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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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Yaowen Zhang, Yechao Liu, Zongwu Xie, Yang Liu, Baoshi Cao and Hong Liu
This study investigates the visual servo control of the space station macro/micro manipulator system. The proposed approach is based on the position-based eye-in-hand visual servo (PBVS) and takes advantage of the hardware sensors to overcome the macro m...
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Hui Jiang, Hongya Fu, Zhenyu Han and Hongyu Jin
The effective way to improve the position accuracy of rotary table of ultra-heavy vertical milling lathe is to reduce or even eliminate the clearance of mechanical transmission structure. In this paper, a useful method for eliminating the gear clearance ...
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Yangshou Xiong, Kang Huang, Fengwei Xu, Yong Yi, Meng Sang and Hua Zhai
In light of ignoring the effect of backlash on mesh stiffness in existing gear dynamic theory, a precise profile equation was established based on the generating processing principle. An improved potential energy method was proposed to calculate the mesh...
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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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Anna Kosovac, Anna Hurlimann and Brian Davidson
In the context of a changing urban environment and increasing demand due to population growth, alternative water sources must be explored in order to create future water security. Risk assessments play a pivotal role in the take-up of new and unfamiliar ...
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Mingming Zhao and Jinchen Ji
This paper studies the dynamic response of a wind turbine gearbox under different excitation conditions. The proposed 4 degree-of-freedom (DOF) dynamic model takes into account the key factors such as the time-varying mesh stiffness, bearing stiffness, d...
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Lyn Snodgrass
Pág. 57 - 70
This article explores the complexities of gender-based violence in post-apartheid South Africa and interrogates the socio-political issues at the intersection of class, â??raceâ?? and gender, which impact South African women. Gender equality is up agains...
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Aida Mahmudah
The need of micro part become increasingly popular which make increase of the need of prodution technology with high accuracy, productivity, efficiency, and reliability.Metal forming technology offers the solution to answer the challenge. High produtivit...
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Jong-Yun Yoon and Byeongil Kim
Torsional systems with gear pairs such as the gearbox of wind turbines or vehicle driveline systems inherently show impact phenomena due to clearance-type nonlinearities when the system experiences sinusoidal excitation. This research investigates the vi...
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