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A multi-motor control system based on labview

A multi-motor control and control system technology, applied in the field of visual measurement, can solve the problems affecting the convenience of use, less pulse output ports, system redundancy, etc., achieve good stability and convenience, improve efficiency, and simple procedures

Active Publication Date: 2017-07-11
DALIAN UNIV OF TECH
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  • Claims
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AI Technical Summary

Problems solved by technology

The cost of this method is low, but because the PLC itself has very few pulse output ports, multiple PLCs need to work together when controlling many motors, the cost is high, and it will lead to system redundancy and affect the convenience of use

Method used

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  • A multi-motor control system based on labview
  • A multi-motor control system based on labview
  • A multi-motor control system based on labview

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Embodiment Construction

[0018] The specific implementation manner of the present invention will be described in detail below in conjunction with the technical scheme and the accompanying drawings.

[0019] In the embodiment, ten line lasers are used, which are required to project three combinations of vertical parallel light stripes, horizontal parallel light stripes and cross grids, and to be able to quickly adjust the spacing and position between the light stripes . The mechanical device scheme is to divide ten lasers into two groups on average, and fix them in two mechanical frames respectively, which are called the left array and the right array respectively. When the two arrays of lasers are placed horizontally, the ten lasers project light bars Both are horizontal light bars, that is, the projection mode of horizontal light bars is realized. If the motors are used to rotate the five line lasers in the left array by 90°, the line lasers on the left array will project 5 vertical parallel light b...

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Abstract

The invention provides a multi-motor control system based on LabVIEW, belongs to the field of vision measurement, and relates to a multi-stepping motor cooperative control system based on LabVIEW. The control system comprises a hardware part and a software part. The hardware part comprises a power supply, a work station, a communication plate card, a PXI Express case, a counter card, a driver, a stepping motor and an auxiliary power supply. The software part is developed based on the LabVIEW platform. Cooperative control for multiple stepping motors is achieved via the hardware part. The software part comprises a normal functional module, a distance adjusting module, a parameter setting module and a sudden stop module. The control system has simple programs and is convenient to operate; compared with a single-chip microcomputer and a PLC, the control system is more stable and convenient, and capable of performing cooperative control on multiple stepping motors highly efficiently and conveniently; rapid switching to a light bard projection mode, and cooperative and independent adjustment of distance and positions among optical bars in the vision measurement can be achieved; and efficiency of vision measurement is increased.

Description

technical field [0001] The invention belongs to the field of visual measurement, in particular to a multi-step motor cooperative control system based on LabVIEW. Background technique [0002] In visual measurement technology, in order to improve the accuracy and efficiency of measurement, auxiliary targets are usually required in data splicing and dimension measurement. The auxiliary target based on line laser has the advantages of high precision and convenient implementation, and is widely used in visual measurement. However, different stages of visual measurement have different requirements for the combination of auxiliary laser light strips and the spacing between light strips, which need to be adjusted in real time according to the actual measurement process. [0003] At present, the coordinated control of multiple stepping motors is mostly based on the design of the control circuit of the single-chip microcomputer chip, which has low cost and good flexibility. However,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P8/40
Inventor 贾振元徐鹏涛刘巍刘阳王灵丽杨景豪樊超楠王亮
Owner DALIAN UNIV OF TECH
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