Simple on-line compensation scheme of nonlinearity in inverter-fed PMSM drive using MRAC and co-ordinate transformation

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Simple on-line compensation scheme of nonlinearity in inverter-fed PMSM drive using MRAC and co-ordinate transformation

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© The Institution of Engineering and Technology
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A simple on-line compensation scheme of nonlinearity in an inverter-fed PMSM drive using an MRAC-based disturbance estimation and co-ordinate transformation is presented. The disturbance voltage caused by the nonlinearity can be effectively estimated using the proposed scheme without any additional circuits or the disadvantages existing in the conventional methods. The asymptotic stability is proved and the effectiveness is verified through simulations.

Inspec keywords: machine control; permanent magnet motors; model reference adaptive control systems; asymptotic stability; synchronous motor drives

Other keywords: inverter-fed PMSM drive; online compensation scheme; disturbance voltage; MRAC-based disturbance estimation; asymptotic stability; coordinate transformation

Subjects: Synchronous machines; Control of electric power systems; Self-adjusting control systems; Stability in control theory; Drives

References

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      • Munoz-Garcia, A., Lipo, T.A.: `On-line dead-time compensation technique for open-loop PWM-VSI drives', Proc. IEEE Applied Power Electronics Conf., 1998, Anaheim, CA, USA, p. 95–100.
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      • H.S. Kim , K.H. Kim , M.J. Youn . On-line dead-time compensation method based on time delay control. IEEE Trans. Control Syst. Technol. , 2 , 279 - 285
    3. 3)
      • H.W. Kim , M.J. Youn , K.Y. Cho , H.S. Kim . Nonlinearity estimation and compensation of PWM VSI for PMSM under resistance and flux linkage uncertainty. IEEE Trans. Control Syst. Technol. , 4 , 589 - 601
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