Title
Constrained multivariable extremum-seeking for online fuel-efficiency optimization of Diesel engines
Author
van der Weijst, R.
van Keulen, T.
Willems, F.P.T.
Publication year
2019
Abstract
This work presents a new method for online fuel-efficiency optimization of Diesel engines, using constrained extremum-seeking. A two-input optimization problem, which is suitable for extremum-seeking, is integrated into a tracking control system. As a result, both air-path and fuel-path actuators are used for tracking and extremum-seeking. A key element of the proposed method is a cost function based on real-time BSFC estimation. Moreover, an existing constrained extremum-seeking method is extended to multiple output constraints. Experiments on a Euro-VI heavy-duty Diesel engine demonstrate the constraint handling, robustness with respect to real-world disturbances, and the fuel saving potential of the control design.
Subject
Safe and Clean Mobility
Mobility
Extremum-seeking
Constraint handling
Multivariable control
Real-time optimization
Diesel engine control
Fuel-efficiency optimization
Real-world driving emissions
To reference this document use:
http://resolver.tudelft.nl/uuid:d667802e-bdde-40cb-a25b-0c60ecb35d66
TNO identifier
866871
Publisher
Elsevier, Amsterdam
ISSN
9670-661
Source
Control Engineering Practice, 87, 133-144
Document type
article