Reference Shaping for Model-Based Control of Biomass Grate Boilers

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

An established control strategy for biomass grate boilers based on a low-order nonlinear model is considered. Under ideal conditions, it achieves decoupled control of desired outputs by means of input–output linearization. The decoupling is gradually reduced and control performance deteriorates when actuator saturation occurs. This may be avoided by appropriately shaping the control strategy’s reference values. This contribution presents a method to do so by solving a sequence of linear programs. Its implementation requires the knowledge of typically unknown limits of mass-flows fed into the plant. An estimation strategy for these limits based on measurable quantities is thus proposed. Experimental data from three different scenarios is presented, in which the reference shaping improves tracking, mitigates wind-up phenomena and reduces emissions, respectively.
Originalspracheenglisch
Seiten (von - bis)173-184
FachzeitschriftControl engineering practice
Jahrgang82
DOIs
PublikationsstatusVeröffentlicht - Jan 2019

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Model-based Control
Biomass
Boilers
Actuator Saturation
Decoupling
Linear Program
Linearization
Nonlinear Model
Control Strategy
Experimental Data
Unknown
Scenarios
Actuators
Output

Schlagwörter

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    Reference Shaping for Model-Based Control of Biomass Grate Boilers. / Seeber, Richard; Gölles, Markus; Dourdoumas, Nicolaos; Horn, Martin.

    in: Control engineering practice, Jahrgang 82, 01.2019, S. 173-184.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

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