A motor sensorless drive control system

A drive control and sensor technology, which is applied in the direction of single motor speed/torque control, etc., can solve the problems of slow speed response, unstable speed, failure to meet customer requirements and national standards, etc., and achieve fast response and high precision of speed control , The effect of eliminating self-interference and external interference

Active Publication Date: 2016-09-14
GUANGDONG GUANGSHUN NEW ENERGY POWER TECH CO LTD +2
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] In traditional automobiles and industries, the control of permanent magnet synchronous motors generally has the defects of low speed, low power, slow speed response, unstable speed, and poor load capacity.
With the advancement of science and technology and the continuous improvement of customer requirements, the existing technology cannot meet the customer's use requirements and national standards.

Method used

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  • A motor sensorless drive control system
  • A motor sensorless drive control system
  • A motor sensorless drive control system

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Embodiment Construction

[0023] In order to facilitate those of ordinary skill in the art to better understand the essence of the present invention, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, a motor sensorless drive control system is suitable for high-speed motors of 10000RPM-120000RPM, including: processor 1, drive circuit 2 connected to processor 1, position sensorless detection circuit 3, protection circuit 4, high and low voltage Isolation circuit 5, and CAN bus communication circuit 6. Wherein, the processor 1 is a DSP processor, and the driving circuit 2 includes: a bridge matrix circuit connected together, a push-pull output driving circuit and an IGBT current expansion high load carrying circuit. In this embodiment, the bridge matrix circuit is an IR2136 chip.

[0025] The IGBT current expansion and high load carrying circuit is divided into three control ci...

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Abstract

The present invention is a motor sensorless drive control system, suitable for high-speed motors of 10000-120000 RPM, mainly composed of DSP control processor, bridge matrix circuit, push-pull output drive circuit, IGBT current expansion high load carrying circuit, high-speed sensorless detection circuit, protection circuit, CAN bus communication circuit, high and low voltage isolation circuit, etc. The PMSM control waveform is output by the DSP processor, and the power is amplified by the bridge matrix circuit and the push-pull output drive circuit to drive the IGBT current expansion module to control the high-speed motor. It has undervoltage, overvoltage, overcurrent, temperature protection, fault memory protection, CAN online system upgrade program refresh, and fault diagnosis functions that meet ISO15765. This control system is suitable for various permanent magnet synchronous motors and meets the control requirements of new energy vehicles at home and abroad. It has the characteristics of small size, high controllable speed and high efficiency.

Description

technical field [0001] The invention relates to the technical field of permanent magnet synchronous motor control, in particular to a sensorless drive control system for a high-speed motor. Background technique [0002] In traditional automobiles and industries, the control of permanent magnet synchronous motors generally has the defects of low speed, low power, slow speed response, unstable speed, and poor load capacity. With the advancement of science and technology and the continuous improvement of customer requirements, the existing technology cannot meet the customer's use requirements and national standards. For example, in the control, the accuracy of the speed is required to be less than 1%, and the response speed is less than 1s. [0003] In addition, due to the increase of peripheral ports of the control system, the standards it needs to meet are also the same as those of foreign technology frontiers. For example, the control system needs to have USB, CAN / LIN, UA...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P6/08
Inventor 吴全陈火炎吴勇辉周芝河
Owner GUANGDONG GUANGSHUN NEW ENERGY POWER TECH CO LTD
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