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Cost and power optimized electrical drive train system design for an electric three-wheel vehicle based on field test data acquisition and offline simulations

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3 Author(s)
Saegesser, I. ; Lab. for Ind. Electron., Bern UAS, Biel/Bienne, Switzerland ; Vezzini, A. ; Galliker, B.

One of the first pure electric vehicles with Lithium Ion Battery running on the European market is the SAM EVII developed by S A.M. Group AG. It is a light weight three wheel vehicle with automotive comfort, sold to customers since November 2009. To gather information about its daily usage and therefore to be able to design the drive train of the follow-up model, SAM 3, a field test has been started. In already sold customer cars used in different daily conditions, CAN data loggers have been recording data for several months. They log around 50 values in periodic time steps of 110 ms. In order to analyze this flood of information, software has been developed. The data is compared with simulations results based on static and dynamic requirements for the future model. Together the analysis allows a cost and power optimized choice of the electric drive train parameters. In this paper, the way to get and analyze the data is presented, as well as a small part of the first results.

Published in:

Vehicle Power and Propulsion Conference (VPPC), 2011 IEEE

Date of Conference:

6-9 Sept. 2011