Multiple degree-of-freedom tire modeling method and system for u

Details Multiple degree-of-freedom tire modeling method and system for u Multiple degree-of-freedom tire modeling method and system for u

1997-07-16

2000-10-24

Dombroske, George

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

738656, G01M 1704

Patent

active

061349577

ABSTRACT:
A method for developing a tire model for use with an effective road profile in testing an automotive vehicle on a spindle-coupled road simulator defines a flat surface road plane in a multiple coordinate reference system to represent the effective road profile. The coordinates comprise at least four of a plane vertical deflection, a plane radial contact angle, a plane lateral contact angle, a steer contact angle, a lateral displacement and a longitudinal displacement. A tire is excited over a predetermined range while on a tire test apparatus for developing the tire model. The tire test apparatus includes an articulated running flat belt platform moveable so as to contact the tire, the flat tire contact plane defining a coordinate reference system to represent the effective road profile in multiple degrees-of-freedom.

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"A Technique for Measuring `Effective` Road Profiles" (Allan P. Whittemore) SAE Paper 720094, Undated.
"Making A Road Simulator Simulate" (Ronald A. Cripe) SAE Paper 720095, Undated.

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