Home / China s fiber optic torque sensor
This sensor comprises a torque-sensitive bending structure and two diagonally arranged optical fibers, incorporating an embedded fiber Bragg grating sensor. In this paper, we propose and demonstrate experimentally an optomechanical torsion sensor using a microfiber mechanical resonator. Quadrants of photoelectric sensors are employed to capture minute deformations induced by torque on the rotational axis, converting them into measurable voltage. The invention discloses a fiber sensing device for sensing torque parameters, comprising a helical shell, a plurality of A-sided distortion teeth and a plurality of B-sided distortion teeth, wherein the A-sided distortion teeth and the B-sided distortion teeth are continuously arranged at two.
In this work, we proposed a novel self-uncoupling six-axis force/torque sensor based on the fiber grating. It uses a layered measurement design method to achieve low coupling and high
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This document presents the design of a 6-degree of freedom fiberoptic force-torque-sensor for integration in instruments for minimally invasive robotic surgery. The measuring system
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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
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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
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Accurate and efficient monitoring of electrical machine (EM) operating parameters, including temperature, mechanical vibration, torque and rotating speed and others that can indicate
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We propose and experimentally demonstrate a distributed directional torsion sensor based on an optical frequency domain reflectometer (OFDR) using a helical multicore fiber (MCF).
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Indeed, OPTEL-TEXYS offers standard optical probes with reduced dimensions and also customised probes with more or less complex geometries. Combined with
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In this paper, we propose and demonstrate experimentally an optomechanical torsion sensor using a microfiber mechanical resonator. The
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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
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In this paper, the concept of contactless sensors for torque measurement is redefined and the major classes of torque sensors (i.e.,
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Several optical problems in the measurement of a shaft surface are discussed. This work proposes a novel contactless sensor to measure the micro torque of a rotating shaft based on the
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Thus, successful introduction of these new types of sensors will depend on balanced development of both sensing concepts and accompanying signal interrogation. This review article provides a review
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To solve the above problems, a self-decoupled six-dimensional force/torque sensor based on fiber Bragg grating (FBG) is proposed by combining the existing double-layer cross-beam
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The invention belongs to sensor technical field, particularly utilize optical fiber to carry out torsion parameter sensing, the fibre-optical sensing device of high-precision...
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In this paper, the system addresses torque measurement through advancements in both torque sensors and calibration algorithms, presenting a novel photoelectric torque measurement
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In order to realize high precision real-time measurement of torque, a high sensitivity torque sensor based on high power output fiber is proposed. The excitation mode, output power, torque sensitivity
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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
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Flexible force sensors are limited in perceptive dimension and performance. Here, the authors report a flexible six-axis force/torque sensor, enabling human and robots to dexterously
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Hoehn et al. (2017) have demonstrated potential of fibre optic sensors for measurement of high capacity torque of several kN and compression loads of several kNm in drilling rods to improve
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It takes a position between the low-accuracy, low-cost MEMS gyroscope and the higher-accuracy and higher-cost fiber optic gyroscope. Accuracy parameters are
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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
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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...
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Download Citation | On May 22, 2021, Qian-qian Ma and others published High power output fiber optic torque sensor with high sensitivity | Find, read and cite all the research you need on ResearchGate
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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
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This paper presents a fiber Bragg grating (FBG)-based six-dimensional (6-D) force/torque (F/T) sensor that can be mounted on robot joints for the detection of comprehensive force/torque...
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