Fibre optic sensors for the monitoring of rotating electric
Accurate and efficient monitoring of electrical machine (EM) operating parameters, including temperature, mechanical vibration, torque and rotating speed and others that can indicate
Fiber
Optic
Torque
Sensor
Field validation of dynamic mechanical torque measurements using fiber
Assessing the accuracy of dynamic mechanical torque measurements by comparing the results gathered from fiber-optic strain sensors to reference torque measurements from conventional
Fiber Bragg Grating-Based Force-Torque Sensor with Six Degrees of
We demonstrate how the sensor is realized and show results of all six force and torque measurements. We present a theoretical model of the sensor. The results in this work demonstrate the feasibility of a
Contactless torque sensors based on optical methods: A review
However, distributed fiber optic sensors need to bewinded around the measured transmission shaft to collect torque measurements . Similarly, magnetoelectric torque sensors
Planar Sensor Design for Force/Torque Measurement Based on Fiber
This paper presents a conceptual sensor design for planar force/torque measurement based on fiber optic sensing. The design includes two rigid bodies, one acting as a reference frame and the other as
Fiber-Optic Based, Force and Torque Compliant Sensing Calibration
To overcome these issues, we have proposed various compliant fiber-optic based force and torque sensors that have proved their capabilities to accurately measure force and torque in three and six
Design of a Novel Six-Axis Force/Torque Sensor based on Optical
This paper presents a nov el six-axis force/torque sensor based on optical fibre sensing for robotic applications in extreme environments with intense electromagnetic interference as well as explosive
Optoelectronic Torque Measurement System Based on SAPSO-RBF
In , a high-sensitivity, compact torque sensor based on Fiber Bragg Grating (FBG) technology is also presented. This sensor comprises a torque-sensitive bending structure and two
Development of an Optic Fiber-Based Torque Sensor With a Torsion
This work proposes a miniature and high-sensitivity torque sensor that mainly consists of a torque-sensitive flexure and one tightly suspended optic fiber with an inscribed Fiber Bragg Grating
Contactless torque sensors based on optical methods: A review
In many papers concerning torque measuring, researchers/engineers using sen-sors such as distributed fiber optic sensors, magnetoelectric sensors, etc., view their technology as
Novel contactless torque sensor based on optical coherence
This work proposes a novel contactless sensor to measure the micro torque of a rotating shaft based on the optical coherence displacement measurement
Self-decoupling six-dimensional force/ torque sensor based on fiber
A self-decoupling six-dimensional force/torque sensor based on Fiber Bragg grating is described, which is designed based on a spherical rotor and a double-layer beam. 14 FBGs are
(PDF) contactless sensors for torque measurement based on optical
In this paper, the concept of contactless sensors for torque measurement is redefined and the major classes of torque sensors (i.e., contactless sensors based on the laser Doppler effect, laser
Fiber-Optic Sensors for Measurements of Torsion, Twist and
Optical measurement of mechanical parameters is gaining significant commercial interest in different industry sectors. Torsion, twist and rotation are among the very frequently measured
Field validation of dynamic mechanical torque measurements using fiber
Torque measurements derived from fiber-optic strain sensors placed on the ring gear of the planetary stage are compared to conventional torque measurements from strain gauges placed
Monitoring torque in bolts using an embedded fiber Bragg grating sensor
In this study, we embedded a fiber Bragg grating (FBG) sensor into a bolt and experimentally examined whether the wavelength in the FBG changes in response to small
Optical fiber laser system for torsion measurement using a
We report a novel and highly sensitive torsion sensor that integrates a multicore fiber (MCF) within a Sagnac interferometer so that the same MCF segment serves as both the reflective
Full article: Fiber Bragg Grating-Based Force-Torque Sensor with Six
The element creating stiffness may be of arbitrary form. We demonstrate how the sensor is realized and show results of all six force and torque measurements. We present a theoretical
Development of an Optic Fiber-Based Torque Sensor With a Torsion
The innovative model is validated with two different test benches, opening new challenges in the design and development of under-actuated force–torque transducers.
Large-range torsion sensor based on twin-core polymeric optical fiber
These include microstructured optical fibers consisting of asymmetric air-hole layouts and multi-core fibers (MCFs) with asymmetric core arrangements , , . Although these silica
Full article: An Optical Torque Sensor for Robotic Applications
With respect to the previous work, the sensor proposed in this paper is designed to measure the torque applied to a robotic joint, and not the tendon force, by means of a new suitable
Development of an Optic Fiber-Based Torque Sensor With a Torsion
In this paper, a new cable-driven model for under-actuated force–torque sensing mechanisms is proposed, simulated, and tested, underlining the novelty of using cables for
Design, Development and Calibration of a Lightweight, Compliant Six
This paper introduces the fabrication of a six degree-of-freedom force and torque sensor based on fiber-optic sensing technology and its novel calibration methodology.
Microfiber optomechanical torsion sensor
In this paper, we propose and demonstrate experimentally an optomechanical torsion sensor using a microfiber mechanical resonator. The torsion angle could be obtained by monitoring the resonant...
Novel Calibration Methodologies for Compliant, Multiaxis, Fiber-Optic
In this article, we present a number of novel calibration methodologies for compliant, multiaxis, fiber-optic-based force/torque sensors and evaluate the performance of these methods in