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Huixuan Fu, Wenjing Yao, Ricardo Cajo and Shiquan Zhao
The motion of unmanned surface vehicles (USVs) is frequently disturbed by ocean wind, waves, and currents. A poorly designed controller will cause failures and safety problems during actual navigation. To obtain a satisfactory motion control performance ...
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Giovanni Amadasi, Antonella Bevilacqua, Gino Iannace and Amelia Trematerra
Thousands of theatres were built during the Hellenistic period in Greece and overseas colonies. The main elements of the Hellenistic theatre are the following: the orchestra, where music and songs were performed to accompany the acting performance, and t...
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Pascal Fossat, Madhurima Kothakota, Mohamed Ichchou and Olivier Bareille
This work addresses the dynamic modeling of a negative stiffness absorber consisting of an assembly of curved beams. Design rules are derived from the orders of magnitude of stiffness and elastic energy stored by the negative stiffness elements. Although...
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Bowen Liu and Malwane M. A. Ananda
It is observed that, for some of the data in engineering and medical fields, the hazard rates increase to a high peak at the beginning and quickly decrease to a low level. In the context of survival analysis, such a hazard rate is called a upside-down ba...
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Penghao Zhao, Jianhua Liu, Hao Gong and Fenqi Xue
Loosening failure of bolted joints often occurs in a vibration environment. This may induce the separation of clamped components and even result in catastrophic consequences in certain situations. Various anti-loosening bolted connections have been devel...
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