JPH0383493U

JPH0383493U -

Info

Publication number: JPH0383493U
Application number: JP1989143873U
Authority: JP
Priority date: 1989-12-13
Filing date: 1989-12-13
Publication date: 1991-08-26

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例であるサーボ制御機
構を概略的に示すブロツク図であり、第２図はそ
のサーボ制御機構のゲイン切換器を示す回路図で
あり、第３図は同サーボ制御機構と従来のサーボ
制御機構との機械系の実際の制御状態を比較して
説明するための軌跡図である。第４図及び第５図
は、それぞれ、従来のサーボ制御機構による機械
系の実際の制御状態を説明するための軌跡図であ
る。１０……ＣＰＵ、１２……サーボモータ、１４
……機械系、１６……偏差カウンタ、１８……パ
ルスジエネレータ、２０……Ｄ／Ａ変換器、２２
……ゲイン切換器、２４……アナログ乗算器、２
８……可変利得増幅器、３０……アナログスイツ
チ、３４……偏差増幅器、３６……タコジエネレ
ータ、３９……サーボ増幅器。 FIG. 1 is a block diagram schematically showing a servo control mechanism that is an embodiment of the present invention, FIG. 2 is a circuit diagram showing a gain switch of the servo control mechanism, and FIG. FIG. 4 is a trajectory diagram for comparing and explaining the actual control state of the mechanical system of a control mechanism and a conventional servo control mechanism. FIGS. 4 and 5 are trajectory diagrams for explaining the actual control state of a mechanical system by a conventional servo control mechanism, respectively. 10...CPU, 12...Servo motor, 14
... Mechanical system, 16 ... Deviation counter, 18 ... Pulse generator, 20 ... D/A converter, 22
... Gain switcher, 24 ... Analog multiplier, 2
8... variable gain amplifier, 30... analog switch, 34... deviation amplifier, 36... tachometer generator, 39... servo amplifier.

Claims

[Scope of Claim for Utility Model Registration] Rotation command means for outputting a number of rotation command pulses corresponding to a target rotation amount of a servo motor, the number of input rotation command pulses from the rotation command means, and the rotation amount of the servo motor. a position control unit that compares the number of detected pulses and outputs a position deviation signal according to the difference; and a position control unit that compares the position deviation signal from the position control unit and the rotational speed detection signal of the servo motor. , and a speed control unit that outputs a speed deviation signal according to the difference therebetween, and a servo control mechanism configured to rotationally drive the servo motor using a power amplified signal of the speed deviation signal output from the speed control unit. In addition to providing an amplification degree switching means capable of selectively amplifying the position deviation signal supplied from the position control section to the speed control section at a plurality of amplification degrees, the number of rotation command pulses output from the rotation command means is A servo control mechanism characterized in that it is provided with amplification degree selection means for switching and selecting the amplification degree of the amplification degree switching means in connection with the amplification degree switching means.