Test rig and process for testing motor vehicle assemblies, in pa

Details Test rig and process for testing motor vehicle assemblies, in pa Test rig and process for testing motor vehicle assemblies, in pa

1993-02-03

1996-01-30

Chilcot, Richard

Measuring and testing

Simulating operating condition

Marine

73798, G01M 1900, G01N 300

Patent

active

054873010

ABSTRACT:
A test rig for testing motor-vehicle assemblies includes a loading device for inducing vertical forces, lateral forces, longitudinal forces and braking or driving forces in the motor-vehicle assembly. The test rig includes a control device for controlling the loading device in such a way as to ensure that the vertical forces, lateral forces, longitudinal forces and braking or driving forces are induced in the motor-vehicle assembly according to a predetermined control loading programme. The control loading programme causes different loading cases of the motor-vehicle assembly, which are realistic in terms of the physics of driving, to be simulated repeatedly in a temporally consecutive sequence. The control loading programme is a standardised basic programme adapted, with the aid of vehicle-and/or axle-specific conversion values and test-rig-specific conversion values, to the given motor-vehicle assembly to be tested in the given case. Preferably, a modifying device is provided for adapting the motor-vehicle assembly to the standardised basic loading programme, whereby the modifying device enables adaptation of the basic loading programme in a particularly uncomplicated manner. The modifying device linearises the suspension spring characteristic of the motor-vehicle assembly.

REFERENCES:
patent: 3555893 (1971-01-01), Holzman
patent: 3718033 (1973-02-01), Peterson
patent: 3877288 (1975-04-01), Schiefen
patent: 3937058 (1976-02-01), Hillbrands
patent: 4353568 (1982-10-01), Boyce
patent: 4658656 (1987-04-01), Haeg
patent: 4726604 (1988-02-01), Asami et al.
patent: 4768374 (1988-09-01), Fouchey
patent: 4798088 (1989-01-01), Haeg et al.
Automobiltechnische Zeitschrift, 82, pp. 469-474, Sep. 1980.

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