Abstract
Permanent Magnet Synchronous Motor (PMSM) displays chaotic phenomenon when PMSM in power on or power off. At present, there are many methods to control chaos in PMSM. However, there appears oscillation in course of control chaos in PMSM, which has an effect on practical application. This paper proposes error control based on adaptive backstepping to control chaos in PMSM; an error control item is added in each step virtual control design which has control effect of unknown dynamical error on system. This scheme can eliminate oscillation in course of control chaos. Finally, the simulation results show the effectiveness of theoretical analysis.
Highlights
Research on Permanent Magnet Synchronous Motor (PMSM) has been going on for many years due to the fact that they have many advantages over the conventional internal combustion engine vehicle, such as independence from petroleum, reliability and quiet [1]-[3]. there appear phenomena of chaos in PMSM when PMSM in turn on or turn off [4] [5]
The high performance of PMSM depends on the absence of chaos so it is important for PMSM to control chaos [6] [7]
Chang et al proposed dither signal to quenching chaos of a permanent magnet synchronous motor in electric vehicles [22]
Summary
Research on PMSM has been going on for many years due to the fact that they have many advantages over the conventional internal combustion engine vehicle, such as independence from petroleum, reliability and quiet [1]-[3]. Yu et al proposed backstepping control for the chaotic permanent magnet synchronous motor drive system [21]. C. Chang et al proposed dither signal to quenching chaos of a permanent magnet synchronous motor in electric vehicles [22]. Chang et al proposed dither signal to quenching chaos of a permanent magnet synchronous motor in electric vehicles [22] These methods appear oscillation in course of control chaos in PMSM which has an effect on practical application. An error control item is added in the each step virtual control design which has control effect of unknown dynamical error on system This scheme can gain more smoothly chaotic stabilization process and overcome oscillation in course of control chaos in PMSM.
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