Quote:
Originally Posted by GeeTwo
I don't see how the air suspension would compensate for uneven loading. Air (especially if allowed to flow among the cylinders, or vent when over-pressured) does not behave like springs do in this case. If you have uneven loading such that the weight on any one wheel is greater than what the air can carry, that one will drop until the traction wheels touch the carpet and compensate. At lesser inequality I believe it will lift the lightest corner relative to the others, but if you have a low CoG it will take a lot of lift to effectively move the robot's CoG to the geometric center and equalize the weight carried by each wheel.
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I was under the impression that if the mecanums were pneumatically actuated, you could tune the pressure so that the cylinders would have some give. Then the heavier wheels would compress the springs, and all four wheels would still have the same ground contact. Am I wrong?