Method and apparatus for analyzing performance of electric-tract

Details Method and apparatus for analyzing performance of electric-tract Method and apparatus for analyzing performance of electric-tract

1978-03-02

1979-12-18

Gruber, Felix D.

Boots, shoes, and leggings

324158MG, 340 38L, G06F 1520, G01R 3302

Patent

active

041797442

ABSTRACT:
Magnetic fields of electrical operating components of electric-traction-motor powered vehicles, especially diesel electric and all-electric railway locomotives, are sensed as the vehicles pass given locations along their respective paths of travel, and the signals so obtained are processed to yield perceptible outputs, such as oscillograph charts or computer printouts, indicative of performance and any maintenance work that must be done for maximum utilization of available energy. In instances in which speed of the vehicle is a significant factor, that information is ascertained and utilized in the processing of the signals derived from sensing the magnetic fields. The apparatus comprises one or more magnetic field sensors, such as standard relay coils, strategically located with respect to the path of travel of the vehicle, and information processing equipment adapted to receive signals from the sensors and speed information, if significant, and to provide a perceptible output indicative of performance and any maintenance work required.

REFERENCES:
patent: 3508238 (1970-04-01), Baker
patent: 3573441 (1971-04-01), Glazar
patent: 3639731 (1972-02-01), McNeill
patent: 3644825 (1972-02-01), Davis, Jr. et al.
patent: 3732405 (1973-05-01), Stewart
patent: 3839628 (1974-10-01), Higgins et al.
patent: 4052595 (1977-10-01), Erdmann et al.
patent: 4138642 (1979-02-01), Mohr

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