System for detecting wheel-damage

Details System for detecting wheel-damage System for detecting wheel-damage

G - Physics

08

B

340/124

G08B 21/00 (2006.01) B61K 9/12 (2006.01) G01M 17/10 (2006.01)

Patent

CA 1271242

ABSTRACT OF THE DISCLOSURE A system is provided herein to detect irregularities in the geometry of railway wheels. The system has a linearly expanding accelerometer which is solidly joined to the rail underneath its head. The accelerometer sensitivity is constant over its entire length and generates a voltage proportional to the acceleration of the rail. For different damages, the rail acceleration takes place in different directions, The voltage amplitude depends on the type of damage, and evinces opposite initial polarities. Frequency filtering or frequency analysis permit the determination of further criteria which, together with other weighted criteria, may be used to characterize wheel damage.

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