Engineering Commons^™

Advances Of Cone Penetration Testing In Earthquake Engineering Applications, Robb E.S. Moss, R. Moffat

Civil and Environmental Engineering

The Cone Penetration Test (CPT), because of its precision, accuracy, and utility has been increasingly used in earthquake engineering applications in the last decade. This paper provides a brief survey of recent advances in applying the CPT to; liquefaction triggering, post-liquefaction deformations, cyclic failure of clays, dynamic slope stability, and seismic site response. In granular soils the continuous CPT measurements of tip and sleeve resistance are well correlated with the engineering properties of relative density and friction angle. In clay soils the CPT tip resistance is directly proportional to the undrained shear strength. CPT measurements are ideal for weak or …

Robostock: Autonomous Inventory Tracking, Drew Christian Balthazor

Computer Engineering

No abstract provided.

Electronic Deer Warning System, David Zhuo, Anlang Lu

Computer Engineering

Deer-vehicle collisions (DVCs) are extremely dangerous, often injuring or even killing drivers. Unfortunately, this form of automotive accident is commonplace in the United States. According to the NHTSA, DVCs result in 200 human deaths a year.2

Despite these deadly incidents, there currently are no deployed federal or state systems for preventing DVCs. There are many consumer electronic deer deterrent products, but their long-term effectiveness is questionable.3 In fact, there does not appear to be much research into electronic deer deterrent systems. Aside from constant audio output and electric shock, no other means of electronic deterrent exist. Even if fixed deterrents …

Android Drone: Remote Quadcopter Control With A Phone, Aubrey John Russell

Computer Engineering

The purpose of the “Android Drone” project was to create a quadcopter that can be controlled by user input sent over the phone’s Wi-Fi connection or 4G internet connection. Furthermore, the purpose was also to be able to receive live video feedback over the internet connection, thus making the drone an inexpensive option compared to other, equivalent drones that might cost thousands of dollars. Not only that, but the Android phone also has a host of other useful features that could be utilized by the drone: this includes GPS, pathing, picture taking, data storage, networking and TCP/IP, a Java software …

Rgb Painting Simulation, Brandon Eng

Computer Engineering

No abstract provided.

Teaching The Internet Of Things: Bridging A Path From Cpe329, Steven Han, Rafael Lopez

Computer Engineering

“The ability to connect, communicate with, and remotely manage an incalculable number of networked, automated devices via the Internet is becoming pervasive, from the commercial kitchen to the residential basement room to the arm of the fitness buff.” - WSO2

In this report, we will investigate procedures and technologies used in IoT. A variety of cloud platforms will be described to demonstrate its strengths and usage on IoT applications. Furthermore, demonstrate the most popular hardware being used in several of these applications. This report is aimed to give a good understanding on what it takes to put together an IoT …

Autonomous Golf Cart Firmware, Gerik Kubiak

Computer Engineering

The Autonomous Golf Cart Project is a project sponsored by the Cal Poly Robotics Club. The multidisciplinary team is adding sensors and electronics to a regular golf cart with the goal to drive the golf cart around campus without and human input. This task requires a plethora of hardware and firmware to control that hardware. The firmware provides an interface for higher level software to then control the hardware and therefore drive the golf cart. This report is focused on the hardware modifications and the firmware used in order to drive the golf cart from a computer.

Isopropyl Alcohol Pump For Printed Circuit Boards Using An Arduino, Lawrence Zhu

Computer Engineering

No abstract provided.

Design And Implementation Of A Fixture For Robotic Welding, Isaac Nathaniel Williams

Industrial and Manufacturing Engineering

The Cal Poly IME department recently purchased a robotic welder. The faculty would like to see this robot incorporated into the welding class. The robot was capable of moving, but was not able to perform a weld prior to this project. This problem is addressed by creating a demonstration part for the welding class. The objectives that need to be complete for this to be possible is designing a part, designing a fixture, analyzing the cost of robotic welding, and implement welding the part in the class. The part is designed with specific requirements in mind. The fixture is designed …

Mri Upgrades At Radiology Associates, Patrick Cheung, Charlene Donlon

Industrial and Manufacturing Engineering

Problem Statement: The MRI machines at Radiology Associates are limiting the company’s ability to expand and compete within the local market. After discussing with technicians and managers at Radiology Associates, we decided to focus on hardware and software upgrades for the MRI machines. With 2 of the 3 locations purchasing new machines in the near future, our focus was on upgrades at the Santa Maria facility. The two machines at this location needed hardware and/or software upgrades to remain on par competitively both within the company and with local scanning options. Flexible coils are beneficial in terms of size, weight, …

Development Of A Process Monitoring Tool For The Manufacturing Process Of An Electric Vehicle Battery Enclosure, Ian Lamond

Industrial and Manufacturing Engineering

High volume manufacturing requires process control that is responsive to manufacturing related issues. It is critical that tools and resources are implemented that gauge manufacturing performance and identify root cause issues.

