55   Artículos

 
en línea
Xuguo Jiao, Guozhong Wang, Xin Wang, Zhenyong Zhang, Yanbing Tian and Xiwen Fan    
Due to physical limitations and safety requirements, the rate and amplitude of change in wind turbines? pitch angle are limited, which will bring integral saturation problems to the control system. This leads to the deterioration of the pitch control sys... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Wei Ji, Guozhi He, Bo Xu, Hongwei Zhang and Xiaowei Yu    
During the picking process of the apple harvesting robot, the attitude of the end effector holding the apple and the movement method of separating the apple directly affect the success rate of picking. In order to improve the stability of the picking pro... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Yacong Wu, Jun Huang, Boqian Ji and Lei Song    
Most existing studies on aerodynamic shape optimization have not considered longitudinal trim under control surface deflection, typically achieving self-trim through a constraint of zero pitching moment or adjusting the optimized configuration for longit... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Xiaojun Yu, Shibin Luo and Haiqiao Liu    
Focusing on the large maneuver penetration of the hypersonic glide vehicle with multiple constraints and uncertain disturbance, a robust integrated guidance and control law, which can achieve the snake-shape maneuver, is designed. A snake-shape maneuver ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Chen Xu, Yang Wang, Zhiqi Niu, Sheng Luo and Fenghuai Du    
In this paper, by accounting for the angle constraint (AC) and autopilot lag compensation (ALC), a novel fixed-time convergent guidance law is developed based on a fixed-time state observer and bi-limit homogeneous technique. The newly proposed guidance ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Junfang Fan, Denghui Dou and Yi Ji    
In this study, two different impact-angle-constrained guidance and control strategies using deep reinforcement learning (DRL) are proposed. The proposed strategies are based on the dual-loop and integrated guidance and control types. To address comprehen... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Linfei Hou, Honglin Liu, Ting Yang, Shuaibin An and Rui Wang    
In addressing the morphing problem in vehicle flight, some scholars have primarily employed reinforcement learning methods to make morphing decisions based on task. However, they have not considered the constraints associated with the task process. The i... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Dongdong Yao and Qunli Xia    
In an effort to address the problem of hypersonic morphing vehicles reaching the target while avoiding no-fly zones, an improved predictor?corrector guidance method is proposed. Firstly, the aircraft motion model and the constraint model are established.... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Mengmei Mei, He Huang, Yugang Li and Zhe Zheng    
At present, numerous reflector antennas have been constructed worldwide on land. However, there are few applications of reflector antennas directly set off the coast. To expand the application region of reflector antennas, a floating cylindrical reflecto... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Pureum Kim and Sang-Young Park    
This study investigates the preliminary trajectory design for high-thrust missions to near-Earth asteroids (NEAs), considering distance and phase angle constraints during the approaching phase to enable pre-rendezvous optical navigation and the scientifi... ver más
Revista: Aerospace    Formato: Electrónico

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