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Run motors in different direction 
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Joined: Sat Feb 12, 2011 6:17 pm
Posts: 12
Post Run motors in different direction
What is expected behaviour for NXT robot in RVW by doing the following:

motor[motorB] = 100;
motor[motorC] = -100;

My assumption is that the robot will turn round as so its vertical axis that located between the wheels will not move.
But I see that the robot performs some additional movement - it seems that another axis is used - the geometrical axis of the robot.

Could you advise?

Sun May 20, 2012 5:40 pm
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Joined: Sat May 12, 2012 7:07 am
Posts: 18
Location: Bangalore
Post Re: Run motors in different direction
Hi Koal,
The geometric axis of rotation for Rembot in RVW appears to coincide at the Sonar. So your program will result the pivot of axle for the wheels also to go round in circles.

However if you require a more accurate pivot for rotation use the BuggyBot or MammalBot. They have the center of rotation right at the center of the robot.

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Sun May 20, 2012 11:40 pm
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Joined: Thu Jul 05, 2007 12:45 pm
Posts: 35
Location: Carnegie Mellon
Post Re: Run motors in different direction
I imagine that you already know this, but the latest couple of RVW builds allow you to see the robot configurations. This is very helpful when figuring out how to program the motors. Some of the models have their motors reflected and some of them have the motors going in the same direction.

At least that's what I remember. :)

Fri May 25, 2012 5:08 pm
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