Please use this identifier to cite or link to this item: https://doi.org/10.1109/87.930978
Title: Adaptive control of ram velocity for the injection moulding machine
Authors: Tan, K.K. 
Huang, S.N. 
Jiang, X. 
Keywords: Adaptive control
Polymers
Polynominal approximation
Sliding mode control
Velocity control
Issue Date: Jul-2001
Source: Tan, K.K.,Huang, S.N.,Jiang, X. (2001-07). Adaptive control of ram velocity for the injection moulding machine. IEEE Transactions on Control Systems Technology 9 (4) : 663-671. ScholarBank@NUS Repository. https://doi.org/10.1109/87.930978
Abstract: This paper presents the design of an adaptive controller for the control of the ram velocity of an injection moulding machine, based on a physical nonlinear model which describes the filling phase in detail. Polynomial series are first used to simplify the mathematical model such that the system parameters and the system states are essentially separated. The errors arising from the approximation are reduced with the introduction of certain robustification terms into the control law representative of the residual effects. A sliding surface is subsequently defined and a self-tuning robust controller capable of achieving tight set-point regulation is proposed in which the control gains are tuned by an adaptive algorithm. The convergence property of the adaptive controller is proven in the paper. Finally, simulations are provided to evaluate the performance of the proposed control system.
Source Title: IEEE Transactions on Control Systems Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/54892
ISSN: 10636536
DOI: 10.1109/87.930978
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