Dual linear motor driven synchronization tracking control device and method

A linear motor, synchronous tracking technology, applied in the direction of motor generator control, AC motor control, control of electromechanical transmission devices, etc., can solve the problem of short transmission chain and difficult to control, achieve fast response speed, reduce error, high sampling frequency Effect

Active Publication Date: 2017-09-29
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention uses a linear motor to drive, overcomes the defects of easy wear of mechanical devices such as servo motors, reducers and ball screws, errors caused by gear gaps and matching gaps, and short transmission chains that are difficult to control. Positioning, and at the same time supplemented by strain gauges to track the two linear motor motion platforms synchronously, greatly reducing the error and improving the accuracy of synchronous tracking

Method used

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  • Dual linear motor driven synchronization tracking control device and method
  • Dual linear motor driven synchronization tracking control device and method
  • Dual linear motor driven synchronization tracking control device and method

Examples

Experimental program
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Embodiment

[0031] Such as Figure 1-Figure 3 As shown, a dual linear motor drive synchronous tracking control device includes a linear motor drive part, a strain detection part and a drive control part;

[0032] The linear motor driving part includes two linear motor driving devices with identical structure fixed on the test bench in parallel, and each linear motor driving device includes a linear motor, a linear guide rail, a slider and a base;

[0033] The linear motor and the linear guide rail are fixed on the base, the slider is installed on the linear guide rail through the linear motor mover 4, the linear motor drives the slider to move on the linear guide rail, and the two bases are fixed in parallel on the experimental on stage 16;

[0034] Under the guidance of the first linear guide rail 2, the first linear motor 3 drives the first slider 6 fixed on the first linear electronic mover to move. The first linear guide rail 2 and the first linear The motor 3 is fixed on the first ...

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Abstract

The invention discloses a dual linear motor driven synchronization tracking control device and method. The device comprises a linear motor drive part, a strain detection part and a drive control part. The linear motor drive part comprises two linear motor drive devices which are completely identical in structure. The two linear motor drive devices are fixed on an experiment table in parallel and respectively comprise a linear motor, a linear guide rail, a slide block and a base. The strain detection part comprises a thin steel plate, a rotating shaft and a strain gauge. The drive control part comprises a servo driver, a motion control card, an industrial control computer, a strain controller and an A/D conversion card. Static and dynamic measurement can be performed by using the strain gauge so as to have the advantages of high sampling frequency and fast response speed, and the synchronization situation between two platforms can be monitored in real time.

Description

technical field [0001] The invention relates to the field of linear drive tracking control, in particular to a dual linear motor drive synchronous tracking control device and method. Background technique [0002] With the development of science and technology, a new impetus has appeared in the development of modern manufacturing industry, which marks more complex production tasks and high-precision production requirements. People have higher and higher requirements for the quality and product performance of mechanical equipment. In some occasions, controlling one motor can no longer meet the work requirements. In the process of equipment control, it is often necessary to coordinate and synchronously control multiple motion units so that they have a constant rotational speed or linear velocity or displacement to meet their work requirements. Under the new manufacturing development situation, the synchronous control method of the mechanical system is continuously developed, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/00H02P25/06
CPCH02P21/00H02P25/06Y02P90/02
Inventor 邱志成杨艾琳
Owner SOUTH CHINA UNIV OF TECH
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