Zobrazeno 1 - 10
of 36 583
pro vyhledávání: '"Koki, A."'
Neural Network Potentials (NNPs) have attracted significant attention as a method for accelerating density functional theory (DFT) calculations. However, conventional NNP models typically do not incorporate spin degrees of freedom, limiting their app
Externí odkaz:
http://arxiv.org/abs/2409.03253
Autor:
Furukawa, Koki
For each $n \geq 2$, $l \geq 3$, let ${ES}_L (l,n)$ be the minimum $N$ such that every family of $N$-lines in the plane contains either $l$ concurrent lines or $n$ lines in convex position. In this papar, we give the upper and lower bounds for $ES_L
Externí odkaz:
http://arxiv.org/abs/2409.03122
Publikováno v:
Journal of Guidance, Control, and Dynamics, 47(6), 2024, 1-14
This paper presents an innovative terminal landing guidance law that utilizes an analytic solution derived from the gravity turn trajectory. The characteristics of the derived solution are thoroughly investigated, and the solution is employed to gene
Externí odkaz:
http://arxiv.org/abs/2409.01465
Autor:
Shin, Jungpil, Miah, Abu Saleh Musa, Egawa1, Rei, Hirooka, Koki, Hasan, Md. Al Mehedi, Tomioka, Yoichi, Hwang, Yong Seok
The prevention of falls is paramount in modern healthcare, particularly for the elderly, as falls can lead to severe injuries or even fatalities. Additionally, the growing incidence of falls among the elderly, coupled with the urgent need to prevent
Externí odkaz:
http://arxiv.org/abs/2408.12211
Autor:
Ishii, Nozomi, Hashimoto, Takuya, Ferkinhoff, Carl, Rybak, Matus, Inoue, Akio K., Michiyama, Tomonari, Donevski, Darko, Fujimoto, Seiji, Salak, Dragan, Kuno, Nario, Matsuo, Hiroshi, Mawatari, Ken, Tamura, Yoichi, Izumi, Takuma, Nagao, Tohru, Nakazato, Yurina, Osone, Wataru, Sugahara, Yuma, Usui, Mitsutaka, Wakasugi, Koki, Yajima, Hidenobu, Bakx, Tom J. L. C., Fudamoto, Yoshinobu, Meyer, Romain A., Walter, Fabian, Yoshida, Naoki
We report the highest-redshift detection of [O I] 63 $\mu$m from a luminous quasar, J2054-0005, at $z=6.04$ based on the Atacama Large Millimeter/sub-millimeter Array Band 9 observations. The [O I] 63 $\mu$m line luminosity is $(4.5\pm1.5) \times 10^
Externí odkaz:
http://arxiv.org/abs/2408.09944
This paper introduces the analysis and design method of an optimal spare management policy using Markov chain for a large-scale satellite constellation. We propose an analysis methodology of spare strategy using a multi-echelon $(r,q)$ inventory cont
Externí odkaz:
http://arxiv.org/abs/2408.09250
This paper proposes a time-efficient attitude-tracking controller considering the slew rate constraint and control constraint. The algorithm defines the sliding surface, which is the linear combination of command, body, and regulating angular velocit
Externí odkaz:
http://arxiv.org/abs/2408.09246
Optimal Strip Attitude Command of Earth Observation Satellite using Differential Dynamic Programming
This paper addresses the optimal scan profile problem for strip imaging in an Earth observation satellite (EOS) equipped with a time-delay integration (TDI) camera. Modern TDI cameras can control image integration frequency during imaging operation,
Externí odkaz:
http://arxiv.org/abs/2408.09244
This work proposes a facility location problem framework for designing satellite constellations to provide Cislunar Space Situational Awareness (CSSA). The problem seeks to find the optimal locations of space-based observers to monitor a user-defined
Externí odkaz:
http://arxiv.org/abs/2408.06238
The Tamm structures show high quality (Q) factor property with simple photonic Bragg reflectors composed of alternative high/low refractive index layers and metal reflectors. However, the Q-factor of Tamm structures is inherently limited by the perio
Externí odkaz:
http://arxiv.org/abs/2408.05799