 | | RE: vision command idea... —Tilman Sporkert
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| | | (...) If you are parallel and very close to an obstacle, like a curb or a wall, you can't get away from it with all-wheel steering. As soon as you turn the wheel to get the front away from the wall, the back of the vehicle will smash into it. This (...) (24 years ago, 14-Dec-00, to lugnet.robotics)
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| | | | | Re: vision command idea... —Jennifer Clark
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| | | | (...) Thanks for that explanation, everything is much clearer now. I suppose it is to do with the line perpendicular to the vehicle coinciding with the centre point of the turning circle; with all wheel equal steering, it will intersect the middle (...) (24 years ago, 14-Dec-00, to lugnet.robotics)
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| | | | | | Re: vision command idea... —Chris Wegener
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| | | | Another problem with all wheel steering is the problem of "switch over." Honda had a prototype of an all wheel steering car which used the mechanism of turning the wheels in opposite directions at slow speeds for improved turning radius and turning (...) (24 years ago, 15-Dec-00, to lugnet.robotics)
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| | | | | | Re: vision command idea... —J Austin David
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| | | | (...) For our purposes, this may not matter. However, couldn't the rear wheels be steered with a reciprocator? So as the steering wheel turns to the right, the rear wheels start turning right, then turn back to the left? So at, say 1/4 turn, the (...) (24 years ago, 18-Dec-00, to lugnet.robotics)
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