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A Brushless DC Motor Control System Based on Aviation Application

A brush DC motor and control system technology, which is applied in the control system, motor control, electronic commutation motor control, etc., can solve few problems such as the reliability research of brushless motor control drives, so as to save the cost of switching tubes and improve utilization The effect of flexible rate and control mode

Active Publication Date: 2019-07-12
BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The performance of the brushless motor is largely determined by the performance of the control driver, and the reliability of the brushless motor control driver is rarely studied in the prior art

Method used

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  • A Brushless DC Motor Control System Based on Aviation Application
  • A Brushless DC Motor Control System Based on Aviation Application
  • A Brushless DC Motor Control System Based on Aviation Application

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Experimental program
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Embodiment Construction

[0029] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0030] figure 1 is a schematic diagram of a state-of-the-art three-phase motor. Such as figure 1 As shown, the three-phase motor system includes a power supply configured to provide the power required for motor operation; a capacitor C1 connected in parallel with the power supply; a three-phase motor including phase A, phase B and phase C; switching tube T1- T6, wherein the switching tube T1 is connected between the phase A of the three-phase motor and the positive pole of the power supply, the switching tube T4 is connected between the phase A of the three-phase motor and the negative pole of the power supply, and the switching tube T3 is connected between the three-phase motor Between the B phase of the three-phase motor and the positive pole of the power supply, the switching tube T6 is connected between the B phase of the three-phase motor an...

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PUM

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Abstract

The invention discloses a brushless DC motor control system based on aviation application. The state of a switch tube is judged by voltage and current detection, and then the switch tube is opened, shut down or switched. The system replaces a faulty bridge arm with a fault-free bridge arm, and the operable state of a motor can be maintained when a switch tube on the bridge arm fails, so as to improve the reliability of the motor operation.

Description

technical field [0001] The invention belongs to a motor controller, in particular to a highly reliable brushless DC motor control system for aviation applications. Background technique [0002] The performance of the brushless motor largely depends on the performance of the control driver, and there is little research on the reliability of the brushless motor control driver in the prior art. For the application in the special environment of aviation, its long-term high reliability is one of the key assessment indicators of the control driver. Contents of the invention [0003] The purpose of the present invention is to provide a highly reliable brushless DC motor control system based on aviation applications. The control system can realize fault detection. Compared with the traditional topology, its power topology has added a certain number of MOSFET tubes and switches. And put forward the control method of MOSFET tube and switch, switch the switch tube in the fault state...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P6/08H02P29/024H02P29/028
CPCH02P6/085H02P29/0243H02P29/032
Inventor 魏思维李林刘志军张磊吴昊
Owner BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS