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AUTONOMOUS ROBOTIC DEVICES May 13, 2014 ABSTRACT This investigative lab studies the development and movement of robotic devices. The objective of this lab experiment in particular was to create a simplistic version robotic beetle that can move and react in the same manner as the household autonomous robotic vacuum device; the Roomba. Using items one could find within one’s home, the investigator utilized simple materials to create a simplistic autonomous robotic device that would contain the basic features of a Roomba, primarily the feature that implements the ability to essentially avoid objects rather than run straight into them, allowing the robotic device to move about a room with little to no outside…show more content…
Next, the investigator soldered all of the electrical wires between the components of the device. Once that was done, the spade connectors came into use. With paperclips bent to look like bug antennae, the spade connectors were connected to the paperclips with more heat shrinking tubing. These were then attached to the SPDT switches with glue. Finally, to turn the Beetle Robot on, the investigator put in the batteries and brought the device to life. The device was anticipated to move around as a Roomba would. RESULTS After the steps to creating the Beetle Robot had been executed, the investigator tested the Beetle Robot by placing it on the floor and turning on the device. The device did not react in the previously hypothesized manner; the Beetle Robot did move autonomously, but the antennas glue onto the device to act as the mechanical bumper on a Roomba were not nearly as effective as previously hypothesized. The antennas did not aide in the avoidance of surrounding objects, causing the Beetle Robot to come into full contact with items obstructing its path and getting stuck, requiring the investigator to have to redirect the device. DISCUSSION After the experiment had been conducted, the investigator concluded that the original hypothesis did not fit the outcome of the testing of the Beetle Robot. While it was hypothesized that the device would move and react in the same

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