Open Access. Powered by Scholars. Published by Universities.®

Computer Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 29 of 29

Full-Text Articles in Computer Engineering

Cryptki: Mobile Hardware Wallet, Derrick Chan, Rowan Decker, William Nguyen, Yuya Oguchi Jun 2018

Cryptki: Mobile Hardware Wallet, Derrick Chan, Rowan Decker, William Nguyen, Yuya Oguchi

Interdisciplinary Design Senior Theses

Cryptocurrencies are rapidly receiving mainstream attention and adoption. As a result, new technologies are developing to store and transact cryptocurrencies to keep up with a rapidly developing market. We have developed a way to utilize a mobile phone to communicate with the Ethereum blockchain in order to monitor and initiate cryptocurrency transactions. The project allows users to create new Ethereum addresses and to send arbitrary amounts of Ether to existing Ethereum addresses, while maintaining security for the end user. We conclude that this method of communication with the Ethereum blockchain is viable and is an avenue for exploration in the …


Camera-Based Distance Sensor, Kai Schmidt, Evan Holmes Jun 2018

Camera-Based Distance Sensor, Kai Schmidt, Evan Holmes

Interdisciplinary Design Senior Theses

While working on a robotics project at the electrical contracting company for which we work, we discovered a gap in the electronic distance sensor market in terms of range, accuracy, precision, and cost. We designed and constructed a prototype for an electronic distance sensing component which utilizes a camera, laser, and image processor to measure distances. The laser is pointed at a surface and an image of the laser dot is captured. An image processing algorithm determines the pixel position of the dot in the image, and this position is compared to a lookup table of known values to determine …


B.O.G.G.L.E.S.: Boundary Optical Geographic Lidar Environment System, Miguel Chapa, Evan Hoerl, Isaac Jorgensen, Carl Maggio Jun 2018

B.O.G.G.L.E.S.: Boundary Optical Geographic Lidar Environment System, Miguel Chapa, Evan Hoerl, Isaac Jorgensen, Carl Maggio

Interdisciplinary Design Senior Theses

The purpose of this paper is to describe a pseudo X-ray vision system that pairs a Lidar scanner with a visualization device. The system as a whole is referred to as B.O.G.G.L.E.S. There are several key factors that went into the development of this system and the background information and design approach are thoroughly described. B.O.G.G.L.E.S functionality is depicted through the use of design constraints and the analysis of test results. Additionally, many possible developments for B.O.G.G.L.E.S are proposed in the paper. This indicates that there are various avenues of improvement for this project that could be implemented in the …


Halo - A Personal Iot Air Monitor Powered By Harvested Energy, Benjamin Lampe, Taylor Mau, Samantha Morehead, Naeem Turner-Bandele Jun 2018

Halo - A Personal Iot Air Monitor Powered By Harvested Energy, Benjamin Lampe, Taylor Mau, Samantha Morehead, Naeem Turner-Bandele

Interdisciplinary Design Senior Theses

Urban air pollution leads to widespread respiratory illness and millions of deaths annually. PM2.5, particulate matter with a diameter less than 2.5 micrometers, is the product of many common combustion reactions and poses a particularly serious health risk. Its small size allows it to penetrate deep into the lungs and enter the bloodstream. Existing air quality monitors are aimed at scientific research, di↵erentiating between pollutants and providing high accuracy in measurement. These devices are prohibitively expensive and cannot easily be carried around. Due to the highly localized nature of air pollution, and in order to allow individuals and institutions to …


Rf Roaming System Locator: A Modular Omnidirectional Antenna System, George Stathakis, Josh Sullivan, Christian Ayscue Jun 2018

Rf Roaming System Locator: A Modular Omnidirectional Antenna System, George Stathakis, Josh Sullivan, Christian Ayscue

