| APPLICATION STUDY ON A CONTROL STRATEGY FOR A HYBRID ELECTRIC PUBLIC BUS |
| B. H. WANG, Y. G. LUO |
| Hubei Automotive Industries Institute |
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| ABSTRACT |
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This paper first describes the control strategy used in a hybrid electric public bus and then proposes a torquebalancing control strategy. Simulations were performed using the designed control strategies, and the results were analyzed under different conditions. The torque-balancing control strategy was improved on the basis of the efficiency-first ideas of the hybrid system. Finally, experiments were performed to verify that the efficiency-first and torque-balancing control strategy (EFCS) is both feasible and reliable. The simulation results showed that, compared with a conventional public bus, the hybrid electric bus could save approximately 27.3 percent on fuel consumption using the EFCS control strategy in a public bus in China, while under the Wuhan urban driving cycle. |
| Key Words:
Hybrid electric bus, Control strategy, Simulation |
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