Regbot

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Small robot intended for control-1 exercises.
 
  
[[File:regbot-final.png|200px]]
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REGBOT is a small robot designed for exercises for our linear control 1 course (PID control) ([http://www.dtu.dk/english/Service/Phonebook/Person?id=14453 author]).
  
==Hardware==
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[[file:foto_of_Alba_40.png | 250px]]
  
[[Design overview]] can be found here.
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Figur 1. Version 2 of Regbot.
  
REGBOT comes in 2 versions:
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== Overview ==
* version 1A - with robot number 1..15
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* version 2B - with robot number 16..36
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[[REGBOT robot status]]
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This section is intended for users.
  
==Software download==
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[[Getting started]] with REGBOT GUI.
  
*Robot software (regbot.hex): 2.241
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[[User interface]], how to configure the robot using the Regbot client.
  
*Client software for windows (regbot.exe): 2.247
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[[Control]] overview gives some information on control possibilities.
  
(as of 1 January 2016)
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[[Mission]], how to write a mission.
  
repository for software - client and robot
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[[Regbot calibration]] for better performance.
  
* client: svn://repos.gbar.dtu.dk/jcan/regbot/qtgui
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[[Regbot maintenance]] for longer life.
* robot:  svn://repos.gbar.dtu.dk/jcan/regbot/regbot
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On a Linux computer do something like this:
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[[Regbot GUI]] installation.
svn co svn://repos.gbar.dtu.dk/jcan/regbot/regbot .
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svn co svn://repos.gbar.dtu.dk/jcan/regbot/qtgui .
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==Install software==
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== Install notes ==
  
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.
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This section is primarily installation notes and more detailed descriptions not usually needed by the end-user.
  
A driver must be installed to get in contact with the robot - see [[installation in windows]]
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[[Regbot command interface]] - command list.
  
The driver will create a com-port when connected - most likely com3 or any higher number.
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[[Software installation]] on REGBOT (Arduino) and tool-chain - Linux
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).
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* [[Software installation]] and tool-chain - Linux
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[[Regbot old stuff]]
* [[installation in windows]] some of the tool-chain
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* [[Schematic]]
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==User interface==
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The user interface can configure and run the robot, as well as inspecting almost all values on the robot. Written in python using Qt GUI library.
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[[User interface]]
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==Design overview hardware==
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[[File:blockdiagram_rev2.png]]
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Hardware blockdiagram.
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Most blocks are off-the-shelf hardware modules from PJRC (Teensy), Pololu (motor, driver and buck-boost converter) and Sparkfun (IMU).
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A line sensor is planned, but not implemented yet.
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==Design overview software==
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[[File:blockdiagram_software.png|900px]]
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Overview of software data flow. Yellow is control blocks.
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Green is hardware (motor and sensors), Light green is calculations. Light blue is obtained values.
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Gray is input values.
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Sample time for all controllers and data values are 1ms.
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All software is written in c++, based on Arduino libraries.
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* [[Design calculations]]
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==PCB connections revision 2B==
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Component placement and values (in red) are shown here.
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Plug connections are shown in blue.
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[[File:component-drawing.png]]
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The Sharp IR sensor output is not connected to an AD converter input.
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The IR sensor voltage divider output should be between 0 and 1.2V,
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and could be connected to A0 and A1 (used to be feedback from motor-controller).
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Unfortunately a plug can not be mounted (space conflict with USB plug).
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The orange wires are patches (line sensor low power at pin 32 and from IR sensor to A0 and A1).
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==Install hardware - version 1A==
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The motor and IMU wires are mounted as shown here.
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The IMU uses 4 wires only, so only the rightmost pins (1..4) on the main board are used.
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[[File:motor-imu-wire.png]]
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Pin 1 on the IMU is as shown here
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[[File:imu-wire.png]]
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The teensy processor and power is connected as shown
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[[File:teensy-annotated.png]]
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Latest revision as of 20:16, 7 December 2023

REGBOT is a small robot designed for exercises for our linear control 1 course (PID control) (author).

Foto of Alba 40.png

Figur 1. Version 2 of Regbot.

[edit] Overview

This section is intended for users.

Getting started with REGBOT GUI.

User interface, how to configure the robot using the Regbot client.

Control overview gives some information on control possibilities.

Mission, how to write a mission.

Regbot calibration for better performance.

Regbot maintenance for longer life.

Regbot GUI installation.

[edit] Install notes

This section is primarily installation notes and more detailed descriptions not usually needed by the end-user.

Regbot command interface - command list.

Software installation on REGBOT (Arduino) and tool-chain - Linux

Regbot old stuff

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