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Sunday, January 22, 2012
Drive configurations comparison
After a few previous posts regarding differential drive chassis and its self-steering developments, it might be useful, before we move on, to offer a table comparing all these drive configurations ― their pros and cons. Here we'll restrict the table to 4-wheeled types, though general ideas also apply to those with three or more pairs of wheels. Click on the table to zoom it for easier viewing.
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Wouldn't the second type of steering (from the left) have a zero-radius turn? You would run them otors in the opposite directions and the vehicle would turn in place, like a tank.
ReplyDeleteFor turning in place, yes. But reversing one motor to steer while driving is too unreliable and causes too much slippage - it's easier to just stop one motor. In that case the turning radius is large.
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