AbstractThis study is concerned with the thrust regulation and safety protection problem for aeroengines, and a state-based switching control strategy is proposed. Specifically, the multiloop switching control framework of aeroengines is first presented, and the framework is based on switching logic and bumpless transfer. Then for the key technologies, a switching logic design that can determine which candidate controller should be put in feedback loop with the plant to achieve a desired regulation or protection performance is given. Moreover, an extended bumpless transfer design is developed for the switched system with time-varying delay and external disturbance, which can ensure that the aeroengine multiloop system performs a smooth transition at the subcontroller transfer moment. Finally, the proposed switching control strategy is applied to an aeroengine control model. As a case study, the simulations are performed to show an excellent thrust regulation and over-temperature protection performance.
State-Based Switching Control Strategy with Application to Aeroengine Safety Protection
Journal of aerospace engineering ; 28 , 3
2015
Article (Journal)
English
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