By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Goliath Team: Ernie Trujillo (Project Manager) Ryan Nguyen (MST Engineer) Tai Nguyen (E&C Software Engineer) Milton Ramirez (E&C PCB Engineer) Daniel Guerrero (M&D Engineer) Table of Contents Introduction This document provides resources to all major tasks that were completed by the Goliath team in […]
By: Tai Nguyen (E&C Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Introduction The Goliath tank is using (2) IR sensors on (2) Adafruit SI1145 to line follow. The SI1145 doesn’t have an IR LED on it, so an external 850nm IR LED bought from Everlight through Digikey is used […]
Written By: Milton Ramirez (Electronics & Control Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents Introduction The ultrasonic sensor works by one side sending an Ultrasonic sound and the other side recording the distance by how long it takes to listen to the echo. The sound that […]
By: Milton Ramirez (E&C Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents Introduction This blog post will detail our testing procedures to determine whether the goliath PCB board works as intended. Body We first tested the PCB with a continuity test. We first checked if the SDA […]
By: Daniel Guerrero (M&D Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents 1st Iteration: February 16th, 2018 Introduction: This is the beginning of creating a scale model of the German 302 goliath tank. Since it is the beginning of the semester and my team wasn’t set on […]
By: Tai Nguyen (E&C Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents Introduction The turning method of choice was turning using a gyro. The gyro we chose was the SparkFun Triple-Axis Digital-Output Gyro Breakout – ITG-3200. This specific breakout features an I2C serial interface, optional external clock, and […]
By: Ryan Nguyen (MST Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Introduction Arxterra controls were set up based on mission objectives and requirements. Four modes of control during remote mode are predetermined route mode, recorded route mode, playback route mode, and route with avoidance. The predetermined route mode commands […]
By: Tai Nguyen (E&C Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents Introduction The range finder, upon hearing reviews about it from previous semesters that it was a good choice above the ultrasonic sensor, has an ambient light sensor, range sensor, and IR emitter. Depending on the […]
By: Ryan Nguyen (MST Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Test Description A mock-up motor under load test was performed to determine how much current the Goliath’s motors would draw while being put on mock loads, which were weights. Since the amp-meter has a large resistance, direct current […]
By: Milton Ramirez (E&C Engineer) Verified By: Ernie Trujillo (Project Manager) Approved By: Miguel Garcia (Quality Assurance) Table of Contents Introduction This blog post will go over all the different iterations for the PCB layout for Goliath. Eagle Layouts This design was just a rework of the ITG-2200 breakout, to fit on top of the […]