Abstract
An ECU hardware-in-loop simulation system for electronic-controlled engine in better real-time and augmentability is built. We establish a dynamic average model of the electronic-controlled engine and put emphasis on analysing its fuel and oil slick modelmass flow model of intake manifold air and the sub-model of inlet manifold pressure. The engine model has fewer parameters and lower orders in order to adjust and set parameters; We propose a building program based on virtual instrument technology and adopts the chip TMS320F2812-DSP to design a signal interface system used to achieve the simulation for sensor signal and the collection of ECU output signal. Through the verification of simulating experimental data, it's proved that the established model of electronic-controlled engine has suitable steps and good real-time performance, building a good foundation for further experimental design and research in the future.
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