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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...
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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...
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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...
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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...
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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. ...
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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...
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Hongdeng Jian, Xiangtao Fan, Jian Liu, Qingwen Jin and Xujie Kang
Generating 3D path models (with textures) from indoor paths is a good way to improve the visualization performance of 3D indoor path analysis. In this paper, a quaternion-based piecewise 3D modeling method is proposed to automatically generate highly rec...
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Ilia Pankratov
Pág. 9 - 13
The problem of optimal reorientation of the spacecraft orbit is considered in quaternion formulation. Control (acceleration from jet thrust vector orthogonal to the plane of the orbit) is limited in magnitude. It is necessary to minimize the energy costs...
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Hannes Sommer, Igor Gilitschenski, Michael Bloesch, Stephan Weiss, Roland Siegwart and Juan Nieto
Over the last decades quaternions have become a crucial and very successful tool for attitude representation in robotics and aerospace. However, there is a major problem that is continuously causing trouble in practice when it comes to exchanging formula...
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Hannes Sommer, Igor Gilitschenski, Michael Bloesch, Stephan Weiss, Roland Siegwart and Juan Nieto
Over the last decades quaternions have become a crucial and very successful tool for attitude representation in robotics and aerospace. However, there is a major problem that is continuously causing trouble in practice when it comes to exchanging formula...
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V. V. Kravets,V. V. Kravets,T. V. Kravets
Pág. 155 - 160
The system of four quaternion matrices for presentation of main relationships of the theory of final rotation, kinematics and nonlinear dynamics of an asymmetric solid body in a three-dimensional space is presented. By means of application of equations i...
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V. V. Kravets,T. V. Kravets,O. V. Kharchenko
Pág. 154 - 158
A set of direct and inverse elements are examined and compared with a four-dimensional orthonormal basis. The aggregate of even substitutions of fourth power as a product of two transpositions are formed on this finite set. The finite set of substitution...
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Ilia Pankratov
Pág. 47 - 51
The paper is dedicated to a mathematical simulation of the motion of a spacecraft in an elliptical orbit. The acceleration vector is limited in modulo and orthogonal to the plane of spacecraft orbit during its motion. The spacecraft motion is described u...
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Ilia Pankratov
Pág. 47 - 51
The paper is dedicated to a mathematical simulation of the motion of a spacecraft in an elliptical orbit. The acceleration vector is limited in modulo and orthogonal to the plane of spacecraft orbit during its motion. The spacecraft motion is described u...
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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 ...
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Lijun Han, Guoyuan Tang, Maolin Cheng, Hui Huang and De Xie
An adaptive nonsingular fast terminal sliding mode control scheme with extended state observer (ESO) is proposed for the trajectory tracking of an underwater vehicle-manipulator system (UVMS), where the system is subjected to the lumped disturbances asso...
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Stefania Ioannidou and George Pantazis
The three-dimensional coordinate?s transformation from one system to another, and more specifically, the Helmert transformation problem, is one of the most well-known transformations in the field of engineering. In this paper, its solution, in reverse pr...
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V. V. Kravets,T. V. Kravets,O. V. Kharchenko
Pág. 41 - 45
A computation algorithm for inertia matrix of wheel pair taking into account the manufacturing inaccuracies is suggested. It is based on quaternion matrices, which take into consideration the skew of symmetry axes and the shift of substructures within pe...
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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...
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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...
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