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Vladimir S. Aslanov and Daria V. Neryadovskaya
This paper is dedicated to identifying stable equilibrium positions of the tether systems attached to the L1 or L2 libration points of the Mars?Phobos system. The orbiting spacecraft deploying the tether is at the L1 or L2 libration point and is held at ...
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Shun Liu, Hongyi Lu, Bin Zhang, Yucheng Yang and Doudou Sang
The presence of the erosive burning effect during the operation of a solid rocket motor (SRM) is one of the most important factors affecting the proper operation of the motor. To solve the effects of the operating process of the motor under erosive burni...
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Vladimir Milic, Josip Kasac and Marin Lukas
This paper presents an approach for the solution of a zero-sum differential game associated with a nonlinear state-feedback H8
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control problem. Instead of using the approximation methods for solving the corresponding Hamilton?Jacobi?Isaacs (HJI) par...
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Congju Zuo, Guodong Qin, Hongtao Pan, Liang Xia, Feng Wang, Pucheng Zhou, Xiaoyan Qin, Ning Shi, Leiji Lu, Ruijuan Zhao, Chenhui Wan, Guangnan Luo, Weihua Wang and Yong Cheng
The CFETR multi-purpose overload robot (CMOR) is a key subsystem of the remote handling system of the China fusion engineering test reactor (CFETR). This paper first establishes the kinematic and dynamic models of CMOR and analyzes the working process in...
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Dongbo Liu and Li Chen
The on-orbit operation of insertion and extraction of space robots is a technology essential to the assembly and maintenance in orbit, satellite fuel filling, failed satellite recovery, especially modular in-orbit assembly of micro-spacecraft. Therefore,...
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Yongjie Liu, Yu Jiang and Hengnian Li
We investigate the topological types and bifurcations of periodic orbits in the gravitational field of irregular bodies by the well-known two parameter analysis method. Results show that the topological types of periodic orbits are determined by the loca...
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Wenpeng Ma, Wu Yuan and Xiazhen Liu
Incomplete Sparse Approximate Inverses (ISAI) has shown some advantages over sparse triangular solves on GPUs when it is used for the incomplete LU based preconditioner. In this paper, we extend the single GPU method for Block?ISAI to multiple GPUs algor...
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Zhongming Teng and Xiaowei Zhang
In the large scale canonical correlation analysis arising from multi-view learning applications, one needs to compute canonical weight vectors corresponding to a few of largest canonical correlations. For such a task, we propose a Jacobi?Davidson type al...
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Leandra R. Goncalves,Luciana Y. Xavier,Alexander Turra,Pedro Henrique Torres,Silvana Zioni,Pedro R. Jacobi
O maniqueísmo do título deste artigo antecipa o interesse em aqui analisar as particularidades da polarização da zona costeira em uma escala espacial mais abrangente. Tal análise é feita sob a ótica do ordenamento territorial, da abordagem ecossistêmica ...
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Pedro Henrique Campello Torres,Pedro Luiz Côrtes,Pedro Roberto Jacobi
The paper presents a discussion on the water crisis that occurred between 2013 and 2015 in the Metropolitan Region of São Paulo, the lack of integrated natural resources planning, and the reaction of social actors affected by the crisis. The region was a...
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