27   Artículos

 
en línea
Majid Aleyaasin    
In this paper, the vibration control of the multivariable model of rotor bearing systems is considered for investigation. Some simply structured controllers that can suppress vibrational disturbances are tested for their robustness via the H8 optimality ... ver más
Revista: Acoustics    Formato: Electrónico

 
en línea
Muyu Zhao, Ying Chen and Jin Jiang    
The study of hydrodynamic characteristics of floating double-rotor horizontal axis tidal current turbines (FDHATTs) is of great significance for the development of tidal current energy. In this paper, the effect of roll motion on a FDHATT is investigated... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Bo Cheng, Shengzhao Pang, Huanyu Ou, Zeyan Hu and Zhaoyong Mao    
Underwater vehicles have been widely used in marine exploration and development. A contra-rotating propeller (CRP) can improve propulsion efficiency, eliminate the roll moment of the propeller acting on underwater vehicles, and significantly improve the ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Linghe Yuan, Mingming Lan, Xun He, Wenhe Wei, Wanzhang Wang and Zhe Qu    
To solve the problems of congestion and increased power consumption of wheat combine harvesters (WCHs) caused by excessive feed rate, this paper proposes a method to reduce the feed rate by decreasing the feed length of the stalk and designs a double-cut... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Jiangkun Gong, Deren Li, Jun Yan, Huiping Hu and Deyong Kong    
Current studies rarely mention radar detection of hybrid vertical take-off and landing (VTOL) fixed-wing drones. We investigated radar signals of an industry-tier VTOL fixed-wing drone, TX25A, compared with the radar detection results of a quad-rotor dro... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Yongmeng Liu, Ruirui Li, Chuanzhi Sun, Ze Chen, Yingjie Mei, Pinghuan Xiao, Xiaoming Wang and Chengtian Li    
To suppress the vibration of rotary parts, this paper established an unbalanced vibration response control model of rotary parts based on rotating axis coordinate system. This model considered the stacking transformation of geometric parameter errors and... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ryan G. Howell, Ryan R. Jensen, Steven L. Petersen and Randy T. Larsen    
In situ measurements of sagebrush have traditionally been expensive and time consuming. Currently, improvements in small Unmanned Aerial Systems (sUAS) technology can be used to quantify sagebrush morphology and community structure with high resolution i... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Chih-Chiang Hong, Deng-Maw Tsai     Pág. 37 - 43
The present application related to a rotating arm type permanent magnet motor, in particular to a permanent magnet motor that was actuated by the action of the magnetic forces of a permanent magnet stator of a stator module and two thin ring permanent ma... ver más
Revista: Advances in Technology Innovation    Formato: Electrónico

 
en línea
Madina Isametova,Dimitar Karaivanov,Rollan Nussipali     Pág. 49 - 58
The CAD/CAE/CAM method of end-to-end design of the impeller of a seven-stage submersible pump ODDESSEzentralasien ?UPP 13-7/6 used for pumping sulfuric acid in hydrometallurgy is presented.The studies are conducted in order to increase the efficiency of ... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Oliver Munz, Tim Pychynski, Corina Schwitzke and Hans-Jörg Bauer    
Labyrinth seals are a state-of-the-art sealing technology to prevent and control leakage flows at rotor–stator interfaces in turbomachinery. Higher pressure ratios and the economical use of cooling air require small clearances, which lead to potent... ver más
Revista: Aerospace    Formato: Electrónico

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