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Unread 20-04-2010, 01:20
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Re: Picking a gyro for field-centric swerve control

Quote:
Originally Posted by Danny Diaz View Post
There's a current bug in the cRIO FPGA image that prevented me from using it in the 2010 BreakAway game, but I am going to be prototyping with this thing like crazy in the off-season:

http://www.sparkfun.com/commerce/product_info.php?products_id=8656


I've been promised that the guys who work on the FPGA will fix it for 2011, so that I can get I2C communication with it working - the compass does clock skewing and the current cRIO implementation doesn't like that. With this sensor, and some well-placed encoders on the drivetrain, I should be able to drive any type of robot anywhere on the field during autonomous AND make the robot do whatever I want during the game (including field-oriented driving). With its integrated 3D accelerometers and the tilt-compensated heading, what more can you ask?

-Danny
That's a pretty awesome unit, but I noticed that it uses 3 mems accelerometers as well. They don't list the maximum DPS of those - but won't they have the same issues we already have with Gyros in collisions?
 


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