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Nonlinear output feedback and periodic disturbance attenuation for a speed tracking of a combustion engine test bench

Nonlinear output feedback and periodic disturbance attenuation for a speed tracking of a combustion engine test bench
Nonlinear output feedback and periodic disturbance attenuation for a speed tracking of a combustion engine test bench
The quality of control actions depends strongly on the availability and the quality of signals to construct the controller. While most control design tools assume all states, hence signals, are measurable, this is often unrealistic. An observer is often necessary to use in controller implementation. This paper proposes a reduced order observer design and output feedback control for a class of nonlinear systems, namely extended Hammerstein systems. We apply the proposed design to a combustion engine testbench, to solve a set point tracking problem. As in real practice the measured signals are often affected by periodic disturbance from combustion oscillations, the controller is extended with an internal model based filter, to remove the effect of the disturbance. Some simulation results are presented, comparing the performance of the proposed output feedback with the state feedback controller.
0005-1098
29-36
Laila, Dina Shona
41aa5cf9-3ec2-4fdf-970d-a0a349bfd90c
Gruenbacher, Engelbert
235c4b75-943d-4ac5-9345-e30e1aa19abe
Laila, Dina Shona
41aa5cf9-3ec2-4fdf-970d-a0a349bfd90c
Gruenbacher, Engelbert
235c4b75-943d-4ac5-9345-e30e1aa19abe

Laila, Dina Shona and Gruenbacher, Engelbert (2016) Nonlinear output feedback and periodic disturbance attenuation for a speed tracking of a combustion engine test bench. Automatica, 64, 29-36. (doi:10.1016/j.automatica.2015.10.054).

Record type: Article

Abstract

The quality of control actions depends strongly on the availability and the quality of signals to construct the controller. While most control design tools assume all states, hence signals, are measurable, this is often unrealistic. An observer is often necessary to use in controller implementation. This paper proposes a reduced order observer design and output feedback control for a class of nonlinear systems, namely extended Hammerstein systems. We apply the proposed design to a combustion engine testbench, to solve a set point tracking problem. As in real practice the measured signals are often affected by periodic disturbance from combustion oscillations, the controller is extended with an internal model based filter, to remove the effect of the disturbance. Some simulation results are presented, comparing the performance of the proposed output feedback with the state feedback controller.

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Accepted/In Press date: 1 September 2015
Published date: February 2016
Organisations: Mechatronics

Identifiers

Local EPrints ID: 338197
URI: http://eprints.soton.ac.uk/id/eprint/338197
ISSN: 0005-1098
PURE UUID: ff4e6e85-dbae-4b3e-af1e-c068f1d8d56e

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Date deposited: 10 May 2012 15:08
Last modified: 14 Mar 2024 11:02

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Contributors

Author: Dina Shona Laila
Author: Engelbert Gruenbacher

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