On the development of an early warning safety monitor for articulated freight vehicles
by S. Rakheja, A. Piche, T.S. Sankar
International Journal of Vehicle Design (IJVD), Vol. 12, No. 4, 1991

Abstract: An early warning safety monitor (EWSM) that can detect and warn drivers of an impending dynamic instability is proposed to improve the operational safety of articulated freight vehicles. Development of an EWSM involves: (1) quantitative description of onset of roll and yaw instabilities via directly measurable dynamic response quantities; (2) on-line monitoring of dynamic state of the vehicle and analyses; and (3) generation of an early warning on impending instabilities. Directional dynamics of articulated vehicles are investigated to determine vital response parameters related to onset of rollover and jack-knife. Parametric sensitivity analyses are conducted to quantify the dependency of identified response parameters on various design and operating conditions, and to establish reliable response parameters related to onset of dynamic instabilities. The response parameters are further examined in view of ease of on-line acquisition and analyses, and stability criteria are established to identify impending roll and jack-knife instabilities. The design of an EWSM to generate an early warning of the impending instabilities is discussed such that the driver can undertake a corrective action in appropriate time.

Online publication date: Tue, 27-May-2014

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Vehicle Design (IJVD):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com