Dynamometer for simulating the inertial and road load forces enc

Details Dynamometer for simulating the inertial and road load forces enc Dynamometer for simulating the inertial and road load forces enc

1993-08-30

1995-08-29

Chilcot, Jr., Richard E.

Measuring and testing

Vehicle chassis

Steering

G01L 316

Patent

active

054450136

ABSTRACT:
A chassis dynamometer includes a frame, a roll set for engaging the wheels of a motor vehicle and an eddy current brake/inertia simulating unit with a rotor having ferrous metal rotor wheel rotatably mounted on the frame and a plurality of stationary field coils. The rotor has a rotational mass within the range of 70 to 90% of the base or minimum inertia of the dynamometer. A force transducer and a speed encoder provide a measure of the force applied to the roll by the wheel and the speed of the roll, respectively. A controller, in response to the roll speed and force applied to the roll controls the current to the field coils in accordance with a selected simulated inertia and road load for the vehicle.

REFERENCES:
patent: 2585475 (1952-02-01), Lee et al.
patent: 3518466 (1970-06-01), Bunner
patent: 3838323 (1974-09-01), Anderson
patent: 3863083 (1975-01-01), Jaeschke
patent: 4798378 (1989-01-01), Jones
patent: 4853574 (1989-08-01), Estaque
patent: 4982127 (1991-01-01), Marandet
patent: 5086647 (1992-02-01), Kamata et al.

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