DSP-based robust control of an ac induction servo drive for motion control

Ying-Yu Tzou*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


A design method based on the internal model control (IMC) theory has been developed for the robust control of a low-power ac induction servo drive in application of high-performance motion control system. Indirect vector control with software current control technique has been developed to achieve fast response decoupling control of the induction motor. An equivalent model representing the control dynamics of the decoupled ac induction motor is used for the analysis and synthesis of the IMC controller. To improve the control performance of the servo drive with given frequency-domain robustness specifications, a design procedure for the servo controller is developed based on the IMC theory. The proposed control scheme has been realized using a single-chip digital signal processor (DSP) TMS320C14 from Texas Instruments. Experimental results are given to verify the proposed design method.

Original languageEnglish
Article number541691
Pages (from-to)614-626
Number of pages13
JournalIEEE Transactions on Control Systems Technology
Issue number6
StatePublished - Nov 1996


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