Measuring and testing – Speed – velocity – or acceleration – Response to multiple sensing means or motion conditions
Patent
1976-06-14
1978-01-03
Gill, James J.
Measuring and testing
Speed, velocity, or acceleration
Response to multiple sensing means or motion conditions
73511, G01P 356
Patent
active
040659755
ABSTRACT:
Apparatus provided for measuring slippage of locomotive wheels and for preventing excessive sliding of the wheels and which produces a control signal for governing the locomotive speed uses as a basic criteria the variation in velocity between the translatory speed of the locomotive and the circumferential velocity of sliding wheels. Variation in velocity is measured by integrating acceleration differences between the effective acceleration of the locomotive and the wheel acceleration.
REFERENCES:
patent: 3299834 (1967-01-01), Hughson
patent: 3362757 (1968-01-01), Marcheron
patent: 3398994 (1968-08-01), Smith
BBC Brown Boveri & Company Limited
Gill James J.
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