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Relevant bibliographies by topics / Spraying system

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Academic literature on the topic 'Spraying system'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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Journal articles on the topic "Spraying system"

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Bai, Jin Yuan, Yong Xiong Chen, Jiang Bo Cheng, Xiu Bing Liang, and Bin Shi Xu. "An Automatic High Velocity Arc Spraying System." Key Engineering Materials 373-374 (March 2008): 89–92. http://dx.doi.org/10.4028/www.scientific.net/kem.373-374.89.

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A new automatic high velocity arc spraying system was developed. The system was consisted of five units, i.e. central control unit, operating machine, positioner, touching screen and high velocity arc spraying equipment. The central control unit is controlled by a program, controlling other four units. Spraying parameters could be input and modified on the touching screen during spraying. The moving of spraying gun was carried out by motion arm of the operating machine. The rotational velocity and angle of components to be sprayed was controlled by positioner. The spraying process for a cylinder body of automobile engine with the system was introduced in detail. The auto and manual arc spraying have been used to fabricate coating. The microstructure of the coatings prepared by the two spraying processing was analyzed. The result shows that the auto sprayed coating has a more uniform and compact structure than that of the manual sprayed coating.

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Mirzaev, M. A., and I. G. Smirnov. "Positioning System of Working Bodies in Differential Spraying of Plants." Agricultural Machinery and Technologies 18, no. 1 (2023): 96–100. http://dx.doi.org/10.22314/2073-7599-2024-18-1-96-100.

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The paper highlights that the escalation in the use of pesticides and agrochemicals poses a significant risk to human health, environmental integrity, and food safety. The predominant method of pesticide application is crop spraying. Improved eﬃciency and quality of spraying, coupled with a reduction in drug costs, can be achieved by transitioning to diﬀerential treatment of agricultural land and precision dose regulation. The incorporation of robotic devices oﬀers a promising solution to facilitate the process of plant protection. (Research purpose) The research aims to develop a positioning system for a robotic diﬀerential spraying device. (Materials and methods) were subjected to chemical treatment by an autonomous field robot, and the quality of spraying was assessed using a nozzle. (Results and discussion) The research established a relationship between calculating the nozzle capture angle of an individual plant and the angle of lever lift. Subsequently, a computerized spraying model was developed, enabling the adjustment of various parameters and benchmarking the proposed diﬀerential spraying method against the traditional one. The variation coeﬃcient, reflecting the uniformity of droplet distribution on the plant surface, was calculated. The results indicate that the variation coeﬃcient is dependent on the speed and distance of spraying in diﬀerent operating modes, including individual plant spraying and row spraying. (Conclusions) The variation coeﬃcient for the traditional spray method was 46 percent. With the adoption of diﬀerential spraying methods, this variation coeﬃcient decreased to 25-28 percent for individual plant spraying and 33-40 percent for row spraying. Field studies further demonstrated a variation coeﬃcient of 19-24 percent for individual plant spraying in contrast to 30-35 percent for row-spray treatments.

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Zhang, M. J., R. R. Zhang, G. Xu, and L. P. Chen. "Design and development of a navigation system for agricultural aerial spraying." Advances in Animal Biosciences 8, no. 2 (2017): 870–75. http://dx.doi.org/10.1017/s2040470017001108.

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Problems in the process of manned agricultural aerial spraying, such as heavy workload in route planning, overlaps or omissions in spraying seriously reduce the efficiency of spraying and utilization rate of pesticides. This paper presents the design and development of a navigation system for manned agricultural aerial spraying based on an industrial tablet PC. This system provides three key functions: route planning, spraying navigation and real-time evaluation of spraying quality. The test and application results show that this system has high efficiency in route planning, and the average coverage rate of spraying could reach as high as 96%. Its application effect is remarkable, and as a result, this system can meet the demand of manned agricultural aerial spraying in route planning and navigation.

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Yu, Yong Hai, Rui Hong Zhang, Bin Cheng, and Hai Liang Ren. "Study on Expert Decicion System for Spraying of Trellis Crop." Key Engineering Materials 584 (September 2013): 225–30. http://dx.doi.org/10.4028/www.scientific.net/kem.584.225.

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Bases on accurate spraying of the trellis crop, the expert decision-making technology was used to provide the decision support. The intelligent decision support system was combined with accurate spraying technology of pesticides. According to the differences of relevant factor of accurate spraying, the expert decision-making system of job parameters of trellis spraying machine was researched and set up. And systematic target, system expansion and system architecture were analyzed. Through C4.5 algorithm, the expert decision-making system was to decide if the trellis crop was sprayed under different climatic conditions, and the decision tree of spraying was constructed. It provided intelligent decision support to accurate spraying.

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Xiao, Li Chun, Zhi Jiang Ding, and Qiang Li. "Study on Water Spraying System in Wet Electrostatic Precipitator." Applied Mechanics and Materials 423-426 (September 2013): 1732–36. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1732.

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The dust collected in the polar plates can be washed out by a spraying system in the wet electrostatic precipitator. It is important to keep the spraying system having a high efficiency lest the dust returns to the gas again. The performance of the spraying system in the electrostatic precipitation and its influence on the dust collection efficiency are presented in the paper. The atomization characteristic of the spraying nozzle is measured by changing the water pressure and operating voltage. The results show that: Collection efficiency of the electrostatic precipitation is over 99.5 % when the water pressure is 0.4 MPa.When the spraying mists diameter is 100 μm, the collection efficiency is 92 % for the dust diameter under 10 μm. It will provide a basis for the design of spraying system in wet electrostatic precipitation by this analysis.

