Results 101 to 110 of about 37,630 (312)

Effect of Rubber Soil Backfill on Vibration Isolation of Open-cut Tunnels

open access: yesChengshi guidao jiaotong yanjiu
[Objective]During the operation of urban rail transit, the train operation induced vibration can damage buildings and precision instruments along the line, and even affect people's daily lives. Therefore, effective vibration reduction measures need to be
YIN Donghao   +3 more
doaj   +1 more source

Analysis of Vibration Reduction by Damping Using Simple Analytical Modelling

open access: yesShock and Vibration, 2018
The performance of different solutions to global vibration reduction using external damping is discussed. The solutions are either uneven distribution of structural damping or use of vibration absorbers.
Goran Pavić
doaj   +1 more source

Active vibration isolation using an electrical damper or an electrical dynamic absorber

open access: yes, 2008
This paper describes a theoretical and experimental study to show how an electrical damper or an electrical dynamic absorber, implemented using an electromagnetic actuator and an accelerometer, can control vibration transmission through a vibration ...
Pietrzko, S.   +2 more
core   +1 more source

A Soft Robotic Fish With a Dielectric Elastomer Actuator Body and Negative Stiffness Spine

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces a bio‐mimetic soft robotic fish driven by fiber‐reinforced dielectric elastomer actuators integrated as its body. By prestretching this active skin against a flexible spine, a negative stiffness system is created, enabling large‐amplitude bending.
Markus Koenigsdorff   +4 more
wiley   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

open access: yesAdvanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou   +4 more
wiley   +1 more source

Acoustic characteristics of ladder sleeper damping track on urban rail transit bridge lines

open access: yesJournal of Low Frequency Noise, Vibration and Active Control
The development of urban rail transit confronts numerous challenges such as vibration and noise. To mitigate the impact of environmental vibration, various damping measures have been implemented.
Xiaoyun Zhang   +5 more
doaj   +1 more source

Study on Vibration Damping Characteristics of Mounting Structure Based on the High Damping Alloy Material

open access: yesApplied Sciences
The high damping alloy materials, by virtue of the excellent mechanical properties and damping performance generated by the material’s properties and internal friction mechanism, can be employed directly in the reduction of structural vibrations.
Junzhe Lin   +6 more
doaj   +1 more source

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

Vibration reduction analysis and test verification of aero bevel gear damping rings

open access: yesJixie chuandong
ObjectiveAn aero spiral bevel gear system was taken as the research object. The purpose was to reduce the resonance amplitude of the gear with the pitch diameter vibration mode.
QIAN Lulu, ZHANG Huanzhang, JIA Yaping
doaj  

Learning‐Based Soft Robotic Grasping: Recent Progress and Remaining Challenges

open access: yesAdvanced Robotics Research, EarlyView.
This review analyzes learning‐based soft robotic grasping from a pipeline‐oriented perspective, encompassing soft gripper design, multimodal sensing, and learning‐based planning and control. It surveys key neural network architectures and benchmark datasets and identifies critical challenges such as sim‐to‐real transfer, generalization, and continual ...
Arnab Majumder   +3 more
wiley   +1 more source

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