Communications: electrical – Continuously variable indicating – Plural transmitters
Patent
1995-10-20
1998-05-19
Stoll, Thomas L.
Communications: electrical
Continuously variable indicating
Plural transmitters
34087003, G08C 1302, G08C 1702
Patent
active
057541221
ABSTRACT:
A system is disclosed for monitoring strain on a structure, such as a bridge. A plurality of battery powered wireless monitoring units are adapted for attachment to the structure, each or the units including: a sensing transducer for producing signals representative of strain, processing circuitry for processing strain-representative signals, the processing circuitry including a rain flow counter, storage for storing, as processed signals, accumulated rain flow counts of predetermined magnitudes, and a transmitter for wireless transmission of the processed signals to a receiver.
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S.D. Downing and D.F. Socie, Simple Rainflow Counting Algorithms, Int. J. Fatigue, Jan. 1982, pp. 31-40.
Cao Qinghong
Li Weiping
Competitive Technologies Inc.
Novack Martin M.
Stoll Thomas L.
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