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Shantanu D. Munghate and Dr. Prashant S. Kadu. "Design and Development of Agricultural Spraying Drone: Spraying System and Tank." International Journal for Modern Trends in Science and Technology, no. 8 (August 29, 2020): 221–32. http://dx.doi.org/10.46501/ijmtst060838.

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Wang, Shilin, Xue Li, Hao Zhou, Xiaolan Lv, and Weiguo Shen. "Design and Experiment of an Aerial Electrostatic Spraying System for Unmanned Agricultural Aircraft Systems." Applied Engineering in Agriculture 36, no. 6 (2020): 955–62. http://dx.doi.org/10.13031/aea.14150.

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HighlightsA bipolar contact electrostatic spraying system is designed for an unmanned agricultural aircraft system.The electrostatic voltage does not affect the droplet size and relative span.The specific charge due to the negative electrode is higher than that due to the positive electrode.The droplets charged by the spraying system are more prone to be deposited on the underside of leaves.Abstract. Chemical application by unmanned agricultural aircraft systems (UAASs) has developed rapidly in China and other Asian countries due to their suitability to complex terrains, high working efficiency, and labor intensity reduction. To enhance spraying performance of unmanned aerial spraying systems (UASSs), an aerial electrostatic spraying system (AESS) was designed consisting of a lithium battery, electrostatic generator, positive and negative charging electrodes, tanks, pumps, and centrifugal atomizers. The AESS electrostatic voltage (EV) was adjusted from 15 to 35 kV, the atomizer rotation speed reached 9600 r/min, and the pump pressure ranged from 0.02 to 0.1 MPa. The AESS specific charge and droplet spectrum under water spraying was measured at different EVs. Results showed that the specific charge due to the negative electrostatic electrode was higher than that due to the positive electrostatic electrode. At a negative electrostatic electrode EV of 35 kV, its specific charge was 1.84 mC/kg. The negative and positive electrostatic electrode volume median diameters (VMDs) ranged from 81.39 to 84.04 µm and 86.8 to 88.80 µm, respectively, and no significant droplet size and relative span differences occurred between the different EVs for the same electrostatic electrode. The AESS was installed on single-rotor and multirotor UAASs for chemical application to pear trees. The results revealed that the electrostatic spray from the AESS has no effect on droplet deposition on the upper side of pear tree canopy leaves, while charged droplets can produce a wrap-around effect on the underside of the leaves, which promotes the adhesion of droplets on the underside of the leaves. The AESS is suitable for chemical application under aerial UAAS spraying. Keywords: Chemical application, Droplet spectrum, Deposition, Specific charge, Unmanned agricultural aircraft system.

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Liu, Hai Hong, Xin Hua Wei, Jin Feng Du, and Jia Bao Huang. "Study of Pressure Characteristics in PWM Controlled Variable Rate Spraying System." Applied Mechanics and Materials 672-674 (October 2014): 1633–36. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1633.

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In PWM controlled variable rate spraying system, spraying quantities were regulated by fast switching solenoid valves. However, hydraulic impacts were generated by these fast switching solenoid valves in pipe system, which affected stabilities of spraying quantities and atomization characteristics. In order to study pressure changing regularities when solenoid valves operated, then to design a pressure controller to improve spraying qualities in PWM controlled variable rate spraying system, Fluent was used to simulate pressure characteristics in the pipe system and pressure curves were drawn under the following 3 working conditions, solenoid valve opening, closing, and switching continuously with 5 Hz frequency and 50% duty ratio. Related experiments were carried out to test real pressure signals in the pipe based on a PWM controlled variable rate spraying system. Relative errors between simulation results and experiment results were below 10%. Thus, this simulation model of PWM controlled variable rate spraying system in Fluent was reliable to simulate pressure characteristics in the pipe in other common working conditions, and which contributed to design pressure controller and to optimize the whole PWM controlled variable rate spraying system.

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Fu, Jun, Chao Chen, Rongqiang Zhao, and Luquan Ren. "Accurate Variable Control System for Boom Sprayer Based on Auxiliary Antidrift System." Journal of Sensors 2020 (January 11, 2020): 1–8. http://dx.doi.org/10.1155/2020/8037046.

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Control accuracy significantly affects the performances of boom sprayer. In this study, we develop a precise autocontrol technology based on the vehicle speed feedback. We utilize the auxiliary antidrift system of wind-curtain type air flow and the variable spraying control system for adaptive fertilizing and online measuring of working conditions. Experimental results demonstrate that the variable spraying control system could keep the speed error less than 3%. The air flow significantly improves the penetration of spraying, decreases the fog drip, and increases the pesticide utility. Benefitting from the auxiliary air flow, the average utility of pesticide is improved from 26.76% to 37.98%. Additionally, the speed feedback control reduces the consumption of pesticide by more than 12%.

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Zhu, Sheng, and Bin Shi Xu. "High-Performance Ceramic Coatings Sprayed via Novel Supersonic Plasma Spraying System." Key Engineering Materials 280-283 (February 2007): 1203–6. http://dx.doi.org/10.4028/www.scientific.net/kem.280-283.1203.

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A novel supersonic plasma spraying system was developed with a maximum power of 80 kW and a maximum working gas flow of 6 m3/h, at which gas and particle velocities of 2400 and 600 m/s can be achieved respectively. This paper deals with novel supersonic plasma spraying system design, the structure of novel supersonic plasma gun includes a special Laval nozzle as the single anode and inner powder supply, and the mechanisms of supersonic plasma jet as well as the effects on the sprayed particles. The spraying process parameters of several ceramic powders such as Al2O3, Cr2O3, ZrO2, Cr3C2 and Co-WC were optimized. The properties and microstructure of the sprayed ceramic coatings were investigated. Nano Al2O3-TiO2 ceramic coating sprayed by using novel supersonic plasma spraying was also studied. Novel supersonic plasma spraying improves greatly ceramic coatings quality compared with conventional air plasma spraying (Metco 9M), as well as it has lower energy and gas exhaustion compared with high power supersonic plasma spraying (Plazjet), which can spray high-performance ceramic coatings at low cost.

