Feedback linearization sliding-mode torque control of an induction machine
Feedback linearization sliding-mode torque control of an induction machine
- Author(s): Fang Chen and M.W. Dunnigan
- DOI: 10.1049/cp:20020098
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- Author(s): Fang Chen and M.W. Dunnigan Source: Proceedings of International Conference on Power Electronics Machines and Drives, 2002 p. 110 – 115
- Conference: Proceedings of International Conference on Power Electronics Machines and Drives
- DOI: 10.1049/cp:20020098
- ISBN: 0 85296 747 0
- Location: Bath, UK
- Conference date: 16-18 April 2002
- Format: PDF
In this work a high performance sliding-mode controller based on a feedback linearization control (SMC) system for PWM inverter-fed induction motor drives has been presented. The control performance under different operation conditions was compared to conventional field oriented control (RFO). The main features and advantages of the control system are summarised. It has been shown that both techniques can achieve high torque performance under certain operational conditions, and both have their particular advantages and disadvantages. The SMC scheme is disadvantaged due to the uncontrolled current transients and greater steady-state error. The RFO scheme is disadvantaged by greater parameter sensitivity and nonguaranteed decoupled control with transient flux dynamics. The selection of the controller will depend on the particular application.
Inspec keywords: machine theory; variable structure systems; PWM invertors; torque control; induction motor drives; machine vector control; machine control
Subjects: Control of electric power systems; Drives; Asynchronous machines; Power convertors and power supplies to apparatus; Multivariable control systems; Mechanical variables control
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