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Jianchao Qiu, Weihan Qiu, Anqi Niu, Guangdong Han, Shenghai Wang and Yuqing Sun
The safety transfer on the sea is threatened by wind, wave and surge loads. An offshore gangway ensures smooth and safe transfer by compensating the ship?s motion. In a mixed offshore gangway system, the transfer gangway is a huge asymmetric load on top ...
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Marcin Bakala, Piotr Duch and Piotr Ostalczyk
This paper proposes a simple mathematical model based on the variable fractional-order difference equation of a robot arm. The model of the described arm does not consider the impact of the movement of the mobile platform, it was assumed that all degrees...
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Xin Qian, Yu Fan, Yaguang Wu, Wenjun Wang and Lin Li
Stability analysis of lateral?torsional coupled vibration is obligatory for rotating machinery, such as aero-engines. However, the state-of-the-art method may lead to stability misjudgment under different coordinate systems. The cause of this misjudgment...
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Shanzhen Xu, Xiang Tian, Cheng Wang, Youning Qin, Xiaohu Lin, Jingxuan Zhu, Xiaodong Sun and Tiandong Huang
For parallel hybrid electric vehicles (HEVs), the clutch serves as a vital enabling actuator element during mode transitions. The expected drivability and smoothness of parallel HEVs are difficult to be achieve owing to the neglect of clutch-torque-induc...
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Wenxi Wang, Zhilin Yang, Renkang Hu, Xugang Hua and Xiuyong Wang
Active control of a stay cable through changing its tension is an effective way to lower the vibration amplitude. In this paper, active tendon control of a stay cable using a giant magnetostrictive actuator (GMA), which can generate axial deformation in ...
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An Zhu, Haiping Ai and Li Chen
In order to prevent joints from being damaged by impact force in a space robot capturing satellite, a spring-damper device (SDD) is added between the joint motor and manipulator. The device can not only absorb and attrition impact energy, but also limit ...
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Hyunsu Kim and Sangwoo Lee
Recently, increased public interest in pollution caused by fossil fuels has prompted studies on various renewable energy sources. As it is important to ensure power generation efficiency in energy harvesting, research in this area continues. Therefore, t...
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Yun Qin, Qinghua Song, Zhanqiang Liu and Jiahao Shi
In this paper, the vibration analysis of a partially constrained layer damping plate subjected to moving loads is investigated. In addition, the first four order damping loss factor of the system is optimized with the location of partially constrained la...
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Leonid Kutsenko,Volodymyr Vanin,Andrii Naidysh,Sergii Nazarenko,Andrii Kalynovskyi,Andrii Cherniavskyi,Olga Shoman,Victoria Semenova-Kulish,Oleksandr Polivanov,Elizaveta Sivak
Pág. 88 - 102
A geometric model of a new method of delivering fire-extinguishing substances to a fire zone located at a considerable distance was offered. The idea of delivery is based on the mechanical action of throwing. To this end, a substance (e.g. extinguishing ...
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Borys Liubarskyi,Natalia Lukashova,Oleksandr Petrenko,Bagish Yeritsyan,Yuliia Kovalchuk,Liliia Overianova
Pág. 44 - 52
A procedure has been devised for modeling the dynamic processes in the proposed structure of an electromechanical shock absorber. Such shock absorbers can recuperate a part of the energy of oscillations into electrical energy allowing the subsequent poss...
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