Testing apparatus for engine driven automotive component with fe

Details Testing apparatus for engine driven automotive component with fe Testing apparatus for engine driven automotive component with fe

1990-11-28

1993-03-02

Raevis, Robert

Measuring and testing

Simulating operating condition

Marine

G01M 1900

Patent

active

051899086

ABSTRACT:
A simulation system for an automotive internal combustion engine is designed for simulating a transition state for varying output torque according to variation of the engine driving condition. The system comprises a power plant which incorporates relatively high inertia, and means for compensating high inertia for achieving low inertia equivalent to the automotive internal combustion engine, an engine characteristics generator receiving predetermined engine operation parameter simulated data for deriving control signal commanding output torque of said power plant according to a predetermined engine output torque variation characteristics which is set in terms of said engine operation parameter simulated data, and means, cooperative with said engine characteristics generator and responsive to a torque variation command demanding said output torque from a first value to a second value, for setting a predetermined torque variation characteristics for varying said control signal value according to an elapsed time so that output torque varies from said first value to said second value within a predetermined torque variation transition period.

REFERENCES:
patent: 3273384 (1966-09-01), Flaugher
patent: 4468958 (1984-09-01), Takeshita
patent: 4493209 (1985-01-01), Takeshita
patent: 4984988 (1991-01-01), Mizushina et al.

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