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Portable Wireless Measuring System for Monitoring Motor Shaft Parameters

A prototype of a portable wireless measuring system for monitoring motor shaft torque, power and rotational speed was developed and tested. The system was designed to offer a great flexibility for wide variety of test and research applications as well as the monitoring parameter ranges. Strain gauge sensors, placed onto the revolving shaft along with a wireless radio-frequency transmitter, are employed to measure torque. Shaft rotational speed is measured by using the rotary encoder. Torque and power are calculated automatically on the receiver side from samples processed in a real time and displayed to the user. Moreover, system provides analog and digital outputs of the shaft vibration waveform for oscilloscope observing or recording to a personal computer in a digital format.

Revolving Shaft Measurements; Strain Gauge Measurements; Torque Measurements; Wireless Sensors

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