Results 61 to 70 of about 117,872 (291)

Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

A low-cost Stewart platform-based multi-axis force/torque sensor using strain gauges [PDF]

open access: yesMATEC Web of Conferences
This paper introduces a new approach to build a multi-axis force/torque sensor using a low-cost pre-made strain gauge-based load cells available on the market.
Noh Yohan   +3 more
doaj   +1 more source

Surface micromachined mechanisms and micromotors [PDF]

open access: yes, 1991
Electric micromotors are sub-millimeter sized actuators capable of unrestrained motion in at least one degree of freedom. Polysilicon surface micromachining using heavily phosphorus-doped LPCVD polysilicon for the structural material, LPCVD silicon ...
Mehregany, Mehran, Tai, Yu-Chong
core   +1 more source

Development of Magnetostrictive Torque Sensor.

open access: yesDENKI-SEIKO[ELECTRIC FURNACE STEEL], 1991
It is important to measure the torque directly for watching or controlling the torque of rotary driving system. Though various types of torque sensors were developed, most of them were designed and manufactured for experiments and were not suitable for in-line use.
Masashi Mizuno, Katsuhiro Kojima
openaire   +2 more sources

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

An Acceleration-Observer-Based Position and Load Torque Estimation Method for Wind Turbine with Sensor Faults

open access: yesEnergies
Speed, position, and load torque information are crucial for the stable control of wind turbines, and existing control methods heavily rely on position and torque sensors to obtain these parameters.
Ziyun Wu   +4 more
doaj   +1 more source

Comparison of experimental and numerical sloshing loads in partially filled tanks [PDF]

open access: yes, 2009
Sloshing phenomenon consists in the movement of liquids inside partially filled tanks, whichgenerates dynamic loads on the tank structure. Resulting impact pressures are of great importance in assessingstructural strength, and their correct evaluation ...
Brizzolara, S.   +9 more
core   +3 more sources

Dynamic Testing of Cold Gas Sprayed Bipolar Plates–Porous Transport Layer Coating System in Proton Exchange Membrane Water Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin   +5 more
wiley   +1 more source

Development of a Torque Sensor for Robot Actuators With Overload Protection

open access: yesIEEE Access
This study proposes the development of a one-axis torque sensor that can be integrated into robotic joint actuators, featuring an innovative structural design with enhanced overload protection.
Kwon-Hui Lee, Bumjoo Lee
doaj   +1 more source

Estimation for torques applied to the master side in a construction robot teleoperation system

open access: yesMATEC Web of Conferences, 2016
The purpose of this research is to develop a method that measures a torque which an operator applies to the joystick without using a torque/force sensor on a joystick.
Huang Lingtao   +3 more
doaj   +1 more source

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