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An Approach to Develop Energy Efficient Operation Strategies and Derivation of Requirements for Vehicle Subsystems Using the Vehicle Air Conditioning System as an Example

Fritz, M.; Gauterin, F. ORCID iD icon; Frey, M. ORCID iD icon; Weßling, J.; Wohlfarth, E.; Oberfell, R.

Abstract (englisch):

Rising oil prices and increasing strict emission legislation force vehicle manufacturers to reduce fuel consumption of future vehicles. In order to meet this target, the process of converting fuel into useable energy and the use of this energy by the different energy-consuming vehicle's subsystems have to be examined. Vehicles' subsystems consist of energy-supplying, energy-consuming, and in some cases energy-storing components. Due to the high complexity of these systems and their interaction, optimization of their energy efficiency is a challenging task. By introducing individual operational strategies for each subsystem, it is possible to increase the energy efficiency for a specific function. To further improve the vehicle's overall energy efficiency, holistic control strategies are introduced that distribute the energy between the subsystems intelligently. To exhaust the whole potential of a holistic control a certain number of degrees of freedom between energy supply and consumption are necessary. This is particularly relevant for subsystems that consume large amounts of energy. To solve this problem, a new methodical approach is being presented. ... mehr


Originalveröffentlichung
DOI: 10.4271/2013-01-0568
Dimensions
Zitationen: 2
Zugehörige Institution(en) am KIT Institut für Fahrzeugsystemtechnik (FAST)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2013
Sprache Englisch
Identifikator KITopen-ID: 1000036571
Erschienen in SAE World Congress, Detroit, Michigan/USA, April 16-18, 2013
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