Results 141 to 150 of about 31,734 (309)

Design and Modeling of a High‐Displacement, Skin‐Integrated Flexible Electromagnetic Actuator for Haptic Interfaces in Virtual Reality

open access: yesAdvanced Robotics Research, EarlyView.
A flexible, skin‐integrated electromagnetic actuator is developed for wearable virtual/augmented reality (VR/AR) haptic systems. A tunable design model enables control over displacement and resonance frequency. The system is validated through a custom VR application with a 6 × 4 actuator array, demonstrating real‐time, spatially targeted tactile ...
Naji Tarabay   +9 more
wiley   +1 more source

Analysis of harmonic distortion levels on a distribution network

open access: yes, 2007
It is generally acknowledged that harmonic distortion levels on distribution networks are slowly but steadily increasing due to the proliferation of non-linear loads.
Victor Gosbell (19583338)   +2 more
core  

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Management of Harmonic Distortion for Large Renewable Energy Generation

open access: yes, 2023
Power system harmonic distortion continues to be an area of concern for both network service providers (NSPs) and connected customers. As a general principle, NSPs are responsible for managing harmonic voltage distortion within bounds that ensure safe ...
Duane Robinson (19983405)   +2 more
core  

Harmonic distortion of a saturated transistor

open access: yesElectronics Letters, 1967
Formulas for the Fourier expression of the voltage drop across a saturated transistor when driven by a sinusoidal current are developed. The transistor-junction asymmetry, as well as the effects of any bias current, are combined into a generalised symmetry factor which is used as a parameter in the evaluation of the harmonic distortion coefficients.
openaire   +1 more source

Intelligent Maintenance Review for Robots: Multimodal Information, Deep Diagnosis and Embodied Artificial Intelligence

open access: yesAdvanced Robotics Research, EarlyView.
This review maps the methods to monitor robots’ health by fusing vibration, sound, control signals, vision, force, and oil information with artificial intelligence. It identifies deep learning, transfer learning, digital twins, and physics‐informed models as key methodological pathways enabling earlier diagnosis, safer human–robot collaboration, and ...
Yuting Qiao   +6 more
wiley   +1 more source

Harmonic Distortion Analysis and Improvement for an Integrated Steel Factory

open access: yes, 2006
The objective of this thesis is to analyze the power harmonic distortion of a steel factory and to mitigate the distortion by passive filters. The mathematical harmonic model of the industrial power system is built according to the power system network ...
Huang, Chien-Ming
core  

Harmonic Distortion in Fully-Differential Switched-Current Sigma-Delta Modulators [PDF]

open access: yes, 1999
Harmonic distortion in SD modulators (SDMs) implemented with fully-differential switched-current (SI) circuits. Closed form expressions are derived for the third-order harmonic distortion in both lowpass and bandpass SDMs. For the latter, the third-order
Río, Rocío del   +9 more
core  

Double Fourier Integral for Modelling Harmonic Distortion of Rectifiers to Improve Harmonic Emission Estimation in Industrial Installations

open access: yes, 2023
There has already been significant work done to aid in the understanding and quantification of the effects of harmonic emissions from controlled and uncontrolled rectifiers, as well as pulse width modulated (PWM) rectifiers, in electrical networks ...
Raed Abdelqader (20278566)
core  

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