Wireless Torque Sensors for Aerospace Sector

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In test rigs, two piezo electric combs reflect back radio waves aimed by TorqSense

Sensor Technology

Wireless Torque Sensors for Aerospace Sector
Wireless Torque Sensors for Aerospace Sector
Wireless Torque Sensors for Aerospace Sector
Wireless Torque Sensors for Aerospace Sector
Wireless Torque Sensors for Aerospace Sector
Wireless Torque Sensors for Aerospace Sector

During take-off and landing, aircrafts are subject to heavy load, which can increase in case of emergency: for this reason, it is important that relevant parts are regularly tested and recertified as fit for purpose. SGN Electrical has recently built two test rigs, one for testing the landing gear, the other for the flaps on the tail plane, that are helping ensure transoceanic-scale aircrafts can land safely and reliably every flight. Sensor Technology provided SGN Electrical’s test rings with its wireless torque sensor transducer.

Piezo electric combs reflect back radio waves aimed by TorqSense

TorqSense is much-favoured by test rig builders as it is a non-contact technology that uses reflected radio waves to measure the torque in a rotating shaft. In use, two piezo electric combs are glued to the test shaft at right angles to one another. Their role is to reflect back radio waves aimed at the shaft by the TorqSense, but as they distort in proportion to the torque in the shaft (one compressing, the other expanding), they in turn distort the reflected waves. The amount of wave distortion is proportional to the comb distortion, which reflects the deformation of the shaft and therefore the level of torque it is experiencing.

 

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Posted on February 15, 2019 - (351 views)
Sensor Technology Ltd
Apollo Park, Ironstone Lane,
OX15 6AY Banbury - United Kingdom
+44-1868-238400
+44-1868-238401
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