47   Artículos

 
en línea
Gerasim V. Krivovichev and Valentina Yu. Sergeeva    
The paper is devoted to the theoretical and numerical analysis of the two-step method, constructed as a modification of Polyak?s heavy ball method with the inclusion of an additional momentum parameter. For the quadratic case, the convergence conditions ... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Ying-Qing Guo, Meng Li, Yang Yang, Zhao-Dong Xu and Wen-Han Xie    
As a typical intelligent device, magnetorheological (MR) dampers have been widely applied in vibration control and mitigation. However, the inherent hysteresis characteristics of magnetic materials can cause significant time delays and fluctuations, affe... ver más
Revista: Information    Formato: Electrónico

 
en línea
Lin Yang, Yansong Wang, Lei Wei and Yao Chen    
The spaceborne solar observation system is crucial for the study of space phenomena such as solar flares, which requires high tracking accuracy. This study presents a coupling model that integrates mechanical, electrical, and control models to investigat... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Shuai Zhang, Weizhen Wei, Xiaoliang Chen, Liyou Xu and Yuntao Cao    
The combination of characteristic parameters is the key and difficult point to improving the vibration attenuation of scissor seat suspension. This paper proposes a multi-objective optimization method based on entropy weight gray correlation to optimize ... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Krzysztof Wojciech Fornalski    
Every living organism is a physical, complex system which can be modeled by nonlinear dynamical equations in some very narrowed cases. Here we discuss the adoption and potential application of Lotka?Volterra equations (with damping) to simulate, on a ver... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Tao Yang, Fang Xu, Si Zeng, Shoujun Zhao, Yuwang Liu and Yanbo Wang    
This paper presents a novel control strategy for transferring large inertia loads using flexible space manipulators in orbit. The proposed strategy employs a Luenberger state observer and damping-stiffness controller to address issues of large tracking e... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Qiang Pei, Pengfei Qi, Zhicheng Xue, Jintu Zhong and Yao Zhang    
The aim of this study was to further research the mechanical properties of epoxy thick-layer rubber isolation bearings, adopting orthogonal design and efficacy coefficient methods in order to optimize the geometric dimensions and material parameters of t... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Mai The Vu, Seong Han Kim, Van P. Nguyen, Nguyen Xuan-Mung, Jiafeng Huang, Dong-Wook Jung and Hyeung-Sik Choi    
Underwater vehicles have capacity limits for control inputs, within which their time-optimal trajectories (TOTs) can be formulated. In this study, the fastest trajectory for the depth control of a hybrid underwater glider (HUG) was found using buoyancy e... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Liang Sun, Zewang Yang, Mingsheng Chen and Fen Li    
To investigate the overtopping and slamming phenomena that occur in the interactions between waves and oscillating surge wave energy converters (OSWECs), a two-dimensional numerical wave flume was established using computational fluid dynamics (CFD) soft... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Qingchao Yang, Zhaozhao Ma, Ruiping Zhou, Heow Pueh Lee and Kai Chai    
In recent times, there has been a significant focus on electromagnetic resonant shunt damping (ERSD) and quasi-zero-stiffness vibration isolators (QZS VI) as prominent solutions for vibration mitigation or energy harvesting. In this paper, an innovative ... ver más
Revista: Applied Sciences    Formato: Electrónico

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