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System based on permanent magnet synchronous linear motor and Hall position sensor

A permanent magnet synchronous linear and Hall position technology, applied in the field of sensors, can solve the problems of travel limitation, occupying a lot of storage space, high price, etc., and achieve the effect of eliminating the influence of measurement accuracy

Inactive Publication Date: 2021-11-26
SUZHOU ZHIWEI PRECISE DRIVING CONTROL TECH CO LTD
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  • Abstract
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Problems solved by technology

However, this type of position sensor is expensive, requires high installation requirements, and has a limited stroke, which is not conducive to the reliability of the PMSLM control system, and usually requires the use of a coordinate vector transformation control method, which requires a large amount of calculation and takes up a lot of storage space, which increases the hardware Performance requirements and complexity of the processing platform

Method used

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  • System based on permanent magnet synchronous linear motor and Hall position sensor
  • System based on permanent magnet synchronous linear motor and Hall position sensor
  • System based on permanent magnet synchronous linear motor and Hall position sensor

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Embodiment Construction

[0033] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0034] Such as figure 1 and figure 2 As shown, in this embodiment, the system based on the Hall position sensor of the permanent magnet synchronous linear motor includes a permanent magnet synchronous linear motor 100 and a Hall position sensor 200 . The permanent magnet synchronous linear motor 100 includes a mover 10 (not shown in ...

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Abstract

The embodiment of the invention aims to provide a system based on a permanent magnet synchronous linear motor and a Hall position sensor. The system combines a stator space structure and an electrical model of the permanent magnet synchronous linear motor based on a Hall effect principle, signal generation structure design based on a linear Hall sensor is carried out, a three-phase six-Hall signal generation structure is adopted to eliminate the influence of third harmonic on the measurement precision of a position sensor, and the system has the advantage of high precision. And the system has the advantages of low cost and simplified platform requirements.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a system based on a permanent magnet synchronous linear motor and a Hall position sensor. Background technique [0002] In the field of industrial applications, the unilateral moving coil permanent magnet synchronous linear motor (PMSLM) has been widely used. The primary of PMSLM is commonly known as the stator, and the secondary is commonly known as the mover. In order to realize the normal motion of PMSLM, its moving stator needs to be produced in different lengths. Short primary and long secondary are usually used in the design form, and the difference in the length of PMSLM moving stator is equivalent to its stroke range. PMSLM can directly realize linear motion, has the advantages of high precision, high speed, high power density, good dynamic response and compact motor structure, etc. It has broad application prospects in semiconductor, laser processing, integrated circuit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/215H02K41/03
CPCH02K11/215H02K41/031
Inventor 刘吉柱章晓旗
Owner SUZHOU ZHIWEI PRECISE DRIVING CONTROL TECH CO LTD
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