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Subject Keyword Abstract Author
 
 
Robust motion control of a clamp-cylinder for energy-saving injection moulding machines

Seung Ho Cho
The Journal of Mechanical Science and Technology, vol. 22, no. 12, pp.2445-2453, 2008

Abstract : This paper deals with the issue of robust motion control of a clamp-cylinder for injection moulding machines driven by a pair of speed-controlled fixed displacement pumps. As a fundamental step prior to tracking controller design, a feedback control system is suggested by implementing a position control loop in parallel with a system pressure control loop. A discrete-time sliding mode control scheme is developed for enhancing the tracking performance under inherent nonlinearities. Consequently, a significant reduction in tracking error is achieved for both position and pressure control applications.

Keyword : Robust motion control; Speed-controlled fixed displacement pump; Injection moulding machines; Clamp-cylinder; Sliding

 
 
 
 
 
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