Torque reaction motor performance evaluation

Details Torque reaction motor performance evaluation Torque reaction motor performance evaluation

1977-05-12

1978-04-18

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

73133R, G01M 1500

Patent

active

040844285

ABSTRACT:
A torque reaction test system for evaluating the performance characteristics of a test motor by detecting its inertial reaction torque to acceleration and deceleration of the rotor. In one embodiment a test motor, typically at a final assembly stage and contained within a housing where it is inaccessible, is mounted in a rotatable fixture and the torque reaction of the test motor when accelerated and decelerated is obtained. The torque reaction is plotted against time or speed. A torque balance loop provides a feedback current which maintains the test motor housing within the fixture at a predetermined point of rotation and which provides an indication of torque reaction. A further embodiment provides a dynamometer in which a test motor is driven by a drive motor for a rapid run-up time and the torque response characteristics are plotted as a function of time or speed to provide nondestructive determination of system parameters.

REFERENCES:
patent: 2724801 (1955-11-01), Oster
patent: 3898875 (1975-08-01), Knoop et al.

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