Device for testing performance of liquid crystal elastomer material array

A liquid crystal elastomer and testing equipment technology, applied in image analysis, image enhancement, machine learning, etc., can solve the problems of insufficient accuracy, low accuracy, no image processing algorithm, etc., and achieve the goal of enhancing robustness and eliminating interference Effect

Active Publication Date: 2022-07-12
XINXIANG VOCATIONAL & TECHN COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, artificial visual methods are usually used to judge the deformation of liquid crystal elastomer materials, but due to insufficient accuracy, it has caused obstacles to quantitative research
It is also proposed to use machine vision to detect material deformation, but the image algorithm is complex and the accuracy is low
Moreover, due to the special optical properties of liquid crystal elastomer materials, general material deformation image algorithms cannot accurately detect, and there is no image processing algorithm specifically for liquid crystal elastomer materials.
And most algorithms can only judge whether the deformation of the entire array is normal or abnormal, but cannot accurately locate the abnormal unit position

Method used

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  • Device for testing performance of liquid crystal elastomer material array
  • Device for testing performance of liquid crystal elastomer material array
  • Device for testing performance of liquid crystal elastomer material array

Examples

Experimental program
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Embodiment Construction

[0037] Equipment includes conveyor belts, light sources, optical cameras, and processors.

[0038] Wherein, the conveyor belt is used to carry the liquid crystal elastomer material array to be detected, and transport it to the illumination area and the collection area in turn.

[0039] The liquid crystal elastomer material array module to be tested includes a liquid crystal elastomer unit and a module substrate, wherein a plurality of liquid crystal elastomer units are located on the module substrate and are arranged in a matrix.

[0040] The light source is located in the illumination area, and is used for irradiating light to the liquid crystal elastomer material to be detected, so that the liquid crystal elastomer material is deformed. An optical camera is located in the acquisition area and is used to acquire images of the deformed liquid crystal elastomer material and transmit the images to the processor. As a solution, the illumination area and the acquisition area can ...

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Abstract

The invention provides liquid crystal elastomer material array performance testing equipment, which is characterized in that a non-contact optical camera is used for acquiring an image of a tested liquid crystal elastomer array module, and a machine vision learning method is used for learning image parameters of a liquid crystal elastomer array unit in different deformation states; the detection of the deformation performance of the liquid crystal elastomer array unit and the positioning of the abnormal unit are realized according to the image parameters.

Description

technical field [0001] The invention relates to the field of material performance testing, in particular to a testing device for the performance of a liquid crystal elastomer material array. Background technique [0002] Liquid crystal elastomer is a new type of material. It has both the unique positional order and orientation order of liquid crystal materials, and the elastic properties of general polymers. Therefore, it has some unique physical strain properties, such as soft elasticity, shape memory properties, thermotropic properties. Strain characteristics, photo-induced strain characteristics, etc. Just as liquid crystals are sensitive to external stimuli, liquid crystal elastomers are extremely sensitive to external fields such as heat, light, and electricity. Therefore, there is potential in various emerging industries, such as actuators, sensors, artificial muscles, shape memory materials, data storage, tunable lasers, etc. [0003] Because light is clean and poll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00G06T7/73G06T7/90G06N20/00G06K9/62G06V10/74
CPCG06T7/0002G06T7/90G06N20/00G06T7/73G06T5/002G06T2207/20081G06F18/22
Inventor 魏海云王磊丁志岩郭宗辉张萍
Owner XINXIANG VOCATIONAL & TECHN COLLEGE
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