Abstract
This paper presents a preliminary study investigating the development of a new type of non-contacting torque sensor based on the mechanoluminescence (ML) of a new microparticle (ZnS:Cu), which is intended to address the ML intensity decay present in a previous prototype torque measurement system with a conventional microparticle (SAO). An ad hoc heuristic model of hysteresis is proposed to characterize the loading rate-dependent characteristics of the ML intensity emitted from ZuS:Cu microparticle, and to estimate the torque input. The sinusoidal torque applied to a rotational shaft is successfully measured with a small error range by sensing the ML intensity without contacting. This study provides potential applications for the development of new non-contacting torque sensing technology widely used in various industrial areas such as automotives, robotics, rotors, and turbines.
Original language | English |
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Pages (from-to) | 125-131 |
Number of pages | 7 |
Journal | Sensors and Actuators A: Physical |
Volume | 218 |
DOIs | |
State | Published - 1 Oct 2014 |
Keywords
- Hysteresis model
- Mechanoluminescence (ML)
- Microparticle ZnS:Cu
- Non-contacting torque sensor
- Torque estimation