Robot-Computer Communication

Overview

Objectives/Goals The invincible tic-tac-toe playing robot, Invictus 2000, challenges you to put your mind to a test. As you play, the robot#s #brain#, the computer, makes hundreds of calculations and decisions based on the inputs from robot sensors, and transmits commands to motors and other robot #muscles#. As a future roboticist, I wanted to find out which network communication protocol should I use in my robot designs, when response time is the most important requirement. Methods/Materials 1. Gather materials: 1.1. EV3 robotics kit 1.2. Computer for software development 1.3. Tablet computer for testing 1.4. Visual Studio development environment 1.5. EV3 robotics software 1.6. Wi-Fi network adapter 1.7. Wi-Fi network router 2. Build the robot 3. Program the computer software 4. Program the robot 5. Test Bluetooth interface 6. Test Wi-Fi interface 7. Create a graph 8. Write conclusion Results The experiment requested information from the robot in a loop, measuring total response time. The first 10 measurements were done using Bluetooth, and the second group of measurements was done using Wi-Fi. To compare the two groups, mean value was calculated for each group of measurements. Conclusions/Discussion The experiment confirmed my theory. Invictus 2000 responded 10.77 % faster when using Wi-Fi, then when it was using Bluetooth to communicate with the computer. In conclusion, Wi-Fi is faster than Bluetooth for Robot-Computer communication.

Competition history

• CSEF 2014 Electronics & Electromagnetics · Entry J0910

Resources

• CSEF project summary ↗

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