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Performance evaluation of MPC for Waste Heat Recovery applications using organic Rankine cycle systems
Hernandez Naranjo, Jairo Andrés
2016In hernandez, Andres (Ed.) Latin American control conference 2016, Medellin, Colombia, 13-15 October 2016
Peer reviewed
 

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Keywords :
Model Predictive control; Renewable energy systems; organic Rankine Cycle.
Abstract :
[en] Organic Rankine Cycle (ORC) technology has demonstrated to be a suitable tool for recovering waste heat at low temperatures. The fluctuating nature of the waste heat source (varying temperature and mass flow) makes of waste heat recovery applications a challenging task. In this contribution Model Predictive Control (MPC) and more classical PID-like controllers are investigated, where special attention is paid to the analysis of the control performance for heat source profiles coming from different applications. A dynamic model of a real regenerative ORC unit equipped with a single screw expander developed in the Modelica language is used to test and compare the PID and MPC based control strategies. Results show that for low amplitude variations PID and MPC can perform equally good, but in case of large variations MPC is a more effective control strategy as it allows a safer and more efficient operation, operating close to the boundary conditions where production is maximized.
Disciplines :
Mechanical engineering
Author, co-author :
Hernandez Naranjo, Jairo Andrés ;  Université de Liège - ULiège > Form. doct. sc. ingé. & techno. (aéro. & mécan. - Paysage)
Language :
English
Title :
Performance evaluation of MPC for Waste Heat Recovery applications using organic Rankine cycle systems
Publication date :
13 October 2016
Event name :
Latin American control conference 2016, Medellin, Colombia, 13-15 October 2016
Event organizer :
International Federation of Automatic Control
Event place :
Medellin, Colombia
Event date :
13-10-2016 to 15-10-2016
Audience :
International
Main work title :
Latin American control conference 2016, Medellin, Colombia, 13-15 October 2016
Author, co-author :
hernandez, Andres
ISBN/EAN :
978-958-8483-34-4
Peer reviewed :
Peer reviewed
Name of the research project :
project The Next Generation Organic Rankine Cycles (www.orcnext.be)
Funders :
IWT SBO-110006
Available on ORBi :
since 19 June 2017

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