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Permanent magnet synchronous motor IPM isolation driving circuit based on vector control

A technology of permanent magnet synchronous motor and isolated drive circuit, which is applied in the direction of controlling generators, vector control systems, and controlling electromechanical brakes, etc. It can solve the problems that the control accuracy of permanent magnet synchronous motors cannot be guaranteed, and achieve good electromagnetic interference and energy loss Less, the effect of stable circuit performance

Pending Publication Date: 2022-04-08
LANZHOU FLIGHT CONTROL
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a drive circuit with stable, safe and reliable circuit performance, good ability to eliminate electromagnetic interference and low energy loss in view of the problem that the control accuracy of the permanent magnet synchronous motor cannot be guaranteed for use

Method used

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  • Permanent magnet synchronous motor IPM isolation driving circuit based on vector control

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Embodiment Construction

[0021] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following embodiments illustrate the drive circuit provided by the present invention in detail with reference to the accompanying drawings.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this Inventions and simplified descriptions do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the inve...

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Abstract

The invention provides a permanent magnet synchronous motor IPM isolation drive circuit based on vector control, and the drive circuit comprises six paths of PWM control signal input units which are used for providing control signals; the optocoupler isolation unit is used for isolating the control signals output by the six-path PWM control signal input unit and inputting the control signals to the IPM chip; the IPM driving unit is used for converting the control signal processed by the optocoupler isolation unit into a driving signal, performing fault detection on the driving signal, and transmitting the output driving signal to a permanent magnet synchronous motor for driving if no fault exists; and the driving fault output unit is used for receiving the fault information obtained by the IPM driving unit and transmitting the fault information to an upper computer. The driving circuit is stable, safe and reliable in performance, has a good capability of eliminating electromagnetic interference, is low in energy loss, and can meet various algorithms in motor control driving.

Description

technical field [0001] The invention belongs to the technical field of permanent magnet synchronous motors, and in particular relates to an IPM isolation drive circuit of a permanent magnet synchronous motor based on vector control. Background technique [0002] A permanent magnet synchronous motor is a synchronous motor that is excited by permanent magnets to generate a rotating magnetic field. Due to its high efficiency, small torque ripple, fast dynamic response and many other advantages, permanent magnet synchronous motors have been widely used in various products in the aviation field, and the requirements for the control accuracy of permanent magnet synchronous motors are getting higher and higher. [0003] Therefore, a circuit capable of accurately controlling the permanent magnet synchronous motor is needed. Contents of the invention [0004] The object of the present invention is to propose a drive circuit with stable, safe and reliable circuit performance, good ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P27/08H02P6/08H02P21/00H02M1/092
Inventor 崔永胜王祯张强朝史亚强张雷
Owner LANZHOU FLIGHT CONTROL
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