A closed-form method to determine vehicle speed and its maximum value. (6th October 2008)

• Record Type: Journal Article
• Authors: Lieh, Junghsen
• Is Part Of: International journal of vehicle systems modelling and testing. Volume 3:Number 1/2(2008)
• Page Start: 1
• Page End: 13
• Publication Date: 2008-10-06
• Subjects: maximum vehicle speed -- closed-form solution -- vehicle traction -- nonlinear differential equations -- road load -- power consumption -- electric cars -- velocity -- inertia force -- air drag -- rolling resistance -- gravitational force -- tyre tractive force; Motor vehicles -- Design and construction -- Periodicals; Motor vehicles -- Testing -- Periodicals; Motor vehicles -- Mathematical models -- Periodicals; 629.2310151
• Languages: English
• ISSNs: 1745-6436

Abstract

Two non-linear differential equations representing road load and power consumption are used to determine the maximum vehicle speed and speed-time history. These equations are expressed in terms of velocity by expanding the inertia force, air drag, rolling resistance, gravitational force and tyre tractive force. For simulation purpose, the parameters of Wright State's electric car are used. The results for Front-Wheel Drive (FWD), Rear-Wheel Drive (RWD), Four-Wheel Drive (4WD), high power and low power cases are presented.