Double-ring dead-beat prediction control method for permanent magnet synchronous motor based on disturbance estimation compensation

A permanent magnet synchronous motor, predictive control technology, applied in the direction of motor generator control, motor control, electronic commutation motor control, etc., can solve the problems that the speed loop control performance cannot be weakened due to load changes, and the motor parameter error cannot be eliminated.
CN110165951AActive Publication Date: 2019-08-23杭州领芯微电子有限公司
5 Cites 35 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
杭州领芯微电子有限公司
Publication Date
2019-08-23

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A double-ring dead-beat prediction control method for a permanent magnet synchronous motor based on disturbance estimation compensation comprises the following steps: establishing a discrete current prediction model of the permanent magnet synchronous motor, and designing a dead-beat current prediction controller; designing a sliding mode disturbance observer to estimate stator current and parameter disturbance; designing a dead-beat speed prediction controller; and designing a sliding mode disturbance observer to observe and compensate the load torque. According to the invention, under the condition that motor model parameters are not matched, the method achieve the accurate current control; under the condition that the dead-beat speed prediction controller is sensitive to load change, the method achieves the improvement of the dynamic and static performance and the anti-disturbance performance of the speed outer ring through load torque observation and compensation.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of permanent magnet synchronous motor control, and particularly relates to a double-loop deadbeat prediction control method of a permanent magnet synchronous motor based on disturbance estimation compensation. Background technique

[0002] Permanent magnet synchronous motors are widely used in servo systems, electric vehicles, and industrial automation due to their high power density. In the actual permanent magnet synchronous motor drive system, the control performance of the inner current loop and the outer speed loop is the key to determine the performance of the system. Therefore, in order to achieve high dynamic performance and high steady-state precision control of current and speed, experts and scholars have proposed many control strategies for the design of current loop and speed loop, including PID control, lead-lag control, sliding mode control and predictive control. Wait.

[0003] Among the abo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More