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A split-parallel hybrid electric vehicle (HEV) is a particular sub-type of the HEV in which the internal combustion engine (ICE) and electric motor provide propulsion power to different axles. Due to the coupling of power through the vehicle itself, its wheels and the road on which it moves — rather than through some mechanical device — the vehicle is referred to as a ‘through-the-road’ (TTR) hybrid...
This paper discusses the development of an energy management and supervisory control system (EMS) for a hybrid electric vehicle (HEV). It is built on National Instruments' CompactRIO embedded controller and LabVIEW Real-Time software platform. The EMS functions as the primary vehicle controller whose objective is to achieve optimal operation of the hybrid propulsion system — reduced fuel consumption...
A vehicle propulsion system based on internal combustion engine (ICE) includes a throttle body whose function is to regulate the amount of air-fuel intake into the engine to vary the engine's power and thus vehicle acceleration. A mechanical throttle valve body attached to the ICE's air intake manifold is linked to the driver's accelerator pedal via mechanical cable. An alternative system is based...
Implementation of natural gas as the fuel of internal combustion engine is increasing in order to discover the environmental friendly technology. However, there is a drawback in implementing natural gas as fuel which is engine power output. To overcome this drawback, improving combustion process of natural gas by regulating spray parameter is a way to increase the engine power output and reduce emission...
This paper tries to characterize the spray of gasoline-ethanol blends using schlieren imaging technique and image processing. Five different gasoline-ethanol fuel blend rates by volume are prepared. The Image of the spray is captured using schlieren imaging technique and image processing is employed to extract macro spray characteristics- spray tip penetration and spray cone angle. Based on the extracted...
Starting a free-piston linear engine-generator (LG) involves reciprocating a freely moving piston-magnet-translator assembly between two oppositely placed engine cylinders for combustion to occur. The machine is operated as a brushless linear motor to produce the required motion. However, due to the very large peak compression force during starting, limited current rating of stator coils and insufficient...
In the traditional decision making process, in order to solve a problem, every possible solution will be generated and evaluated. The most optimum decision will be selected. However, this approach is unsuitable for urgent decision making, due to the time needed to evaluate all option. This project propose Temporal Case Based Reasoning (TCBR) technique to support dam technician in deciding which reservoir...
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