[ODE] Hinge problem

[Benny Kramek]

You probably know this already, but when you anchor the joint, then that 
  relative orientation of the bodies is considered 0.

Michael Scharvogel wrote:
> hi folks...
> 
> I build up a small test robot. As a matter of fact i am far from that and
> still trying to build the robot model. Like with an ant the legs shall be
> segmented. For a first try I have six legs but only two hinges per leg.
> The first part of each leg is connected to the body and its hinge can move
> between -45 and 45 degrees (yes I am using rad for the ode stuff :-)
> 
> The next part of each leg can move up and down. The corresponding hinge is
> limited by 0 degree as low stop and 70 degree as high stop.
> I build the whole thing up at a hight of 2 and let it drop down on the
> floor.
> It's working just fine. But after lying on the floor for a short while, my
> bug seems to get bored and stands up...
> That would be just fine if only I had told it to do so...
> It seems to me, that the up / down hinge try to achiev their hi limit
> position...
> But why ????
> 
> Any comments on that ?
> 
> cya&bfn, mike.
> 
> 
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