scholarly journals Collaborative Development and Simulation of an Aircraft Hydraulic Actuator Model

2020 ◽  
Author(s):  
Clément Coïc ◽  
Johan Andreasson ◽  
Johan Akesson ◽  
Anand Pitchaikani ◽  
Hemanth Sattenapalli
Keyword(s):  
Hydraulic Actuator ◽  
Collaborative Development

Control of Vibrations due to Moving Loads on Suspension Bridges

2006 ◽  
Vol 11 (3) ◽  
pp. 293-318 ◽  
Author(s):  
M. Zribi ◽  
N. B. Almutairi ◽  
M. Abdel-Rohman
Keyword(s):  
Bridge Deck ◽  
Suspension Bridge ◽  
Lyapunov Theory ◽  
Dynamic Responses ◽  
Suspension Bridges ◽  
Control Force ◽  
Moving Loads ◽  
Hydraulic Actuator ◽  
Long Span ◽  
Suspended Cables

The flexibility and low damping of the long span suspended cables in suspension bridges makes them prone to vibrations due to wind and moving loads which affect the dynamic responses of the suspended cables and the bridge deck. This paper investigates the control of vibrations of a suspension bridge due to a vertical load moving on the bridge deck with a constant speed. A vertical cable between the bridge deck and the suspended cables is used to install a hydraulic actuator able to generate an active control force on the bridge deck. Two control schemes are proposed to generate the control force needed to reduce the vertical vibrations in the suspended cables and in the bridge deck. The proposed controllers, whose design is based on Lyapunov theory, guarantee the asymptotic stability of the system. The MATLAB software is used to simulate the performance of the controlled system. The simulation results indicate that the proposed controllers work well. In addition, the performance of the system with the proposed controllers is compared to the performance of the system controlled with a velocity feedback controller.

Modelling a Subsea Hydraulic Actuator for Ultra-Deep Water

2017 ◽  
Author(s):  
Rafael Matos Goularte ◽  
Victor Juliano De Negri ◽  
Alexandre Orth
Keyword(s):  
Deep Water ◽  
Hydraulic Actuator

Intervention

2017 ◽  
Author(s):  
James Saunders ◽  
Simon Limbrick
Keyword(s):  
Creative Process ◽  
Collaborative Development ◽  
Words And Images ◽  
Sonic Activation

This Intervention traces, through email exchanges and blog correspondence, the evolution of a piece for percussion (surfaces) written by James Saunders for Simon Limbrick. The full piece is intended to last twenty-four hours in performance, and involves the sonic activation and exploration of a variety of materials by means of a whole array of techniques. The collaborative development of surfaces is documented in words and images over the ten months from first ideas to first performance, revealing the intertwining of material, conceptual, practical and aesthetic considerations in the creative process.

A neural network-based inversion method of a feedback linearization controller applied to a hydraulic actuator

2021 ◽  
Vol 43 (5) ◽  
Author(s):  
Fábio Augusto Pires Borges ◽  
Eduardo André Perondi ◽  
Mauro André Barbosa Cunha ◽  
Mario Roland Sobczyk
Keyword(s):  
Neural Network ◽  
Feedback Linearization ◽  
Inversion Method ◽  
Hydraulic Actuator
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