Interdisciplinary Design Senior Theses

Drones are increasingly common in everything from entertainment to delivery services. Currently, GPS and wireless triangulation are the two main methods of tracking drones and collision avoidance. The main problem with these two methods are accuracy and mobility. This thesis goes into building a system that is able to solve the two main drawbacks, by using a completely contained antenna system. The system is robust and can work in a variety of environments and situations. While the thesis focuses on drone tracking, the system is built with modularity in mind and can be adapted to track other RF signals with …


Urinalysis Screening For Rural Communities, Dana Bren-Cardali, Lilian Dao, Jeffrey Destruel, Ryan Fernandez Jun 2018

Urinalysis Screening For Rural Communities, Dana Bren-Cardali, Lilian Dao, Jeffrey Destruel, Ryan Fernandez

Interdisciplinary Design Senior Theses

Access to medical care and health screenings is a necessity for patients around the globe, but it can be difficult to provide this without screenings becoming costly or convoluted. In rural and underdeveloped areas, patients are often disadvantaged when it comes to finding reliable and affordable healthcare. The isolation provided by their location and the rising costs of physicians makes it impossible for most impoverished communities to attain personalized care. Because of this, treatable diseases often go unaddressed, allowing diseases to progress to a critical condition. Mortality rates have shown to be higher in communities located in rural areas and …


Pressure Ulcer Prevention System, Rey-David Palomares, Ojus Rao Jun 2018

Pressure Ulcer Prevention System, Rey-David Palomares, Ojus Rao

Interdisciplinary Design Senior Theses

Pressure ulcers, also known as bedsores, are a widespread but often understated problem. A pressure ulcer is an injury that develops with constant pressure on an area of skin for a long time. They range from bruises to open wounds to even exposed bone. These injuries especially impact bedridden and elderly hospital inpatients, since these people must depend on nursing staff for mobility.

Pressure ulcers can seem to be a solved problem. Solutions that completely eliminate pressure ulcers do exist. These solutions, however, are too expensive for widespread use, at thousands of dollars per bed. Other solutions, such as relying …


The Human Keyboard, Derek Char, Thomas Chung, Alexander Mckee, Allen Pai Jun 2018

The Human Keyboard, Derek Char, Thomas Chung, Alexander Mckee, Allen Pai

Interdisciplinary Design Senior Theses

Most products that implement features for user interactions utilize buttons or switches for the user to command to select actions to perform. Such designs are typically controlled with direct motions, such as touch or voice and are seldom designed in consideration of those unable to utilize direct control. In this project, we designed technology that reads naturally occuring biosignals from the body, which then can be apply those signals with any interface. For our specific application in this project, we decided to implement a keyboard. Instead of teaching the fingers how to type on a mechanical keyboard, the body can …


Unsupervised Parkinson’S Disease Assessment, Alexander S. Adranly, Senbao Lu, Yousef Zoumot Apr 2018

Unsupervised Parkinson’S Disease Assessment, Alexander S. Adranly, Senbao Lu, Yousef Zoumot

Interdisciplinary Design Senior Theses

Parkinson’s Disease (PD) is a progressive neurological disease that affects 6.2 million people worldwide. The most popular clinical method to measure PD tremor severity is a standardized test called the Unified Parkinson’s Disease Rating Scale (UPDRS), which is performed subjectively by a medical professional. Due to infrequent checkups and human error introduced into the process, treatment is not optimally adjusted for PD patients. According to a recent review there are two devices recommended to objectively quantify PD symptom severity. Both devices record a patient’s tremors using inertial measurement units (IMUs). One is not currently available for over the counter purchases, …


Low Cost Sms-Enabled Ekg For Use In Developing Countries, Gabriel Christ, Shachi Kakkar, Michael Mcelroy, Augustus Boling Jun 2017

Low Cost Sms-Enabled Ekg For Use In Developing Countries, Gabriel Christ, Shachi Kakkar, Michael Mcelroy, Augustus Boling

