A unit pump test bench is developed on an in-line pump test platform. The bench is composed of pump adapting assembly, fuel supply subsystem, lubricating subsystem and a control unit. A crank angle domain injection co...A unit pump test bench is developed on an in-line pump test platform. The bench is composed of pump adapting assembly, fuel supply subsystem, lubricating subsystem and a control unit. A crank angle domain injection control method is given out and the control accuracy can be 0.1° crank degree. The bench can test both mechanical unit pump and electronic unit pump. A test model-PLD12 electronic unit pump is tested. Full pump delivery map and some influence factors test is done. Experimental results show that the injection quantity is linear with the delivery angle. The quantity change rate is 15% when fuel temperature increases 30 ℃. The delivery quantity per cycle increases 30 mg at 28 V drive voltage. The average delivery difference for two same type pumps is 5 %. Test results show that the bench can be used for unit pump verification.展开更多
为了提高车用电机控制器(Motor Control Unit,MCU)测试的效率,本文基于dSPACE平台,设计一套功率级硬件在环(PHIL)测试系统,将环境箱、冷却系统、高低压电源系统及dSPACE实时仿真机进行集成,并借助Configuration Desk、Control Desk等软...为了提高车用电机控制器(Motor Control Unit,MCU)测试的效率,本文基于dSPACE平台,设计一套功率级硬件在环(PHIL)测试系统,将环境箱、冷却系统、高低压电源系统及dSPACE实时仿真机进行集成,并借助Configuration Desk、Control Desk等软件开发上位机界面。试验表明:该测试系统具有精度高、稳定性强的特点,可提高测试效率,满足设计要求。展开更多
基金the Ministerial Level Advanced Research Foundation (404050301 .4)
文摘A unit pump test bench is developed on an in-line pump test platform. The bench is composed of pump adapting assembly, fuel supply subsystem, lubricating subsystem and a control unit. A crank angle domain injection control method is given out and the control accuracy can be 0.1° crank degree. The bench can test both mechanical unit pump and electronic unit pump. A test model-PLD12 electronic unit pump is tested. Full pump delivery map and some influence factors test is done. Experimental results show that the injection quantity is linear with the delivery angle. The quantity change rate is 15% when fuel temperature increases 30 ℃. The delivery quantity per cycle increases 30 mg at 28 V drive voltage. The average delivery difference for two same type pumps is 5 %. Test results show that the bench can be used for unit pump verification.
文摘为了提高车用电机控制器(Motor Control Unit,MCU)测试的效率,本文基于dSPACE平台,设计一套功率级硬件在环(PHIL)测试系统,将环境箱、冷却系统、高低压电源系统及dSPACE实时仿真机进行集成,并借助Configuration Desk、Control Desk等软件开发上位机界面。试验表明:该测试系统具有精度高、稳定性强的特点,可提高测试效率,满足设计要求。
