Results 31 to 40 of about 35,267 (307)
Investigating wind turbine dynamic transient loads using contactless shaft torque measurements
The wind industry is showing increasing awareness about the importance of long-term direct shaft mechanical torque measurements to fully understand wind turbine (WT) dynamics, adopt proactive solutions for extreme load mitigation and enhance condition ...
Donatella Zappalá +3 more
doaj +1 more source
Flux observer algorithms for direct torque control of brushless doubly-fed reluctance machines [PDF]
Direct Torque Control (DTC) has been extensively researched and applied to most AC machines during the last two decades. Its first application to the Brushless Doubly-Fed Reluctance Machine (BDFRM), a promising cost-effective candidate for drive and ...
Chaal, Hamza, Jovanovic, Milutin
core +2 more sources
High-precision reducer is the core component of industrial robots. In order to achieve the comprehensive performance testing of precision reducers, an instrument with a vertical layout and a cylindrical structure is designed.
Zhen Yu, Yuan Zhang
doaj +1 more source
A review of using the force/torque sensor in robotics application [PDF]
Nowadays, force/torque sensors ubiquitous in the robotics field. Most of the robots on the assembly line use a force/torque sensor in a complex assembly process.
Abdul Manaf, Mohamad Shukri +3 more
core
Physical and Chemical Roles of Metalworking Fluids in a Vibration-Assisted Tapping System
A vibration-assisted tapping system has been developed in which a piezoelectric-zirconate-titanate (PZT) oscillator applies small-amplitude vibrations to a workpiece and a torque transducer measures the time-evolving torque during the tapping process. To
Takeshi NOGAMI, Ken NAKANO
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SAW torque transducers for disturbance rejection and tracking control of multi-inertia servo-drive systems [PDF]
The paper proposes a resonance ratio control (RRC) technique for the coordinated motion control of multi-inertia mechanical systems, based on the measurement of shaft torque via a SAW-based torque sensor. Furthermore, a new controller structure, RRC plus
Bingham, C M +2 more
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The purpose of this work is to develop a new methodology that uses the minimum numbers of strain gauges, strain grids, and measurement channels to calculate the bending moment and torque in a slender circular beam under combined loading from measured ...
Bernard J Socha +2 more
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Design of Unimorph Type 3DOF Ultrasonic Motor
A new design of 3 degrees of freedom (DOF) piezoelectric ultrasonic motor (USM) is introduced in this paper. The concept of this design is to incorporate a spherical rotor between two piezoelectric transducers.
Vytautas Jūrėnas +2 more
doaj +1 more source
Objectives To evaluate the efficacy of a novel mount with torque control for tightening of Osstell® transducers and to determine the reliability of recorded ISQ measurements from implants placed in various bone densities.
David Naughton +2 more
doaj +1 more source
Evaluation of Axial Preload in Different-Frequency Smart Bolts by Laser Ultrasound
We report here on a laser ultrasonic system to indirectly evaluate the preload force of different-frequency piezoelectric bolts. This newly developed system enables us to achieve the goal of non-contact excitation and synchronously collects the laser ...
Guanpin Ren +5 more
doaj +1 more source

