C457 Analysis

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Introduction

An x-y stage, controller and software for conducting ASTM C457 Procedures A and B were developed for an MDOT Transportation Materials Research Center supplemental project in 2019. The stage is constructed from readily available components purchased from online retailers. A small number of structural elements were designed and fabricated to complete the stage. The system was designed with low-cost and ease of maintenance in mind, utilizing ballscrew actuators and an Arduino-based controller to drive the two NEMA17 stepper motors. The server operates on a Raspberry Pi and Franklin firmware is used for motion control. A common game controller is used to capture user input and control the stage. The user interface is provided over a web connection, supporting most internet browsers. The interface can be served over a local area network or a monitor, keyboard and mouse can be attached directly to the Raspberry Pi creating the standalone system.

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