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Articles:2022,Vol:27,Issue(1):1-17 |
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Citation: |
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ZHU Sisi, ZHAO Peng, WAN Gang, ZHU Quanping, YANG Jin, HE Kai. Design of Piston Rod Inspection Robot for Hydraulic Hoist based on Vision[J]. International Journal of Plant Engineering and Management, 2022, 27(1): 1-17 |
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| Design of Piston Rod Inspection Robot for Hydraulic Hoist based on Vision |
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| ZHU Sisi1, ZHAO Peng2, WAN Gang1, ZHU Quanping1, YANG Jin1, HE Kai2 |
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1. China Changjiang Electric Power Co., Ltd., Yichang 443000, Hubei, China;
2. Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518000, China |
| Abstract: |
| In order to automatically detect the corrosion on the piston rod of hydraulic hoist of hydropower station and find the location of corrosion conveniently and accurately,a piston rod defect detection robot based on machine vision was developed.Firstly,the structure of the robot is presented,the detection system introduces the data collection process in the process of image processing,using a laser camera to capture image information.After the image preprocessing,cascade filter and morphological images after operation,the image information of gradient data,the depth of the defect data is extracted.To acquire the information of image defects in concave and convex,after using the RGB color image information acquisition defects the camera,HSV space separation and median filter and morphological processing are used to extracti defects in the image color information.Finally for defect information coding for quad,through comprehensive information for defect recognition and using QT development the human-computer interaction interface is developed,which can realize the reality and statistics of the robot's motion control and defect information.Through the experimental verification of the robot's performance,it is proved that the reliability of the robot's motion and the accuracy of defect identification meet the design goal. |
| Key words:
piston rod
defect detection
robot
vision
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| Received: 2021-09-28
Revised:
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| DOI: 10.13434/j.cnki.1007-4546.2022.0101 |
| Corresponding author:
Email： |
| Author description:
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References: |
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