Interdisciplinary Design Senior Theses

According to official estimates, cardiovascular disease will become the leading cause of death in the developing world by 2020 [1]. This makes regular screening and early detection a priority for these regions. At present, such screening relies on stationary electrocardiogram (ECG) machines, but this technology has several drawbacks. Most machines are costly, stationary, and require a physician onsite to collect and interpret the data; as a result many isolated rural communities lack access to basic heart disease screening. In order to better meet the screening needs of these populations, we propose a twopart solution involving a simplified, inexpensive ECG device …


Rf Location Tracking: A Modular Antenna System Implementation, Alan Tao Feng, Razma Mogharrab, Carlos Rivera Jun 2017

Rf Location Tracking: A Modular Antenna System Implementation, Alan Tao Feng, Razma Mogharrab, Carlos Rivera

Interdisciplinary Design Senior Theses

From the Amazon Prime Air drone delivery service to the usage of unmanned aerial vehicles (UAV) in military operations, recent years have seen the development of autonomous flight technologies becoming one of the major research topics in the drone industry. Tracking the geographic position of drones is a crucial part of any autonomous flight, but the common methods of drone location tracking either have too large of an error margin or require extensive environmental setup. The aforementioned issues are major roadblocks in the advancement of autonomous flight operations. The proposed solution is a new and improved method to track the …


Beta: Bioprinting Engineering Technology For Academia, Max Abrams, Jeffrey Barone, Cynthia Le, Jacob Ososke, Franz Plum, Emily Takimoto, Josie Warren Jun 2017

Beta: Bioprinting Engineering Technology For Academia, Max Abrams, Jeffrey Barone, Cynthia Le, Jacob Ososke, Franz Plum, Emily Takimoto, Josie Warren

Interdisciplinary Design Senior Theses

Higher STEM education is a field of growing potential, but too many middle school and high school students are not testing proficiently in STEM subjects. The BETA team worked to improve biology classroom engagement through the development of technologies for high school biology experiments. The BETA project team expanded functionality of an existing product line to allow for better student and teacher user experience and the execution of more interesting experiments. The BETA project’s first goal was to create a modular incubating Box for the high school classroom. This Box, called the BETA Box was designed with a variety of …


Scu Cube, Matt Condino, Andrew Drape, Evan Eberhardt, Cooper Mcdonnell, Brayton Mcknight, Isaac Mcquillen, James Olwell, Laura Tschudy Jun 2017

Scu Cube, Matt Condino, Andrew Drape, Evan Eberhardt, Cooper Mcdonnell, Brayton Mcknight, Isaac Mcquillen, James Olwell, Laura Tschudy

Interdisciplinary Design Senior Theses

Traditional forms of communication such as landlines and cell phones are unreliable during disaster scenarios. It is difficult to coordinate relief efforts in the aftermath of a disaster due to the unavailability of reliable communication methods. The SCUCube is a 3U CubeSat designed to aid disaster relief communications. The satellite has an amateur radio primary payload that can send and receive standardized data packets with compatible radios, and also has an experimental attitude control system secondary payload. The semi-passive attitude control system uses a gravity gradient boom and a reaction wheel to stabilize the orientation of the satellite. In addition, …


Curipilot, Gregory Cusack, Karan Daryanani, Nathaniel Tucker Jun 2016

Curipilot, Gregory Cusack, Karan Daryanani, Nathaniel Tucker

Interdisciplinary Design Senior Theses

The drone industry has rapidly grown over the last three years and many large companies have determined that the phenomenon is worth investing in. Recently, Intel has shown interest in this growing industry. Intel developed a next generation processor to be used in drones in addition to investing in the Chinese drone hardware company, Yuneec. Contracted by Intel, the CuriPilot team laid the foundation for linking the hardware and software layers of Intel's drone technology by designing the stabilization control system for the next generation of processors and drones. The CuriPilot team built a foundation for future drone development and …


