Impulsive control for permanent magnet synchronous motors with uncertainties: LMI approach |
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Authors: | Li Dong Wang Shi-Long Zhang Xiao-Hong and Yang Dan |
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Institution: | State Key Laboratories of Mechanical Transmission, Chongqing University, Chongqing 400030, China; College of Mathematics and Physics Science, Chongqing University, Chongqing 400030, China; College of Software Engineering, Chongqing University, Chongqing 400030, China |
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Abstract: | A permanent magnet synchronous motor (PMSM) may have
chaotic behaviours under certain working conditions, especially for
uncertain values of parameters, which threatens the security and
stability of motor-driven operation. Hence, it is important to study
methods of controlling or suppressing chaos in PMSMs. In this paper,
the stability of a PMSM with parameter uncertainties is investigated.
After uncertain matrices which represent the variable system
parameters are formulated through matrix analysis, a novel
asymptotical stability criterion is established by employing the
method of Lyapunov functions and linear matrix inequality
technology. An example is also given to illustrate the
effectiveness of our results. |
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Keywords: | permanent magnet synchronous motors impulsive control uncertainty linear matrix inequality |
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