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Fossil fuel depletion risk forecasting and growing environmental concerns are strong impetus for developing higher efficient transportation system nowadays. Hybridization is considered as one of the most efficient short and mid-term solutions. In particular, series hydraulic hybrid configuration provides a further advantage when it provides more degree of freedom of engine control. However, low energy...
Electric vehicle technology opens doors to a wide range of research and improvement possibilities which can be used to develop a High Performance Full Electric Competition Car. However, in our modern-day society, there are numerous prejudices against electric vehicles which lead to their slow introduction in the market. In this context, IDIADA has been commissioned to build Volar-e with the aim to...
Vehicle energy-saving is important to relieve source shortage and protect environment. This article mainly discusses the control of parallel hydraulic hybrid heavy vehicle (PHHHV), which uses hydraulic components to recycle the brake energy. Through analyzing the two power sources and two brake systems in the PHHHVs, the control rules have been brought out. By logic threshold value control strategy,...
To simplify the modeling process and to increase accuracy and stability of CVT ratio control system, CVT transmission structure and ratio changing theory were analyzed. The mathematical model every part of control system was built. Engine simulation model and CVT object ratio simulation model based on the engine optimal-economy and the optimal-power work mode were built. CVT-vehicle model according...
The electric drive system for a car has been analyzed using Matlab/Simulink toolbox. We determined the selected motion parameters of the car. The control system for the electric engines has been worked out. Calculation results of the car parameters have been presented. We compared the computer simulations of the electric engine parameters with the measured values. A good agreement has been achieved.
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