Rsl Rover, Patrick Barone, Giovanni Briggs, Aaron Burns, Hesham Naja, Zoe Demertzis Jun 2016

Rsl Rover, Patrick Barone, Giovanni Briggs, Aaron Burns, Hesham Naja, Zoe Demertzis

Interdisciplinary Design Senior Theses

The goal of this project was to design and implement an unmanned vehicle that can assess the air quality and general state of a post-fire environment. To do this, we equipped Santa Clara University's Polaris 6x6 Ranger with appropriate sensors and cameras to determine how safe the environment is for humans to enter. We also used GPS and laser scans to generate a 3D map that operators can use to define certain zones as particularly dangerous. Finally, we incorporated partially-autonomous sensing capabilities that will allow the operator to easily drive the vehicle. The result was a rugged, advanced, and intuitive …


Pcb Prototyping, Kasey Chun, Dylan Hack, Ilja Medan, Michael Rudolf, Ryan Sidley Jun 2016

Pcb Prototyping, Kasey Chun, Dylan Hack, Ilja Medan, Michael Rudolf, Ryan Sidley

Interdisciplinary Design Senior Theses

In today’s world, Printed Circuit Boards, also known as PCBs, are part of our daily lives. However, it is currently difficult for students in university classes or hobbyists to quickly produce custom made PCBs since no system exists where every step in the production process is on one platform. There are four main steps that go into manufacturing a PCB once it is fully designed which are: milling, solder dispensing, component placement, and a reflow process. The goal will be to create various toolheads and place them onto a single platform allowing the user to perform the aforementioned production processes. …


Enhancing Student Usability Of 3d Bioprinting, Andrew Chang, Sabrina Cismas Jun 2016

Enhancing Student Usability Of 3d Bioprinting, Andrew Chang, Sabrina Cismas

Interdisciplinary Design Senior Theses

3D bioprinting is an emerging technology that is changing the face of tissue engineering through the ability to print cells, scaffolding and matrix materials, and other bioactive reagents. 3D bioprinters are a culmination of various scientific and engineering disciplines with respect to their operation and bioprints, and as such, offer a prime case study on the convergence of the technical fields in research. In order to capitalize on this fact and make 3D bioprinting more accessible for interdisciplinary education applications, we sought to translate 3D bioprinting into the classroom environment as a tool for education. In collaboration with SE3D Education, …


Mums: Mobile Urinalysis For Maternal Screening, Blair Koeneman, Amy Miller, Joe Neumeyer, Jake Prince Jun 2016

Mums: Mobile Urinalysis For Maternal Screening, Blair Koeneman, Amy Miller, Joe Neumeyer, Jake Prince

Interdisciplinary Design Senior Theses

Pregnant women in low-income communities often lack access to the necessary healthcare for successful births. This is frequently due to the high costs of medical care, the remote location of patients, and the infrequency of primary care medical visits. To address this inequity, we have created a mobile application and imaging unit that allows for the low-cost implementation of urinalysis testing, which will aid in the detection of warning signs for prenatal health risks. From a single photo taken with a tablet camera, our application digitizes the results of a standard urinalysis test strip, displays the test results, and tracks …


Pilot-1: Autonomous Fixed-Wing Aircraft Control System, Chris Millsap, Nathan Garvey, Faisal Hayat Jun 2015

Pilot-1: Autonomous Fixed-Wing Aircraft Control System, Chris Millsap, Nathan Garvey, Faisal Hayat

Interdisciplinary Design Senior Theses

In the past decade, the personal ownership of unmanned aerial vehicles has exploded in the US and around the world. The rapidly declining size and cost of integrated circuits, sensors and embedded micro-controllers has lead to a flourishing community of hobbyists designing flight controllers with levels of sophistication approaching those for government and military applications. The typical flight assisted controllers integrate data from the user's control system and an Inertial Measurement Unit (IMU) in order to keep the craft level and on course. Deriving mostly from the radio controlled (RC) hobby industry, the flight control technologies for both rotary and …


