JPS60181195U

JPS60181195U - Digital servo control circuit

Info

Publication number: JPS60181195U
Application number: JP1984068117U
Authority: JP
Inventors: 田村　幸男
Original assignee: 日本電気株式会社
Priority date: 1984-05-10
Filing date: 1984-05-10
Publication date: 1985-12-02

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

[Brief explanation of the drawing]

第１図は従来のディジタルサーボ制御回路のブロック図
、第２図ａ〜ｅは第１図の回路の動作を示す各部の信号
波形図、第３図は本考案の一実施例のブロック図、第４
図ａ　−ｆは第３図の回路の動作を示す各部の信号波形
図である。図において１・・・・・・パルス発生回路、
２・・・・・・モータ、３・・・・・・エンコーダ、４
・・・・・・パルス化回路、５・・・・・・分周回路、
６・・・・・・位相比較回路、７・・・・・・アンプ、
８・・・・・・パワーアンプ、９・・・・・・パルス発
生回路、１１・・・・・・積分回路、１２・・・・・・
アンプである。FIG. 1 is a block diagram of a conventional digital servo control circuit, FIGS. 2 a to e are signal waveform diagrams of various parts showing the operation of the circuit in FIG. 1, and FIG. 3 is a block diagram of an embodiment of the present invention. Fourth
Figures a to f are signal waveform diagrams of various parts showing the operation of the circuit of Figure 3. In the figure, 1...pulse generation circuit,
2...Motor, 3...Encoder, 4
...Pulsing circuit, 5... Frequency dividing circuit,
6... Phase comparator circuit, 7... Amplifier,
8...Power amplifier, 9...Pulse generation circuit, 11...Integrator circuit, 12...
It's an amplifier.

Claims

[Scope of utility model registration request]

A pulse generation circuit that outputs pulses with a constant pulse repetition period, a motor, an encoder that generates a signal with a frequency proportional to the rotational speed of the motor, and a pulse generation circuit that converts the output signal of the encoder into pulses. A frequency dividing circuit capable of frequency dividing the output pulse of this pulse generator circuit and changing its frequency division ratio; and a frequency dividing circuit capable of dividing the frequency of the output pulse of the pulse generator circuit, and calculating the phase difference between the output pulse of the frequency dividing circuit and the output pulse of the pulse generating circuit to generate an error signal. A digital servo control circuit comprising: a phase comparator circuit that outputs a phase comparison circuit; an amplifier circuit that automatically adjusts a gain according to the pulse width of the error signal pulse; and a power amplifier that drives the motor using the output of the amplifier circuit. .