Results 11 to 20 of about 11,538 (196)

Plant spraying quality when used by drone-robots [PDF]

open access: yesScientific Reports
The study aimed to evaluate how airflow from a small drone’s rotor affects the accuracy and consistency of liquid coverage on individual plants or small plant groups during low-altitude spraying.
Bogusława Berner   +6 more
doaj   +2 more sources

Unmanned aerial systems for biological plant protection based on UAV type CE-20 [PDF]

open access: yesBIO Web of Conferences
The article presents an analysis of the use of UAVs of the CE-20 type as part of unmanned aerial systems for biological plant protection. The relevance of the study is determined by the intensive development of modern unmanned technologies used to combat
Kovalev Igor   +3 more
doaj   +2 more sources

EFFECT OF THE DOWNWASH FLOW FIELD OF A SINGLE-ROTOR UAV ON DROPLET VELOCITY IN SUGARCANE PLANT PROTECTION [PDF]

open access: yesEngenharia Agrícola, 2021
Protecting against the main sugarcane diseases and insect pests requires good control at the base of the plant; therefore, higher droplet penetration is required during plant protection.
Ping Zhang   +4 more
doaj   +1 more source

Evaluation and Experiment of Flight Parameter Quality of the Plant Protection UAV Based on Laser Tracker

open access: yesAgriculture, 2021
Research shows that the accurate acquisition of flight parameters of the plant protection UAV and accurate evaluation of flight parameter quality have great significance for improving the effect and precision of spraying.
Xin Huang   +7 more
doaj   +1 more source

Performance-guaranteed distributed control for multiple plant protection UAVs with collision avoidance and a directed topology

open access: yesFrontiers in Plant Science, 2022
The urgent requirement for improving the efficiency of agricultural plant protection operations has spurred considerable interest in multiple plant protection UAV systems. In this study, a performance-guaranteed distributed control scheme is developed in
Hanqiao Huang   +5 more
doaj   +1 more source

Design and Experiment of Ecological Plant Protection UAV Based on Ozonated Water Spraying

open access: yesDrones, 2023
With the development of pesticide substitution technology, ozonated water has been gradually applied in agricultural plant protection. This paper describes our development of an ecological plant protection unmanned aerial vehicle (UAV) that can produce ...
Hang Xu   +8 more
doaj   +1 more source

Productivity model and experiment of field crop spraying by plant protection unmanned aircraft

open access: yesFrontiers in Plant Science, 2023
Traditional agricultural production requires numerous human and material resources; however, agricultural production efficiency is low. The successful development of plant protection unmanned aerial vehicles (UAVs) has changed the operation mode of ...
Weicai Qin   +3 more
doaj   +1 more source

Improved Q-Learning Algorithm Based on Approximate State Matching in Agricultural Plant Protection Environment

open access: yesEntropy, 2021
An Unmanned Aerial Vehicle (UAV) can greatly reduce manpower in the agricultural plant protection such as watering, sowing, and pesticide spraying. It is essential to develop a Decision-making Support System (DSS) for UAVs to help them choose the correct
Fengjie Sun, Xianchang Wang, Rui Zhang
doaj   +1 more source

Design and Spray Performance Evaluation of an Air–Ground Cooperation Stereoscopic Plant Protection System for Mango Orchards

open access: yesAgronomy, 2023
With the aim of solving the problems of high labor intensity, low operational efficiency, and poor deposition distribution uniformity in the mango canopy associated with traditional plant protection devices, an air-ground co-operation stereoscopic plant ...
Yangfan Li   +5 more
doaj   +1 more source

Design and validation of a multi-objective waypoint planning algorithm for UAV spraying in orchards based on improved ant colony algorithm

open access: yesFrontiers in Plant Science, 2023
IntroductionCurrent aerial plant protection with Unmanned Aerial Vehicles (UAV) usually applies full coverage route planning, which is challenging for plant protection operations in the orchards in South China.
Haoxin Tian   +18 more
doaj   +1 more source

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