Rsl Autonomous Rover, Cris Madrigal, Jiachi Zhang, Nicholas Peacock, Brogan O'Hara Jun 2015

Rsl Autonomous Rover, Cris Madrigal, Jiachi Zhang, Nicholas Peacock, Brogan O'Hara

Interdisciplinary Design Senior Theses

Autonomous vehicles are useful for a variety of applications such as military, urban, and agricultural environments. This paper discusses adding an autonomous navigation system to an all-terrain vehicle by implementing controllers that interface with its current system, installing sensors on the vehicle for obstacle detection, and developing effective safety mechanisms to prevent injury to others. The result is a vehicle capable of waypoint navigation and obstacle avoidance. Testing the vehicle showed that the LIDAR and the autonomous navigation system were integrated seamlessly, and that the sensor output signals were successfully translated into vehicle commands the existing system uses. This system …


Uavino, Matthew Belesiu, Aaron Chung, Kirby Linvill, Nathan Carlson, Phillip Coyle, Megan Peekema Jun 2015

Uavino, Matthew Belesiu, Aaron Chung, Kirby Linvill, Nathan Carlson, Phillip Coyle, Megan Peekema

Interdisciplinary Design Senior Theses

UAVino is a drone solution that uses aerial imagery to determine the overall plant health and water content of vineyards. In general, the system focuses on automating crop inspection by taking aerial imagery of a vineyard, conducting post-processing, and outputting an easily interpreted map of the vineyard's overall health. The project's key innovation is an auto-docking system that allows the drone to automatically return to its launch point and recharge in order to extend mission duration. Long term, UAVino is envisioned as a multi-year, interdisciplinary project involving both the Santa Clara University Robotics Systems Laboratory and local wineries in order …


Aquasift: Point-Of-Use Microfluidic Detection System, Daniel Beyers, Jasper Tan, Brandon Young Jun 2015

Aquasift: Point-Of-Use Microfluidic Detection System, Daniel Beyers, Jasper Tan, Brandon Young

Interdisciplinary Design Senior Theses

AquaSift is a portable, affordable, point-of-use system that performs microfluidic detection of contaminants in drinking water. It comprises four main components: a three-electrode sensor, a potentiostat circuit device, an Android application, and an online database. It utilizes three-electrode voltammetry by applying a voltage stimulus across the electrodes and reading the induced current on the water sample. Testing has shown that our system is able to detect arsenic in solution samples. The Android application serves as the user interface to the system, and the online database allows the mapping of test results on an easy-to-use website.


Mobile Audiometry Application, Kevin Nguyen, Shweta Panditrao Jun 2014

Mobile Audiometry Application, Kevin Nguyen, Shweta Panditrao

Interdisciplinary Design Senior Theses

The Mobile Audiometry Application hopes to utilize the ubiquity of the mobile device by providing a means of healthcare focused on audiometry. This application enables a mobile device to perform audiometric testing to detect a user's hearing range, and notify the user whether he or she is suffering from hearing loss. This project seeks to fulfill a social need for increased access to hearing testing by providing a portable, affordable, and reliable screening tool that is accurate. The result was sleek application that provided a calibration method, executed an audiometry test using accurate and calibrated files, displayed the results graphically, …


Legacy Borehole Project, Maza Brady, Luke Cashman, Erin Hicks, Meghan Richey Jun 2014

Legacy Borehole Project, Maza Brady, Luke Cashman, Erin Hicks, Meghan Richey

Interdisciplinary Design Senior Theses

The Legacy Borehole Project is a three-year effort to design and build a sensor package that will be used to explore the geological and chemical conditions of the ocean floor. Over the course of three years, a mechanical structure and a robotic system will be constructed to lower sensors into previously drilled boreholes. As the team responsible for the development of the first year of this project, we have constructed a prototype sensor package and mock mechanical structure to test a communication interface between the sensors and a graphical user interface. The sensors were tested by lowering the sensor package …


