Sensor offers Torqsense to monitor torque
A
Sensor Technology product story
Edited by the Engineeringtalk editorial team
Dec 1, 2008
Torqsense provides a non-contact method of taking torque readings.
A couple of simple pads are glued to the side of the driveshaft and a Torqsense unit is mounted close by.
The Torqsense then starts monitoring torque and feeding it as a data signal to the SCADA control system.
The pads are tiny piezoelectric combs encased in plastic.
The combs open or close under the torque effect of their rotational speed on the drive shaft.
The greater the torque, the more the distortion.
The Torqsense unit emits a low-powered radio frequency signal towards the combs, which reflect it back to the Torqsense.
The reflected signal comes back at a changed frequency, the change being proportional to the distortion of the combs and thus to the torque in the drive shaft.
The surface affect wave (SAW) is what deforms the combs.
Advantages of the SAW technique include elimination of electronic interference and a broader signal bandwidth than other analogue-based technologies.
Torqsense can monitor the changing flow characteristics of food materials as they are mixed.
Torqsense is also helping to improve the energy efficiency of washing machines.
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Contact Sensor Technology
Tel +44 1869 238400
Other Sensor Technology stories
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ST offers RWT310/320 and RWT330/340 torque sensors
Sensor Technology's digital RWT310/320 torque sensors with integrated electronics and RWT330/340 torque sensors with separate electronics include the latest Torqsense (SAW) technology. -
Powertrain selects Torqsense transducer
A Torqsense transducer from Sensor Technology is a key part of a test rig designed by Powertrain Technologies to accurately measure small changes in drive torque. -
Torqsense RWT330/340 to be unveiled at M-Tec
Sensor Technology is to unveil the Torqsense RWT330/340 series of non-contact measurement sensors for space-critical applications at M-Tec 2009. -
Torqsense helps development of dry bulk handling
Dry bulk handling is on its way to becoming a precision science with a high level of control due to 20 years of research and development into digital non-contact torque monitoring. -
Research focuses on torque measurement system
Research in the Power Conversion Group at Manchester University, led by Dr Nigel Schofield, is focusing on the use of a non-contact torque measurement system developed by Sensor Technology.
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