Portfolio of Projects

SDA's Tranche 0 Transport Layer - Terran Orbital

What?
  • Lockheed Martin selected Terran Orbital as the bus supplier for the SDA's 10 communication satellites for the Transport Layer Tranche 0
  • Tranche 0 is the foundation layer which represents the initial step in building an interoperable, connected, secure mesh network
  • Tranche 0 will demonstrate Joint All-Domain Operations capabilities by linking nodes together and creating seamless connectivity between all domains

    • How?
  • Owned and led integration/test campaigns at various levels of spacecraft development by communicating progress, challenges and opportunities to engineering and leadership in a clear and effective manner
  • Operated and maintained environmental test systems (Vibration, Thermal, TVAC, etc.)
  • Presented vehicle/component behavior issues to Engineering Review Board and led investigations by debugging and driving to determine root cause
  • Collaboratively worked with team members to produce procedures for space vehicle assembly/test

    • Results?
  • Collaboratively worked with engineering team to produce and deliver 10 space vehicles for Tranche 0 foundation layer
  • Assembled and Integrated modules to spacecraft vehicle. Thoroughly tested and debugged to meet schedule while staying diligent and having proper documentation
  • Produced procedures for space vehicle assembly/test, created and presented TRRs for Thermal/TVAC/Vibration testing, and communicated progress

    • Bandsaw Blade Guide UX Design - Laguna Tools

    What?
  • Improve the mechanical design of bandsaw guide by reducing time to replace ceramics and bearing
  • Design a new guide for bandsaw with 30% reduced adjustment time by making it more accessible underneath the table
  • Develop and print a prototype the can be tested on the provided bandsaw while also reducing the cost of current model by 10%

    • How?
  • Designed 3D CAD models and detailed 2D engineering drawings using SolidWorks
  • Fabricated using rapid prototyping methods (3D Printing) and chose Nylon as the material for its durability
  • Performed simulations to display shear stress on ceramics using SolidWorks Simulations and presented updates to LagunaTools weekly

    • Results?
  • Printed and assembled guide with more precise adjustments and allows movement of 5mm using worm gear locking mechanism
  • Prototype of ceramic inserts where the concept uses set screws to hold the ceramic blocks in place
  • Produced a guide printed in Nylon that uses a lead screw whose nut is connected to the side guides powered by the worm gear

    • Two-Legged Walker - UCI

    What?
  • Designed rectilinear 4 bar linkage system powered by servo motor in Solidworks
  • Problem solve a system that allows a 3D model to move forward and backward
  • Created a steering mechanism to adjust front wheels to move in any direction powered by remote control

    • How?
  • Designed in SolidWorks a two-legged walker that uses servos to control the steering and remote control to power the gears
  • Produced 3D CAD model that shows in Motion Analysis movement walking in any direction
  • Manufactured using 3D-Printed methods (PLA) and laser cutting. Added gears, bearings and rods to create 3D system

    • Results?
  • Laser cut and assembled walker to have servo steering system and motor powered gears to move the 4 bar linkage systems
  • 3d printed legs to better balance the model allowing forward and backward movement
  • Arduino successfully outputs movement for gears to power linkage system allowing leg movement

    • Golf Ball Launcher Design and Manufacturing Project - UCI

    What?
  • Team of 6 designed an automatic golf ball launcher the can hit a few variable distance targets from a fixed location
  • Created a Bill of Materials for launcher to include manufacturing fees and supply costs
  • Golf Ball Launcher was able to launch from a height of 2ft. to 4ft. and land in a bucket between 15ft to 20ft. while bouncing once

    • How?
  • Designed in SolidWorks a golf ball launcher that uses servos to control the launch angle and the release mechanism
  • Programmed in MATLAB to output angle (0°- 60°) for the launcher and for Arduino to power the release mechanism
  • Manufactured using 3D-Printed methods (PLA) and wired laser, braking sensors, and servos to Arduino nano

    • Results?
  • Printed and assembled launcher to have rack and pinion method where rack will have metal rod to hold the back plate and release when computed
  • Electrical system assembled involving Arduino nano and battery pack wired to braking sensors, laser, and servos
  • MATLAB successfully outputted an angle moving the launcher and Arduino successfully instructed metal rod to hold and release ball to land in bucket

    • Automated Rotary Machine - Bal Seal Engineering

    What?
  • Run an automated fixture the can gain data on seal life and validation of seal designs
  • Reduce manufacturing time by 10% by improving automated rotary fixture
  • Develop an emergency safety system and a motor control system to control the rotations of the motor

    • How?
  • Programmed Arduino Mega to and wired emergency system including MQ-2 gas sensors, stack light and emergency button using an 8 channel relay module
  • Designed in SolidWorks and manufactured a 3D-printed mount for a rotary encoder to track motor going 16000 RPM
  • Connected digital potentiometer to control motor rotations and drilled motor plate into rotary fixture

    • Results?
  • Wired motor system to run at 240 Volts while encoder tracks rotation and digital potentiometer controls the motor speed
  • Emergency stop button was able to completely stop the motor system and the gas sensors were able to detect smoke tested with a soldering iron
  • Wired the sliding doors to notify when opened or closed and connected this system with the colors of the stack light

    • Solids & Liquids Rocket Project - UCI

    What?
  • Design a multistage rocket in OpenRocket to reach 50,000 ft (15,240 m) and calculate forces acting on design
  • Choose material for body tube, nose cone, and fins and create bill of materials for conceptual OpenRocket design
  • Develop a design that incorporates shock cords, bulkheads, couplers, avionics bay, parachute protectors, black powder

    • How?
  • Calculated velocities, pressures, and forces using MATLAB, Desmos, and SolidWorks(CAD & FEA Simulations)
  • Assembled a flight computer using a Teensy, sensors, and breakout boards programmed in Arduino
  • Simulated launch with 10mph winds while plotting the Altitude, Velocity and Acceleration

    • Results?
  • Achieved the Friends of Amateur Rocketry,Inc. guidelines in our multistage rocket design
  • Chose carbon fiber for its strength and it being lightweight while choosing plywood for the fins for the flexibility and strength
  • Designed a 3D-model in SolidWorks considering various pressures and forces analyzed

    • Yosemite Balsa Wood Bridge - UCM

    What?
  • Design, analyze, build and test a truss structure model with team of 4
  • Budgeted under strict guidelines a balsa wood truss bridge that can withstand at least 100 Newtons of force applied on the deck

    • How?
  • Created an AutoCAD blueprint for our Warren truss style bridge model
  • Used Excel to analyze the tension and compression in each joint

    • Results?
  • Assembled a prototype balsa wood bridge model measuring 10(in)x10(in)x7(in)
  • Withstood 270 Newtons of load on the deck that was tested by adding weights slowly to it