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Superheating control of an Organic Rankine Cycle for recovering waste heat from an engine cooling system

Abstract : This paper proposes a set of strategies to control the superheat (SH) value of an Organic Rankine Cycle (ORC). This ORC corresponds to an experimental test bench aimed at developing a waste heat recovery system to be connected to the cooling circuit of a light-duty vehicle. Three strategies have been developed and tested experimentally. The first one is a linear control based on a PI controller valid for a given operating point. The second, valid for the same operating point, proposes an LPV (Linear Parameter-Varying) approach, less conservative and more accurate than the first one. Finally, a third strategy also using the LPV framework provides a controller valid in the full operating range of the test bench.
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Submitted on : Friday, August 7, 2020 - 2:23:08 PM
Last modification on : Thursday, September 17, 2020 - 3:10:17 AM

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Donatien Dubuc, Paolino Tona. Superheating control of an Organic Rankine Cycle for recovering waste heat from an engine cooling system. Control Engineering Practice, Elsevier, 2020, 101, pp.104519. ⟨10.1016/j.conengprac.2020.104519⟩. ⟨hal-02913074⟩

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