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A New AC Servo Motor Load Disturbance Method（一个新的交流伺服电动机负载扰动的方法）
AdvancedScienceandTechnologyLetters
Vol.121(AST 2016),pp.313-317
/10.14257/astl.2016.121.57
A New AC Servo Motor Load Disturbance Method
1 1
Xiao Qianjun and Zhang Xiaoqin ,
1 Chongqing Industry Polytechnic College, Chongqing 401120, China
Abstract. For the decline of the control accuracy of servo system due to the
disturbances of load, to design the dimensionality reduction load torque
observer, the observed value of load torque after conversion for compensation
control. Established the three- loop mathematical model of servo control
system, to elicit three- loop control parameter setting formula by the application
of optimal second order and third order model theory. Established the
simulation model of space vector control AC servo system, by simulation
experiment it is verified that three-ring parameters can provide good dynamic
performance for system after setting. After the establishment of experimental
platform, through the motor load sudden change experiment, it proved the
feasibility of the torque compensation control for improving the servo system
control precision under load disturbances.
Keywords: Servo system; Observer; Load disturbance; Parameters setting
1 Introduction
This paper adopts the theory of the optimal second order and third order model to
elicit the setting formula of system three-loop control parameters; the me
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