| Nearly a half century, energy has become of the important factors of international political, economic and development pattern.The entire human society facing oil resources are depleting Earth's reality. A worldwide deal has yet to have a reliable means of depletion of oil resources, therefore, to save energy and reduce consumption of oil resources is technical improvements. The electronic control technology of high pressure common rail diesel engine has become the inevitable trend of development.With the analysis of system's structure and control principle, control strategy research has been done, including pressure control strategy and injection control strategy. The injection control includes fule injection quantity control, injection timing control and injection rate control.The precise pressure control is the premiss for many other parameters's optimal control, at starting condition, it requests establishment of rail pressure speedly; after starting, it should adapt to the changes of working conditions, and maintain stability. In order to control pressure better, PID, Fuzzy-Neural PID control algorithm have been contrasted, the simulation analysis and development board experiment have proved that Fuzzy-Neural PID control algorithm is more effective.Finally, in order to verify control strategy, on the basics of deeply study of non-linear transient-state diesel engine, a non-turbochcharger transient diesel engine model was developed based on Matlab/Simulink. The model includes ventilation model of diesel engine, oil-supply model of diesel engine, mechanical loss model of diesel engine, combustion model of diesel engine, heat transfer model of diesel engine, dynamic model of diesel engine and speed control system model of diesel engine. The simulation not only can react the dynamic process of abrupt change in speed, but also can finish the development of complicated control strategies.
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