Optimal torque distribution strategy for dual traction motors in a series hybrid electric intra-city bus

2017 ◽  
Vol 24 (1) ◽  
pp. 18
Author(s):  
Daebong Jung ◽  
Kyoungdoug Min ◽  
Minjae Kim
Keyword(s):  
Torque Distribution ◽  
Distribution Strategy ◽  
City Bus ◽  
Traction Motors ◽  
Hybrid Electric

Research on Torque Distribution Strategy for ISG Hybrid Electric Cars

2012 ◽  
Vol 546-547 ◽  
pp. 212-217
Author(s):  
Xu Dong Wang ◽  
Hai Xing Zhang ◽  
Shu Cai Yang ◽  
Yong Qin Zhou ◽  
Jin Fa Liu
Keyword(s):  
Hybrid System ◽  
Fuel Economy ◽  
Test Model ◽  
Torque Distribution ◽  
Electric Cars ◽  
Distribution Strategy ◽  
Hybrid Car ◽  
Total Vehicle ◽  
Hybrid Electric ◽  
Minimum Work

Based on the configuration and working state analysis of the ISG hybrid electric cars, the torque distribution strategy of a hybrid system is designed to delineate the maximum and minimum work torque curves of the engine, achieve optimization of engine’s range so as to make sure the target torque of the engine and ISG motor, and finally through the calibrated driving characteristics MAP and battery SOC state to achieve the calculation of total vehicle torque demand. Taking the Hafei Saibao ISG hybrid car as a test model, the test of fuel economy and emissions carried out under specific conditions showed that using the torque distribution strategy has increased by 12.8 % of the ISG hybrid car fuel economy and improved emissions performance to some extent compared to the traditional Hafei Saibao cars.

Optimization of Economy Shift Schedule for Automated Mechanical Transmission in a Parallel Hybrid Electric Vehicle

2012 ◽  
Vol 260-261 ◽  
pp. 331-336
Author(s):  
Zhen Tong Liu ◽  
Hong Wen He ◽  
Wei Qing Li
Keyword(s):  
Electric Vehicle ◽  
Hybrid Electric Vehicle ◽  
Mechanical Transmission ◽  
Torque Distribution ◽  
Power Train ◽  
Distribution Strategy ◽  
Parallel Hybrid Electric Vehicle ◽  
Shift Schedule ◽  
Parallel Hybrid ◽  
Hybrid Electric

Power train of hybrid electric vehicle (HEV) equipped with automated mechanical transmission (AMT) is made up of engine, electric motor, batteries and propulsion system. Shift schedule can’t be worked out with the same way of conventional AMT vehicle. Based on the optimal torque distribution strategy and analysis of the driving efficiency for parallel hybrid electric vehicle (PHEV), a new economy shift schedule for PHEVs equipped with AMT is proposed to maximize the driving efficiency. The MATLAB/CRUISE co-simulation results show that the proposed shift schedule can more efficiently improve the fuel economy performance.

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