基于PCHD模型的感应电机变阻尼无源性控制策略

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Abstract A novel vector control method for induction motors based on port-controlled Hamiltonian with dissipation(PCHD) model with flexible damping is proposed in this paper. The modeling and speed control of induction motor is presented. Based on PCHD systems, induction motor can be viewed as a two-port energy-transformation device, and a nonlinear mathematical model of induction motor is established. Using the passivity-based control method of interconnection and damping assignment, the feedback stabilization of induction motor system is given, the torque and speed controller of induction motor is then designed, and the required reference stator voltages are deduced. In order to overcome the speed fluctuation in the period of arriving stable state, a new control strategy is presented in, where the flexible damping is added into the controller. Flexible damping can be achieved by using second order tracking differentiator(SOTD) to restrain the fluctuation. The strategy can make dynamic performance more optimum and torque and speed tracking effect better. The experimental results verify the effectiveness of the algorithm.

Key words： Flexible damping second order tracking differentiator induction motor passivity- based control

Received: 19 February 2013 Published: 05 November 2014

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TM343

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	Articles by authors
	Yin Zhonggang
	Ding Huchen
	Zhong Yanru
	Liu Jing

Cite this article:

Yin Zhonggang,Ding Huchen,Zhong Yanru等. Passivity-Based Control Method of Induction Motors Based on Port-Controlled Hamiltonian with Dissipation (PCHD) Model with Flexible Damping[J]. Transactions of China Electrotechnical Society, 2014, 29(8): 70-80.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I8/70

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