Adaptive super twisting extended state observer based sliding mode control for diesel engine air path subject to matched and unmatched disturbance

Guermouche Mohamed, Ahmed Ali Sofiane and Langlois Nicolas

Mathematics and Computers in Simulation (MATCOM), 2018, vol. 151, issue C, 111-130

Abstract: This paper develops an Adaptive super twisting extended state observer (Asteso) based sliding mode control for diesel engine air path, system subject to matched and unmatched disturbances. The main advantage of the proposed Asteso observer is its capability to estimate simultaneously the matched and the unmatched disturbances affecting the Turbocharged diesel engine (Tde) air path without knowing precisely their bounds. The disturbances estimations provided by the Asteso are incorporated in a composite controller which has two main advantages in terms of alleviating the chattering problem and maintaining the nominal performance of the system in the absence of disturbances. Simulations results of the proposed controller on a recently validated experimental air path diesel engine model, show the efficiency of the approach in terms of tracking performance and robustness facing model parametric uncertainties and Tde air path actuators faults.

Keywords: Adaptive super twisting extended state observer; Nominal performance recovery; Sliding-mode control (smc) (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:151:y:2018:i:c:p:111-130

DOI: 10.1016/j.matcom.2018.03.004

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