This project focuses on the design and manufacturing process of an electric vehicle aluminum battery enclosure and the implementation of a production measurement system. The current problem is a lack of process control communication and out of control alarms when uncontrolled events occur for manufacturing associates at the battery enclosure manufacturing work station.

This report examines the core principles of Quality Engineering, the economic advantages of implementing a vision …

Application Of Gearbox Drivetrains For Commuting Bicycles, Loren Sunding

Industrial and Manufacturing Engineering

People all over the world are beginning to ride their bicycles more often to destinations which include work, school, and local markets. Most bicycles being used for these activities have an external drivetrain exposed to the elements of the road including water, mud, dirt, and debris. External drivetrains are very fragile and when damaged, pedaling efficiency is greatly reduced and the overall riding experience diminishes.

One solution to this issue is a gearbox specifically designed for a bicycle frame. A gearbox has several mechanical mechanisms operating inside a protective housing. Since the housing is fully sealed, outside elements are not …

Design And Prototyping Of An Adjustable Putter, Daulton Morgan

Industrial and Manufacturing Engineering

Being able to demo a golf putter is essential for a golfer since the feel of the putter is critical in determining what suits the golfer best. Due to the market being primarily dominated by right-handed players, it is difficult for left-handed players to demo high quality putters since the selection is sparse.

This report is about designing and integrating an interchangeable fastening system that allows a putter to be altered between a right and left-handed orientation, while still maintaining the traditional look of a putter. The report covers the necessary design steps, the prototyping of the putter, the projected …

Assembly Line Kitting: Foam Mold Material Substitute, Samer Samy Saleh

Industrial and Manufacturing Engineering

Kitting is considered an incredibly innovative and effective solution intended to aid operators within a mixed model assembly line. However, it is a non-value added procedure and one that customers may not be willing to pay for. With this project, the goal is to examine opportunities to employ lean principles and provide a solution that further eliminates non-value added procedures, while also producing the potential for a flexible, mixed model assembly line.

To achieve the aforementioned purpose, the production of foam molds, located within industrial totes and sent to the assembly line, was found to be a major waste within …

Managing Drip Filter Backflush Water, Charles M. Burt

BioResource and Agricultural Engineering

The paper discusses the principles of backflushing different types of filters, as well as pressure and flow requirements for proper backflushing of various filters. Additionally, it discusses options for what to do with the backflush water. A prototype ITRC design for cleaning and recycling backflush water is presented.

Novel Integration Of Conductive-Ink Circuitry With A Paper-Based Microfluidic Battery As An All-Printed Sensing Platform, Rishi A. Kripalani

Master's Theses

The addition of powered components for active assays into paper-based analytical devices opens new opportunities for medical and environmental analysis in resource-limited applications. Current battery designs within such devices have yet to adopt a ubiquitous circuitry material, necessitating investigation into printed circuitry for scalable platforms. In this study, a microfluidic battery was mated with silver-nanoparticle conductive ink to prototype an all-printed sensing platform. A multi-layer, two-cell device was fabricated, generating 200 μA of direct electrical current at 2.5 V sustained for 16 minutes with a power loss of less than 0.1% through the printed circuitry. Printed circuitry traces exhibited resistivity …

Solar Car Suspension System, Alex Power, Adam O'Camb

Mechanical Engineering

No abstract provided.

Biofuel Gasification For Residential Heating, Bryan Duke, Courtney Mcintosh, Jeron Hogan

Mechanical Engineering

No abstract provided.

Revolutionized Additive Manufacturing, Matthew Walker, Winthrop Townsend, Luca Fuller

Mechanical Engineering

No abstract provided.

Rocket Stats, Kyle Cornelison

Computer Science and Software Engineering

An Android application to allow Rocket League players to view their stats and track progress.

