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Teaching experiment system based on alternating-current motor driving control method

An AC motor, drive control technology, applied in teaching models, educational tools, instruments, etc., can solve problems such as unsatisfactory teaching effect, difficult for students to understand, scarcity of equipment, etc., to achieve convenient maintenance and replacement, simple operation, and convenient data collection Effect

Active Publication Date: 2012-01-25
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the scarcity of relevant teaching and experimental equipment, most teaching is limited to teaching some principles in the classroom, which is relatively abstract, difficult for students to understand, and the teaching effect is not ideal.

Method used

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  • Teaching experiment system based on alternating-current motor driving control method
  • Teaching experiment system based on alternating-current motor driving control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0032] A teaching experiment system for advanced drive control algorithms of AC motors, such as figure 1 As shown, including power conversion module, central control module, power drive module, control parameter setting module, control algorithm selection module, parameter measurement and display module, motor loading module, host computer module, serial port, data acquisition card, Hall sensor , photoelectric encoder and motor.

[0033] The functions of the above-mentioned components and the connection relationship among them are as follows:

[0034] Among them, the power conversion module is responsible for providing power to other modules, displaying the corresponding voltage and current values ​​and having an over-current protection function. When the current is higher than 5A, it will automatically cut off the power. Specifically, in this embodiment, AC-DC isolated power supplies NET-50C and S-350-48 of MEAN WELL can be used.

[0035]The central control module is used t...

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PUM

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Abstract

The invention belongs to the field of alternating-current motor control teaching instruments, and relates to the teaching of an advanced control algorithm of a permanent magnet synchronous motor and an asynchronous motor aiming at undergraduate students or postgraduate students, aiming to provide an alternating-current motor experiment teaching platform which is designed for undergraduate students or postgraduate students of the relevant majors, such as electrical engineering and automation of electrical and information science and technology, mechanical and electrical integration of colleges and universities of engineering courses. The teaching platform is tightly matched with teaching contents, can deepen the understanding of an alternating-current control theory and method for students, and simultaneously the operation ability of the students is strengthened. The experiment system comprises a power supply conversion module, a central control module, a power driving module, a control parameter set module, a control algorithm selection module, a parameter measuring and display module, a motor loading module, an upper computer module, a serial port, a data acquisition card, a hall sensor, a photoelectric encoder and a motor.

Description

technical field [0001] The invention belongs to the field of AC motor control teaching instruments and relates to the teaching of advanced control methods for permanent magnet synchronous motors and asynchronous motors for undergraduates or postgraduates. Background technique [0002] With the rapid development of power electronics technology, motor manufacturing technology, large-scale integrated circuit and microprocessor technology, the application of digital servo control system is becoming more and more extensive. Today, servo control systems have been used in many high-tech fields, such as aerospace, robotics, CNC machine tools, large-scale integrated circuit manufacturing, office automation equipment, etc. Servo control system has become an indispensable part of our daily production and life. At the same time, people's requirements for the performance of the servo system are also constantly improving, and people are increasingly expecting to adopt a low-cost, high-pe...

Claims

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Application Information

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IPC IPC(8): G09B25/02
Inventor 陈振于玮刘向东弓萌野
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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