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Abstract: The
method of the big power PWM servo system based on the state observer's
optimal VSC strategy is proposed, The chattering in the VSC system is
eliminated by using this method. The results of simulation and
experiment demonstrate that this method is effective and has simple
structure. It can be vised in real time control.
Key words: Variable
structure control with sliding model Robust control Nonlinear control
CLC No: TP13
Received 20010719, received in
revised form 20020226
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