The Sliding Mode Variable Structure Control Method for Brushless DC Motors

Xi Jie Yin; Jian Guo Xu

doi:10.4028/www.scientific.net/AMM.596.584

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 596The Sliding Mode Variable Structure Control Method...

The Sliding Mode Variable Structure Control Method for Brushless DC Motors

Abstract:

The sliding mode variable structure control method for brushless DC motors with uncertain external disturbances and unknown loads is studied. A neural sliding mode control scheme is proposed for reducing chattering of sliding mode control. A global sliding mode manifold is designed in this approach, which guarantees that the system states can be on the sliding mode manifold at initial time and the system robustness is increased. A radial basis function neural network (RBFNN) is applied to learn the maximum of unknown loads and external disturbances. Based on the neural networks, the switching control parameters of sliding mode control can be adaptively adjusted with uncertain external disturbances and unknown loads. Therefore, the chattering of the sliding mode controller is reduced. Simulation results proved that this control scheme is valid.

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Periodical:

Applied Mechanics and Materials (Volume 596)

Pages:

584-589

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.596.584

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Online since:

July 2014

Authors:

Xi Jie Yin, Jian Guo Xu

Keywords:

Chattering, Neural Network (NN), Sliding Mode Control, Sliding Mode Manifold

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References

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