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A torque distribution controller based on the fuzzy logic for a double-clutch parallel hybrid electric vehicle was designed to determine the distribution of torque between engine and motor. Fuzzy logic controller is designed bases on speed, driver commands and battery state of charge. The motor auxiliary drive, ensuring the state of charge normal and providing a part of power to meet the needs of...
This paper presents an optimal energy management strategy based on fuzzy logic for a Hybrid Electric Vehicle (HEV) with parallel structure. The proposed strategy maximizes the output torque of the vehicle while minimizing fuel consumption and emission in comparison to the combustion engines. The fuzzy logic controller will be designed based on the state of charge of batteries and the desired torque...
Fuel economy of parallel hybrid electric vehicles is affected by both the torque split ratio and the vehicle velocity. To optimally schedule both variables, information about the surrounding traffic is necessary, but may be made available through telemetry. Consequently, in this paper, a nonlinear model predictive control algorithm is proposed for the vehicle control system to maximise fuel economy...
To manage the drivestrain and power flow of hybrid electric vehicle (HEV) and achieve balanced performances on fuel economy, emissions, grade ability and acceleration ability, it is necessary to develop a control system with suitable parameters by solving a multi-objective optimization problem. Based on the proof of the relationship between dominating number and diversity in objective-space, a dominating...
Control strategy that determines the overall efficiency of hybrid system plays a centre role in hybrid electric vehicle (HEV). Utilizing fuzzy logic with quadratic programming, an optimal torque based fuzzy logic control strategy for parallel hybrid electric vehicle is built. The controller is designed based on battery state of charge, electric motor speed, and a relationship between the totally required...
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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