Accurate tracking control in LOM application

Yadong Liu; Congxin Li; Xingui Guo; Decai Wang

Volume 10 Issue 1

Feb. 2003

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Abstract

International Journal of Minerals, Metallurgy and Materials > 2003 > 10(1): 74-78.

Yadong Liu, Congxin Li, Xingui Guo, and Decai Wang, Accurate tracking control in LOM application, J. Univ. Sci. Technol. Beijing , 10(2003), No. 1, pp.74-78.

Cite this article as:

Yadong Liu, Congxin Li, Xingui Guo, and Decai Wang, Accurate tracking control in LOM application, J. Univ. Sci. Technol. Beijing , 10(2003), No. 1, pp.74-78.

Cite this article as:

Yadong Liu, Congxin Li, Xingui Guo, and Decai Wang, Accurate tracking control in LOM application, J. Univ. Sci. Technol. Beijing , 10(2003), No. 1, pp.74-78.

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Automation

Accurate tracking control in LOM application

Author Affilications

National Die & Mould CAD Engineering Research Center, Shanghai Jiaotong University, Shanghai 200030, China

Funds:

This work was financially supported by Special Research Foundation of High-Education Ph.D Subjects, Education Ministry of China (No.98024834)

Received: 27 March 2002; Available Online: 21 June 2021

Graphical Abstract

Abstract

Abstract

The fabrication of accurate prototype from CAD model directly in short time depends on the accurate tracking control and reference trajectory planning in (Laminated Object Manufacture) LOM application. An improvement on contour accuracy is acquired by the introduction of a tracking controller and a trajectory generation policy. A model of the X-Y positioning system of LOM machine is developed as the design basis of tracking controller. The ZPETC (Zero Phase Error Tracking Controller) is used to eliminate single axis following error, thus reduce the contour error. The simulation is developed on a Maltab model based on a retrofitted LOM machine and the satisfied result is acquired.
- tracking control,
- LOM,
- ZPETC,
- trajectory planning

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