EGR Rate Estimation for Cylinder Air Charge in a Turbocharged Diesel Engine using an Adaptive Observer Hanyang Univ

Format:

Conference/Event

Author/Creator:

Lee, Lee, author.

Contributor:

Hong, Seungwoo

Lee, Minkwang

Park, Yeongseop

Sunwoo, Myoungho

Conference Name:

SAE 2013 World Congress & Exhibition (2013-04-16 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2013

Summary:

This paper presents an exhaust gas recirculation (EGR) rate estimation algorithm for a turbocharged diesel engine. Accurate estimation of the EGR rate is important for precise air system control of a diesel engine. In order to estimate the EGR rate accurately, we developed an adaptive observer using a model reference identification scheme (MRIS). A linear parameter varying model for the intake manifold pressure dynamics is derived as the reference model for the adaptive observer. The intake and exhaust temperature models are developed through an empirical approach. The MRIS is used to design an update rule for the adaptive observer. Convergence of the proposed observer is proven by using the Lyapunov stability criterion. The proposed observer is implemented in a real-time embedded system and validated via engine experiments

Notes:

Vendor supplied data

Publisher Number:

2013-01-0246

Access Restriction:

Restricted for use by site license