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Dynamic response servo system control system

A servo system and control system technology, applied in the field of servo system control, can solve the problems of d-axis current out of control, increase of effective value of motor phase current, etc., and achieve the effect of realizing control, suppressing the increase of effective value, and high control

Inactive Publication Date: 2020-02-21
GUIYANG AVIATION MOTOR
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Problems solved by technology

[0002] At present, the dynamic requirements of the aircraft to the servo system are constantly increasing, and the servo system has severe load changes during operation, and the number of pole pairs of the motor in the servo system is getting higher and higher. Coupling and control delays, these factors will cause d-axis current out of control, resulting in an increase in the effective value of the motor phase current in the Dong clothing system

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] Such as Figure 1-3 As shown, it includes a speed loop, a current loop and an amplifier. The speed loop, current loop and amplifier are connected in series in sequence. The amplifier and the current loop are connected through a current feedback circuit to perform closed-loop control on the motor current. The output of the speed loop is Given the q-axis current of the motor, the output of the current loop is a three-phase voltage reference, and the ampli...

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Abstract

The invention discloses a dynamic response servo system control system. The dynamic response servo system control system comprises a speed loop, a current loop and an amplifier. The speed ring, the current ring and the amplifier are sequentially connected in series; the amplifier is connected with the current loop through a current feedback circuit; closed-loop control is carried out on a motor current, the output of the speed ring is the given q-axis current of the motor, the output of the current loop is a three-phase voltage reference, the amplifier amplifies the three-phase voltage reference to drive the motor, and the current loop adopts a decoupling algorithm to compensate the angle of the rotating shaft of the motor and the d-axis voltage and the q-axis voltage respectively, so thatthe effective value of the phase current is suppressed, and the control of a high-dynamic response servo system is achieved.

Description

technical field [0001] The invention relates to the technical field of servo system control, in particular to a dynamic response servo system control system. Background technique [0002] At present, the dynamic requirements of the aircraft to the servo system are constantly increasing, and the servo system has severe load changes during operation, and the number of pole pairs of the motor in the servo system is getting higher and higher. Coupling and control delay, these factors will cause the d-axis current out of control, which will lead to the increase of the effective value of the motor phase current in the Dong clothing system. Therefore, in order to suppress the effective value of the phase current to adapt to the limited capacity of the drive module under the strict volume requirements of the airborne, the current loop needs to have a high control frequency, and the decoupling method and angle compensation method of the d and q axes need to be designed , so as to re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/00H02P21/22
CPCH02P21/0003H02P21/22
Inventor 何鑫张巽刘兴林
Owner GUIYANG AVIATION MOTOR
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