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Leonardo Baldo, Ivana Querques, Matteo Davide Lorenzo Dalla Vedova and Paolo Maggiore
The deployment of electro-mechanical actuators plays an important role towards the adoption of the more electric aircraft (MEA) philosophy. On the other hand, a seamless substitution of EMAs, in place of more traditional hydraulic solutions, is still set...
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Kwang-Hee Lee, Hyungjong Kim and Tae-Yong Kuc
This paper presents a state observer for an elastic joint with nonlinear friction via the information from an acceleration sensor. In order to avoid discontinuities, the nonlinear friction of the motor, which includes static, coulomb, and viscous terms, ...
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Zongyuan Mao, Hao Guo, Yongkang Wu, Enzhi Wang and Xu Li
This paper introduces a new type of prestressed uplift pile that adopts the semi-bonded composite anchor as the main reinforcement. An in-situ experimental study was carried out to investigate the new pile?s deformation, stress, bearing capacity, and cra...
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Baptiste Chomette and Jean-Jacques Sinou
Friction-Induced Vibration and noisE (FIVE) is still a complex and nonlinear physical phenomenon which is characterized by the appearance of instabilities and self-sustained vibrations. This undesirable vibrational phenomenon is encountered in numerous i...
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Antonio Saporito, Adam Persson, Lars Larsson and Antonio Mancuso
Parallel-sided foil sections are used for centerboards and rudders in sailing dinghy classes and also for struts placed in a fluid flow. The objective of this work is to create a systematic series of parallel-sided sections to be used under different con...
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Zhaohui Hong, Dengfeng Fu, Wenbin Liu, Zefeng Zhou, Yue Yan and Shuwang Yan
Subsea pipelines are commonly employed in the offshore oil and gas industry to transport high-pressure and high-temperature (HPHT) hydrocarbons. The phenomenon of pipeline walking is a topic that has drawn a great deal of attention, and is related to the...
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Pavel Khristo
Pág. 15 - 35
The influence of unadjustable-speed AC drive and adjustable-speed DC drive of the drydock main pumps on the network of the Okean shipyard (Ukraine) is investigated in MatLab SimPowerSystems.To accurately simulate deep-bar induction motors, the own method...
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Satyam Paul and Ruben Morales-Menendez
In order to achieve a high-quality machining process with superior productivity, it is very important to tackle the phenomenon of chatter in an effective manner. The problems like tool wear and improper surface finish affect the milling process and are c...
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Matteo D. L. Dalla Vedova, Alfio Germanà, Pier Carlo Berri and Paolo Maggiore
Traditional hydraulic servomechanisms for aircraft control surfaces are being gradually replaced by newer technologies, such as Electro-Mechanical Actuators (EMAs). Since field data about reliability of EMAs are not available due to their recent adoption...
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