Propulsion and auxiliary loads identification and validation using HIL simulations
by Soheil Mohagheghi Fard; Yanjun Huang; Amir Khajepour
International Journal of Powertrains (IJPT), Vol. 7, No. 4, 2018

Abstract: The electrification of auxiliary systems in service vehicles can noticeably reduce the engine idling time and fuel consumption. To replace an engine-driven auxiliary system with the electric one, size of required components (a battery pack and a generator) should be determined based on the information that can be obtained from propulsion and auxiliary loads of a target vehicle. Propulsion and auxiliary loads are defined as the portion of engine power that is used for moving the vehicle and auxiliary devices, respectively. In this paper, a model-based estimation algorithm is developed to estimate auxiliary and propulsion loads. The algorithm is validated using a hardware-in-the-loop system. The results show that the proposed algorithm can accurately identify propulsion and auxiliary loads in service vehicles.

Online publication date: Tue, 16-Oct-2018

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