Regbot

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Small robot intended for control-1 exercises.

Regbot-final.png

Contents

Software download

  • Robot software (regbot.hex): 2.124
  • Client software for windows (regbot.exe): 2.124

(as of September, 2015)

repository for software - client and robot

On a Linux computer do something like this:

svn co svn://repos.gbar.dtu.dk/jcan/regbot/regbot .
svn co svn://repos.gbar.dtu.dk/jcan/regbot/qtgui .

Install software

Get the regbot.exe from the course homepage, place it in a directory, this directory will be default for configuration file and result files from the robot.

A driver must be installed to get in contact with the robot - see installation in windows

The driver will create a com-port when connected - most likely com3 or any higher number. When the robot is disconnected by unplugging the cable, then the client needs to be restarted if it was connected when the cable was unplugged (no connection detect in windows).


User interface

The user interface can configure and run the robot, as wel as inspecting almost all values on the robot. Written in python using Qt GUI library.

Gui rev0.png

for more advanced installation see installation in windows

Design overview hardware

Blockdiagram rev2.png

Hardware blockdiagram. Most blocks are off-the-shelf hardware modules from PJRC (Teensy), Pololu (motor, driver and buck-boost converter) and Sparkfun (IMU).

Design overview software

Blockdiagram software.png

Overview of software data flow. Yellow is control blocks (or estimation filter). Green is hardware (motor and sensor), Light green is calculations. Light blue isobtained values. Gray is input values.


Install hardware

The motor and IMU wires are mounted as shown here. The IMU uses 4 wires only, so only the rightmost pins (1..4) on the main board are used.

Motor-imu-wire.png

Pin 1 on the IMU is as shown here

Imu-wire.png

The teensy processor and power is connected as shown

Teensy-annotated.png

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