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4th February – Tug of War

This week we also got the second task which is Tug of War. This task seems to be the most interesting until now because it involving a robot ‘fight’ among other groups. So we start the task by thinking how to make our robot strongest from other. We have consider some attribute that seems to be important such as the type of tyre, the number of tyre and the programming. So from all that consideration, we finally have come out with a design that strong and have big tyres.

After the competition finish, we finally managed to get 3rd place out of 6. We find that even though we have done some discussion, our robot still have weakness such as not heavy enough and the tyre still not really strong. For the report of this task, you can view it below:


DATE: 4th February 2009

TIME: 0800 – 1330

TOPIC: Tug of War


The aim of this project is to design a robot that can compete in the Tug of War competition.


By the end of the lesson, students should be able to:

1.  Demonstrate the robot which can compete in the tug of war.

2.  Programming the robot using LEGO MINDSTORMS NXT Software.


1.  (9797) LEGO MINDSTORMS Education Base Set

2.  (2000080) LEGO MINDSTORMS Education NXT Software v2.0

3.  Small rope

4.  Tape


1.  Design a robot using your own group creativity.

2.  Fix the components according to the design which had been thinking.

3.  Setup the programming using MINDSTORMS Software.

4.  Download the program to the Intelligent NXT Brick.

5.  Test the robot to see whether it can function well or not.

6.  If it does not function well, modify the program again until it meets to the objectives given by the lecturer.

7.  Start the competition with the other groups.


Our group robot manages to get 3rd place in this Tug of War competition. Some problems had been identified by our group on why our robot cannot win the competition.


1.  The robot not really stable.

2.  The tyres not enough strong to pulling the other robot.


1.  The base of the robot should be heavier.

2.  The tyres should be strong to give stability to the robot body.


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