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Anna Okhitina, Stepan Tkachev and Dmitry Roldugin
This paper considers a construction procedure of a satellite reference angular motion in the vicinity of an unstable gravitational equilibrium position. The satellite is stabilized on the reference trajectory by the magnetic coils. The problem is solved ...
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Marcin Bakala, Piotr Duch and Piotr Ostalczyk
This paper proposes a simple mathematical model based on the variable fractional-order difference equation of a robot arm. The model of the described arm does not consider the impact of the movement of the mobile platform, it was assumed that all degrees...
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Ilya Nikolichev and Vladimir Sesyukalov
The paper presents a sufficiently simple technique for designing a low-energy flight trajectory of a spacecraft (SC) from the Earth to the Moon with insertion into a low circular orbit of the latter. The proposed technique is based on the solution and su...
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Przemyslaw Ilczuk and Magdalena Kycko
Risk assessment in the design of control command and signaling devices (CCS) is one of the elements required by law. These analyses should be carried out at many stages of investment with the participation of various teams. This article presents a risk a...
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Jianwei Zhang, Bingpeng Wang, Huokun Li, Fuhong Zhang, Weitao Wu, Zixu Hu and Chengchi Deng
The dam-break water flow is a complex fluid motion, showing strong nonlinearity and stochasticity. In order to better study the characteristics of the dam burst flood, the smooth particle hydrodynamics (SPH) method was chosen to establish a two-dimension...
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