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[B-17.1 Quantification for Required Performance and Functions of Electric Vehicles Depending on fields of utilization]

[Contact Person]

Tugio Abe
Director, Traffic Nuisance Division
Trafflc Safety and Nuisance Research Institute
Ministry of transport
6-38-1 Shinkawa, Mitaka-city, Tokyo 181 Japan
Phone +81-0422-41-3217, Fax +81-0422-41-3233

[Total Budget for FY1991-1993]

28,493,000 Yen (FY1993 10,181,000 Yen)

[Abstract]

　The objective of this study is to search required performance estimation methods of electric vehicles(EV) depending on fields of utilization and mainly the following results were obtained.
(1) Actual roads driving data of conventional vehicles were statistically analyzed and then driving characteristics of various road and vehicle types were clarified.
(2) A procedure for calculating driving power ratio from vehicle speed-time data to estimate possible driving distance of EV at 1 time battery charge.
(3) A simulation program was developed for estimating EV performance. Then supposing a small size EV that is applied common technologies at this time and loaded two passengers, its consumed electric power and regenerative power by braking etc. were calculated based on actual driving data and then, the deference of mileage estimation to steady state driving, energy consumed by auxiliary system, or the effect of a regeneration, were considered.
(4) Finally, it was clarified that small electric vehicle is suitable for the commuting use of relatively short distance and will be applicable for commuters used in badly air polluted urban areas.

[Key Words]

Electric Vehicle, Driving Model, Petroleum Energy Substitute