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Articles 1 - 9 of 9
Full-Text Articles in Computer Engineering
Fair Fault-Tolerant Approach For Access Point Failures In Networked Control System Greenhouses, Mohammed Ali Yaslam Ba Humaish
Fair Fault-Tolerant Approach For Access Point Failures In Networked Control System Greenhouses, Mohammed Ali Yaslam Ba Humaish
Theses and Dissertations
Greenhouse Networked Control Systems (NCS) are popular applications in modern agriculture due to their ability to monitor and control various environmental factors that can affect crop growth and quality. However, designing and operating a greenhouse in the context of NCS could be challenging due to the need for highly available and cost-efficient systems. This thesis presents a design methodology for greenhouse NCS that addresses these challenges, offering a framework to optimize crop productivity, minimize costs, and improve system availability and reliability. It contributes several innovations to the field of greenhouse NCS design. For example, it recommends using the 2.4GHz frequency …
Design Of Plastic Contaminant Eliminator In Seed Cotton, Joshua H. Tandio
Design Of Plastic Contaminant Eliminator In Seed Cotton, Joshua H. Tandio
Theses and Dissertations
Plastic contamination in cotton is a problem in cotton industry and researchers have worked on this problem with different approaches. This thesis documents the design of mechanical and electronic real-time systems for detecting and removing plastic contaminants. The mechanical system was designed to expose plastic embedded inside the seed cotton to the sensor and to separate plastic contaminated cotton from the process stream. The detection system consisted of an embedded computer interfaced with a USB camera and Neural Network (NN) software running in it. Two NN models were tested, a transfer learning model and a built-from-scratch original model. The original …
Design Of Remote Datalogger Connection And Live Data Tweeting System, Zachary Wofford
Design Of Remote Datalogger Connection And Live Data Tweeting System, Zachary Wofford
Biological and Agricultural Engineering Undergraduate Honors Theses
Low-Impact Development (LID) is an attempt to sustainably respond to the potential hazards posed by urban expansion. Green roofs are an example of LID design meant to reduce the amount of runoff from storm events that are becoming more intense and less predictable while also providing insulation to buildings. LID has not yet been widely adopted as it is often a more expensive alternative to conventional infrastructure (Bowman et. al., 2009). However, its benefits are apparent. The University of Arkansas Honors College awarded a grant to research the large green roof atop Hillside Auditorium. One part of this grant is …
Developing, Evaluating, And Demonstrating An Open Source Gateway And Mobile Application For The Smartfarm Decision Support System, Caleb D. Fink
Developing, Evaluating, And Demonstrating An Open Source Gateway And Mobile Application For The Smartfarm Decision Support System, Caleb D. Fink
Master's Theses
The purpose of this research is to design, develop, evaluate, and demonstrate an open source gateway and mobile application for the SmartFarm open source decision support system to improve agricultural stewardship, environmental conservation, and provide farmers with a system that they own. There are very limited options for an open source gateway for collecting data on the farm. The options available are: expensive, require professional maintenance, are not portable between systems, improvements are made only by the manufacturer, limited in customization options, difficult to operate, and data is owned by the company rather than the farmer. The gateway is designed …
Desarrollo De Una Estrategia De Control Predictivo Aplicado A Un Péndulo Invertido, Que Permita La Estabilización De Imágenes En Robots Para Exploración Agrícola, David Mateo Rojas Vallejo
Desarrollo De Una Estrategia De Control Predictivo Aplicado A Un Péndulo Invertido, Que Permita La Estabilización De Imágenes En Robots Para Exploración Agrícola, David Mateo Rojas Vallejo
Ingeniería en Automatización
La robótica es un campo de estudio tan amplio, que se puede extender prácticamente a cualquiera de las labores humanas; una de estas actividades es la agricultura, aunque para que esto se logre, primero se deben considerar factores mas específicos de un sistema robótico como: visión artificial, estructuras robóticas, control de sistemas, entre otros. En este proyecto se desarrolla una estrategia de control para una plataforma de péndulo invertido, que emula el sistema mecánico en donde se posicionaría la cámara de un robot agrícola. El sistema consiste en un péndulo invertido rotativo, y la estrategia de control que se implementó …
Intelligent Uav Scouting For Field Condition Monitoring, Hasan Seyyedhasani
Intelligent Uav Scouting For Field Condition Monitoring, Hasan Seyyedhasani
Theses and Dissertations--Electrical and Computer Engineering
Precision agriculture requires detailed and timely information about field condition. In less than the short flight time a UAV (Unmanned Aerial Vehicle) can provide, an entire field can be scanned at the highest allowed altitude. The resulting NDVI (Normalized Difference Vegetation Index) imagery can then be used to classify each point in the field using a FIS (Fuzzy Inference System). This identifies areas that are expected to be similar, but only closer inspection can quantify and diagnose crop properties. In the remaining flight time, the goal is to scout a set of representative points maximizing the quality of actionable information …
Smartfarm, Nathan A. Oto, Caleb Fink
Smartfarm, Nathan A. Oto, Caleb Fink
Computer Engineering
The overall expectation of this product is to create an autonomous Arduino library that accurately and robustly collects plant environment data from the Smart Farm board. The Smart Farm PCB is split into two primary functions: Data Acquisition(DAQ) and Power Control. Each function of the PCB is controlled by an Atmega 328P Microcontroller. The primary concern for this report is the functionality of the DAQ microcontroller.
Development Of An Autonomous Robotic Mushroom Harvester, Nikita Alexeevich Kuchinskiy
Development Of An Autonomous Robotic Mushroom Harvester, Nikita Alexeevich Kuchinskiy
Electronic Thesis and Dissertation Repository
The process of development of a new robot is one of the modern technological arts. This process involves multiple complex steps and recursive approach. In this project, a solution for automatic harvesting of mushrooms is developed. In order to design an effective solution, it is necessary to explore and take into consideration the limitations of grasping very soft and fragile objects (particularly mushrooms). We will elaborate several strategies of picking and analyze each strategy to formulate the design requirements, develop a solution, and finally, evaluate the efficiency of the proposed solution in actual farm conditions for real mushrooms. The mushroom …
Practical Irrigation Scheduling Program, Dominic Sween
Practical Irrigation Scheduling Program, Dominic Sween
BioResource and Agricultural Engineering
This senior project discusses the design, construction, and evaluation of an irrigation scheduling program that aids users in alfalfa irrigation management, with the potential for application with other crops. The program uses a very accurate irrigation prediction model that forecasts what the estimated irrigation need of each week will be, as well as the number of irrigations needed to satisfy the requirement. The model was found to predict the sum of the actual required weekly irrigation amount within less than 1% of the true value. The program was based off the single crop coefficient approach that was outlined previously by …