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The paper deals with proposal and simulations of the high efficiency and high-power switching power supply suited for hi-fi audio amplifiers in automotive applications. Main focus is given on specific requirements, which are needed in the automotive segment, low voltage input must be considered. The presented article describes design of the main topology and its parameters. Key operational characteristics...
This paper dals with design of optimized electronic control for diesel engines for all-terrain vehicles. In paper the detailed proposal of control algorithm, as well as procedure for turbocharger innovation is described. Designed optimization algorithm is verified on real Land Rover Defender vehicle. In last part of paper, the measurements on electrodynamic dynamometer are discussed.
This paper deals with electric compensation servo system which serves as an upgrade for existing turbocharger vacuum pressure regulation, particularly for low-volume engines. Proposed servosystem is suitable for variable geometry turbocharger or variable nozzle turbocharger. Servo system comprises from control unit which is attached to the signal conditioner and to the microprocessor. The microprocessor...
This paper deals with description of the use of electrically powered compressor for a turbocharged internal combustion engine. The main purpose for use of electrically powered compressor is an improvement of transient engine behavior and increase of the boost pressure at low engine speeds. The compressor is driven by high speed switched reluctance machine, while in this paper the control scheme is...
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