15   Artículos

 
en línea
Longhai Li, Chengshun Zhao, Chuang Gao, Siyuan Fan, Xing Wang, Haitao Chen and Wenyi Ji    
A force-feeding device with a double-roller anisotropic was designed for the D200 single screw straw fiber extruder to keep the performance continuity of the system, which could improve the productivity of straw fiber. Four factors (the diameter of the a... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Kang Zheng, Xueguan Zhao, Changjie Han, Yakai He, Changyuan Zhai and Chunjiang Zhao    
Spraying pesticides using row alignment in the maize seedling stage can effectively improve pesticide utilization and protect the ecological environment. Therefore, this study extracts a guidance line for maize crops using machine vision and develops an ... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Mingyu Fu and Qiusu Wang    
On account of the external disturbances and difficult maneuverability of a hovercraft, this paper devises a safety-guaranteed, robust, nonlinear, path-following control strategy of a hovercraft targeted for unknown dynamics, unavailable velocity, and unk... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Eszter Nagy, Brigitta Voneki, Lívia Vásárhelyi, Imre Szenti, Márk Fráter, Ákos Kukovecz and Márk Ádám Antal    
Purpose: Recently, a novel approach to apicoectomy has emerged, involving the use of a hollow trephine with a surgical guide. This innovative technique creates a semicircular section, in contrast to the conventional straight cut (with a bur). The semicir... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yunsheng Fan, Xinpeng Zou, Guofeng Wang and Dongdong Mu    
This paper shows solicitude for the path following control issues of underactuated unmanned surface vehicles subject to unknown external disturbances, deviation of vessel model parameters and actuator saturation. Initially, an improved adaptive integral ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Zhiping He, Guofeng Wang, Yunsheng Fan and Shuanghu Qiao    
This paper studies the fast finite-time path following of underactuated unmanned surface vehicles (USV) with sideslip compensation, time-varying disturbances and input saturation. In the guidance module, the fast finite-time predictor-based line-of-sight... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yanwei Huang, Xiaocheng Shi, Wenchao Huang and Shaobin Chen    
Since the sideslip angle is often ignored or simplified in the process of path following of unmanned surface vehicle by using the line-of-sight (LOS) guidance law because of its fast change and the difficulty of measurement, an observer was proposed by i... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Guannan Li, Xiu Lu, Bingxian Lin, Liangchen Zhou and Guonian Lv    
In order to realize the management of various street objects in smart cities and smart transportation, it is very important to determine their geolocation. Current positioning methods of street-view images based on mobile mapping systems (MMSs) mainly re... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Noboru Abe, Kohei Kuroda, Yosuke Kamata and Shogo Midoritani    
Appropriate place labels, which provide the name or attribute of a graphical feature, are important in geographical information systems and cartography. Herein, an internal label placement method was proposed for area features, such as cities, prefecture... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Guangyang Zhu, Jun Li, Jiangjiang Wu, Mengyu Ma, Li Wang and Ning Jing    
Viewshed analysis is of great interest to location optimization, environmental planning, ecology and tourism. There have been plenty of viewshed analysis methods which are generally time-consuming and among these methods, the XDraw algorithm is one of th... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

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