Servo system position controller setting method considering time lag

Servo system position controller setting method considering time lag

The invention provides a servo system position controller setting method considering a time lag. A position controlled object gain and a retardation coefficient are calculated according to a speed ring gain, a speed ring time constant, a total transmission ratio of a motor to an execution mechanism...

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Hauptverfasser: LI CHANGHONG, YANG BO, BIAN DANGWEI, HAN YAOPENG
Format: Patent
Sprache:eng
Schlagworte:
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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creator LI CHANGHONG
YANG BO
BIAN DANGWEI
HAN YAOPENG
description The invention provides a servo system position controller setting method considering a time lag. A position controlled object gain and a retardation coefficient are calculated according to a speed ring gain, a speed ring time constant, a total transmission ratio of a motor to an execution mechanism end, a position feedback coefficient, and servo system delay link delay time of a servo system; a cut-off frequency of a servo system, an integral time constant of a position PI controller, a proportional gain of the position PI controller, and a position error are calculated successively; and then an output of the position PI controller is obtained finally. The invention provides a parameter setting and calculating method of a position controller having a delay link of a servo system; the influence on delay time can be eliminated; and robustness of the servo system is improved.
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subjects CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
title Servo system position controller setting method considering time lag
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