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Articles 1 - 9 of 9
Full-Text Articles in Entire DC Network
Development And Evaluation Of An Automated Linear Move Fertigation System For Cotton Using Active Remote Sensing, Stewart Bell
Development And Evaluation Of An Automated Linear Move Fertigation System For Cotton Using Active Remote Sensing, Stewart Bell
All Theses
Optimum nitrogen (N) application is essential to the economic and environmental sustainability of cotton production. Variable-rate N fertigation could potentially help farmers optimize N applications, but current overhead irrigation systems normally lack automated site-specific variable-rate fertigation capabilities. The objective of this research was to develop and evaluate an automated variable-rate N fertigation system based on real-time Normalized Difference Vegetation Index (NDVI) measurements from crop sensors integrated with a lateral move irrigation system. For this purpose, NDVI crop sensors and a flow meter were integrated with Arduino microcontrollers and an automated fertigation system was constructed. A computer program was developed to …
The Implementation And Comparison Of Fuzzy Logic Control Systems To Modern Control Methods On Low-Cost Hardware, Cristian A. Barron
The Implementation And Comparison Of Fuzzy Logic Control Systems To Modern Control Methods On Low-Cost Hardware, Cristian A. Barron
Theses and Dissertations
Modern control engineering provides many options to automate systems for which a mathematical model is required. Another control does not rely on the mathematical model of the system and is known as fuzzy logic control. In this study, a literature review is conducted on existing control systems strategies such as proportional integral and derivative (PID), linear quadratic regulator (LQR), and fuzzy logic controller (FLC), the complexity of the systems they control, and their strengths and weaknesses. In addition, a series of experiments are conducted, both through simulations in MATLAB Simulink and using their implementation using the actual physical hardware to …
Short Run Box Maker, Jesus Valdez-Ruelas
Short Run Box Maker, Jesus Valdez-Ruelas
General Engineering
Small businesses with short run product catalogs have trouble finding the right size box that will work for multiple products. In turn, this leads most businesses to use oversized boxes resulting in unnecessary shipping fees. The objective of this project was to develop and test a cost-effective prototype of a box making machine that could create a short run of custom sized boxes. A Co2 laser was found to be the best option for cutting cardboard and a vertically standing machine was designed to feed the cardboard via rollers. To control cardboard movement stepper motors were used and controlled using …
Visualization Of Musical Instruments Through Midi Interface, John Jaminet
Visualization Of Musical Instruments Through Midi Interface, John Jaminet
Undergraduate Theses and Capstone Projects
We have created a Music Visualization system that controls an LED strip by parsing MIDI signals that are sent by a musical instrument. This is achieved through a program that parses the MIDI note signals into three-byte RGB signals which are then transferred over WIFI to four Arduino boards that control the LEDs. The system provides a musician the ability to add a dynamic light display that responds to the music in real-time. The system utilizes Windows Presentation Foundation because of its event handling and GUI capabilities. The board we are using is the Arduino MKR 1010 WIFI board as …
A Multisensory Gamma Entrainment Apparatus For Rodents, Charles J. Marchini
A Multisensory Gamma Entrainment Apparatus For Rodents, Charles J. Marchini
Honors Capstones
New treatments are needed for detrimental neurological diseases such as Alzheimer’s disease and stroke. Certain auditory and visual stimulation has been shown to reduce neuropathology in rodents. The apparatus discussed in this paper allows researchers to expose rodents to multisensory stimulation at various frequencies while allowing the rodents to remain in their home cage. An attempt to create a noninvasive and wireless EEG for rodents undergoing stimulation is also described. The design consists of gold cup electrodes, a premade printed circuit board, coaxial cables, a GUI, and a flexible suit that fits on rats. The stimulation apparatus is ready for …
Diy Incubator, Aryan Zia, Grace Spurlock, Garrett Janney
Diy Incubator, Aryan Zia, Grace Spurlock, Garrett Janney
Biomedical Engineering
This project report provides detailed information on designing and building a DIY Incubator. The device is indicated for growing and maintaining BSL-1 mammalian or bacterial cell culture with a temperature control in the range of 25-45°C ± 1°C. The device is made fully programmable via an Arduino, and is structurally designed to fit two T75 cell culture flasks at a time. The device is able to return to a specified temperature set point within 10 minutes and maintains 5% CO2 partial pressure conditions. The incubator has a small physical footprint, with an overall dimension of 22in x 16in x 15.5in …
Edge Device Speaker Verification, Thomas P. Duffy
Edge Device Speaker Verification, Thomas P. Duffy
Dissertations and Theses
The continued shrinking of processors and other physical hardware in concert with development of embeddable machine learning frameworks has enabled new use cases placing machine learning directly in the “wild”. The problem of speaker verification, for a long time, has been deployed to perform inference on systems with significant computations resources. More recently, these systems have been built for smaller, cheaper devices which can be placed in people's homes or other edge locations. Here, we aim to demonstrate that a reasonably accurate, generalizable, text-independent speaker verification system can be built, trained, and, ultimately, deployed onto a microcontroller with as a …
Quickcut Cnc Waterjet Cutter, Kelly V. Robbins
Quickcut Cnc Waterjet Cutter, Kelly V. Robbins
Williams Honors College, Honors Research Projects
This design project was dedicated to improving the existing design and making functional the QuickCut CNC Waterjet Cutter. The scope of work consisted of making the machine mobile and more structurally stable as well as programming the CNC controls. The project was started in the 2018/19 school year by a former mechanical engineering student. The subsystems consist of the frame, power, motor, water pump and associated plumbing, nozzle, abrasive feed system, x/y gantry, Arduino control system and the cutting bed. Unfortunately, due to the COVID-19 pandemic, the full scope was not able to be completed in its entirety.
Piezoelectric Energy Harvester Improvement, Nathan Embaugh, Jason Mack, Jeremiah Fitzgerald, Zachary J. Lindsey
Piezoelectric Energy Harvester Improvement, Nathan Embaugh, Jason Mack, Jeremiah Fitzgerald, Zachary J. Lindsey
Williams Honors College, Honors Research Projects
The energy harvester is used to convert a portion of the tire deflection waste energy to power up tire embedded sensors. A piezoelectric energy harvester is designed and some preliminary tests are done on it. So far, it has been shown that this design is sufficient for tire application. The team will need to modify the design of the energy harvester, the measurement setup and add a temperature and a strain senor to the existing setup so that the tire deflection and temperature can be measured and at the same time the energy harvester should be tested to see how …