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iBot – Robotics Club of IIT Madras
Tutorial 1.1.1
Build Your Basic Bot
iBot is a Robotics Club of Indian Institute of Technology (IIT), Madras incubated at Centre for
Innovation (CFI).
iBot has been there since few years and has undertaken many challenging projects.
1) Robocon
Figure1: Manual and Autonomous Carrier robots carry traveller robot to the drum zone.
Robocon is considered one of the most prestigious Robotics events in India. Robocon is
a national and international level Robotics competition held every year in the month of
March. IIT Madras has been continuously participating in the same for last 5 years. Every
year, the problem statement is released by one of the Asian countries on the basis of
their culture and tradition. A winning team in nationals gets a chance to represent India
in internationals which is held in host country. In year 2009, the hosting country was
JAPAN. Problem statement was based on the ancient Japanese custom of Kago.
Figure2: Manual Robot
Robocon 2009 was the prestigious one in the history of IITM Robotics. For the first time,
our institute earned a privilege to represet india at Roboocn 2009 at
TOKYO, JAPAN.
After an uninspiring performance at the group stages, the underdogs turned giant
killers, performed brilliantly at the knockstage and finally emerged victorious.
People all over India watched scenes of joy in the team camp, as IITM also bagged
‘The
best design award’.
1. Lets Get Started
There are many ways by which you can get involved in technical activities in our
institute.
1.1 Tech Soc – Techsoc is a series of inter hostel technical competitions including both
individual and mass events .To involve yourself in it, contact respective Technical
Affairs Secretary (TAS).
1.2 You can be a part of any of the ongoing projects provided there is a vacancy for the
same. For this, you will have to personally contact one of the project team members.
1.3 If you have an idea which you always wanted to turn it into a reality, you can go
ahead and inform one of the iBot members, list of which is provided at the end of
this tutorial.
1.4 Become a Robotics Club Member – You can apply for being a robotics club member.
iBot expects some kind of basic knowledge and experience, enthusiasm and
commitment towards Robotics. One of the ways by which you can gain experience is
build your own basic robot as described in this tutorial.
We will try and make a simple remote controlled robot which can be made to move in
any desired direction. This is just to get you started and gain enough momentum so as
to push you to higher level projects or even propose your own ideas. Remember, the
start has always been the trickiest part. Once you are through the first basic levels, you
get a knack of it.
Before we start, you can form teams of 4-5 who are determined to ‘MAKE THIS
HAPPEN’.
First thing that you require is to have a basic understanding of all the required tools.
2. Tools Required:
2.1 Hacksaw or Jigsaw
2.2 Hand drill or Power Drill
2.3 Spanners
2.4 Pliers
2.5 Screwdriver
2.6 Wire stripper
Hope you all are familiar with these tools and know how to operate on them. If not,
spend some time in doing so.
3. Differential Drive System (Robot Locomotion)
As suggested by its name itself, the independent control of both the driving motors
(both front and back) is called differential drive. With the combination of four switches,
i.e,
4.
5.
6.
7.
Left motor front
Left motor back
Right motor front
Right motor back
bot can be made to move in any desired direction. Following table shows the resultant
direction in which the bot moves when a particular combination of switch is pressed.

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