490   Artículos

 
en línea
Rudi Uswarman, Swadexi Istiqphara, Rajif Agung Yunmar, Arkham Zahri Rakhman     Pág. 135 - 143
Sliding Mode Control (SMC) used to control the stability of a quadcopter from disturbances and uncertainties. This technique has two main advantages: the nonlinear dynamics and modelling errors of the quadcopter can be eliminated by switching function an... ver más
Revista: Journal of Science and Applicative Technology    Formato: Electrónico

 
en línea
Chunyu Song, Teer Guo, Jianghua Sui and Xianku Zhang    
In order to solve the problem of the dynamic positioning control of large ships in rough sea and to meet the need for fixed-point operations, this paper proposes a dynamic positioning controller that can effectively achieve large ships? fixed-point contr... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Shizhen Li, Qinfeng Wu, Yufeng Liu, Longfei Qiao, Zimeng Guo and Fei Yan    
To mitigate the interference of waves on an offshore operation ship, heave compensation systems find widespread application. The performance of heave compensation systems significantly influences the efficiency and safety of maritime operations. This stu... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Rong Li, Zhengliang Yang, Gaowei Yan, Long Jian, Guoqiang Li and Zhiqiang Li    
This paper uses the adaptive dynamic programming (ADP) method to achieve optimal trajectory tracking control for quadrotors. Relying on an established mathematical model of a quadrotor, the approximate optimal trajectory tracking control, which consists ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jin Wang, Peng Zhao, Zhe Zhang, Ting Yue, Hailiang Liu and Lixin Wang    
The upset state is an unexpected flight state, which is characterized by an unintentional deviation from normal operating parameters. It is difficult for the pilot to recover the aircraft from the upset state accurately and quickly. In this paper, an ups... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Shilei Cao, Man Yang and Jian Liu    
Due to its advantages of easy deployment and high stiffness-to-mass ratio, the utilization of truss structures for constructing large satellites presents an appealing solution for modern space missions, including Earth observation and astronomy. However,... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Sheng Liu, Jian Song, Lanyong Zhang and Yinchao Tan    
The three-degree-of-freedom (3-DOF) stabilized control system for ship propulsion-assisted sails is used to control the 3-DOF motion of sails to obtain offshore wind energy. The attitude of the sail is adjusted to ensure optimal thrust along the target c... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Qiufang Dai, Ziwei Chen, Guanfa Wu, Zhen Li, Shilei Lv and Weicheng Huang    
Agricultural environments are usually characterized by height differences and tree shading, which pose challenges for communication in smart agriculture. This study focuses on optimizing the packet loss rate and power consumption of LoRa?s practical comm... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Peng Xue, Qing Li and Guodong Fu    
Aiming at the current complex problem of the mechanized high-quality picking of tender tea buds, this paper designs a tender tea bud-picking manipulator. In the picking process, the quality of the petiole and leaf blade of the tender tea bud is crucial, ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Konstantinos Mantalovas, Iain Peter Dunn, Francesco Acuto, Vineesh Vijayan, Laura Inzerillo and Gaetano Di Mino    
Resource depletion and climate change, amongst others, are increasingly worrying environmental challenges for which the road engineering sector is a major contributor. Globally, viable solutions that comply with the principles of circular economy (CE) ar... ver más
Revista: Infrastructures    Formato: Electrónico

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