Discrete-time nonlinear observer and output feedback design for a combustion engine test bench

Dina Shona Laila; E. Grunbacher

doi:10.1109/CDC.2008.4738943

Discrete-time nonlinear observer and output feedback design for a combustion engine test bench

Dina Shona Laila, E. Grunbacher

School of Mechanical, Aerospace and Automotive Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding

9 Citations (Scopus)

Abstract

Combustion engine control design depends strongly on the availability and the quality of the measurement of quantities involving in the controller construction. In general, not all quantities are available through direct measurement, and therefore an observer is often necessary to realize the controller. In this paper, a discrete-time partial state observer design for a combustion engine test bench is proposed. The observer is used to estimate the torque and the torsion angle of the engine, based on the measurement of the engine and the dynamometer speeds. The convergence of the observer is shown, and separation principle is also proved. The observer is used for constructing an output feedback controller for set point tracking of the test bench. Some numerical simulations are performed, showing the performance of the observer and also comparing the performance of the output feedback controller with the state feedback controller. A discussion, comparing a so called ¿static observer¿ and a ¿dynamic observer¿ which are possible to construct using the same approach, is also presented.

Original language	English
Title of host publication	2008 47th IEEE Conference on Decision and Control
Publisher	IEEE
Pages	5718-5723
Number of pages	6
ISBN (Electronic)	978-1-4244-3124-3
ISBN (Print)	978-1-4244-3123-6
DOIs	https://doi.org/10.1109/CDC.2008.4738943
Publication status	Published - 2009
Event	47th IEEE Conference on Decision and Control - Cancun, Mexico Duration: 9 Dec 2008 → 11 Dec 2008 https://ieeexplore.ieee.org/xpl/conhome/4721212/proceeding

Publication series

Name	Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes
Publisher	IEEE
ISSN (Print)	0191-2216

Conference

Conference	47th IEEE Conference on Decision and Control
Country/Territory	Mexico
City	Cancun
Period	9/12/08 → 11/12/08
Internet address	https://ieeexplore.ieee.org/xpl/conhome/4721212/proceeding

Bibliographical note

The full text is currently unavailable on the repository.

Keywords

Output feedback
Combustion
Engines
Testing
Observers
Control design
Torque measurement
Velocity measurement
Convergence
Numerical simulation
state feedback
control system synthesis
discrete time systems
internal combustion engines
nonlinear control systems
state feedback controller
discrete-time nonlinear observer
output feedback design
combustion engine control design
controller construction
discrete-time partial state observer design
observer convergence
output feedback controller
Static and dynamic observers
Combustion engine test bench control
Controller redesign
Discrete-time systems
Extended Hammerstein systems
Setpoint tracking

Access to Document

10.1109/CDC.2008.4738943

Cite this

Discrete-time nonlinear observer and output feedback design for a combustion engine test bench. / Laila, Dina Shona; Grunbacher, E.

2008 47th IEEE Conference on Decision and Control. IEEE, 2009. p. 5718-5723 (Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding

Laila, DS & Grunbacher, E 2009, Discrete-time nonlinear observer and output feedback design for a combustion engine test bench. in 2008 47th IEEE Conference on Decision and Control. Proceedings of the IEEE Conference on Decision & Control, including the Symposium on Adaptive Processes, IEEE, pp. 5718-5723, 47th IEEE Conference on Decision and Control, Cancun, Mexico, 9/12/08. https://doi.org/10.1109/CDC.2008.4738943

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AB - Combustion engine control design depends strongly on the availability and the quality of the measurement of quantities involving in the controller construction. In general, not all quantities are available through direct measurement, and therefore an observer is often necessary to realize the controller. In this paper, a discrete-time partial state observer design for a combustion engine test bench is proposed. The observer is used to estimate the torque and the torsion angle of the engine, based on the measurement of the engine and the dynamometer speeds. The convergence of the observer is shown, and separation principle is also proved. The observer is used for constructing an output feedback controller for set point tracking of the test bench. Some numerical simulations are performed, showing the performance of the observer and also comparing the performance of the output feedback controller with the state feedback controller. A discussion, comparing a so called ¿static observer¿ and a ¿dynamic observer¿ which are possible to construct using the same approach, is also presented.

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KW - Velocity measurement

KW - Convergence

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Discrete-time nonlinear observer and output feedback design for a combustion engine test bench

Abstract

Publication series

Conference

Bibliographical note

Keywords

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