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Dissertations / Theses on the topic "Spraying system"

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Thomson, Ian F. "Development and application of a diagnostic system for plasma spraying." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0007/MQ46085.pdf.

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Gu, Sai. "Numerical simulations of a high velocity oxy-fuel thermal spraying system." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342062.

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Chen, Chaoyue. "Research and realization of assistant off-line programming system for thermal spraying." Thesis, Belfort-Montbéliard, 2016. http://www.theses.fr/2016BELF0303/document.

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La technologie de programmation hors-ligne permet la génération de la trajectoire complexe en projection thermique. Dans le laboratoire du LERMPS, une extension logicielle appelée « Thermal Spray Toolkit » (T.S.T.) a été développée pour assister la programmation hors-ligne dans le domaine de projection thermique. Cependant, les efforts sont encore attendus pour améliorer sa fonctionnalité. Donc, l'objectif de cette thèse est d'améliorer l'application de la programmation hors-ligne en projection thermique. Selon la procédure d'application, les travaux de cette thèse se composent de trois parties.Premièrement, les efforts sont dévoués à l'amélioration du module « PathKit » dans T.S.T., afin d'optimiser la fonctionnalité de la génération de la trajectoire. L'algorithme pour la génération de la trajectoire sur le substrat courbe a été étudié pour assurer le pas de balayage constant. Une nouvelle trajectoire « spirale d'Archimède » a été développé pour réparer les défauts par la projection à froid. La réparation sur une pièce d'aluminium avec un défaut a été réalisé pour valider la trajectoire spirale d'Archimède. Deuxièmement, les modélisations ont été développées pour simuler l'épaisseur du dépôt en 2D et en 3D. Puis, Ils sont intégrés dans le logiciel RobotStudioTM comme un module individuel dit « ProfileKit ». Dans le « ProfileKit 2D », il peut évaluer les effets des paramètres opératoires sur le profil du dépôt et puis optimiser les paramètres. Dans le « ProfileKit 3D », l'épaisseur du dépôt peut être simulée selon la trajectoire du robot et la cinématique du robot.Les fonctionnalités sont validées par un dépôt de forme trapézoïdal élaboré par la projection à froid avec les pas debalayage variés.Dernièrement, l'analyse cinématique du robot a été étudiée pour optimiser la performance du robot pendant le processus de projection. Afin de mieux évaluer la performance du robot, un paramètre « overall parameter » (OP), la moyenne pondérée d'écart-type de la vitesse articulaire est introduit pour mesurer la complexité de la trajectoire du robot. Ensuite, l'optimisation du montage de la torche ainsi que l'optimisation de la disposition de la pièce sont étudiées par l'analyse cinématique du robot et le paramètre OP. Le résultat montre que l'optimisation cinématique peut efficacement améliorer la performance du robot pour maintenir la vitesse prédéfinie<br>The offline programming technology provides the possibility to generate complex robot trajectories in thermal spray process. In the laboratory of LERMPS, an add-in software called “Thermal SprayToolkit” (T.S.T.) has been developed to assist the offline programming in the field of thermal spray.However, efforts are still expected to improve the functionality of this software. The aim of this study is to improve the application of offline programming technology in the thermal spray process. According to the procedure of the offline programming in thermal spray, the work of this thesis consists of three parts.Firstly, efforts have been dedicated to improve the module “PathKit” in T.S.T., which aim to improve the functionality of trajectory generation. The algorithm of trajectory generation for the curved substrate surface was improved to maintain a constant scan step. A novel Archimedean spiral trajectory was developed for damage component recovery application by cold spray. The experiment of an Al5056 coating depositing on a manually manufactured workpiece with a crater defect was carried out to validate the effects of spiral trajectory with adapted nozzle speed.Secondly, numerical models were developed to simulate the coating thickness distribution in 2D and 3D, and then integrated in the RobotStudio™ as an individual module named “ProfileKit”. In the “ProfileKit 2D”, it is able to evaluate the effects of operating parameters on coating profile and optimize the parameters. In the “ProfileKit 3D”, coating thickness distribution can be simulated based on the nozzle trajectory and robot kinematics data. The functionalities were validated by the trapezoid coldsprayed coating.At last, kinematic analysis was used to provide the optimization methods for a better robot performance in thermal spraying. In order to better evaluate the robot performance, an overall parameter (OP) that is the weighted mean of standard deviation of joint speed, was introduced to measure the complexity of a robot trajectory. Afterwards, the optimal nozzle mounting method as well as the optimal workpiece placement were investigated by the kinematic analysis and the overall parameter. The result shows that the kinematic optimization can effectively improve the robot performance to maintain the predefined speed

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Mondoux, Julie. "Development of a cold-gas dynamic spraying system for parameter study of aluminium coatings." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26719.

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The objectives of this work were to develop a cold gas dynamic spraying set-up which sprayed aluminium powders with different microstructures, mainly conventional and nanocrystalline particles, and to determine which of the powders is most suitable for spraying. The development of the CGDS set-up included the numerical modeling of the supersonic gas flow; this lead to the design of the converging-diverging nozzle. Two sets of experiments were conducted to validate the model and design. The preliminary experiments were conducted using both conventional and nanocrystalline powders and the initial results showed that the nanocrystalline powders had a higher Vickers hardness. The nanocrystalline coatings were denser and adhered more evenly with the substrate. The second set of experimental work was conducted only with conventionally structured particles to determine the influence of three spraying parameters on the performance of the coating. (Abstract shortened by UMI.)

