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Mitsubishi Motors Corporation succeeded in mass-production of the new generation electric vehicle “i-MiEV” which was released into the Japanese market in July 2009. This vehicle features leading-edge technologies epitomized by lithium-ion battery. In this paper the power management systems are focused on. Following an introduction of some features of this EV, requirements for the control systems are...
In this paper, an innovative power-split device (PSD) is introduced, and its application in a hybrid powertrain system is studied. The new PSD is a mechanism that allows operation in two different power-split modes through locking/unlocking of two clutches. In one mode, the PSD operates similar to a standard planetary gear unit, and in the other mode, it works the same as a compound planetary set...
The paper presents the development of a generic simulation model on MATLAB/Simulink platform of an electric vehicle (EV). The components of the model such as the vehicle model, driver model, drivetrain model and the battery model are individually studied and modeling equations developed. The model accuracy is validated by comparison with the dynamometer test results on the motor. The model is employed...
A distributed control system comprising a TTCAN (Time Triggered Controller Area Network) and a J1939 CAN (Controller Area Network) is proposed for a PEM (Proton Exchange Membrane) fuel cell / Ni-MH battery hybrid vehicle. A current-regulated DC/DC (Direct Current to Direct Current converter) is used to control the output power of the fuel cell. The work of the hybrid power train is coordinated by...
Regenerative braking is an effective approach for electric vehicles to extend their driving range. The control strategy of regenerative braking plays an important role in maintaining the vehicle's stability and recovering energy. In this paper, the main properties that have influence on brake energy regeneration are analyzed. Mathematical model of brake energy regenerating electric vehicles is established...
The dual motor powertrain (DMP) configuration is composed of gasoline direct injection (GDI) engine, two motors(one motor connects with input shaft of transmission, namely I-motor, another motor connects with output shaft of transmission, namely II-motor), automatic mechanical transmission (AMT), battery package and hybrid control system. The DMP hybrid system has the functions of engine start/stop...
This paper deals with the optimized control strategy within the vehicle which is driven by a fuel cell stack hybrid with a NiMH battery. The aim is the instantaneous energy management to optimize the hydrogen consumption. At first the powertrain was modeled using data on testbed. Then the optimization control problem basing on an equivalent hydrogen consumption strategy is defined, where the motor...
Power-train is a key component of the parallel electrical hybrid vehicle for which can control energy flow of the system. In this paper, according to the basic configuration of parallel electrical hybrid power-train, the control strategy based on limiting work range of engine is discussed. As a load adjusting device, the motor uptake power and maintain battery working on the range of high efficiency...
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