1.265   Artículos

 
en línea
Minychl G. Dersseh, Aron A. Kibret, Seifu A. Tilahun, Abeyou W. Worqlul, Mamaru A. Moges, Dessalegn C. Dagnew, Wubneh B. Abebe and Assefa M. Melesse    
Water hyacinth is a well-known invasive weed in lakes across the world and harms the aquatic environment. Since 2011, the weed has invaded Lake Tana substantially posing a challenge to the ecosystem services of the lake. The major factors which affect th... ver más
Revista: Water    Formato: Electrónico

 
en línea
Ewa Stanczyk-Mazanek, Longina Stepniak and Urszula Kepa    
In this paper, we discuss the effect sewage sludge (SS) application has on the contamination of polycyclic aromatic hydrocarbons in fertilized soils and groundwater. Morver, the contents of these compounds in plant biomass was analyzed. For six months, c... ver más
Revista: Water    Formato: Electrónico

 
en línea
Rudi Uswarman, Swadexi Istiqphara, Rajif Agung Yunmar, Arkham Zahri Rakhman     Pág. 135 - 143
Sliding Mode Control (SMC) used to control the stability of a quadcopter from disturbances and uncertainties. This technique has two main advantages: the nonlinear dynamics and modelling errors of the quadcopter can be eliminated by switching function an... ver más
Revista: Journal of Science and Applicative Technology    Formato: Electrónico

 
en línea
Xuerao Wang, Yuncheng Ouyang, Xiao Wang and Qingling Wang    
In this paper, a finite-time, active fault-tolerant control (AFTC) scheme is proposed for a class of autonomous surface vehicles (ASVs) with component faults. The designed AFTC framework is based on an integrated design of fault detection (FD), fault est... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Bo Yang, Hesen Yang, Ning Zhao, Hua Liang, Zhi Su and Dongsheng Zhang    
The double-wedge configuration is a typical characteristic shape of the rudder surface of high-speed aircraft. The impact of the shock wave/boundary layer interaction and the shock wave/shock wave interaction resulting from the double wedge on aircraft a... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Bowen Sui, Jianqiang Zhang, Zhong Liu and Junbao Wei    
This paper proposes a fixed-time prescribed performance control technique to address the challenge of precise trajectory tracking control for unmanned surface vessels (USVs) in the presence of external time-varying disturbances and input saturation. To b... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Wenhao Li, Xianxia Zhang, Yueying Wang and Songbo Xie    
Model predictive control (MPC), an extensively developed rolling optimization control method, is widely utilized in the industrial field. While some researchers have incorporated predictive control into underactuated unmanned surface vehicles (USVs), mos... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Shuai Zheng, Yumin Su, Jiayuan Zhuang, Yueqi Tang and Guangjie Yi    
The development of dynamic positioning (DP) algorithms for an unmanned surface vehicle (USV) is attracting great interest, especially in support of complex missions such as sea rescue. In order to improve the simplicity of the algorithm, a DP algorithm b... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yacong Wu, Jun Huang, Boqian Ji and Lei Song    
Most existing studies on aerodynamic shape optimization have not considered longitudinal trim under control surface deflection, typically achieving self-trim through a constraint of zero pitching moment or adjusting the optimized configuration for longit... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Qi Hong, Tianyi Zhou and Junde Qi    
Polishing force is one of the key process parameters in the polishing process of blisk blades, and its control accuracy will affect the surface quality and processing accuracy of the workpiece. The contact mechanism between the polishing surface and flap... ver más
Revista: Applied Sciences    Formato: Electrónico

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