Results 281 to 290 of about 2,421,287 (341)
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A novel reactive-type joint torque sensor with high torsional stiffness for robot applications
Mechatronics (Oxford), 2019If a collaborative robot can measure contact force when in contact with the environment or humans, it can achieve better performance on collision detection, hand guiding, and force control. In order to achieve this, joint torque sensors are often mounted
Jae-Kyung Min +3 more
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Optical Torque Sensor Development
2010The purpose of this study is to develop a contactless torque sensor in the mNm range. The applied optical method is based on the birefringe effect of photoelastic materials. The novelty of the modified reflective photoelastic method is the application of a photoelastic tube as a coupling and measuring element between shafts.
P. Horváth, A. Nagy
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Design of a Novel Elastic Torque Sensor for Hand Injuries Rehabilitation Based on Bowden Cable
IEEE Transactions on Instrumentation and Measurement, 2019Rehabilitation of the hands is critical to the recovery of functions in daily life for individuals with hand injuries. It is documented that robots with force control can help patients effectively in limb rehabilitation.
Fuhai Zhang, Lei Yang, Yili Fu
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Magnetostrictive Torque Sensors and Materials
IEEE Translation Journal on Magnetics in Japan, 1992Shaft torque sensors based on the magnetostriction effect and magnetostrictive materials used in such sensors are reviewed. Torque sensors employing amorphous ribbons in a chevron pattern and with solenoidal pickup coils have been developed for highly sensitive torque measurements in an intermediate dynamic range.
I. Sasada, K. Harada
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Multi-Axial Force/Torque Sensor Calibration Method Based on Deep-Learning
IEEE Sensors Journal, 2018The multi-axial force/torque sensor for advanced robotic applications utilizes the internal strain of deformable structure for its measurement. Thus, there exist coupling and errors due to nonlinearity caused from the variation of the electric signal ...
H. Oh +4 more
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Variable magnetic circuit torque sensor
Journal of Applied Physics, 1991This paper presents an original torque sensor structure using the properties of magnetic circuits, including permanent magnets. The torque is measured through the torsion of the transmitting shaft. The torsion is proportional to the torque. Considering two points of the shaft on the same line in absence of torque, the information is given by the ...
G. Lemarquand, V. Lemarquand
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Design, Development and Calibration of a Lightweight, Compliant Six-Axis Optical Force/Torque Sensor
IEEE Sensors Journal, 2018This 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.
Osama Al-Mai, M. Ahmadi, J. Albert
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Torque control of electric motors without using torque sensor
2007 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2007Accurate torque control of a brushless motor requires the motor's torque characteristics, which can be captured by a periodic function in motor angle. This paper presents a direct adaptive controller for torque control of brushless motors, which estimates the Fourier coefficients of the periodic function based on the measurements of motor phase voltage
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Torque Sensor Embedded Actuator Module for Robotic Applications
IEEE/ASME transactions on mechatronics, 2018Measuring accurate torque is a core ability of advanced robotic technologies. However, embedding torque-sensing systems into robot joints are still a challenge due to limitations including size, weight, and cost. Moreover, the influence from axial forces/
Y. Kim +5 more
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2002
The SI (Systeme International) unit of measurement for force F is the „Newton“ (N), which is one of the 7 base units of that system. In practice, large forces are usually expressed in kN (kilonewton) or MN (meganewton) while for small forces, the mN (millinewton) is used.
openaire +1 more source
The SI (Systeme International) unit of measurement for force F is the „Newton“ (N), which is one of the 7 base units of that system. In practice, large forces are usually expressed in kN (kilonewton) or MN (meganewton) while for small forces, the mN (millinewton) is used.
openaire +1 more source