Verification test system of MSK series brushless direct current motor driver

A brush DC motor and brushless motor technology, applied in the field of electrical signal testing, can solve problems such as high input voltage and lack of matching test verification, achieve good accuracy, ensure stability, and avoid the effects of control signals

Inactive Publication Date: 2020-09-04
CHINA ACADEMY OF SPACE TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, based on the characteristics of high input voltage at the input power end of the MSK series brushless DC motor driver and large and adjustable load current at the output end, no verification test system for this type of device has been established at home and abroad. Test verification is even more lacking

Method used

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  • Verification test system of MSK series brushless direct current motor driver
  • Verification test system of MSK series brushless direct current motor driver
  • Verification test system of MSK series brushless direct current motor driver

Examples

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Embodiment Construction

[0031] Such as figure 1 with figure 2 In this embodiment, the MSK series brushless DC motor driver verification test system includes: a motor drive module 2, a drive module verification board 3, a dynamometer analog power load module 4, and a host computer control system 5.

[0032] Motor drive module 2 , Used to generate 6-channel PWM control signals according to the parameter configuration results; collect the hall signal and the three-phase brushless motor speed of the three-phase brushless motor under the dynamometer analog power load module 4; according to the 6-channel PWM control The signal, the Hall signal of the three-phase brushless motor and the rotation speed of the three-phase brushless motor realize the closed-loop control of the three-phase brushless motor.

[0033] In this embodiment, when the motor drive module 2 performs closed-loop control on the three-phase brushless motor, it includes: comparing the collected three-phase brushless motor speed with a set speed ...

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Abstract

The invention discloses a verification test system of an MSK series brushless direct current motor driver. The system comprises a motor driving module which is used for generating six paths of PWM control signals according to a parameter configuration result, collecting hall signals and the rotating speed of the three-phase brushless motor and realizing closed-loop control over the three-phase brushless motor according to the six paths of PWM control signals, the Hall signals and the rotating speed of the three-phase brushless motor; a driving module verification board which is used for driving the brushless motor driver to work according to the six paths of PWM control signals so as to drive the three-phase brushless motor to work; a dynamometer simulation power load module for carrying out on-load test on the three-phase brushless motor; and an upper computer control system for performing parameter configuration according to the to-be-tested project and sending a parameter configuration result to the motor driving module. Test items can be automatically adjusted, test data can be automatically acquired, the test data can be automatically stored in a database, and the method has the advantages that the load current output by the motor and the duty ratio of different control signals are adjustable and the like.

Description

Technical field [0001] The invention belongs to the technical field of electrical signal testing, and in particular relates to a verification test system for MSK series brushless DC motor drives. Background technique [0002] The brushless DC motor adopts pulse width modulation waveform control and adjustable frequency signal. It has significant advantages such as high operating efficiency, good speed control performance, simple structure, reliable operation, and convenient maintenance. The brushless motor and its matching drive, especially the MSK series The brushless DC motor driver has the characteristics of high input voltage at the power end and large load current at the output end, and has a wide range of applications in the fields of aerospace, communication equipment and civil household appliances. [0003] MSK series brushless DC motor driver adopts star connection full-bridge drive circuit. It integrates 6 MOSFETs, and the output signal can be directly connected to the mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0221
Inventor 刘辉王喆张洪伟王亚男张竞择魏志超
Owner CHINA ACADEMY OF SPACE TECHNOLOGY
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