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Unread 08-10-2008, 16:28
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Re: E- Stop and The New FRC Control System

Quote:
Originally Posted by Ken Streeter View Post
This does mean, however, that a team always has to have their switch on hand in order to enable the robot.
Which is the entire point. Can't operate safely without a safety switch and all that.

An additional good safety system, if not necessarily for FRC robots, is the deadman switch. It's (usually) a 3-position switch that's only closed when squeezed half way. Released or gripped tightly, the switch is open and the robot should cease operation. The reasoning being that humans are likely to release something OR grip something tightly in a panic situation, but likely won't maintain a calm, light grip on something. Probably annoying to have an over excited driver kill your robot in the middle of a match with a death-grip.... but it might make a good training tool for encouraging the drivers to stay calm in practices.
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