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이성하(Sungha Lee),문두성(Dusung Moon),방성훈(Sunghun Bang),강호균(Hogyoun Kang),배상수(Sangsoo Pae),조성문(Sungmun Cho) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Fuel economy of the engine can be improved by reducing output pressure of the engine oil pump. This paper presents electronic pressure feedback control system which controls oil pressure of the engine lubrication system. We developed oil pressure feedback control system which runs according to engine operating condition by integrating variable oil pump, sensors and control logic. Dual-chamber type variable oil pump is controlled by proportional solenoid valve using hydraulic pressure of the engine oil. Evaluation result showed that fuel economy was improved by reducing oil pressure using developed continuously controlled variable oil pump system.