Results 51 to 60 of about 3,845,868 (264)

Evolutionary Computation-Based Active Mass Damper Implementation for Vibration Mitigation in Slender Structures Using a Low-Cost Processor

Actuators, 2023
This work is devoted to design, implement and validate an active mass damper (AMD) for vibration mitigation in slender structures. The control law, defined by means of genetic algorithm optimization, is deployed on a low-cost processor (NI myRIO-1900 ...
César Peláez-Rodríguez, Alvaro Magdaleno, Álvaro Iglesias-Pordomingo, Jorge Pérez-Aracil   +3 more
doaj   +1 more source

Control of pedestrian-induced vibrations of long-span bridges

Structural Control and Health Monitoring, 2006
Sealed tuned liquid column dampers, with a gas-spring effect taken into account are ideally suited to increase the effective structural damping of bridges vibrating in the low-frequency band, up to about 5 Hz. Modal tuning in analogy to the classical mechanical damper followed by fine-tuning in state space, render the parameter optimal and the control ...
M. Reiterer, F. Ziegler
openaire   +1 more source

Nonlocomotory Robotic Strategies for Dynamic Rotation Control in Terrestrial Robots: A Review

Advanced Robotics Research, EarlyView.
Terrestrial robots increasingly require rapid body rotation to maintain stability and agility in complex environments. This review shows nonlocomotory rotational control strategies that operate without ground contact, including reaction wheels, tails, bars, limbs, and thrusters.
Y. Liang, J. An, X. Zheng, D. Wang, S. Wang, X. Wang, P. Zhu, J. Pei, S. Li, J. Paripurana, Y. Han, Z. Tang, X. Gan, Q. He, X. Ma   +14 more
wiley   +1 more source

Experimental study of pedestrian-induced vibration of cross-laminated timber floors

Design of long-span and lightweight building floors has increasingly been governed by vibration criteria, and cross-laminated timber (CLT) floors are no exception. Due to their high stiffness to-mass ratio, CLT floors are highly susceptible to pedestrian-induced vibrations.
Nefovska-Danilović, Marija, Racić, Vitomir, Glišović, Ivan, Popović, Marko, Todorović, Marija, Milojević, Marija, Cvetković, Radovan, Simović, Nađa   +7 more
core   +3 more sources

Biomechanically influenced mobile and participatory pedestrian data for bridge monitoring

International Journal of Distributed Sensor Networks, 2017
Future structural health monitoring systems are evolving toward crowdsourced, autonomous, sustainable forms based on which damage-indicative structural features can be identified.
Ekin Ozer, Maria Q Feng
doaj   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Pedestrian-Induced Vibration of a Simply-Supported Beam

Journal of Mechanics, 2016
AbstractThis paper presents an analytical approach to analyze the vertical vibration of a simply supported beam subjected to pedestrian-induced loads. The loading time history of an individual footstep is simplified as a rectangular force pulse, and each identical footstep load acts at different locations along the beam depending on a step length ...
openaire   +1 more source

Distributed lock-in drives broadband vortex-induced vibrations of a long flexible cylinder in shear flow [PDF]

, 2013
A slender flexible body immersed in sheared cross-flow may exhibit vortex-induced vibrations (VIVs) involving a wide range of excited frequencies and structural wavenumbers.
Triantafyllou, Michael S., Karniadakis, George E., Bourguet, Rémi   +2 more
core   +1 more source

Degradable Magnetic Composites from Recycled NdFeB Magnets for Soft Actuation and Sensing

Advanced Robotics Research, EarlyView.
This work presents a degradable soft magnetic composite made from recycled NdFeB particles embedded in a gelatin‐based organogel. The material is processed into magnetic sensors and soft robotic components, which can later be dissolved in a green solvent to recover NdFeB magnetic particles.
Muhammad Bilal Khan, Lin Guo, Kilian Schäfer, Eduardo Sergio Oliveros‐Mata, Xiaotao Wang, Florian Hofmann, Matthias Lutzi, Mark Suppelt, Proloy Taran Das, Jan Schmidtpeter, Imants Dirba, Stephan Rinderknecht, Mario Kupnik, Denys Makarov, Oliver Gutfleisch   +14 more
wiley   +1 more source

Numerical and experimental comparisons of vortex-induced vibrations of marine risers in uniform/sheared currents [PDF]

, 2010
This paper presents a general theoretical reduced-order model capable of evaluating the multi-mode nonlinear dynamics of marine risers subject to uniform and sheared currents.
Wiercigrocha, Marian, O'Brien, Patrick, Srinil, Narakorn   +2 more
core   +3 more sources