Research on Power Matching of Excavator's Electronically Controlled Diesel Engine and Electronically Controlled Hydraulic Pump under Different Working Conditions

through the characteristic analysis of electronically controlled diesel engine and electronically controlled pump, the control strategy to reasonably match the power of the whole power system is explored. Based on the typical working conditions of the electronically controlled diesel engine, the power matching method under different working conditions is adopted, and the power mode is divided into five gears. Under various modes, the working conditions are refined and the corresponding speed gears are set, so that the electronically controlled diesel engine can adapt to the load change within the whole speed range, facilitate the operation of the engine and maintain the best power utilization.