Marine LPG Engine Model for Control-Oriented Application

Computer, Consumer and Control（2012）

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Abstract

Engine model plays an important role in design and testing process of engine and its electronic control system. Based on the methodology of mean valve model, a nonlinear marine liquefied petroleum gas (LPG) engine model is proposed for control-oriented application. The model includes throttle model, intake manifold dynamic model, fuel delivery model, crankshaft speed model, air fuel ratio predicting model. The real-time simulation model of marine LPG engine was established by discrete similarity method, and applied to hardware in-the-loop simulation testing. The results show that the speed and accuracy of the model meet the real-time testing requirements of electronic control system.

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Key words

engines,fuel systems,manifolds,marine propulsion,marine systems,mechanical testing,nonlinear control systems,petroleum,shafts,valves,air fuel ratio predicting model,control-oriented application,crankshaft speed model,discrete similarity method,electronic control system,engine design process,engine testing process,fuel delivery model,hardware in-the-loop simulation testing,intake manifold dynamic model,marine LPG engine model,mean valve model,nonlinear marine liquefied petroleum gas engine model,real-time simulation model,throttle model,LPG,control,marine engine,model,simulation,

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