Adaptive integral sliding mode fault‐tolerant control for diesel engine air path system via disturbance observer
Wenjie Wu,
Shaoping Wang,
Yuwei Zhang
et al.
Abstract:This paper proposes a fault‐tolerant control strategy for the air path system of a turbocharged diesel engine, considering the simultaneous presence of matched and mismatched external disturbances, additive and loss of effectiveness fault modes in the EGR and VGT subsystems. Firstly, a disturbance observer based on theory is designed for estimating additive faults and external disturbances, and the upper bound of observation error is obtained. Based on the observation information, an integral sliding mode sur… Show more
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