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Robust and accurate E-Range prediction

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Author: Elshout, B.P. van den · Bijnen, D. · Eeuwijk, L.J.M. van
Type:article
Date:2012
Place: Helmond
Source:EEVC European Electric Vehicle Congress, Brussels, Belgium, November 19-22, 2012
Identifier: 470942
Keywords: Electronics · range · simulation · vehicle performance · prediction · Safe and Clean Mobility · Mobility · Fluid Mechanics Chemistry & Energetics Mechatronics, Mechanics & Materials · PT - Power Trains IVS - Integrated Vehicle Safety · TS - Technical Sciences

Abstract

For a large variety of applications, it is crucial to be able to predict the electric range of a vehicle in a robust and reliable way. Current applications show a lack of accuracy and robustness. The designed algorithm is capable of accurately predicting the range in a robust way, incorporating the effects of drive style, type of route, type of vehicle and some weather effects. The algorithm is model based and uses a power consumption model, battery model and drive cycle model to determine the remaining e-range of an (H)EV. Some model parameters, which are crucial for the energy consumption prediction, are made adaptive in order to improve the robustness. The algorithm is validated on a large scale experiment, using two different commercially available electrical vehicles. During the experiment over 4000 kilometer is driven by different drivers. The results are showing a significant improvement (70% error from OEM versus 5% error from TNO) of the predicted range, compared to the original range prediction.