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|Title:||Feedforward suppression of force ripple based on a simplex-optimized dither signal|
|Authors:||Tan, K.K. |
|Citation:||Tan, K.K.,Chin, S.J.,Dou, H.F. (2003-01). Feedforward suppression of force ripple based on a simplex-optimized dither signal. ISA Transactions 42 (1) : 19-27. ScholarBank@NUS Repository.|
|Abstract:||This paper presents the design and realization of a feedforward dither signal to reduce the force ripple in an iron-core permanent magnet linear motor (PMLM). A composite control structure is used, consisting of three components: a simple feedforward component, a PID feedback component, and a ripple compensator (RC). The first two components are designed based on a dominant linear model of the motor. The dither signal is generated based on a signal model which is identified using a multidimensional simplex downhill method. In this way, a simple approach is available to eliminate or suppress the inherent force ripple, thus facilitating smooth precise motion while uncompromising on the maximum force achievable. Real-time experimental results verify the effectiveness of the proposed scheme for high precision motion trajectory tracking. © 2003 ISA - The Instrumentation, Systems, and Automation Society.|
|Source Title:||ISA Transactions|
|Appears in Collections:||Staff Publications|
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