Comparative Investigation of Series and Parallel Hybrid Electric Drive Trains for Heavy-Duty Transit Bus Applications

2006 ◽  
Author(s):  
Sheldon S. Williamson ◽  
Sanjaka G. Wirasingha ◽  
Ali Emadi
Keyword(s):  
Electric Drive ◽  
Comparative Investigation ◽  
Heavy Duty ◽  
Parallel Hybrid ◽  
Drive Trains ◽  
Hybrid Electric ◽  
Transit Bus

scholarly journals Optimal Energy Control Strategy Design for a Hybrid Electric Vehicle

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Yuan Zou ◽  
Hou Shi-jie ◽  
Li Dong-ge ◽  
Gao Wei ◽  
Xiao-song Hu
Keyword(s):  
Optimal Control ◽  
Control Strategy ◽  
Hybrid Electric Vehicle ◽  
Heavy Duty ◽  
Dynamic Features ◽  
Optimal Control Strategy ◽  
Energy Control ◽  
Optimal Energy ◽  
Parallel Hybrid ◽  
Hybrid Electric

A heavy-duty parallel hybrid electric truck is modeled, and its optimal energy control is studied in this paper. The fundamental architecture of the parallel hybrid electric truck is modeled feed-forwardly, together with necessary dynamic features of subsystem or components. Dynamic programming (DP) technique is adopted to find the optimal control strategy including the gear-shifting sequence and the power split between the engine and the motor subject to a battery SOC-sustaining constraint. Improved control rules are extracted from the DP-based control solution, forming near-optimal control strategies. Simulation results demonstrate that a significant improvement on the fuel economy can be achieved in the heavy-duty vehicle cycle from the natural driving statistics.

Development and Validation of New Control Algorithm for Parallel Hybrid Electric Transit Bus

2006 ◽  
Author(s):  
Liang Chu ◽  
Shaomin Ming ◽  
Yongsheng Zhang ◽  
Yajun Zhu ◽  
Minghui Liu ◽  
...  
Keyword(s):  
Control Algorithm ◽  
Parallel Hybrid ◽  
Hybrid Electric ◽  
Development And Validation ◽  
Transit Bus

Optimal hybrid drive system architecture exploration considering performance index of 48V mild HEV

2019 ◽  
Author(s):  
Yonghyeok Ji ◽  
Taeho Park ◽  
Hyeongcheol Lee
Keyword(s):  
Hybrid System ◽  
Electric Drive ◽  
System Architecture ◽  
Performance Index ◽  
Drive System ◽  
Hybrid Drive ◽  
Electric Supercharger ◽  
Electric Drive System ◽  
Parallel Hybrid ◽  
Hybrid Electric

The 48V hybrid system has mostly adopted parallel hybrid system architecture. In the parallel hybrid system, various architecture can be derived depending on the location of the motor. In this paper, we explored a hybrid system architecture considering one or two motors and 48V electric supercharger and derived the optimal architecture by comparing the performance of each architecture. Performance of the hybrid system is mostly evaluated as fuel economy. However, since the hybrid system has increasingly been applied to various types of vehicles with different purpose of the operation, another performance index for evaluating a hybrid system is needed. Therefore, in this paper, we introduced an additional performance index to evaluate the hybrid electric drive system and used it to derive the optimal architecture of the hybrid electric drive system. We used Dynamic programming (DP) to evaluate each architecture and DP simulation was performed in the Matlab environment.

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