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Conference papers

Towards model-based control of a steam Rankine process for engine waste heat recovery

Abstract : Control plays a critical role in enabling good performance of Rankine processes for waste heat recovery from prime movers. Despite that, literature on control design for those systems is scarce, and there is a real need for investigating approaches that can be effective in an industrial context, where rapid control prototyping must be followed by a viable calibration procedure. The paper describes modeling and control of a pilot Rankine steam process for exhaust gas heat recovery from a spark-ignition engine, focusing in particular on the use of a reduced-order dynamic model of the system to compute a nonlinear feedforward action to better control the system during nominal operation. Model reduction is obtained at the heat-exchanger level. First, via the moving-boundary approach, which avoids the need for complex, finite-volume, models. Then, via a further reduction of the resulting evaporator model which captures its dominant dynamics. The proposed control system is validated on a detailed reference simulator using a demanding driving cycle.
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Contributor : Paolino Tona Connect in order to contact the contributor
Submitted on : Tuesday, October 22, 2013 - 9:42:17 AM
Last modification on : Saturday, June 25, 2022 - 10:06:40 AM
Long-term archiving on: : Thursday, January 23, 2014 - 4:23:06 AM




Johan Peralez, Paolino Tona, Antonio Sciarretta, Pascal Dufour, Madiha Nadri. Towards model-based control of a steam Rankine process for engine waste heat recovery. 2012 IEEE Vehicle Power and Propulsion Conference (VPPC), Oct 2012, South Korea. pp.289 - 294, ⟨10.1109/VPPC.2012.6422718⟩. ⟨hal-00875423⟩



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