Physical AI Lab

A costmap cell with value 255 follows its own unknown-handling branch. Trace the emitted centre point separately from visibility and finite obstacle geometry.

A fixed pad correction aligned one authored linkage pose but left a 12.124-degree pair error at another. Compare finite face angles, edge gaps and center apertures.

Trace robosuite’s componentwise action map before changing gains: asymmetric output bounds can shift zero input, while clipping can collapse distinct commands.

One robosuite action can span several internal steps: trace the first-pass goal update separately from repeated state updates and controller calls before changing gains.

When MTC stages produce local results but no complete serial task, trace producer and consumer ports, monitored solutions, paired scene hypotheses and property sources before tuning planners.

A large Nav2 route-edge cost does not automatically close the edge. Trace eligibility, the active scoring branch, each scorer’s boolean result and its additive contribution.

In the examined Nav2 GeoJSON loader, a crossing in the drawing does not create adjacency. Trace startid and endid through shared node identities, and verify reverse edges separately.

Trace Nav2 docking poses from an instance and loaded plugin to staging, local refinement and the projected controller target. Frame-aware logs separate these roles from contact and charging.

Trace Nav2 velocity-polygon selection through overlapping ranges, uncovered commands and holonomic direction checks. Polygon names do not guarantee fallback behavior or braking coverage.

Choose how work owns a MoveIt PlanningScene: live access under a guard, a detached copy, or a parented diff. The examined source shows why const pointers and copied guards require different lifetime checks.