AAC 2019 Paper Abstract

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Paper TuBT3.2

Hirata, Mitsuo (Utsunomiya University), Hayashi, Tomofumi (Utsunomiya University), Takahashi, Motoki (the University of Tokyo), Yamasaki, Yudai (The University of Tokyo), KANEKO, SHIGEHIKO (The University of Tokyo)

A Nonlinear Feedforward Controller Design Taking Account of Dynamics of Turbocharger and Manifolds for Diesel Engine Air-Path System

Scheduled for presentation during the Regular Session "Engine control : Alternative Fuels" (TuBT3), Tuesday, June 25, 2019, 15:05−15:25, Chamerolles

9th IFAC International Symposium on Advances in Automotive Control, June 23-27, 2019, Orléans, France

This information is tentative and subject to change. Compiled on March 28, 2024

Keywords Air-path control

Abstract

In this study, we propose a design method of a model-based nonlinear feedforward controller for a diesel engine air-path system. First, a physical air-path model of the diesel engine was developed. Then, a feedforward controller was developed based on the inverse characteristics of the developed physical model. To improve the transient responses of the boost pressure and EGR ratio, the response delay of the turbocharger and manifolds dynamics were considered while designing the feedforward controller. The effectiveness of the proposed method was evaluated by conducting experiments using a real diesel engine. The experimental results indicated a good tracking performance for both the boost pressure and EGR ratio.

 

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