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Output feedback based sliding mode control of active suspension using backstepping

Abstract : The presence of nonlinearity in the dynamics of a suspension system equipped with a hydraulic actuator and faced with road perturbations makes its control difficult. To provide an effective control action, a robust observer based output feedback control is proposed. For the estimation of the states in the presence of nonlinearities and perturbations a High Gain Observer is first designed. Employing the estimated system dynamics, an integral sliding mode control based on the back-stepping technique is then derived. The closed loop stability is analyzed under Lipschitz conditions for the nonlinearities.
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https://hal-uphf.archives-ouvertes.fr/hal-03417093
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Submitted on : Friday, November 5, 2021 - 3:02:26 PM
Last modification on : Saturday, November 6, 2021 - 4:22:02 AM

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Jagat Jyoti Rath, Kalyana Chakravarthy Veluvolu, Michael Defoort. Output feedback based sliding mode control of active suspension using backstepping. 2015 3rd International Conference on Control, Engineering & Information Technology (CEIT), May 2015, Tlemcen, Algeria. pp.1-6, ⟨10.1109/CEIT.2015.7233110⟩. ⟨hal-03417093⟩

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