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Mohammad Rashed Mia, Ming Zhao, Helen Wu, Vatsal Dhamelia and Pan Hu
A floating oscillating water column (OWC) wave energy converter (WEC) supported by mooring lines can be modelled as an elastically supported OWC. The main objective of this paper is to investigate the effects of the frequency ratio on the performance of ...
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Luis A. Pinzón, Luis G. Pujades, Albert Macau, Emilio Carreño and Juan M. Alcalde
Normally, the average of the horizontal-to-vertical (H/V) ratios of the 5% damped response spectra of ground motions is used to classify the site of strong-motion stations. In these cases, only the three-orthogonal as-recorded acceleration components are...
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Supun A. T. Randeni P., Alexander L. Forrest, Remo Cossu, Zhi Q. Leong and Dev Ranmuthugala
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Supun A. T. Randeni P., Alexander L. Forrest, Remo Cossu, Zhi Q. Leong and Dev Ranmuthugala
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Supun A. T. Randeni P., Alexander L. Forrest, Remo Cossu, Zhi Q. Leong and Dev Ranmuthugala
This work introduces a new method to calculate the water velocity components of a turbulent water column in the x, y, and z directions using Autonomous Underwater Vehicle (AUV) motion response (referred to as the ?WVAM method?). The water column velociti...
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Jie Yu, Jiquan Zhang and Ming Zhang
Rain clusters are mesoscale disaster weather systems, and some of rain clusters have spiral structures. In this paper, a theoretical model of spiral rain cluster is established under pseudo-adiabatic approximation, and its horizontal structure equation i...
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Xiongchuan Chen, Shuangcheng Zhang, Bin Wang, Guangwei Jiang, Chuanlu Cheng, Xin Zhou, Zhijie Feng and Jingtao Li
The motion of a continuously operating reference station is usually dominated by the long-term crustal motions of the tectonic block on which the station is located. Monitoring changes in the coordinates of reference stations located at tectonic plate bo...
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Shudong Liu, Zhenghao Ji, Yi He, Jing Lu, Gongpu Lan, Jia Cong, Xiaoyu Xu and Boyu Gu
An adaptive optics scanning laser ophthalmoscope (AOSLO) has the characteristics of a high resolution and a small field of view (FOV), which are greatly affected by eye motion. Continual eye motion will cause distortions both within the frame (intra-fram...
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Guoping Xiang, Tao Jiang, Qingwen Yang, Shenghua Cui, Ling Zhu, Yuhang He and Huajin Li
The Daguangbao (DGB) landslide was the largest landslide that was triggered by the 2008 Wenchuan earthquake with a magnitude of Ms8.0. The sliding surface of this landslide was constrained on a bedding fault 400 m below the ground surface. Seismic record...
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Filipp Kozin, Mahdi Akhloumadi and Danil Ivanov
In this paper, a planar air-bearing test bed with unmanned aerial vehicles (UAV) was used to test a microsatellite motion control system. The UAV mock-ups were controlled by four ventilator actuators that imitated the satellite thrusters and provided the...
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Xinyu Chen, Yunsheng Fan, Guofeng Wang and Dongdong Mu
This paper designs a cooperative control method for the multi-quadrotor suspension system based on consistency theory and realizes the cooperative formation trajectory tracking control of the multi-quadrotor suspension system by designing a consistent fo...
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Zichen Liu, Jing Zhou, Zhikun Wang, Haifu Zhou, Jie Chen, Xuanshuo Hu and Ying Chen
Autonomous underwater helicopter, referred to as AUH, has high maneuverability in the horizontal plane and stable movement in the vertical direction due to its disc shape. Thus, the AUH demonstrates great advantages when working in scenarios that require...
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Shi He and Aijun Wang
The numerical procedures for dynamic analysis of mooring lines in the time domain and frequency domain were developed in this work. The lumped mass method was used to model the mooring lines. In the time domain dynamic analysis, the modified Euler method...
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Roberto Algarín and Antonio Bula
Planing boat dynamics are a complex phenomenon and the maneuver forces acting on these kind of hulls are difficult to predict. In the current work, a mathematical model of a two-dimensional impact with three degrees of freedom (3DOF) is developed. The mo...
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Vittorio Casella, Filiberto Chiabrando, Marica Franzini and Ambrogio Maria Manzino
Unmanned aerial vehicle (UAV) systems are heavily adopted nowadays to collect high-resolution imagery with the purpose of documenting and mapping environment and cultural heritage. Such data are currently processed by programs based on the Structure from...
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Filip Ujakovic and Nejc ?arabon
Change of direction (COD) ability is essential for sport performance in high level team sports such as basketball, however, the influence of asymmetries on COD ability is relatively unknown. Forty-three junior and senior level elite basketball players pe...
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Wenhao Yang and Wenzeng Zhang
Based on the motion principle of bionic earthworms, we designed and fabricated a novel crawling robot driven by pneumatic power. Its structure is divided into four segments, and its motion process is periodic with high stability. Due to the pneumatic suc...
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Ivan Catipovic, Maro Corak, Neven Alujevic and Jo?ko Parunov
In this paper, a model for dynamic analysis of array of floating breakwaters is developed and tested. Special attention is given to modeling connections between neighboring elements of the array. A linear three-dimensional floating multi-body formulation...
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Hao Xu, Guo-Cheng Zhang, Yu-Shan Sun, Shuo Pang, Xiang-Rui Ran and Xiang-Bin Wang
The design, control, and implementation of an autonomous underwater vehicle (AUV) for collecting hydrological information from plateau rivers and lakes are presented in this paper. The hardware and software structures of the control system were previousl...
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Xingfu Zhang, Yongyi Zhang, Bofeng Li and Guangxin Qiu
In the construction of super-tall buildings, it is rather important to control the verticality. In general, a laser plummet is used to transmit coordinates of reference points from the ground layer-by-layer, which can effectively control the verticality ...
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