Research of Detector for Surface Defects of Steel Ball Based on Improved PID Control

Yi Zhi Liu; Xian Li Liu; P. Wang; Yi Wen Wang; Liang Zhu; Lan Wang

doi:10.4028/www.scientific.net/KEM.392-394.941

Paper Titles

Research on Examination and Approval Flow in Concurrent Process Planning System
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Thermal Imaging Experimental Research on Temperature Field for Milling Insert
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Finite Element Simulation of Orthogonal Cutting of Nodular Cast Iron
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Discussion on Image Contour Extracting Method of Homogeneous Objects
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Research of Detector for Surface Defects of Steel Ball Based on Improved PID Control
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Real-Time Monitoring System of Cutting Process Based on Cutting Temperature
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Study on Integration of CAx/PDM Based on Web Services
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Design and Development of Integrated System on CAD/CAE /CAPP for Tube-Bending in Power Plants Boiler
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A Data Hub Model for Simulation-Based Ship Design
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Research of Detector for Surface Defects of Steel Ball Based on Improved PID Control

Abstract:

This paper used digital image technology to detect surface defects of steel ball, and designed mechanism body and the corresponding control system. In order to improve the poor control effect of basic PID, we put forward modified PID control strategy, combining speed-variable integral, differential, and anti-saturation integral, then realized optimum design for PID parameters. The experimental results indicated that PID control strategy in the paper based on optimizing parameters had a maximum output at the initial time interval, so that the response speed of system would be much higher, and the adjusting time would also be shorter.