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Motor soft decoding intelligent speed measurement method

A soft decoding and intelligent technology, applied in other decoding technologies, measuring devices, speed/acceleration/shock measurement, etc., can solve the problems of high sensor accuracy dependence, poor anti-interference ability, narrow speed measurement range, etc., and achieve the possibility of being disturbed The effect of small resistance, strong anti-interference ability and wide speed measurement range

Active Publication Date: 2019-07-23
ZHEJIANG LEAPMOTOR TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to overcome the problems of poor anti-interference ability, low precision, narrow speed measurement range and large dependence on sensor accuracy of the traditional soft decoding scheme for motor speed detection in the prior art, and provides an anti-interference ability and speed measurement range. Wide and high sampling precision motor soft decoding intelligent speed measurement method

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  • Motor soft decoding intelligent speed measurement method
  • Motor soft decoding intelligent speed measurement method
  • Motor soft decoding intelligent speed measurement method

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0036] like figure 1 A motor soft decoding intelligent speed measurement method shown includes an error solver 1 , a PID adjustment module 2 , an angle integration module 3 , a sin-cosine output module 4 , an amplitude calculation module 5 and a quadrature solver 6 . The quadrature solver is respectively connected to the error solver and the amplitude calculation module, the amplitude calculation module is connected to the error solver, the error solver, the PID adjustment module, the angle integration module and the sine-cosine output module are connected in turn, and the sine-cosine The output module is connected with the error solver, and the PID adjustment module includes three parameter variables, a first adder and a second adder. In the figure, the quadrature signals Vta and Vtb, the magnitude Vr, the frequency w representing the rotational sp...

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Abstract

The invention discloses an intelligent speed measurement method of soft decoding of a motor. According to the invention, an error solver, a PID adjusting module, an angle integral module, a cosine and sine output module, an amplitude calculation module and an orthogonal solver are provided; the orthogonal solver is connected with the error solver and the amplitude calculation module; the amplitude calculation module is connected with the error solver; the error solver, the PID adjusting module, the angle integral module and the cosine and sine output module are successively connected; the cosine and sine output module is connected with the error solver; and the PID adjusting module comprises three parameter variables, a first adder and a second adder. Thus, the method is characterized by strong anti-interference ability, wide speed measurement range and high sampling precision.

Description

technical field [0001] The invention relates to the technical field of motor detection, in particular to a motor soft decoding intelligent speed measurement method with strong anti-interference ability, wide speed measurement range and high sampling accuracy. Background technique [0002] With the development of the national economy and science and technology, the role of motors in all walks of life is becoming more and more important. In order to realize the closed-loop control of motor speed and real-time monitoring, the accuracy, speed and cost of motor speed measurement systems must be improved. higher requirements have been put forward. Therefore, the motor speed measurement system technology has an important impact on the comprehensive performance of motor products, and is very critical to the overall product experience. In the existing products that use the motor as the powertrain. [0003] Speed ​​detection is often divided into hardware decoding and software decod...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P1/00G01D3/02H03M13/45
CPCG01D3/02G01P1/00H03M13/45
Inventor 非凡
Owner ZHEJIANG LEAPMOTOR TECH CO LTD