Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone

Joseph Bentsman; Yury Orlov; Luis T. Aguilar

doi:10.1109/acc.2013.6580434

Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone

Joseph Bentsman, Yury Orlov, Luis T. Aguilar

Centro de Investigación y Desarrollo de Tecnología Digital (CITEDI)

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

7 Citas (Scopus)

Resumen

Actuator nonidealities -backlash, deadzone, and others- severely degrade system performance. For example, in boiler/turbine units, the turbine valve position actuation for manipulating steam flow rate is characterized by a small mismatch between the turbine valve command and the actual valve position, producing a small steady state regulation error in the plant outputs. The standard linear H_∞- controller designed to provide zero steady state error regulation drives this error to zero, producing the undesirable oscillations in the control signals and the plant outputs. The present paper develops a nonsmooth H_∞-regulator theory addressing this problem and applies this theory to the experimentally validated boiler/turbine model with actuator deadzone. Simulation results showing a considerable performance improvement are given.

Idioma original	Inglés
Título de la publicación alojada	2013 American Control Conference, ACC 2013
Editorial	Institute of Electrical and Electronics Engineers Inc.
Páginas	3894-3899
Número de páginas	6
ISBN (versión impresa)	9781479901777
DOI	https://doi.org/10.1109/acc.2013.6580434
Estado	Publicada - 2013
Evento	2013 1st American Control Conference, ACC 2013 - Washington, DC, Estados Unidos Duración: 17 jun. 2013 → 19 jun. 2013

Serie de la publicación

Nombre	Proceedings of the American Control Conference
ISSN (versión impresa)	0743-1619

Conferencia

Conferencia	2013 1st American Control Conference, ACC 2013
País/Territorio	Estados Unidos
Ciudad	Washington, DC
Período	17/06/13 → 19/06/13

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10.1109/acc.2013.6580434

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Bentsman, J., Orlov, Y., & Aguilar, L. T. (2013). Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone. En 2013 American Control Conference, ACC 2013 (pp. 3894-3899). Artículo 6580434 (Proceedings of the American Control Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/acc.2013.6580434

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Bentsman, J, Orlov, Y & Aguilar, LT 2013, Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone. En 2013 American Control Conference, ACC 2013., 6580434, Proceedings of the American Control Conference, Institute of Electrical and Electronics Engineers Inc., pp. 3894-3899, 2013 1st American Control Conference, ACC 2013, Washington, DC, Estados Unidos, 17/06/13. https://doi.org/10.1109/acc.2013.6580434

Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone. / Bentsman, Joseph; Orlov, Yury; Aguilar, Luis T.
2013 American Control Conference, ACC 2013. Institute of Electrical and Electronics Engineers Inc., 2013. p. 3894-3899 6580434 (Proceedings of the American Control Conference).

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

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AB - Actuator nonidealities -backlash, deadzone, and others- severely degrade system performance. For example, in boiler/turbine units, the turbine valve position actuation for manipulating steam flow rate is characterized by a small mismatch between the turbine valve command and the actual valve position, producing a small steady state regulation error in the plant outputs. The standard linear H∞- controller designed to provide zero steady state error regulation drives this error to zero, producing the undesirable oscillations in the control signals and the plant outputs. The present paper develops a nonsmooth H∞-regulator theory addressing this problem and applies this theory to the experimentally validated boiler/turbine model with actuator deadzone. Simulation results showing a considerable performance improvement are given.

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Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone

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