Measuring and testing – Vehicle chassis – Steering
Patent
1989-12-20
1992-05-12
Noland, Tom
Measuring and testing
Vehicle chassis
Steering
73126, G01M 1700
Patent
active
051116855
ABSTRACT:
A roadway simulator restraint system supports a vehicle at each of its wheels on simulated roadways which comprise endless belts suitably driven to cause wheel rotation. A plurality of passive links are provided for restraining the vehicle in longitudinal, lateral, and yaw degrees of freedom, while permitting free motion in roll and pitch moments, and vertical directions. Additionally, the linkages can provide inputs in aerodynamic force directions to simulate responses to vehicle dynamics during actual operation. The individual roadways that support the wheels can be independently controlled as to speed, and can be turned. Suitable force measurements are made in desired axes to provide for a complete controlled simulation of vehicle operation on an actual roadway.
REFERENCES:
patent: 3914990 (1975-10-01), Borg
patent: 4238954 (1980-12-01), Langer
patent: 4455866 (1984-06-01), Barrigar
patent: 4798088 (1989-01-01), Haeg et al.
patent: 4862737 (1989-09-01), Langer
A Dynamometer on which the Dynamic Behavior of a Passenger Can can be Simulated, by Jean Odier, published in Proc. Instn. Mech. Engrs., vol. 186, Jul. 1972, pp. 87-96 & D25.
Road-Holding: Braking and Traction, Paper 700367, New York, Society of Automotive Engineers, Inc., 1970; pp. 204-209; by Jean Odier.
Indoor Vehicle Braking Simulation: Correlation and Comparison with Road Testing, Paper 730,562, New York: Society of Automotive Engineers, Inc., 1973; 8 page booklet by Jean Odier.
The Road Simulation Rig, Valeo Publisher, acknowledged prior art, publication date unknown, cover & pp. 1-8.
MTS Systems Corporation
Noland Tom
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