Embedded Motion Control 2012 Group 6

From Control Systems Technology Group

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Contents

SVN guidelines

  • Always first update the SVN with the following command
    svn up
  • Commit only files that actually do work
  • Clearly indicate what is changed in the file, this comes handy for logging purposes
  • As we all work with the same account, identify yourself with a tag (e.g. [AJ], [DG], [DH], [JU], [RN])
  • To add files, use
    svn add $FILENAME
    For multiple files, e.g. all C-files use
    svn add *.c
    Note: again, update only source files
  • If multiple files are edited simultaneously, more specifically the same part of a file, a conflict will arise.
    1. use version A
    2. use version B
    3. show the differences

How to create a screen video?

  • Go to Applications --> Ubuntu software centre.
  • Search for recordmydesktop and install this.
  • When the program is running, you will see a record button top right and a window pops-up.
  • First use the "save as" button to give your video a name and after that you can push the record button.
  • This software creates .OGV files, no problem for youtube but a problem with edditing tools.
  • Want to edit the movie? Use "handbrake" to convert OGV files to mp4.

Useful links

Documentation from Gostai

Standard Units of Measure and Coordinate Conventions

Specs of the robot (buy one!)

ToDo

List of planned items.

  • Study movement of Jazz robot
  • Handle vision, more specifically detection of the arrows
  • Scanning the environment

Presentation, chapter 8

[RV] introduction [RV] semaphores [DH] pipes [JU] event registers [AJ] signals [DG] condition variables [RN] summary

Progress

Progress of the group. The newest item is listed on top.

  • Week 1
    • Started with tutorials (all)
    • Installed ROS + Eclipse (all)
    • Installed Ubuntu (all)
  • Week 2
    • Finished with tutorials (all)
    • Practiced with simulator (all)
    • Investigated sensor data(all)
  • Week 3
    • Overall design of the robot control software
    • Devision of work for the various blocks of functionality
    • First rough implementation: the robot is able to autonomously drive through the maze without hitting the walls
    • Evidence on youtube http://youtu.be/qZ7NUgJI8uw?hd=1

Progress report

This progress report aims to give an overview of the results of group 6. In some cases details are lacking due confidence reasons.

The software to be developed has one specific goal: driving out of the maze. It is yet uncertain whether the robot will start in the maze or needs to enter the maze himself. Hitting the wall results in a time penalty, which yields to the constraint not to hit the wall. In addition, speed is also of importance to set an unbeatable time.

For the above addressed goal and constraints, requirements for the robot can be described. Movement is necessary to even start the competition, secondly vision (object detection) is mandatory to understand what is going on in the surroundings. But, the most important of course is strategy. Besides following the indicating arrows, a back-up strategy will be implemented. Clearly, the latter should be robust and designed such that it always yields a satisfying result (i.e. team 6 wins).

Different modules will be designed the upcoming weeks, which forms the building blocks of the complete software framework.

To be continued...

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