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London has over 8,500 buses in operation, carrying six million passengers on 700 routes each day. In central London the majority of the bus fleet has been replaced by diesel-electric hybrid buses. In this study, we will investigate the degree of energy efficiency via practical on-road bus performance recordings, forming a foundation for future improvements to diesel and fuel cell hybrid bus design...
The paper presents an intelligent embedded system designed for aiding the starting process of the internal combustion engine of the LDE2100 locomotive. The system uses supercapacitors to reduce the strain on the main batteries increasing battery life. The higher charged supercapacitors also offer a higher degree of successful engine starts. Another advantage of the proposed system is the use of solid...
In this paper, system integration and power-flow management algorithms for a four-wheel-driven series hybrid electric vehicle (HEV) having multiple power sources composed of a diesel-engine-based generator, lead acid battery bank, and supercapacitor bank are presented. The super-capacitor is utilized as a short-term energy storage device to meet the dynamic performance of the vehicle, while the battery...
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