39   Artículos

 
en línea
Dongqin Liu, Zhongyi Zheng and Zihao Liu    
During the process of establishing the analytical quaternion ship domain model, the impact of ship traffic conditions and navigator state was not taken into consideration. However, the significance of these factors in the ship domain cannot be ignored. T... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Guozhi Li, Shuizhong Zou, Shuxue Din and Bin Qi    
This paper presents a modified model for hand?eye calibration based on dual quaternion algebra. By using dual quaternions to represent the rotations and translations of a rigid body simultaneously in the task space, the formulation is elegant for the ana... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Fabio Celani    
The purpose of this paper is to compare performances between stabilization algorithms of quaternion plus attitude rate feedback and rotation matrix plus attitude rate feedback for an Earth-pointing spacecraft with magnetorquers as the only torque actuato... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Chenliang Wang, Kejia Huang and Wenjiao Shi    
Increasingly complex vector map applications and growing multi-source spatial data pose a serious challenge to the accuracy and efficiency of vector map visualization. It is true especially for real-time and dynamic scene visualization in mobile augmente... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Muhammad Baber Sial, Yuwei Zhang, Shaoping Wang, Sara Ali, Xinjiang Wang, Xinyu Yang, Zirui Liao and Zunheng Yang    
Most of the recent research on distributed formation control of unmanned aerial vehicle (UAV) swarms is founded on position, distance, and displacement-based approaches; however, a very promising approach, i.e., bearing-based formation control, is still ... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Teodor-Viorel Chelaru, Valentin Pana and Costin Ene    
The paper?s purpose is to present a calculus model for a testing vehicle that can be used to validate guidance, navigation and control systems for reusable launchers in all flight phases. The technical solution is based on a throttleable engine with thru... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Ahmed Mehamed Oumer and Dae-Kwan Kim    
Autonomous rendezvous and docking (RVD) fuel optimization with field-of-view and obstacle avoidance constraints is a nonlinear and nonconvex optimization problem, making it computationally intensive for onboard computation on CubeSats. This paper propose... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jinfen Zhang, Han Zhang, Jiongjiong Liu, Da Wu and C. Guedes Soares    
A two-stage ship path planning method is proposed, based on the Rapid-exploring Random Tree (RRT) algorithm, which is composed of global path planning and local path planning, addressing the important problem of finding an economical and safe path from s... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Uche Onyekpe, Vasile Palade, Stratis Kanarachos and Stavros-Richard G. Christopoulos    
Recurrent Neural Networks (RNNs) are known for their ability to learn relationships within temporal sequences. Gated Recurrent Unit (GRU) networks have found use in challenging time-dependent applications such as Natural Language Processing (NLP), financ... ver más
Revista: Information    Formato: Electrónico

 
en línea
Yongbo Wang, Nanshan Zheng and Zhengfu Bian    
Since pairwise registration is a necessary step for the seamless fusion of point clouds from neighboring stations, a closed-form solution to planar feature-based registration of LiDAR (Light Detection and Ranging) point clouds is proposed in this paper. ... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

« Anterior     Página: 1 de 3     Siguiente »