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Lyasnikova, A. V., V. M. Taran, O. A. Markelova, O. A. Dudareva, and I. P. Grishina. "The Software System for Statistical Modeling of the Porous Structure of Plasma Sprayed Bi-ocompatible Coatings." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35089.

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The bioactive coating is applied on the surface of the ventplants to enhance their potential capacity of osteointegration. Getting these coatings with known characteristics is a complex problem and it requires a large number of experiments. The paper presents an algorithm and interface software program for statisti-cal modeling of the porous structure of plasma sprayed biocompatible coatings of the ventplants. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35089

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Gutjahr, Christoph [Verfasser], and Roland [Akademischer Betreuer] Gerhards. "Investigations on site-specific weed management for a decision support system for patch spraying / Christoph Gutjahr. Betreuer: Roland Gerhards." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2013. http://d-nb.info/1033108227/34.

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Valena, Martin. "Konstrukce stacionární jednotky pro mazání hlavy kolejnice." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402512.

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This master’s thesis describes design and realization of a wayside unit for top-of-rail lubrication (TOR). TOR lubricant application causes wear reduction and lower noise emission. Firstly, patent analysis was provided and critically evaluated according to which requirements for developed device were specified – accurate dosage of small lubricant volume and high repeatability. On the basis of concept design, an experimental rig was created and used for lubricant application verification and spray lubrication parameter identification. Acquired results are considered in the final design of wayside unit with a technical facility. Two utility models were created within this master’s thesis.

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Silva, Josivan Alves da [UNESP]. "Viabilidade econômica de sistemas de monitoramento em operações mecanizadas na citricultura." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151829.

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Submitted by JOSIVAN ALVES DA SILVA null (alvesjosivan2@gmail.com) on 2017-10-03T16:54:35Z No. of bitstreams: 1 Dissertacao_Josivan_Alves_da_Silva.pdf: 1897214 bytes, checksum: 9d0727b421bab72e7f0e8bb11feefbf2 (MD5)<br>Approved for entry into archive by Monique Sasaki (sayumi_sasaki@hotmail.com) on 2017-10-03T17:11:25Z (GMT) No. of bitstreams: 1 silva_ja_me_jabo.pdf: 1897214 bytes, checksum: 9d0727b421bab72e7f0e8bb11feefbf2 (MD5)<br>Made available in DSpace on 2017-10-03T17:11:25Z (GMT). No. of bitstreams: 1 silva_ja_me_jabo.pdf: 1897214 bytes, checksum: 9d0727b421bab72e7f0e8bb11feefbf2 (MD5) Previous issue date: 2017-09-05<br>A automação da produção agrícola proporciona mudanças na estrutura dos custos das organizações rurais, proporcionando em geral significativa redução dos custos com mão de obra e um maior controle do processo de gestão das atividades agrícolas. Por outro lado, a automação requer investimentos contínuos em novas tecnologias e uma capacidade absortiva organizacional destas novas tecnologias. Esses fatores aliados a busca pelo aumento de produtividade, competitividade e rentabilidade faz com que as empresas agrícolas potencializem seu sistema produtivo como um todo, por meio da otimização das operações que o envolve, objetivando o aumento da capacidade operacional e redução nos custos de produção. É nesse contexto que se posiciona esse trabalho, que visa analisar a viabilidade econômica da implantação de um sistema de monitoramento das operações agrícolas mecanizadas na citricultura mediante o uso de um “Global Positioning System” (GPS). Para tanto, foi feito um estudo de caso único. O caso foi estudado ao longo de toda a safra 2016/2017 em que o sistema foi implantado em 8 tratores e dois caminhões que atuaram em uma área de 2.236 ha. A partir da metodologia do Fluxo de Caixa Descontado (FCD) associado a simulação de Monte Carlo avaliou-se a viabilidade econômica do investimento. O uso do sistema de monitoramento por GPS permitiu a gestão em tempo real o controle de todas as atividades realizadas pelos equipamentos, sendo capaz, não somente, de determinar as melhores atividades a serem realizadas como também em intervir ao longo das atividades em mudanças. Os resultados financeiros evidenciaram valores de até 23,67% menores para as operações monitoradas, sendo a eficiência mais contundente junto a pulverização de Psilídeo. A análise econômica reportou para a viabilidade do investimento com 99,5% de confiança, cujo ganho em Valor Presente Líquido (VPL) por máquina representa 15% do valor de aquisição da mesma. A análise econômica reportou para a viabilidade do investimento com 99,5% de confiança, cujo ganho em Valor Presente Líquido (VPL) por máquina representa 15% do valor de aquisição da mesma. Os resultados deste estudo são pioneiros para as operações mecanizadas na citricultura e denotam a importância em sistema de automação que permitam o melhor gerenciamento das atividades de manejo na produção de laranjas.<br>The automation of agricultural production provides changes in the structure of the costs of rural organizations, generally providing significant reduction of labor costs and greater control of the process of management of agricultural activities. On the other hand, automation requires continuous investments in new technologies and an absorptive organizational capacity of these new technologies. These factors, allied to the search for increased productivity, competitiveness and profitability, mean that agricultural companies can enhance their production system as a whole, by optimizing their operations, aiming at increasing operational capacity and reducing production costs. It is in this context that this work is positioned, which aims to analyze the economic viability of the implementation of a monitoring system of mechanized agricultural operations in the citriculture through the use of a Global Positioning System (GPS). For that, a single case study was done. The case was studied throughout the 2016/2017 harvest in which the system was implanted in 8 tractors and two trucks that operated in an area of 2,236 ha. Based on the Discounted Cash Flow (CDF) methodology associated with Monte Carlo simulation, the economic viability of the investment was evaluated. The use of the GPS monitoring system allowed the real time management of all the activities carried out by the equipment, being able not only to determine the best activities to be performed but also to intervene during the activities in the changes. The financial results showed values of up to 23.67% lower for the monitored operations, being the most compelling efficiency with Psilídeo spraying. The economic analysis reported on the viability of the investment with 99.5% confidence, whose gain in Net Present Value (NPV) per machine represents 15% of the acquisition value of the same. The economic analysis reported on the viability of the investment with 99.5% confidence, whose gain in Net Present Value (NPV) per machine represents 15% of the acquisition value of the same. The results of this study are pioneers for the mechanized operations in the citriculture and denote the importance in automation system that allow the best management of the management activities in the production of oranges.

