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Convex optimization of charging infrastructure design and component sizing of a plug-in series HEV powertrain
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- Murgovski, Nikolce, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johannesson, Lars, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hellgren, Jonas, 1974 (author)
- Volvo Group
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- ISBN 9783902661937
- 2011
- 2011
- English.
- In: IFAC Proceedings Volumes (IFAC-PapersOnline). - 1474-6670. - 9783902661937 ; 18:PART 1, s. 13052-13057
- Conference paper (peer-reviewed)
Abstract
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- With the topic of plug-in HEV city buses, this paper studies the highly coupled optimization problem of finding the most cost efficient compromise between investing in onboard electric powertrain components and installing a charging infrastructure along the bus line. The paper describes how convex optimization can be used to find the optimal battery sizing for a series HEV with fixed engine and generator unit and a fixed charging infrastructure along the bus line. The novelty of the proposed optimization approach is that both the battery sizing and the energy management strategy are optimized simultaneously by solving a convex problem. In the optimization approach the power haracteristics of the engine-generator unit are approximated by a convex, second order polynomial, and the convex battery model assumes quadratic losses. The paper also presents an example for a specific bus line, showing the dependence between the optimal battery sizing and the number of charging stations on the bus line.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Keyword
- convex optimization
- plug-in series powertrain
- charging infrastructure
Publication and Content Type
- kon (subject category)
- ref (subject category)
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