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Collaborative distributed sun-tracking control system for building integration with minimal plant area and maximum energy-conversion efficiency
Electronic System Group, Illes Balears University, Spain .
Physics Department, Illes Balears University, Spain.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems. Mathematics and Computer Science Dept, Illes Balears University, Spain .ORCID iD: 0000-0002-4987-7669
Physics Department, Illes Balears University, Spain .
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2015 (English)In: International Journal of Electrical Power & Energy Systems, ISSN 0142-0615, E-ISSN 1879-3517, Vol. 70, p. 52-60Article in journal (Refereed) Published
Abstract [en]

This paper presents a collaborative distributed sun-tracking control system for a novel Fixed Mirror Solar Concentrator (FMSC) structure, which increases the energy-conversion efficiency of the FMSC and reduces the space between solar collectors units, a positive aspect for in-building integration. The improved FMSC uses solar concentration collectors suited for mid-range thermal applications (90-200 °C) and is designed for easy installation in buildings because of its relatively small extension. The proposed solar orientation system (ORSYS) relies on a two-step algorithm to increase the energy captured by the receiver, which provides tolerance to common logical and mechanical errors in the estimation of the receiver position. ORSYS is implemented as a CAN-based distributed system, extended with web-interface features for supervision and configuration of the overall system. ORSYS also includes a coordination algorithm that allows adjacent collectors to share the physical space between them, thus reducing the total plant area. Experimental evaluation has been performed using an industrial-scale solar collector prototype, showing its feasibility and efficiency in terms of energy conversion in real environments.

Place, publisher, year, edition, pages
2015. Vol. 70, p. 52-60
Keywords [en]
Distributed control systems, Fixed Mirror Solar Concentrator, Medium range temperature, Sun-tracking control, Concentration (process), Control systems, Conversion efficiency, Distributed parameter control systems, Energy conversion, Energy efficiency, Mirrors, Navigation, Solar collectors, Solar concentrators, Building integration, Coordination algorithms, Experimental evaluation, Medium range, Solar concentration, Sun-tracking, Thermal applications, Two-step algorithms, Collector efficiency
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-27677DOI: 10.1016/j.ijepes.2015.01.038ISI: 000351784800007Scopus ID: 2-s2.0-84923336854OAI: oai:DiVA.org:mdh-27677DiVA, id: diva2:793406
Available from: 2015-03-06 Created: 2015-03-06 Last updated: 2017-12-04Bibliographically approved

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Rodriguez-Navas, G.

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