9   Artículos

 
en línea
Hongfen Bai, Bo Yu and Wei Gu    
With the increasing use of electric propulsion ships, the emergence of the shaftless rim-driven thruster (RDT) as a revolutionary integrated motor thruster is gradually becoming an important development direction for green ships. The shaftless structure ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Ke Chen, Bo Xiao, Chunyang Wang, Xuelian Liu, Shuning Liang and Xu Zhang    
In today?s automation control systems, the PID controller, as a core technology, is widely used to maintain the system output near the set value. However, in some complex control environments, such as the application of ball screw-driven rotating motors,... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xiuhua Song, Hong Li, Chao Chen, Huameng Xia, Zhiyang Zhang and Pan Tang    
To overcome the problem of poor uniformity of solid-fertilizer-dissolving devices due to lag of fertilizer dissolution, a closed-loop control system based on fuzzy proportional-integral-derivative (PID) was designed and tested. A fertilizer concentration... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Yonggui Zheng, Meng Liu, Hao Wu and Jun Wang    
The aircraft engine bleed air simulation thermodynamic laboratory simulation parameters include the bleed air pressure and temperature. However, existing laboratories cannot carry out the dynamic test of the engine bleed air simulation. In the engine ble... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Xianyuan Yang, Jiaming Wu, Quanlin Li and Haiyan Lv    
This paper presents a numerical study of the depth tracking control for an underwater towed system under wave?ship interference condition. To overcome the laminations of ignoring the hydrodynamic factors and wave?ship interference in the existing simulat... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Hillary Chijindu Ezeaku,Kenneth Chikezie Anyalechi,Josaphat. U.J. Onwumere,E. J. Okereke     Pág. 30 - 34
This study examined the determinants of international financial integration (IFI) and how they impact on the Nigerian economy over the period 1986-2015. The error correction model was employed to regress the key determinants of IFI against GDP growth, an... ver más
Revista: International Journal of Economics and Financial Issues    Formato: Electrónico

 
en línea
Ronald Fischer, Pablo Serra     Pág. pp. 179 - 199
This paper uses a dynamic model of trade with specific factors of production to analyze the evolution of an economy that opens to international trade. Each period the allocation of labor is determines by previous period investment. The model cannot adapt... ver más
Revista: Estudios de Economía    Formato: Electrónico

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