This paper addresses the coordinated control of the internal combustion engine and the electric motor in a parallel hybrid electric vehicle, when both of them are running. In deciding how much torque each motor contributes, both long term energy oriented and short term drivability goals must be considered. The first contribution in this paper consists of proposing an architecture in which three main functional blocks are present, namely a steady-state performance generator, providing an energy oriented torque contribution, a transient performance generator providing a drivability oriented torque contribution, and a dynamic input allocator blending the outputs of the other two blocks in such a way as to satisfy both the short and the long term goals. The second contribution consists in showing how the input allocator must be designed. The other two blocks can be designed following any of several recipes already described in the literature. Experimental validation of the proposed approach confirms the relevance of accounting for the different motor dynamics in the allocator design.
Cordiner, S., Galeani, S., Mecocci, F., Mulone, V., Zaccarian, L. (2014). Torque Setpoint Tracking for Parallel Hybrid Electric Vehicles Using Dynamic Input Allocation. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, 22(5), 2007-2015 [10.1109/TCST.2013.2293179].
Torque Setpoint Tracking for Parallel Hybrid Electric Vehicles Using Dynamic Input Allocation
CORDINER, STEFANO;GALEANI, SERGIO;MULONE, VINCENZO;ZACCARIAN, LUCA
2014-01-01
Abstract
This paper addresses the coordinated control of the internal combustion engine and the electric motor in a parallel hybrid electric vehicle, when both of them are running. In deciding how much torque each motor contributes, both long term energy oriented and short term drivability goals must be considered. The first contribution in this paper consists of proposing an architecture in which three main functional blocks are present, namely a steady-state performance generator, providing an energy oriented torque contribution, a transient performance generator providing a drivability oriented torque contribution, and a dynamic input allocator blending the outputs of the other two blocks in such a way as to satisfy both the short and the long term goals. The second contribution consists in showing how the input allocator must be designed. The other two blocks can be designed following any of several recipes already described in the literature. Experimental validation of the proposed approach confirms the relevance of accounting for the different motor dynamics in the allocator design.File | Dimensione | Formato | |
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