Results 91 to 100 of about 11,538 (196)

Multi-Background UAV Spraying Behavior Recognition Dataset for Precision Agriculture

Journal of Sensor and Actuator Networks
The rapid growth of precision agriculture has accelerated the deployment of plant protection unmanned aerial vehicles (UAVs). However, reliable data resources for vision-based intelligent supervision of operational states, such as whether a UAV is ...
Chang Meng, Lei Shu, Leijing Bai
doaj   +1 more source

Images from unmanned aircraft systems for surveying aquatic and riparian vegetation [PDF]

, 2016
Aquatic and riparian vegetation in lakes, streams, and wetlands has important ecological and regulatory functions and should be monitored to detect ecosystem changes.
Husson, Eva
core  

Development and Characterization of a Contact-Charging Electrostatic Spray UAV System

Agriculture
Utilizing agricultural UAVs for pesticide and insecticide spraying is an effective measure for plant protection. However, achieving effective coverage on the back side of target is often challenging.
Denan Zhao, Simon Cooper, Parmjit Chima, Guobin Wang, Lechun Zhang, Binshu Sun, Xuejian Zhang, Yubin Lan   +7 more
doaj   +1 more source

Design of Variable Spray System for Plant Protection UAV Based on CFD Simulation and Regression Analysis. [PDF]

Sensors (Basel), 2021
Ni M, Wang H, Liu X, Liao Y, Fu L, Wu Q, Mu J, Chen X, Li J.   +8 more
europepmc   +1 more source

Research on Flow Decision-Making Model of Plant Protection UAV Based on Feature Selection

IEEE Access
The field environment is complex and variable, and multiple factors constrain the effectiveness of UAV applications, and a single flow applications may result in over- or under-use of pesticides in plots with different requirements.
Meng Wang, Zhihao Bian, Yu Yan, Mujahid Hussain, Guobin Wang, Cancan Song, Yubin Lan   +6 more
doaj   +1 more source

Research on Near Ground Precision Application Navigation Technology of Plant Protection UAV Based on SRCKF-SLAM

Journal of Applied Science and Engineering
The traditional quaternion is used as the description parameter of the nonlinear state model of the aircraft, and the accuracy of the attitude estimation is presented. A square root cubature Kalman filter algorithm based on quaternion is proposed.
Dandan Wang, Zhaokun Zhu, Kaituo Tan, Hongjie Li, Liang Yu   +4 more
doaj   +1 more source

Optimization of Operation Parameters for Multi-rotor Plant Protection Unmanned Aerial Vehicle (UAV) Spraying Chlorantraniliprole to Control Spodoptera frugiperda at Different Growth Stages of Maize

Guangdong nongye kexue
【Objective】The effects of operation parameters of multi-rotor plant protection unmanned aerial vehicle (UAV) at different growth stages of maize on deposition quality and the control efficacy of Spodoptera frugiperda were compared to select the optimal ...
Yong XIAO, Siwei WANG, Chunmei LEI, Fei YIN, Zhengke PENG, Yanping LIU, Zhenyu LI, Xiaonan WANG   +7 more
doaj   +1 more source

Analysis and experiment on the effect of washing flow field and soybean canopy on droplet deposition during drone hovering

Results in Engineering
At present, the research on the interaction between UAV rotor wind field and crop canopy is mainly based on practical experiments, and there are few studies on the interaction between wind field, droplet and plant canopy in hovering state.
Bingjie Liu, Yechao Yuan, Bingjie Chen, Lele Wang, Li Ding, Chenhui Zhu   +5 more
doaj   +1 more source

Geospatial assessment of pest-induced forest damage through the use of UAV-based NIR imaging and GI-technology [PDF]

, 2014
Treball final de Màster Universitari Erasmus Mundus en Tecnologia Geoespacial. Codi: SIW013. Curs acadèmic 2013-2014Every year oak forests become infected by populations of the splendor beetle (Agrilus bigutattus).
Soloviov, Oleksii
core  

Distribution regularity of downwash airflow under rotors of agricultural UAV for plant protection [PDF]

International Journal of Agricultural and Biological Engineering, 2021
Xin Liu, Wei Zhang, Haiba Fu, Xiaoming Fu, Liqiang Qi   +4 more
openaire   +1 more source