Distributed Smart Camera Network For Safety And Security, Nathan Fox, Matthew Kelley, Christopher Rapa, Christopher Yarp Jun 2014

Distributed Smart Camera Network For Safety And Security, Nathan Fox, Matthew Kelley, Christopher Rapa, Christopher Yarp

Interdisciplinary Design Senior Theses

Current CCTV surveillance solutions are generally retrospective tools. Because real time use of CCTV requires human monitors to view a potentially exorbitant number of video feeds, CCTV is usually only useful after an incident has occurred. However, new technologies are making it possible for machines to perform some tasks that previously required a human monitor. The proposed project seeks to augment existing CCTV systems with behavioral analytics. The system uses a series of cameras, FPGAs, and computers to track object movement throughout a facility. This information is used to build a model of normal movement. Object movements are compared against …


Arsenic Detection Project: Electronics, Anthony Clemetson, John Barth Jun 2014

Arsenic Detection Project: Electronics, Anthony Clemetson, John Barth

Interdisciplinary Design Senior Theses

This project is a collaboration with a team of bioengineers to adapt the functionality of laboratory equipment onto a platform which could be used in the field to determine the concentration levels of toxins in ground water. To this end, using a set of printed electrodes, a device was designed and fabricated with the constraints of field use in mind: low power, low cost, with a mobile user interface. An Android phone served as the mobile user interface, and also as the power supply for the circuit and microcontroller that performed the test. This circuit applied a stimulus voltage across …


Project Omoverhi : Low-Cost, Neonatal Incubator, Richard Fong, Guillermo Gallardo, William Jeffery, Danny Maeda, Gabriel Romero Jun 2013

Project Omoverhi : Low-Cost, Neonatal Incubator, Richard Fong, Guillermo Gallardo, William Jeffery, Danny Maeda, Gabriel Romero

Interdisciplinary Design Senior Theses

Project Omoverhi, since its beginning in 2010-2011, has been focused on creating an incubator that has the capability of operating completely off grid. This year the project has been focused on redesigning the original system to reduce the cost to approximately $1000. In addition to this we have designed and implemented a control system that enables the user to set a desired temperature which can be maintained to within 1 degree Celsius. Before the project is able to be completed further work must be done. The thermal storage system that was initially proposed by the original team still needs to …


Wireless Impact Detection System, Shawno Auwae, Kyle Terriere Jun 2013

Wireless Impact Detection System, Shawno Auwae, Kyle Terriere

Interdisciplinary Design Senior Theses

Recently, brain trauma caused by multiple concussions has become a pressing issue for contact sports, mainly American football players. The severity of the impacts in these sports have led to discussion concerning the standard safety equipment used, as well as the rules enforcing a certain style of play. Multiple studies have shown that concussions have damaging long-term effects, including dementia and memory loss. The dominant professional football organization, the National Football League (NFL), employs qualified athletic trainers to diagnose and treat players with concussions, but many incidents still go undetected. This problem is magnified at the youth level, where the …


Dynamic Poverty Heat Map, Jonathan Ahumada, Kurt Jurgens, Jasmine Farias May 2013

Dynamic Poverty Heat Map, Jonathan Ahumada, Kurt Jurgens, Jasmine Farias

Computer Science and Engineering Senior Theses

Data management and analysis can become an overwhelming task when having to deal with large amounts of data. Fundación Paraguaya (FP), an organization that aims at reducing poverty in Paraguay, currently has been facing this data readability issue. The data from electronic surveys conducted by FP to measure poverty levels in different areas of Paraguay are currently presented in a complex and overwhelming manner via Excel spreadsheet. This method of data representation increases the risk of committing errors, as well as slows down the process of efficiently locating the areas of greatest needs and allocating the resources to these areas. …