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Articles 511 - 540 of 42483
Full-Text Articles in Entire DC Network
June, Emily Niebuhr
A Prey Animal, Mars Shepard
Iridescence, Emmi Cayer
Onlyness, Chloe Schauermann
Rooted, Amelia Flint
Like Fine Wine, Iris Langen
October Fire, Emily Niebuhr
Forever Fourteen In Fourteen Lines, Hannah Marechal
Root Canals, Savannah Aguiar
Just Be (My Feet Are Heavy), Luci Brendlinger
The Day My Dad Was A Soprano, Rue Gobbée
¿Por Qué Español?, Cadence Mcintire
There Are Two Girls Playing Inside The Hagia Sofia, Aydin Gulle
There Are Two Girls Playing Inside The Hagia Sofia, Aydin Gulle
Intertidal
No abstract provided.
A Través Del Espejo, Jaime Regalado
The Mourning After Christmas, Ryan Blunt
Hear Everything, Hannah Sevy
Seafood, Simone Lee Karlon
Passing Through, Liliana Monge
I Am A Pressure That Builds, Vienna Bertolucci
A Letter To My Mom, Camden Winton
Test Bench Pcb Design For A Vlsi Grid Cell Chip, Nicholas Bruk, Jason Alexandar
Test Bench Pcb Design For A Vlsi Grid Cell Chip, Nicholas Bruk, Jason Alexandar
Electrical Engineering
This report presents the design, implementation, and validation of a custom printed circuit board (PCB) test bench for a VLSI grid cell emulation chip. The final board provides two independently adjustable 5V supplies using LM317 linear regulators, eleven potentiometer-controlled bias voltages, high-impedance buffering of analog outputs via an MCP6022 dual operational amplifier, and buffering of digital outputs using a 74HC244 buffer IC. The design includes a 40-pin DIP socket for the VLSI chip, extensive test-point headers for probing, and a 9V battery input for portable operation. Five fully functional boards were fabricated using ExpressPCB and assembled with through-hole components. An …
Design And Parametric Testing Of A Transimpedance Amplifier For Low-Power Biomedical Applications, Stanlon Tan, William Chung, Brandon Wu
Design And Parametric Testing Of A Transimpedance Amplifier For Low-Power Biomedical Applications, Stanlon Tan, William Chung, Brandon Wu
Electrical Engineering
This project developed and evaluated an optical sensing system for detecting changes associated with glucose concentration. The system combined a laser-diode, cuvette sample holder, photodiode, resistive-feedback transimpedance amplifier, high-resolution analog-to-digital converter, and microcontroller. Parametric testing evaluated the effects of input current and feedback resistance on transimpedance gain, output range, and linearity. Firmware was developed to configure the ADC, average repeated conversions, monitor measurement variation, convert raw digital counts into voltage using a source-meter calibration equation, and compare sample measurements with a water reference. A cuvette enclosure maintained alignment between the laser-diode, sample, and photodiode while reducing external optical interference. Testing …
Performance Evaluation Of Roadside Unit-Assisted Wireless Communication For Connected Vehicles, Keyrollos A. Hanna, Ethan M. Nguyen
Performance Evaluation Of Roadside Unit-Assisted Wireless Communication For Connected Vehicles, Keyrollos A. Hanna, Ethan M. Nguyen
Electrical Engineering
This project presents the design and implementation of a wireless communication network intended to improve situational awareness between vehicles and reduce the likelihood of multivehicle collisions. Two TurtleBot3 Burger platforms equipped with Raspberry Pi computers were used to simulate vehicles operating within a shared environment. Communication latency and packet loss were evaluated under multiple operating conditions, including direct vehicle-to-vehicle communication and communication assisted by a roadside unit (RSU). The results were analyzed to determine whether the proposed system could transmit warning messages with sufficient speed and reliability for collision prevention applications. The project demonstrates the feasibility of low-cost vehicle communication …
Simulation Of Silicon Neurons With Memristive Synapses For Ai Accelerators, Marcus Ivey, Kelvin Shi
Simulation Of Silicon Neurons With Memristive Synapses For Ai Accelerators, Marcus Ivey, Kelvin Shi
Electrical Engineering
This project seeks to design and simulate a neuromorphic spiking neural network (SNN) that implements the logical AND and logical OR operation through the interaction of a Leaky Integrate-and-Fire (LIF) output neuron and memristive synapses modeled using the Biolek formulation. Two pulsed inputs are transmitted through memristive devices whose conductance serves as the synaptic weights. A supervised Hebbian training strategy, implemented in MATLAB, is employed to adjust the synaptic conductance according to the Hebbian delta rule. The proposed framework demonstrates how elementary logical computation may arise from biologically motivated learning processes embedded in hardware-realistic neuromorphic circuits. The study provides a …
