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Rail pressure controller design of GDI basing on predictive functional control

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Abstract

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.

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Correspondence to Lei Xie.

Additional information

This work was supported by the National Key R&D Program of China (No. 2018YFB1701102) and the Natural Science Foundation of Zhejiang, China (No. LR17F030002).

Zhiming ZHANG was born in 1994. He received a B.Sc. degree in Automation from Zhejiang University, Hangzhou, China, in 2017. He is currently pursuing the Ph.D. degree at the Institute of Cyber-Systems and Control in Zhejiang University. His current research interests include model predictive control, autonomous vehicle and optimization.

Lei XIE received a B.Sc. degree in 2000 and a Ph.D. in 2005 from Zhejiang University, China. Between 2005 and 2006, he was a postdoctoral researcher at Berlin University of Technology, an Assistant Professor between 2005 and 2008 and is currently a Professor at the Department of Control Science and Engineering, Zhejiang University. His research interests focus on the interdisciplinary area of statistics and system control theory.

Hongye SU received the B.Sc. degree in Industrial Automation from the Nanjing University of Chemical Technology, Jiangsu, China, in 1990 and the M.Sc. and Ph.D. degrees from Zhejiang University, Hangzhou, China, in 1993 and 1995, respectively. He was a Lecturer with the Department of Chemical Engineering, Zhejiang University from 1995 to 1997, where he was an Associate Professor with the Institute of Advanced Process Control from 1998 to 2000, and currently a Professor with the Institute of Cyber-Systems and Control. His current research interests include the robust control, time-delay systems, and advanced process control theory and applications.

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Zhang, Z., Xie, L. & Su, H. Rail pressure controller design of GDI basing on predictive functional control. Control Theory Technol. 17, 176–182 (2019). https://doi.org/10.1007/s11768-019-8243-1

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  • DOI: https://doi.org/10.1007/s11768-019-8243-1

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