By: Jose Alcantar, Electronics and Controls Engineer HC-SR04 Experiment Data Sheet Values: Max Range: 4m Min range: 2cm Measuring angle: 15 degrees Purpose: Testing the field of view on the HC-SR04 to find a suitable mounting position for the two ultrasonic sensors along the front of the rover. Procedure: An object was placed in front […]
By: Nick Lukin (Design and Manufacturing Engineer) Table of Contents Introduction Figure 1: Overall Mechanical Design The mechanical design of the Pathfinder utilizes many parts and sub-assemblies in order to achieve all the requirements associated with the overall design. In order to achieve the level 1 requirement of being able to successfully traverse a pre-determined […]
By Jose Alcantar, Electronics and Controls A set of different types of sensors were considered for detecting no load conditions on the Pathfinder, these include: Current Sensors: These type of sensors allow the user to monitor the current draw on each of the motors. Flex Sensors: This type of sensor measures the deflection caused by […]
By: Nick Lukin (Manufacturing and Design Engineer) Two motor driver shields were taken into consideration for the Pathfinder Project, the Pololu VNH 5019 and the Adafruit V2.3. Each shield had its own pros and cons and there were a variety of factors that needed to be taken into consideration during the evaluation process. The figure […]
Sabina Subedi (Project Manager) Adan Rodriguez (Mission, Systems & Test) Jose Alcantar (Electronics & Controls) Nick Lukin (Design & Manufacturing) Table of Contents Work Breakdown Structure (WBS) By Sabina Subedi (Project Manager) The WBS shows all the work that is to be completed by the Pathfinder – Chassis group. The WBS is arranged into three main […]
Sabina Subedi – Project Manager Adan Rodriguez – Mission, Systems and Test Jose Alcantar – Electronics and Controls Nicholas Lukin – Design and Manufacturing Table of Contents Review of Literature By Sabina Subedi, Project Manager Level 1 requirements for the Pathfinder from Spring 2016 were reviewed and analyzed per the requirement evaluation rubric provided below. […]