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Mohamed, Natheer Ajmal Hinas. "A framework for vision-based ground target finding and action using multirotor UAVs." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/197600/1/Ajmal%20Hinas_Mohamed%20Natheer_Thesis.pdf.

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This thesis presents a novel framework to perform single or multiple ground target finding and action missions using low-cost Unmanned Aerial Vehicles (UAVs). This framework enables small UAVs to overcome the challenges present in real-world outdoor environments due to localization and target detection errors, and external disturbances such as wind in target finding and action missions. This presented framework can be used for multiple autonomous and semi-autonomous UAV applications, including spot spraying in agriculture, search and rescue, and close inspection.

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Santos, Ivairton Monteiro. "Protocolo de roteamento de dados para redes de sensores sem fio com nó coletor móvel para controle da deriva em pulverização agrícola." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-24112014-153222/.

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A aplicação eficiente de agrotóxicos é um desafio na produção agrícola, mesmo considerando os avanços com a agricultura de precisão. O efeito deriva é o principal responsável pela ineficiência no controle das pragas ou doenças, pelo desperdício de recursos e pela contaminação ambiental. Para minimizar a deriva é essencial conhecer as condições ambientais como vento, temperatura e umidade. Esta pesquisa propõe o uso das redes de sensores sem fio como sistema de monitoramento ambiental e de suporte ao processo de pulverização agrícola, especialmente a pulverização executada por aeronave. São propostas três funcionalidades para o sistema: avaliação das condições ambientais, verificando se as condições estão apropriadas para a pulverização, buscando minimizar a ocorrência da deriva; suporte na definição e manutenção da rota do veículo pulverizador por meio dos dados do vento, de modo a efetuar ajustes na rota de pulverização e manter a aplicação do defensivo agrícola na área alvo; e a avaliação da eficácia da pulverização por meio dos dados da deposição do produto pulverizado coletados pela rede de sensores. Para viabilizar a utilização das redes de sensores sem fio no controle da deriva é proposto um protocolo de roteamento de dados que visa garantir a coleta dos dados pelos nós e a entrega para o veículo pulverizador, mesmo sendo ele um avião e se deslocando em alta velocidade. Para demonstrar a viabilidade do sistema proposto, foi desenvolvido um sistema de simulação computacional que considera os aspectos das redes de sensores sem fio e as características do protocolo de roteamento proposto. Os resultados demonstraram sua viabilidade, demonstrando que as redes de sensores sem fio podem ser utilizadas como suporte em um sistema de controle da deriva, incrementando a qualidade da pulverização, reduzindo custos e a contaminação ambiental.<br>The efficient application of low cost pesticides is a challenge for agricultural production. Pesticide drift is the major cause of money loss, inefficiency in crop disease control, and environmental contamination in the crop spraying process. At the time of application, it is essential to know the environmental conditions, such as wind, temperature and humidity to minimize contamination by pesticide drift. This study proposes the use of wireless sensor networks in a support and control system for crop spraying, especially in aircraft application methods. Three system functionalities are proposed: In the first case, the sensor network evaluates environmental data at the time of application to notify the user if the environmental conditions are suitable for continuing with the application. The second case evaluates the wind speed and its direction to suggest corrections in the path of a spray vehicle. Due to this alteration in the vehicle path, the pesticide will be applied only in the appropriate area. The final case involves collecting data samples and analyzing the quality of the spraying operation by evaluating the deposition of pesticide over the crop. This work proposes a new routing data protocol to make possible the use of wireless sensor networks in aerial crop spraying. It ensures that the sensor node data will be delivered to the sink node. Through computer simulations, wireless sensor networks are shown to be useful in crop spraying to minimize and to control pesticide drift, to improve the quality of application, to reduce environmental contamination and to reduce costs and the duration of the application operation.

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Books on the topic "Spraying system"

1

Thomson, Ian F. Development and application of a diagnostic system for plasma spraying. National Library of Canada, 1999.

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Hazardous Waste Engineering Research Laboratory, ed. Calibration and evaluation of a dispersant application system: Project summary. U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1987.

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Teske, Milton E. FSCBG implementation into SpraySafe Manager: A decision support system. USDA Forest Service, Forest Health Technology Enterprise Team, 1996.

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Thistle, Harold. GPS aircraft navigation test plan. U.S. Dept. of Agriculture, Forest Service, Technology & Development Program, 1994.

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New York State Energy Research and Development Authority., Colonie (N.Y. : Town), and J. Kenneth Fraser and Associates., eds. Town of Colonie sanitary landfill leachate management system: Final report for 1992 and 1993 spraying seasons. NYSERDA, 1996.

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V, Raj Sai, and NASA Glenn Research Center, eds. Residual stresses in thermal barrier coatings for a Cu-8Cr-4Nb substrate system. National Aeronautics and Space Administration, Glenn Research Center, 2002.

