Device for a braking and traction test of a wheel comprising a r

Details Device for a braking and traction test of a wheel comprising a r Device for a braking and traction test of a wheel comprising a r

1996-11-18

1998-07-07

Dombroske, George M.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73 8, G01M 1702

Patent

active

057772207

ABSTRACT:
A device for a braking and traction test of a wheel integral with a hub that is free to rotate, comprises a road-wheel, a crank integral with the hub and a connecting rod that causes the reciprocating movement of a piston sealingly sliding in a chamber of a cylinder containing air. The piston exerts on the wheel and on the tire a sinusoidal torque consisting in a braking torque during its compression stroke and in a traction torque during its expansion stroke. The device also comprises a first deformation transducer associated with the hub and a second and a third speed transducer associated with the hub and with the road-wheel, respectively.

REFERENCES:
patent: 5014551 (1991-05-01), Beebe et al.
patent: 5375464 (1994-12-01), Dadt
P.W.A. Zagelaar et al, "Tyre Models for the Study of In-Plane Dynamics" The Dynamics of Vehicle on Roads and on Tracks, Supplement to Vehicle System Dynamics, vol. 23, pp. 578-590 (1994).
R.S. Sharp et al, "The Influence of Structural Flexibilities on the Straight-running Stability of Motorcycles" Vehicle Systems Dynamics 9, pp. 327-357 (1980).
David A. Sacrist et al, "A Simultation of Vehicle and Tire Dynamics," pp. 139-146, 1974 Joint Automatic Control Conference (1974).
O.P. Agrawal et al, "A Superelement Model Based Parallel Algorithm for Vehicle Dynamics" Computer & Structures, vol. 51, No. 4, pp. 411-423 (1994).

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