Quote:
Originally Posted by ferret_guy
my main concern is that it gets away from someone so I wanted to implement something that required no thinking to engage, I thought that a big red button may not get pressed by the time something bad happens.
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Is the person riding the robot, or is the person walking along / behind the robot?
This is an important question for the design of your switch.
If the person is riding the robot, then a lawn mower style deadman switch is probably not appropriate. When people get scared, their natural reaction is to grip tighter, not let go. Furthermore, if the robot is truly getting out of control, then you really don't want them to let go since the robot will most likely throw them causing injury.
If the person is walking along or behind the robot, then a lawn mower style dead-man switch is appropriate.