Rail pressure controller design of GDI basing on predictive functional control
Zhiming ZHANG
Lei XIE
Hongye SU
摘要：Gasoline direct injection (GDI) is a pivotal technique for a highly efficient engine.However,how to maintain a stable rail pressure which offers good fuel economy and low emissions,is still a challengeable work.In this paper,a rail pressure controller is designed basing on predictive functional control (PFC),a model predictive control (MPC) method,to surmount the nonlinearity and discontinuity brought by the common rail pressure system (CRPS).A control-oriented piecewise linear model is presented to simplify the CRPS.The simulation results on a benchmark show that rail pressure tracks the setpoint accurately even with some perturbations.Profiting from the conciseness of PFC algorithm,the controller can compute the online solution in a short time,which makes it possible to realize the strategy on a fast response system.
机标关键词：
资助基金：the National Key R&D Program of China(2018YFB1701102)the Natural Science Foundation of Zhejiang,China(LR17F030002)
论文发表日期：2019-01-01
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
页数：7( 176-182 )
英文信息