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Extra resources for Electric Vehicles - Modelling and Simulations
Electric motors have near-ideal torque-speed characteristics and multigear transmissions are not necessary. 3. The electrical transmission provides the mechanical decoupling and allows the using of a simple control strategy. The series hybrid electric drive trains have some disadvantages: 1. The mechanical energy of the ICE is first converted to electrical energy in the generator and the output energy of generator is converted into mechanical energy in the traction motor. The losses in the generator and the traction motor may be significant and these reduce the system efficiency.
Viewed from the standpoint of integration components, hybrid electric vehicle represents, compared with the vehicle solution powered ICE, an increase of complexity approximately 25%, while in terms of system control input hardware and software is at least double. These new elements make the price a such vehicle to be higher than that of a vehicle powered 44 Electric Vehicles – Modelling and Simulations only by internal combustion engine. Thus, as shown in [Ehsani, 2005] the first vehicle (car) series hybrid electric Toyota designed by the company line is the most sophisticated and most advanced integrated powertrain control strategy of the firm ever made known to promote ideas of great ingenuity and technical complexity.
Fakhfakh , A. & Neji, R. (2009). Modeling and Simulation of electrical vehicle in VHDL-AMS, 16 th IEEE International Conference on, Electonics, Circuits, and Systems, ICECS 2009, pp. 908-911, ISBN 978-1-4244-5090-9, Yasmine Hammamet, Tunisia, 2009. McDermott, T. ; Juchem, R. & Devarajan, D. (2006). Distribution Feeder and Induction Motor Modeling with VHDL-AMS. 2006 IEEE/PES T&D Conference and Exposition Proceedings, 21-26 May 2006, Dallas. , Walha, A. , Virtual prototyping in power electronics using VHDL-AMS application to the direct torque control optimisation, J.