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Model-Based Control for High-Pressure Fuel Pumps
Yoichi Iihoshi,Shin Yamauchi,Ryusei Miura,Yoshikuni Kurashima,Toshio Hori 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This document describes a model-based controller for a high-pressure fuel system on a direct injection engine. This controller drives a high-pressure fuel pump with an inverse pump model and keeps injection pressure under control with a disturbance observer and a proportional (P) controller. The designed controller is a two-degrees-of-freedom control that can improve step response time and nominal pulsation at the same time. Theeffectiveness of the proposed method is investigated using real engine experiments and produces successful results compared with a PI controller.