Servo motor control method and device

A technology of servo motor and control method, applied in adaptive control, general control system, control/regulation system, etc., can solve the problems of reduced robustness and stability, no suppression of external strong interference, and impact on system control performance. , to improve the robustness and stability, shorten the adjustment time, and improve the control performance.
CN108931918AActive Publication Date: 2018-12-04NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Publication Date
2018-12-04

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Abstract

The invention provides a servo motor control method and device. The servo motor control method comprises: acquiring historical data of a running speed of a servo motor; carrying out offline identification on the historical data based on a particle swarm algorithm and constructing an object model of a servo drive system; designing an discrete time differential flat controller according to the object model to obtain a differential flat feedback control law; optimizing control parameters of the feedback control law by using a chaotic dynamic fireworks algorithm so as to obtain an optimized feedback control law; and according to the optimized feedback control law, controlling the running speed of the servo motor. Therefore, the rotating speed control of the servo motor is realized; the operation becomes simple; the system can quickly return to the stable state when being affected by the strong external disturbance; the adjustment time is reduced and the robustness and stability of the whole system are improved; and thus the control performance of the entire system is improved. The servo motor control method and device have the great significance in the actual industrial production.
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Description

technical field

[0001] The invention relates to the field of industrial automation control, in particular to a servo motor control method and device. Background technique

[0002] Active Disturbance Rejection Control (ADRC for short) not only inherits the advantages of traditional PID control, but also integrates modern control theory. After nearly 20 years of development and testing, it has been widely used in practical engineering.

[0003] As a high-end product of transmission technology in the field of motion control, the servo drive system has powerful functions, small size and outstanding control effect, and is widely used in industrial production. In practical industrial applications, due to the simple and easy-to-operate characteristics of the PID controller, most of the servo motor control adopts the PID control algorithm. However, when the system parameters change with time or the system is subject to a large external disturbance, The traditional PID control algor...

Claims

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