Wildlife Tracking Via Uav&Rf, Nam Ah Nguyen
Wildlife Tracking Via Uav&Rf, Nam Ah Nguyen
Electrical Engineering
Animal tracking collars transmit very-high-frequency (VHF) beacon signals so researchers can locate tagged wildlife in terrain where direct visual tracking is difficult. This project develops a radio-frequency (RF) wildlife tracking prototype in which a UAV carries a receiving antenna and receiver over the search area to detect the collar signal and send measurements to a ground station. A transmitter test device was built to emulate a tracking collar. An STM32 microcontroller reads keypad input, controls a digital-to-analog converter (DAC), tunes a voltage-controlled oscillator (VCO) to the selected VHF frequency, and sends the RF signal through an amplifier and antenna. The …
Ugv-Based Vertebrate Pest Deterrence In Vineyards: Vision-Guided Row Patrol And Navigation, Candace Qualls, Karina Wilson, Ben Badhorn
Ugv-Based Vertebrate Pest Deterrence In Vineyards: Vision-Guided Row Patrol And Navigation, Candace Qualls, Karina Wilson, Ben Badhorn
Electrical Engineering
An increase in agricultural demands and the need to sustainably protect crops has created a need for autonomous navigation through a vineyard with a verified pest detection and deterrence system. Developing this solution revealed several challenges. First, the robot must reliably navigate through structured, repetitive vineyard rows. Second, pests must be detected accurately under changing environmental conditions. Lastly, the system must respond with a chosen deterrent within an appropriate time window, all while minimizing false triggers. To address these challenges, this project uses a Husky A200 unmanned ground vehicle equipped with a 2D LiDAR sensor, an Intel RealSense RGB camera, …
Uav Trio Formations For Aerial Pest Deterrence With Vision-Based Bird Monitoring, Benjamin Andrew Ly, Chris Kwon, Christian Joseph Macaranas
Uav Trio Formations For Aerial Pest Deterrence With Vision-Based Bird Monitoring, Benjamin Andrew Ly, Chris Kwon, Christian Joseph Macaranas
Electrical Engineering
No abstract provided.
Portable Food Pasteurization Using Pulsed Electric Fields (Pef), Thomas E. Mcmillan Iii
Portable Food Pasteurization Using Pulsed Electric Fields (Pef), Thomas E. Mcmillan Iii
Electrical Engineering
Foodborne illnesses remain a significant public health concern, motivating continued development of alternative food pasteurization technologies. Pulsed electric field (PEF) treatment is a non-thermal pasteurization method that inactivates microorganisms through electroporation while minimizing thermal degradation of food products. The long-term objective of this project was development of a portable PEF food pasteurization system.
An iterative design approach was used to investigate generation of the high-voltage pulses required for PEF treatment. Multiple pulse forming network topologies were evaluated through simulation, leading to selection of a solid-state Marx generator architecture. A low-voltage five-stage prototype was designed, constructed, and tested to validate the …
Pv Performance Evaluation Study At Cal Poly Solar Farm, Eva Paola D. Calderon
Pv Performance Evaluation Study At Cal Poly Solar Farm, Eva Paola D. Calderon
Electrical Engineering
This photovoltaic (PV) system performance evaluation study aims to assess the performance of Cal Poly’s Gold Tree Solar Farm, which produces 4.5MW of solar energy. The evaluation concerns itself with the reliability of the PV system that can be affected by weather conditions, component malfunctions, and degradation of the PV modules. Under the International Energy Agency Photovoltaic Power Systems (IEA-PVPS) Task 13 objectives of reliability and maintenance, this study is necessary to contribute towards improvements in analysis and mitigation strategies for long term usage. Existing operational monitoring data from 2018 to 2025 is the focus timespan, providing real world data …
A Broadband, Dual Polarized Antenna For The Radio Neutrino Observatory In Greenland, Laken Baker
A Broadband, Dual Polarized Antenna For The Radio Neutrino Observatory In Greenland, Laken Baker
Electrical Engineering
Neutrinos contain information necessary to determine the origins of the universe and cosmic events because they can travel long distances with minimal interaction, preserving information about their cosmic origins. Since neutrinos interact with ice sheets resulting in RF radiation, antennas have been developed to detect RF transmissions.
A compact 'vane structure' (see Fig. 1a) dual-polarized broadband antenna model has been developed, constructed, and characterized according to input reflection coefficient, and co and cross-pol E and H plane radiation patterns using HFSS and Cal Poly San Luis Obispo’s anechoic chamber for the Radio Neutrino Observatory in Greenland (RNO-G) [1]. Its design …