Influence of Vehicle Body Torsional Stiffness on Vehicle Roll Characteristics of Medium-Duty Trucks Nissan Diesel Motor Company, Limited

Format:

Conference/Event

Author/Creator:

Hasegawa, Shun'ichi, author.

Conference Name:

International Truck and Bus Meeting & Exposition (1990-10-29 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1990

Summary:

Because of smaller ratios of tread to height of gravitational center, longer wheel-bases, and larger moment of inertia, vehicle roll is the most important characteristics governing truck controllability and stability. And longer wheel-bases result in a reduction in vehicle body torsional stiffness. Hence, the influence of vehicle body torsional stiffness on vehicle roll characteristics is investigated. We carried out a simulation analysis and vehicle test on medium-duty trucks, in studying the vehicle frequency response characteristics by changing vehicle design parameters. The results show that a reduction in body torsional stiffness increases the steady state gain of the front roll angle without affecting the yaw and lateral characteristics of vehicle motion. Accordingly, even if body torsional stiffness is unavoidably lowered, reducing the front roll angle by increasing the roll stiffness of the front suspension can maintain appropriate vehicle controllability and stability

Notes:

Vendor supplied data

Publisher Number:

902267

Access Restriction:

Restricted for use by site license