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Ghosn, Louis J. Residual stresses in thermal barrier coatings for a Cu-8Cr-4Nb substrate system. National Aeronautics and Space Administration, Glenn Research Center, 2002.

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Kravchenko, Igor', Maksim Glinskiy, Sergey Karcev, Viktor Korneev, and Diana Abdumuminova. Resource-saving plasma technology in the repair of processing equipment. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1083289.

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In the monograph methodological bases of selection of method of coating, design of technological processes of hardening and recovery of the wearing surfaces of parts using a systems engineering analysis and information support technologist. The mathematical model of plasma spraying of materials with different thermal conductivity and methods criteria for evaluation of technical and technological opportunities of a plasma coating method. Describes the methods and results of experimental studies, the analysis of the conditions and causes of loss of efficiency of processing equipment APK. The proposed scientific and methodical approach to the justification of expediency of the recovery and strengthening of the working bodies and parts expensive imported technological equipment. The proposed mathematical model describing the physical processes in plasma coating for various applications. The structure of the algorithm for solving the task of hardening and recovery of worn parts plasma methods on the basis of the integrated CAE system. This monograph is intended for employees of scientific research institutions, specialists of machine-building production and enterprises of technical service, as well as teachers, postgraduates and students of agricultural engineering areas of training.

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Technology), International Conference on Liquid Atomization and Spray Systems (5th 1991 National Institute of Standards and. ICLASS-91: Proceedings of the Fifth International Conference on Liquid Atomization and Spray Systems. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1991.

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G, Semerjian Hratch, Institute for Liquid Atomization and Spray Systems, and National Institute of Standards and Technology (U.S.), eds. ICLASS-91: Proceedings of the Fifth International Conference on Liquid Atomization and Spray Systems. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1991.

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Book chapters on the topic "Spraying system"

1

Thiele, Hans-Juergen, and Jim Polzin. "EIC Spraying System 2003: Technologies for Enamel Spraying." In 65th Porcelain Enamel Institute Technical Forum: Ceramic Engineering and Science Proceedings, Volume 24, Issue 5. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470294840.ch18.

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Rogers, Harry, Beatriz De La Iglesia, Tahmina Zebin, Grzegorz Cielniak, and Ben Magri. "An Automated Precision Spraying Evaluation System." In Towards Autonomous Robotic Systems. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-43360-3_3.

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Kestur, Ramesh, S. N. Omkar, and S. Subhash. "Unmanned Aerial System Technologies for Pesticide Spraying." In Innovative Pest Management Approaches for the 21st Century. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0794-6_3.

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Wang, Pin, Sumei Lu, Xiaowei Wu, Jun Tian, and Ning Li. "Periodic Mist Spray's Dynamic Effect on Outdoor Micro-environment and Thermal Perception." In Novel Technology and Whole-Process Management in Prefabricated Building. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5108-2_56.

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AbstractMist spraying is an active cooling technology to alleviate heat stress during hot summers. There is no clear conclusion as to when mist spray should be used and its cooling potential in hot-humid regions yet. A periodic mist spraying system was set up, and environmental measurements coupled with questionnaire surveys were conducted, investigating the dynamic effect of spraying on the micro-environment and thermal perception. The results showed that elevated ambient temperatures could lead to a more substantial cooling impact, with a maximum cooling value of 5.68 ℃. The increase in thermal comfort due to the mist outweighed the decrease in thermal sensation. The study indicated that the mist spray system should be activated if the ambient temperature reached 32.5 ℃. Spraying could help local residents maintain a physiological state close to slightly hot and neutral comfort when the ambient temperature exceeded 34℃. The findings provide valuable guidance for the application of mist spray system in practical engineering scenarios in hot-humid areas.

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Schmidt, Edgar, and Dominik Henrich. "Playback Robot Programming Framework for Fiber Spraying Processes." In Annals of Scientific Society for Assembly, Handling and Industrial Robotics 2021. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-74032-0_29.

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AbstractRobot-based automation is still not widespread in small and medium-sized enterprises, since programming industrial robots is usually costly and only feasible by experts. This disadvantages can be resolved by using intuitive robot programming approaches like playback programming. At the same time, there are currently not automatized automatized, like fiber spraying. We present a novel approach in programming a robot system for fiber spraying processes, which extends a playback programming framework inspired by video editing concepts. The resulting framework allows the programming of also the periphery devices needed for the fiber spraying process. We evaluated the resulting programming framework to measure the intuitiveness in the use and show that the framework is not only able to program fiber spraying tasks but is also rather intuitive to use for domain experts.

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Zhang, Hao, S. D. S. Piyathissa, Tofael Ahamed, and Noguchi Ryozo. "Investigating the Pesticide Spraying Characteristics of Plant Protection UAV and Designing a Variable Spraying System for Improving the Spraying Uniformity." In IoT and AI in Agriculture. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1263-2_15.

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Bzhikhatlov, Kantemir, and Inna Pshenokova. "Intelligent Spraying System of Autonomous Mobile Agricultural Robot." In Agriculture Digitalization and Organic Production. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4165-0_25.

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Kojima, Mitsutoshi, and Kenichi Nakashima. "A Study of Mist Spraying System by Urban Transportation." In Design for Innovative Value Towards a Sustainable Society. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3010-6_144.

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Song, Jian. "Electromagnetic Induction Sensor of Navigation System for Spraying Robot." In Advances in Intelligent and Soft Computing. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25194-8_21.

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Sahni, Ramesh K., Satya Prakash Kumar, Deepak Thorat, et al. "Drone Spraying System for Efficient Agrochemical Application in Precision Agriculture." In Applications of Computer Vision and Drone Technology in Agriculture 4.0. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8684-2_13.

