Study on Workpiece Machining Precision PID Control Model in Closed-Loop Manufacturing Systems

Jun Lu; Yu Mei Huang; Wen Wen Li; Yang Liu; Hua Zhong

doi:10.4028/www.scientific.net/KEM.419-420.469

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 419-420Study on Workpiece Machining Precision PID Control...

Study on Workpiece Machining Precision PID Control Model in Closed-Loop Manufacturing Systems

Abstract:

In this paper, a new concept named “Closed-loop Manufacturing System” (CLMS) is proposed. The Workpiece Machining Precision PID Control Model (WMPPCM) is outlined firstly, in which PID model expressions are structured and the role of proportion, integration, differential adjustment are analyzed. Then, the experimental method of WMPPCM is established to verify the feasibility and validity of this model. In the experiment, WMPPCM could be utilized to estimate the trend of processing error so as to conduct the adjustment before production. It is also proved that WMPPCM in CLMS has a significant effect on error compensation, which builds up the theoretical foundation for paper research on CLMS in terms of WMPPCM.

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Periodical:

Key Engineering Materials (Volumes 419-420)

Pages:

469-472

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.419-420.469

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Online since:

October 2009

Authors:

Jun Lu, Yu Mei Huang, Wen Wen Li, Yang Liu, Hua Zhong

Keywords:

Closed-Loop Manufacturing System, Error Compensation, PID Control Model, Processing Error, Workpiece Machining Precision

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References

[1] Wang Jia-an: China Metal Forming Equipment and Manufacturing Technology, Vol. 43 (2008. 2), p.21.

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[2] Yang Zhan-xi, Han Qiu-shi: Manufacturing Technology and Machine Tool, (2008. 12): p.63.

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[3] Su Ai-lin; Wang You-quan; Zhang Chun-lei; Zhao Xue-feng: Journal of Sichuan University (Engineering Science Edition) , Vol. 33(2001. 01): 82. Fig. 6 WPPPCM experiment Fig. 7 Without error compensation experiment.

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