ISSN: 2536-4480

Year: 2017 Volume: 1 Issue: 4 Page: 190-197

doi: 10.15659/ijaat.17.09.550

MEAN VALUE DIESEL ENGINE MODELING, TRANSIENT VALIDATION AND AIR PATH CONTROL

TUĞBA TAPLI, FATİH KENDİR, UĞUR YAVAŞ

By the increasing electronic capability of engine control units (ECU), stringent emission limits and tight product development schedule, virtual engines and model based control algorithms have gained significant importance. In this study, 2.2 liter passenger car engine model was develop by using 0D physical equations of mass flow and thermodynamics. Even though the control oriented model of turbocharger and exhaust gas recirculation (EGR) was intended to be physical, in some sub modules such as turbine, black box modeling approach was taken to increase modeling efficiency. The resultant model was evaluated both in steady state and transient conditions by using the criteria called transient performance criteria (TPC) which was derived from normalized root mean square error. Finally, PID controllers were designed and refined to cope with non-linear response of diesel engine air path. It is clear that simple PID controllers may give sufficient results with gain scheduling methods and feedforward control. Even so, this study further focuses the smart tuning methods to save time and increase repeatability in the course of PID tuning

Anahtar Kelimeler (Keywords): mean, value, diesel

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