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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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José M. Pérez-Canosa, José A. Orosa, Feliciano Fraguela and Pablo López-Varela
Most of the research on ship rolling motion concerns a specific type of ship, such as containerships, or analyzes sailing during certain wave characteristics, rather than the full spectrum of waves that can be encountered during the entire sea route. To ...
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Zhiwei Yang, Liangming Wang and Jianwei Chen
In this paper, a new dual-spin guided projectile that is equipped with ten lateral impulse jets is proposed for trajectory correction. To guide the overall design of the projectile and the control system, a linear motion model of the projectile that was ...
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Anatolii Alpatov,Serhii Khoroshylov,Erik Lapkhanov
Pág. 37 - 46
It is known that the synthesis of the relevant control law is performed and appropriate control devices are selected for specific tasks of controlling relative spacecraft motion. Flywheels, control moment gyroscopes, electromagnetic devices with permanen...
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Volodymyr Yatsun,Gennadiy Filimonikhin,Nataliia Podoprygora,Vladimir Pirogov
Pág. 32 - 43
We have analytically examined the steady motion modes of the system, composed of a balanced rotor on the isotropic elastic-viscous supports, and a load (a ball, a roller, a pendulum), mounted inside the rotor, thus enabling its relative motion. In this c...
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Alessandro Paolo Daga and Luigi Garibaldi
The estimation of the Instantaneous Angular Speed (IAS) has in recent years attracted a growing interest in the diagnostics of rotating machines. Measurement of the IAS can be used as a source of information of the machine condition per se, or for perfor...
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Lixin Wang, Rong Zhao and Yi Zhang
Current aerodynamic parameter identification methods take the consistency between the response of the motion model reconstructed with the identified aerodynamic parameters and flight data as an optimization index. Since there is only one index constraint...
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Xinyang Jiang, Xuechao Chen, Zhangguo Yu, Weimin Zhang, Libo Meng and Qiang Huang
The remarkable ability of humans to perform jump maneuvers greatly contributes to the improvements of the obstacle negotiation ability of humans. The paper proposes a jumping control scheme for a bipedal robot to perform a high jump. The half-body of the...
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Andrey D. Bulygin
Pág. 115 - 118
In this paper, we for the first time introduce a numerical scheme the solution of a nonlinear equation of the Gross?Pitaevskii type (GP) or the nonlinear Schrodinger equation (NLSE) with highest nonlinearities, which provides implementation of a complete...
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Lei Zhang, Yang Liu, Jianneng Chen, Heng Zhou, Yunsheng Jiang, Junhua Tong and Lianlian Wu
To address the problems of the complex structure and single packing trajectory of a packing machine, a hybrid-driven, five-bar packing machine for same-point pickup and different points of release in unmanned plant factories was designed, and a GRA-C met...
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Yaojung Shiao, Thang Hoang and Po-Yao Chang
Exercise is good for health, quality of life, and maintenance of human muscles. Dumbbells are popular indoor exercise equipment with several benefits such as low cost, high flexibility in space and time, easy operation, and suitability for people of all ...
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Munirah Alfadhli, Adel Elmandouh and Muneerah Al Nuwairan
This work aims to explore some dynamic aspects of the problem of star motion that is impacted by the rotation of the galaxy, which we model as a bisymmetric potential based on a two-dimensional harmonic oscillator with sextic perturbations. We demonstrat...
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Vladimir S. Aslanov and Dmitry A. Sizov
With the growing popularity of small satellites, the interaction with the air in low and especially in very low Earth orbits becomes a significant resource for passive angular stabilisation. However, the possibility of spin motion remains a considerable ...
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Adrian Camacho-Ramirez, Juan Carlos Ávila-Vilchis, Belem Saldivar, Adriana H. Vilchis-González and Juan Manuel Jacinto-Villegas
This paper reports a new medical device together with a control strategy that focuses on the following tasks: (1) a trajectory tracking problem associated with the supination?pronation motion of the wrist?forearm for purposes of rehabilitation and (2) th...
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Liqiang Zhang, Yu Liu and Jinglin Sun
Pedestrian navigation systems could serve as a good supplement for other navigation methods or for extending navigation into areas where other navigation systems are invalid. Due to the accumulation of inertial sensing errors, foot-mounted inertial-senso...
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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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Alex Kai-Yuan Lo, Yu-Huan Yang, Tsen-Chang Lin, Chen-Wen Chu and Pei-Chun Lin
We report on the model-based development of a monkey robot that is capable of performing continuous brachiation locomotion on swingable rod, as the intermediate step toward studying brachiation on the soft rope or on horizontal ropes with both ends fixed...
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Maksym Diachuk and Said M. Easa
The paper presents a technique of motion planning for autonomous vehicles (AV) based on simultaneous trajectory and speed optimization. The method includes representing the trajectory by a finite element (FE), determining trajectory parameters in Frenet ...
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José Jiménez-Varona
Rolling motion is the motion where a body flies at a constant pitch angle a with respect to the freestream velocity vector, while undergoing a constant angular rotation p about its longitudinal axis. An effect of this motion is the appearance of a Magnus...
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Guangdong Han, Jian Li, Yizong Chen, Shenghai Wang and Haiquan Chen
Ship cargo-hold cleaning is a low-efficiency and high-risk operation in marine industry, which is generally carried out manually, putting the workers in danger. To improve the efficiency and safety of ship cargo-hold cleaning, a C-DCR is proposed in this...
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