SAE technical papers on CD-ROM/SAE technical paper series · 2008 · 24 citations · 3 references
EngineeringAutomotive EngineeringMechanical EngineeringInternal Combustion EnginesPowertrain EngineeringProcess ControlControl TheoryDiesel TechnologyEngine Control SystemsEngine PerformanceEngine Performance CharacteristicsEngine SystemsDiesel Engine ControlDiesel Engine OperationDiesel EnginesTurbochargingTurbocharging ArchitectureTurbocharging ModelingTurbocharging Systems
<div class="htmlview paragraph">A plateau self-adapted turbocharging system based on variable geometry turbocharger (VGT) technology is proposed to solve the problem of diesel engine operating at plateau. The control strategy of the plateau self-adapted turbocharging system is studied using a GT-Power engine model. The control strategy is based on the optimization of the VGT nozzle vane position at various engine operating conditions and various altitudes. Simulation results show that by optimizing the matching and controlling the VGT, the performance of the engine matched with VGT can be improved significantly compared with the one matched with FGT (fixed geometry turbocharger) at various altitudes. Surge and overspeed phenomena of the turbocharger can also be avoided.</div>
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