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Conference papers on the topic "Spraying system"

1

Lee, Chun-Gu, Seung-Hwa Yu, Ilsu Choi, et al. "Image analysis system for unmanned aerial spraying system performance evaluation." In Remote Sensing for Agriculture, Ecosystems, and Hydrology XXVI, edited by Christopher M. Neale, Antonino Maltese, Caroline Nichol, and Charles R. Bostater. SPIE, 2024. http://dx.doi.org/10.1117/12.3030900.

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Xiong, Jun. "Application of new environmental protection pipe in simple automatic spraying system." In Fifth International Conference on Green Energy, Environment, and Sustainable Development, edited by Mohammadreza Aghaei, Hongyu Ren, and Xiaoshuan Zhang. SPIE, 2024. http://dx.doi.org/10.1117/12.3044658.

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Salsabila, Aqila Dwi, Andi Ejah Umraeni Salam, Faizal Arya Samman, Dianti Utamidewi, Ida Rachmaniar Sahali, and Maya Itasari. "Control and Monitoring System for Aeroponic Lettuce Spraying using Logistic Regression." In 2024 FORTEI-International Conference on Electrical Engineering (FORTEI-ICEE). IEEE, 2024. https://doi.org/10.1109/fortei-icee64706.2024.10824456.

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Wang, Ziqiang, jie Cui, Jiangmin Xu, et al. "Redundant spraying robot system random walk sparrow search inverse kinematic solution algorithm." In 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), edited by Yunhui Liu and Zili Li. SPIE, 2024. http://dx.doi.org/10.1117/12.3047284.

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Handa, T., and H. Takazawa. "Duplex Protection System of Powder Coating and Metal Spraying on Steel Articles." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98516.

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Abstract We have developed a duplex protection system of saturated polyester powder coating and galvanizing to protect outside telecommunications plants in high-corrosion locations. The important thing in this duplex system is to guarantee the adhesiveness of the coating on the zinc substrate. We have confirmed that the adhesiveness of the coating is significantly improved by applying metal spraying instead of hot-dipped galvanizing. In addition, we applied plastic spraying to the metal-sprayed articles. We obtained a smooth surface of saturated polyester coating using specially developed polyester resin with high fluidity. This coating was confirmed to have good adhesiveness, impact resistance, and scratch strength.

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Krklješ, Damir, Goran Kitić, Csaba Petes, Vladan Filipović, Mina Mirović, and Slobodan Birgermajer. "Integration and Simulation of Precision Weed Spraying System on Unmanned Ground Vehicle." In 2024 IEEE 2nd Conference on AgriFood Electronics (CAFE). IEEE, 2024. https://doi.org/10.1109/cafe63183.2024.11069342.

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Harvey, M. D. F., S. Shrestha, and A. J. Sturgeon. "Coatings for Offshore Applications by High Velocity Wire Flame Spraying." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05011.

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Abstract Most commercial high velocity oxy-fuel (HVOF) flame spraying systems are primarily designed for mechanised use in thermal spraying booths and are limited to powder-based consumables that are often much more expensive than wire materials. However, a smaller wire fed HVOF system has recently become available with simpler, portable control units. This system is of particular interest for depositing a wide range of wire-based consumables, e.g. aluminium, zinc and their alloys for sacrificial corrosion protection of offshore platforms, risers and piping, crude oil vessels and bridges. Other applications include corrosion resistant coating materials such as stainless steels and nickel alloys. The objective of this work were to compare the corrosion performance of the HVOF wire flame spray system with the twin wire arc-spray and HVOF powder processes for the preparation of coatings of pure aluminium, 316L stainless steel and nickel alloy 625. Coating characteristics such as porosity, oxide content and adhesion were evaluated. The corrosion properties of the coatings were compared using an accelerated potentiodynamic electrochemical corrosion test.

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Luo, Kaijun, and Xun Qiao. "Universal Automatic Spraying System Design." In Proceedings of the International Conference on Industrial Design and Environmental Engineering, IDEE 2023, November 24–26, 2023, Zhengzhou, China. EAI, 2024. http://dx.doi.org/10.4108/eai.24-11-2023.2343360.

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Wang Fujuan. "Control system design of spraying robot." In 2010 International Conference On Computer and Communication Technologies in Agriculture Engineering (CCTAE). IEEE, 2010. http://dx.doi.org/10.1109/cctae.2010.5543906.

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Matache, Mihai, Catalin Persu, Mihaela Nitu, and Gheorghe Gabriel. "Vision system for spraying machines adaptive control." In 16th International Scientific Conference Engineering for Rural Development. Latvia University of Agriculture, 2017. http://dx.doi.org/10.22616/erdev2017.16.n071.

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Reports on the topic "Spraying system"

1

Arnold, Joshua, and Harold Winnie. DTPH56-15-H-CAAP06 Mitigating Pipeline Corrosion using a Smart Thermal Spraying Coating System. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011767.

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Reis, J. R. Town of Colonie sanitary landfill leachate management system. Final report for 1992 and 1993 spraying season. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/374122.

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3

Miles, Gaines E., Yael Edan, F. Tom Turpin, et al. Expert Sensor for Site Specification Application of Agricultural Chemicals. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7570567.bard.

