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On-line adjustment control of two motor speed-regulating system based on neural network generalized inverse
Pages: 511-515,522
Year: Issue:  4
Journal: Electric Machines and Control

Keyword:  neural networkgeneralized inversecontrol on-linedecoupling control;
Abstract: Two motor variable frequency speed-regulating system is a multiple input multiple output, nonlinear, and high coupling control system. The generalized reversibility of this two motor system was testified. Consequently, a pseudo-linear system was completed by constructing a neural network generalized inverse(NNGI) system and combining it with two motor system. The generalized inverse can transform the MIMO nonlinear system into a number of single input single outple linear subsystems. In order to approach the inversion exactly in operation of the motor, the control method on-line based on artificial neural network(ANN) inverse system is proposed, in which connection value can be amended continuously on-line to make the ANN adapt to the changes of environment to strengthen its robustness. Experiment results have shown that ANN can be adjusted in the control process using PLC as the main controller. The good applicability of ANN along with the strong stability and robustness of the system can be achieved by using the proposed method.
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