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Novel fuzzy and deadbeat algorithm vector control system of permanent magnet synchronous motor

A technology of permanent magnet synchronous motor and deadbeat algorithm, which is applied in vector control system, control system, motor generator control, etc., can solve the problems that PID controller cannot be adjusted online, PID parameters are difficult to determine, and control performance declines. Achieve the effect of excellent dynamic and static performance, good anti-interference ability and good application prospect

Inactive Publication Date: 2014-07-02
杨飏
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Problems solved by technology

However, the traditional PID parameters are difficult to determine, and the dynamic performance is poor
In the operation of permanent magnet synchronous motor, due to the change of parameters, the mathematical model changes, and the traditional PID controller cannot be adjusted online, resulting in the decline of control performance

Method used

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  • Novel fuzzy and deadbeat algorithm vector control system of permanent magnet synchronous motor
  • Novel fuzzy and deadbeat algorithm vector control system of permanent magnet synchronous motor
  • Novel fuzzy and deadbeat algorithm vector control system of permanent magnet synchronous motor

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Embodiment Construction

[0021] The technical solutions of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the embodiments.

[0022] New fuzzy deadbeat algorithm vector control system for permanent magnet synchronous motor, see figure 1 and figure 2 , including: fuzzy PI controller (101), deadbeat current prediction control module (102), space pulse width vector modulation module (SVPWM) (103), three-phase two-level inverter (104), permanent magnet synchronous Motor model (105), 3s / 2r variation module (106).

[0023] One end of the fuzzy PI controller (101) is connected to the speed command value ω * It is connected with the output end of the permanent magnet synchronous motor model (105), and the other end is connected with one end of the deadbeat current prediction control module (102).

[0024] One end of the fuzzy PI controller (101) is connected to the speed command value ω * It is connected to the output end of the...

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Abstract

The invention provides a novel fuzzy and deadbeat algorithm vector control system of a permanent magnet synchronous motor. The novel fuzzy and deadbeat algorithm vector control system comprises a fuzzy PI controller, a deadbeat current predictive control module, a space pulse width vector modulation module, a three-phase two-level inverter, a permanent magnet synchronous motor module and a 3s / 2r changing module. The novel fuzzy and deadbeat algorithm vector control system can be well applied to a digital control system, and has good application prospects.

Description

technical field [0001] The invention relates to the field of permanent magnet synchronous motor control, in particular to a novel vector control system for permanent magnet synchronous motors using a combination algorithm of fuzzy PI and deadbeat current prediction. Background technique [0002] Permanent magnet synchronous motor (Permanent Magnent Synchronous Motor, PMSM) is a nonlinear, time-varying and uncertain complex control object. In the traditional vector control (id = 0), the double PID closed-loop control strategy of speed loop and current loop is adopted. But the traditional PID parameters are difficult to determine, and the dynamic performance is poor. In the operation of permanent magnet synchronous motor, due to the change of parameters, the mathematical model changes, and the traditional PID controller cannot be adjusted online, resulting in the decline of control performance. Therefore, the vector control algorithm of permanent magnet synchronous motor usi...

Claims

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Application Information

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IPC IPC(8): H02P21/00
Inventor 杨飏
Owner 杨飏
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