JPH033013U

JPH033013U -

Info

Publication number: JPH033013U
Application number: JP1989136923U
Authority: JP
Priority date: 1989-02-17
Filing date: 1989-11-27
Publication date: 1991-01-14
Anticipated expiration: 2004-11-27
Also published as: JPH087449Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例におけるコントロー
ラを示すブロツク図、第２図は同実施例の概略図
、第３図は同実施例の信号波形を示す波形図、第
４図ａ，ｂは同実施例の磁気回路を示す正面図及
び側面図、第５図は同実施例の一部分を示す回路
図、第６図は同部分のタイミングチヤート、第７
図は本考案の他の実施例の概略図、第８図は同実
施例の信号波形を示す波形図、第９図は同実施例
のコントローラを示すブロツク図、第１０図は同
実施例の一部分を示す回路図である。１１……アクチユエータ、１２……モータ、１
３……可動部、１４……磁気回路、１５〜１８…
…磁気感応素子、２３……位相弁別器・ホールド
回路、２４……アナログスイツチ、２５……加算
器、２６……比較器、２７……モータ駆動回路、
２８……スイツチ。 Fig. 1 is a block diagram showing a controller in an embodiment of the present invention, Fig. 2 is a schematic diagram of the embodiment, Fig. 3 is a waveform diagram showing signal waveforms of the embodiment, and Fig. 4 a and b are A front view and a side view showing the magnetic circuit of the same embodiment, FIG. 5 is a circuit diagram showing a part of the same embodiment, FIG. 6 is a timing chart of the same part, and FIG.
The figure is a schematic diagram of another embodiment of the present invention, FIG. 8 is a waveform diagram showing signal waveforms of the same embodiment, FIG. 9 is a block diagram showing the controller of the same embodiment, and FIG. 10 is a diagram of the same embodiment. It is a circuit diagram showing a part. 11... Actuator, 12... Motor, 1
3...Movable part, 14...Magnetic circuit, 15-18...
... Magnetic sensing element, 23 ... Phase discriminator/hold circuit, 24 ... Analog switch, 25 ... Adder, 26 ... Comparator, 27 ... Motor drive circuit,
28...Switch.

Claims

[Scope of utility model registration request]

The position of the movable part driven by the actuator is detected at a plurality of stop positions, and two or more sets of two
Multiple sets of sensors that generate phase signals, and signal conversion that converts multiple sets of two-phase signals from these multiple sets of two-phase signals into one signal having multiple levels of signals corresponding to these multiple sets of two-phase signals. a circuit, an instruction means for selectively supplying an instruction signal, a comparison circuit that compares the instruction signal from the instruction means with a signal from the signal conversion circuit and calculates the difference; An actuator control circuit comprising: drive means for driving an actuator.