| MODELING AND CONTROL STRATEGY DEVELOPMENT OF A PARALLEL HYBRID ELECTRIC BUS |
| X. YE1, Z. JIN1, X. HU2, Y. LI1, Q. LU1 |
1Tsinghua University
2Beijing Institute of Technology |
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| ABSTRACT |
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This paper presents the system modeling, control strategy design, and experiment validation of a parallel hybrid electric bus with an automatic manual transmission (AMT) and a dry clutch. The mathematical model representation and the system architecture of the powertrain are first described. Next, a complete control scheme including energy management strategy and coordinated control of the AMT and the clutch is presented. The controller and powertrain models are then integrated in a way that the power management and the hybrid driveline perform in real world. The analysis and validation through model simulation and comparison with experiment data are conducted. A good agreement between the model and experiment demonstrates the efficacy and credibility of the integrated model. The integrated model is employed in both simulation and bench-test assessments for the development of a hybrid control unit. The results indicate that the model-based design methodology is beneficial to systematically analyzing and understanding the dynamics of hybrid electric powertrain. |
| Key Words:
Hybrid electric vehicle, Powertrain control, Energy management, Model based design |
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