Abstract
The multiobjective robust control synthesis method of parameters for nonlinear multi-mass rolling mills main electric drives with uncertain plant parameters to improve the control accuracy of such systems is developed. Multi-criteria game solution based method. Basic requirements which the main electric drives must satisfy in various modes of its operation based payoff vectors. Modeling of the synthesized system with different input signals and for various values of the plant parameters for various modes of the system operation based payoff vectors calculation. Particles multiswarm optimization algorithms based multi criterion game solution. Theoretical and experimental research of the effectiveness of two -mass and three-mass rolling mills main electric drives with synthesis of robust controllers are presented. Comparison of the dynamic characteristics of the synthesized rolling mills main electric drives with the existing system is completed. In comparison with the existing system the use of synthesized robust controllers allowed to improve the accuracy parameters and reduce the sensitivity of the system to changes of plant parameters.
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