3-Axis Automated Probe Traverse For Aerodynamic Testing, Tananant Boonya-Ananta, Ricky Wai, Zander Oostman, Teyvon Brooks

Mechanical Engineering

Our primary objective is to design, build, and test an automated traverse to hold measurement probes in Cal Poly’s low speed wind tunnel. The device should cause minimal flow disturbance. It’s movements must be able to cover eighty percent of the three-dimensional test section. The device should have a mounting point for interchangeable probes. The assembly is to be integrated with the current frame structure on the wind tunnel test section, and should allow very minimal deflection of the measurement probe. The user should be able to control the motion of the traverse via a computer interface which supports automatic …

Accumulator Volume Sensor Final Project Report, Chris Naughton, Kinwei Yu, Michael George

Mechanical Engineering

Accumulator Volume Sensing Team has developed two sensor designs aimed at detecting the position of the piston within a 4024 accumulator. The two designs include the use of a Renishaw LMA10 magnetic encoder and a SpectraSymbol HotPot linear potentiometer. The magnetic encoder solution drastically increases the accuracy of sensing the piston position compared to the current solutions of both a string-pot and linear variable differential transformer while costing slightly less. The linear potentiometer seeks to provide a solution that drastically decreases the cost compared to the present sensing methods. Both designs call for a modification to one half of the …

Power Distribution:Protection Analysis, Avneet S. Samra

Electrical Engineering

The objective of this project is to build a radial distribution system that operates on a lower voltage. The system consists of a transmission line protected by a SEL-351 Relay, a three- phase transformer protected by a SEL-587 Relay, and a three-phase induction motor protected by a Cooper Form 6 Controller. The SEL-351, SEL-587, and the Cooper Form 6 Controller are microprocessor-based relays that are used to provide protection under faulted conditions. When a fault is detected in the system, the closest upstream relay sends a trip signal to its assigned local breaker. The SEL-351 provides overcurrent protection for the …

Garage Door Security System, Trevor Lehr, Austin Williams

Electrical Engineering

This project focuses on the design and build of a low cost system that monitors garage doors and transmits their state to a receiver unit placed at a convenient location inside the user’s house. This provides the user with the ability to monitor their garage doors from the comfort of inside their home without having to go outside and look at the garage. The receiver unit includes a screen to display system information and LEDs to make it easy to view the garage door’s status from a distance. The system has great enough range to place the receiver at any …

Designing A Power Distribution System For The Arce 257 Revit Structural Model, Reid Wilhelm

Electrical Engineering

The construction industry needs engineers. Mechanical, electrical, and plumbing engineers, better known as MEPs, comprise a large number of employees who design and assist in the building of commercial structures. In particular, electrical engineers design power distribution systems for these buildings, including the power, lighting, low voltage, and fire protection subsystems.

Here at Cal Poly, architectural engineers enrolled in ARCE 257 create authentic structural plans for a fictitious two-story structure. This senior project transforms these structural plans into an architectural model and creates a power distribution system for the entire building. This is done through a building information modeling (BIM) …

Development Of Cal Poly's Shock Table, Christopher D. Risner

Master's Theses

Shock is one of the environmental tests that a spacecraft must pass before being cleared for launch. Shock testing poses a challenging data acquisition issue and careful selection of equipment is crucial to creating a successful shock test facility. Cal Poly’s CubeSat programs can currently perform all environmental testing other than shock themselves, so a quality shock table would be useful. Previous groups of students had developed a shock table, and this paper details the improvement and characterization of that shock table’s behavior. Several adjustable parameters were tested and documented to discover trends in the shock table’s response to an …

A Case Study On Achieving 100% Customer Satisfactory Homes In Production Home Building, Garrett Whitlock

Construction Management

No abstract provided.

Fiber Glass Mat Splice Automation, Max Weinstein, Charles Scott Forbes, Max Kilpatrick

Mechanical Engineering

Currently, GAF has two operators manually splice together each roll of fiberglass mat. To save money and resources, GAF wants to automate this splicing process. Our team is responsible for stage 3 of 5 in this automation process. We are responsible for ensuring that the system is able to move autonomously to the necessary positions required for splicing together the rolls of fiberglass mat. We have determined the best solution for accomplishing this movement is to use linear slide actuators. This document will describe the process by which we arrived at our solution, the details of our solution, and a …

Final Design Report: Grasp Data Acquisition Project Axon Vr, Michael Erberich, Jack Schultz, Tyler Yeaman

Mechanical Engineering

No abstract provided.

Cal Poly Engineering Photobot: Final Design Review, Samantha Clements, Carlos Esquivel, Kassandra Rodriguez, Aubrey Russell

Mechanical Engineering

The purpose of this project was to create a remotely controlled camera device; the PhotoBot captures images and videos of various plants and perhaps animals for biological analysis. The features for such a device allows a user to capture images and videos from various angles and heights with minimal outside assistance. Furthermore, the device is designed for users that do not wish to spend an extensive amount of time and effort taking pictures and videos in the rainforest. The key constraints of the device includes safety, versatility, ease of use, and durability. Ultimately, this project was completed for Dr. Cris …