A reversing vehicle follows the designed path

Han_Z_61

Hi

In most vehicle dynamic analysis in MotionView/MotionSolve, the vehicle moves forward. However, I have a use-case which need the vehicle to move backward and also follow a designed curved path.

I have succeeded in setting up the vehicle model which reverses along a straight line. By deactivating "Compute steering ratio" I also have the vehicle steered while reversing.

But the vehicle could not follow the path which I expected the vehicle moves along. I can see the vehicle struggling to zigzag around the path. Whatever I changed the path curvature and the vehicle speed, the vehicle still fails to behave like what it does if moving forward.

Any suggestions to make it work?

Cheers,

Han Z

GTT Adam

Hi @Han_Z_61,

In version 2026 of MotionView, you can essentially enable a 'rear steer' version of this model:

So rather than the default front steering ratio of 16 and rear steering ratio of 0, you can flip those values.

I would also rotate the entire vehicle 180 degrees so the direction of travel is in the standard -X direction, and thus should allow the Driver Model to process the steering correctly as a Feed Forward controller.

Hope this helps!

Adam Reid