Discrete-event models (DEM) of selected engine subsystems are described in this chapter. The input and output signals of these systems are not defined or not relevant for all time, but only at certain discrete instances. Thus, the system behavior associated with the sampling of the signals, the delays caused by the timing relations and the interaction with the ECU, which operates in a discrete-time/event way as well, become important.
KeywordsEngine Speed Exhaust Valve Intake Valve Spark Ignite Engine Engine Torque
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