【Abstract】 In order to meet the requirements of China's air pollution prevention and control law for the emission of vehicle diesel engines, an electronic control system of variable pre-stroke pump was developed in light of the current development of diesel engines in China. In this paper, the overall design of the electronic control system of variable pre-stroke pump and the development of electronic control unit (ECU) software were studied. The matching and calibration tests of the electrically controlled variable pre-stroke pump were carried out for CA6110 diesel engine. Variable pre-stroke pump electronic control system, a good overall performance, its application for direct injection diesel engine performance improvement has raised a lot of potential;
【Key words】 Diesel engine; Fuel injection pump; Electronic control system; Software;
Tsinghua University, State Key Laboratory of Automotive Safety and Energy Wang Hongqiao Changchun Automobile Institute Li Jun Jilin University of Technology Liu Jun;
【Abstract】 In order to meet the demands of China Air Act on automotive diesel engine exhaustemissions, an electronic control system for variable pre-stroke fuel injection pump (VPSFIP) of automotive direct injection diesel engine was developed in accordance with the technical level of China diesel industry. Layout of electronic control system for VPSFIP, developments of software for electronic control unit (ECU) are presented. Match and calibration tests were done for CA 6110 diesel en-gine. Test results showed a good overall performance of the variable pre-stroke pump electronic control system. Its application provides the potentiality for improved performances of DI diesel;
【Key words】 Diesel engine; Fuel injection pump; Electronic control system; Software;
[Author] Wang Hongqiao, Li Jun, Liu Xunjun
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