋸歯状波発生器
、１５・・・・・・加算器、１６・・・・・・コンパレ
ータ、１７・・・・・・直流電源、１８・・・・・・立
上り微分回路、１９・・・・・・立下り微分回路、２０
・・・・・・ＲＳフリップフロップ。
正常ｎ期１ ｆ （ＬＱ−
Ｌ ｆｐ ｌFigure 1 is a block diagram showing the configuration of an example of a conventional circuit;
The figure is an operational waveform diagram of the phase comparator during rotation, Figure 3 is a block diagram showing the overall circuit configuration in an embodiment of the present invention, and Figures 4 and 5 show the main circuitry of the embodiment in detail. The block diagram shown in FIGS. 6 to 8 is a waveform diagram for explaining in detail the operation of the phase comparator in the same embodiment, and FIG. 9 is a waveform diagram for explaining the overall movement of the same embodiment. be. 1: DC motor, 2: Pulse encoder, 4: Phase comparator, 5: Crystal oscillator, 6: Frequency division equipment, 11...power amplification section, 12...PWM modulation section, 13...
... F/V converter, 14 ... Sawtooth wave generator, 15 ... Adder, 16 ... Comparator, 17 ... DC power supply , 18... Rising differential circuit, 19... Falling differential circuit, 20
...RS flip-flop. Normal n phase 1 f (LQ- L fp l
Claims (1)
出力を受は基準周波数信号との位相差に応じたパルス幅
のパルス列を出力する位相比較器と、この位相比較器の
出力を鋸歯状波に変換する鋸歯状波発生器と、上記パル
スエンコーダの出力を周波数に応じたレベルの直流信号
に変換する周波数−レベル変換器と、この周波数−レベ
ル変換器の出力と上記鋸歯状波発生器の出力とを加算的
に合成するとともに基準レベルと比較して上記制御対象
モータに供給するパルス幅変調波を得る合成比較手段と
を具備したことを特徴とするモータ制御回路。A phase comparator receives the output of the pulse encoder for detecting the rotational speed of the motor to be controlled and outputs a pulse train with a pulse width corresponding to the phase difference with the reference frequency signal, and converts the output of this phase comparator into a sawtooth wave. a sawtooth wave generator that converts the output of the pulse encoder into a DC signal with a level corresponding to the frequency, and an output of the frequency-level converter and an output of the sawtooth wave generator 1. A motor control circuit comprising a synthesis and comparison means for additively synthesizing the signals and comparing them with a reference level to obtain a pulse width modulated wave to be supplied to the motor to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982186855U JPS5992599U (en) | 1982-12-10 | 1982-12-10 | Motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982186855U JPS5992599U (en) | 1982-12-10 | 1982-12-10 | Motor control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5992599U true JPS5992599U (en) | 1984-06-23 |
| JPS644314Y2 JPS644314Y2 (en) | 1989-02-03 |
Family
ID=30403488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982186855U Granted JPS5992599U (en) | 1982-12-10 | 1982-12-10 | Motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5992599U (en) |
-
1982
- 1982-12-10 JP JP1982186855U patent/JPS5992599U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644314Y2 (en) | 1989-02-03 |
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