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Yuan Wei, Renliang Chen, Ye Yuan and Luofeng Wang
This study assesses the influence of engine dynamic characteristics on helicopter handling quality during hover and low-speed forward flight. First, we construct the helicopter?engine coupling model (HECM) based on the power-matching relationship between...
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Péter Bauer and Mihály Nagy
Research and industrial application can require custom high-level controllers for industrial drones. Thus, this paper presents the high-fidelity dynamic and control model identification of the DJI M600 Pro hexacopter. This is a widely used multicopter in...
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Riccardo Cadamuro, Maria Teresa Cazzola, Nicolò Lontani and Carlo E. D. Riboldi
Sounding rockets constitute a class of rocket with a generally simple layout, being composed of a cylindrical center-body, a nosecone, a number of fins placed symmetrically around the longitudinal axis (usually three or four), and possibly a boat-tail. T...
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Mingsheng Chen, Lenan Yang, Xinghan Sun, Jin Pan, Kai Zhang, Lin Lin, Qihao Yun and Ziwen Chen
Evidence points to increasing the development of floating wind turbines to unlock the full potential of worldwide wind-energy generation. Barge-type floating wind turbines are of interest because of their shallow draft, structural simplicity, and moonpoo...
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Jin Pan, Yong Wang, Tao Wang and Mingcai Xu
With the development of bridge crossings over rivers, the accident of the vessel?bridge collision is increasing as well. It is important to assess probability of bridges colliding with passing ships. Firstly, the AIS (Automatic identify system) data was ...
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Long Li, Yiming Peng, Yifeng Wang, Xiaohui Wei and Hong Nie
Arresting gear systems play a vital role in carrier-based aircraft landing. In order to accurately understand the process of arresting hook and cable, this study introduces a parameter inversion method to model the arresting cable and applies it to the t...
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Yuanxing Zhao, Xuan Gong, Jianwen Wang, Liru Zhang and Yefei Bai
The dynamic yaw significantly affects the aerodynamic load distribution of wind turbines, and the aerodynamic load is one of the main influencing factors of wind turbine structural stress variation. Taking the NACA4415 horizontal axis wind turbine design...
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Yuhui An, Lin Wang, Xiaoting Deng, Hao Chen, Zhixiong Lu and Tao Wang
Traditional tractors can only achieve steering through mechanical structures such as steering knuckles and steering trapezoids. Among them, the mechanical structure is more complex, and various parts are easily damaged, making the tractor malfunction. Th...
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Weiwei Qi, Mingbo Tong, Qi Wang, Wei Song and Hunan Ying
In this research, the design of a robust curved-line path-following control system for fixed-wing unmanned aerial vehicles (FWUAVs) affected by uncertainties on the latitude plane is studied. This is undertaken to enhance closed-loop system robustness un...
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Jiwei Tang, Shilong Bai, Weicheng Xie, Junjie Wu, Hanjie Jiang and Yuxuan Sun
The stratospheric airship is taken as the research object, and the motion mode analysis of the stratospheric airship is carried out. The influence of key parameters such as the center of mass, the center of buoyance, and the aerodynamic stability moment ...
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