Does anyone have any ideas? Even a small suggestion would be a great help to me. On Friday, June 27, 2025 at 8:28:42 AM UTC+3 osman cankurtaran wrote:
> I’m simulating an 8×8 vehicle with all-wheel steering in PyChrono. > Everything behaves correctly when driving straight or at moderate steering > angles (up to ~15°), but as soon as I apply full lock steering and drive > forward, the very last (eighth) wheel exhibits a completely unrealistic > rotation—as if its joint has “snapped.” > > *Details:* > > - > > *Vehicle:* 8×8, all-wheel steer enabled on every axle > - > > *Suspension:* DoubleWishboneReplica on all four axles > - > > *Steering:* Pitman-arm linkage on front axles, mirrored geometry on > rear axles > - > > *Observed Behavior:* > - > > *OK:* Straight-line driving; steering up to ±15° > - > > *Fail:* Full-lock steering (~±30°): rearmost wheel suddenly > spins/tilts uncontrollably > > *What I’ve Checked:* > > 1. > > Attachment points and body names in the rear suspension JSON > 2. > > Steering index and Pitman-arm link geometry for the rear axles > 3. > > No error messages—simulation continues but the wheel motion is clearly > wrong > > *Questions:* > > 1. > > What common mistakes cause a single wheel joint to behave “broken” > only at extreme steering angles? > 2. > > Are there known pitfalls when mirroring Pitman-arm steering linkages > on rear axles? > 3. > > Which debugging steps or visualization techniques work best for > isolating axle-specific joint misconfigurations in PyChrono? > > Any advice or pointers would be greatly appreciated! > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to projectchrono+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/projectchrono/48e7be1e-f589-48be-9987-b8c9e47d9e0fn%40googlegroups.com.