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In this work multispectral reflectance images are used in conjunction with a neural network classifier for the purpose of detecting and classifying weeds under real field conditions. Multispectral reflectance images which contained different combinations of weeds and crops were taken under actual field conditions. This multispectral reflectance information was used to develop algorithms that could segment the plants from the background as well as classify them into weeds or crops. In order to segment the plants from the background the multispectrial reflectance of plants and background were studied and a relationship was derived. It was found that using a ratio of two wavelenght reflectance images (750nm and 670nm) it was possible to segment the plants from the background. Once ths was accomplished it was then possible to classify the segmented images into weed or crop by use of the neural network. The neural network developed for this work is a modification of the standard learning vector quantization algorithm. This neural network was modified by replacing the time-varying adaptation gain with a constant adaptation gain and a binary reinforcement function. This improved accuracy and training time as well as introducing several new properties such as hill climbing and momentum addition. The network was trained and tested with different wavelength combinations in order to find the best results. Finally, the results of the classifier were evaluated using a pixel based method and a block based method. In the pixel based method every single pixel is evaluated to test whether it was classified correctly or not and the best weed classification results were 81% and its associated crop classification accuracy is 57%. In the block based classification method, the image was divided into blocks and each block was evaluated to determine whether they contained weeds or not. Different block sizes and thesholds were tested. The best results for this method were 97% for a block size of 8 inches and a pixel threshold of 60. A simulation model was developed to 1) quantify the effectiveness of a site-specific sprayer, 2) evaluate influence of diffeent design parameters on efficiency of the site-specific sprayer. In each iteration of this model, infected areas (weed patches) in the field were randomly generated and the amount of required herbicides for spraying these areas were calculated. The effectiveness of the sprayer was estimated for different stain sizes, nozzle types (conic and flat), nozzle sizes and stain detection levels of the identification system. Simulation results indicated that the flat nozzle is much more effective as compared to the conic nozzle and its relative efficiency is greater for small nozzle sizes. By using a site-specific sprayer, the average ratio between the spraying areas and the stain areas is about 1.1 to 1.8 which can save up to 92% of herbicides, especially when the proportion of the stain areas is small.

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ภุมมางกูร, สุนิพนธ์, ราณี สุรกาญจน์กุล та ลาวัลย์ ศรีพงษ์. การตรวจสอบเภสัชภัณฑ์โดยใช้ฟลูโอเรสคามีน : รายงานผลการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.10.

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การใช้ fluorescamine เป็น spraying reagent พ่นบน plate ที่เคลือบด้วย silica gel GF 254 สามารถใช้ตรวจสอบยาที่มีหมู่ฟังก์ชัน –NH2, -NH, และ –N- ได้ พบว่ายาที่เป็น primary amine จะเกิด fluorescence กับ fluorescamine แต่ยาที่เป็น secondary amine จะเกิด quenching ส่วนที่เป็น tertiary amine หรือ quarternary amine จะไม่เกิดอะไรกับ fluorescamine โดยอาศัยผลการทดลองอันนี้จะทำให้สามารถแบ่งยาเป็น 3 กลุ่ม คือกลุ่มที่ 1 เป็นยาที่เกิด fluorescence กับ fluorescamine กลุ่มที่ 2 เกิด quenching และกลุ่มที่ 3 ไม่เกิด fluorescence หรือ quenching กับ fluorescamine โดยอาศัยการแบ่งยาเป็นสามกลุ่มและการใช้ข้อมูลจาก Rf value ใน 3 solvent systems การใช้ไอของไอโอดีน ทำให้สามารถตรวจสอบหรือพิสูจน์เอกลักษณ์ของยาได้

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Choudhuri, Ahsan, and Norman Love. Design Optimization of Liquid Fueled High Velocity Oxy- Fuel Thermal Spraying Technique for Durable Coating for Fossil Power Systems. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1356809.

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Shtienberg, Dan, William Fry, Amos Dinoor, Thomas Zitter, and Uzi Kafkafi. Reduction in Pesticide Use in Plant Disease Control by Integration of Chemical and Non-Chemical Factors. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7613027.bard.

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The long term goal of this research project was to improve control efficiency of Alternaria diseases while reducing fungicide use, by integration of chemical and non-chemical factors. Non-chemical factors were genotype resistance, age-related resistance and fertilizers. The Specific objectives were: 1) To quantify changes in resistance among genotypes and over time in terms of disease development and specific phases of the disease cycle; 2) To quantify the effects of fertilizers applied to the foliage alone, or in combination with a fungicide, on disease development; 3) To quantify the relative contribution of genotype resistance, age-related resistance and fungicide type to the reduction of disease development; 4) To develop a strategy for integration of chemical and non-chemical factors which will achieve optimal disease suppression. The influence of physiological age of cotton plants and of the individual leaves, on disease incidence and on the rate of lesion expansion of A. macrospora was examined on leaves sampled from the field. Both parameters increased with the physiological age of individual leaves but were not affected by the age of the whole plant. The hypothesis that enrichment of the foliage with nitrogen and potassium may enhance host resistance to Alternaria and thus reduce disease severity, was examined for potato and tomato (A. solani ) and for cotton (A. macrospora ). Under controlled environment conditions, application of urea or KNO3 resulted in some reduction in disease development; however, foliar application of both nutrients (8-10 sprays in total) did not affect Alternaria severity in the field. Systemic fungicides against Alternaria (e.g. , tebuconazole and difenoconazole) are more effective than the commonly used protectant fungicides (e.g. mancozeb and chlorothalonil). Concepts for the integration of genotype resistance, age-related resistances and fungicide for the suppression of Alternaria diseases were developed and evaluated. It was found that reduction in host resistance, with age and among genotypes, can be compensated for by adjusting the intensity of fungicide applications, i.e. by increasing the frequency of sprays and by spraying systemic fungicides towards the end of the season. In, moderately resistant cultivars protection can be achieved by spraying at longer intervals than susceptible cultivars. The concepts for integration were evaluated in field trials for cotton, potatoes and tomatoes. By following these concepts it was possible to save up to five sprays out of 8-10 in a growing season.

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