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This paper presents modeling and simulation of electric drive system for a hybrid electric vehicle which consists of a diesel engine, a flywheel-type PM generator and its converter, a Li-ion battery pack, six in wheel-type PM motors and their inverters. Only one set of the six motor/inverter sets is taken into account for the simplicity of modeling, since all of them have the same structure. This...
A dual-voltage 42 V/14 V Power-Net system of an ISG HEV is proposed, modeled and simulated in Simulink in this paper in order to analyze the change of the voltage of the dual-voltage power system, SOC of the battery and so on under some transient conditions as the engine starting, the transition from electric to generating mode for ISG motor and the sudden change of electrical loads when acceleration...
An overview of hybrid electric vehicle technology is presented. This encapsulates factors that necessitate the development of hybrid electric vehicles, classifications of hybrid electric vehicles based on the arrangement of the internal combustion engine and the electric motor for traction. The types of batteries required and the use of power electronic converters for effective power processing and...
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...
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...
Hybrid technology which has been successfully used on vehicles, is introduced to hydraulic excavators whose load condition is totally different from that of vehicles. An electric motor is employed to the power system to assist the ICE to satisfy the power requirements of the load. Due to the sharply fluctuations of the load, the Energy storage unit (ESU) is considered to be the most important component...
The paper is to describe one developing Plug-In Hybrid Electric Vehicle (HEV). By analyzing the power train coupling configuration and targeted functions, a compound power management strategy has been proposed, which combines electric machine-dominated and engine-dominated strategy. According to the SOC of cells and the state of car, the running is separated into charge-depletion (CD) mode and charge-sustaining...
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