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World Models and Simulation

English articles about world models and simulation at Physical AI Lab.

OES sample placement in Blender: correct the pose before checking the footprint

Published: October 11, 2026 by Physical AI Lab

Three foot projections stayed over the usable top, while a separate 4 × 4 mm reference footprint overlapped an excluded region. Full relative-pose correction restored coverage in our Blender model.

Categories World Models and Simulation

Keyed-joint disassembly: test whether both interfaces share one release direction

Published: October 9, 2026 by Physical AI Lab

A 12 mm X sample cleared both parallel keys. With perpendicular keys, each prescribed X or Z trial cleared one interface while intersecting a wall at the other.

Categories World Models and Simulation

Reclaimed-beam fit-up: test whether one rigid adjustment can close every joint interface

Published: October 9, 2026 by Physical AI Lab

A bowed member kept approximately 480 mm² of projected face overlap but failed three-interface closure. Actual Blender measurements separated pose adjustment from shape mismatch.

Categories World Models and Simulation

Slide-gate aperture overlap: measure the shared opening as plate offset changes

Published: October 9, 2026 by Physical AI Lab

Moving one complete ring reduced the shared opening from 640 to 480, 240 and 0 mm² while the plate gap stayed at 2 mm. The actual geometry check separated opening overlap from spacing.

Categories World Models and Simulation

Dual pickup-head assembly: check whether both heads imply the same pane pose

Published: October 9, 2026 by Physical AI Lab

Both heads covered the pane, yet shifted or tilted placements implied different pane poses. A face-derived frame check separated those errors in an actual Blender experiment.

Categories World Models and Simulation

Roll assembly: check the barrel against its receiving pocket before axial loading

Published: October 9, 2026 by Physical AI Lab

Clear journal openings did not prevent the larger roll from intersecting its neighbors. Changing the receiving spacing resolved that static geometry mismatch.

Categories World Models and Simulation

Bayonet coupling assembly: clear the entry slots, then check retained lug overlap

Published: October 9, 2026 by Physical AI Lab

Deep seating produced finite shelf overlap without interference; the same 60-degree turn at a shallow position made the solids intersect.

Categories World Models and Simulation

Paired tendon guides: test whether route-length corrections add independently

Published: October 9, 2026 by Physical AI Lab

Separate left- and right-guide corrections overpredicted the combined upper route by about 0.17 mm in this finite four-state Blender test.

Categories World Models and Simulation

Cable layout feasibility: check bounded pull-only balance before choosing tensions

Published: October 9, 2026 by Physical AI Lab

Two cable fans admitted explicit bounded tension certificates, while a one-sided layout excluded the required zero horizontal force.

Categories World Models and Simulation

Rotating tendon guides: check route length before assuming a fixed transmission

Published: October 9, 2026 by Physical AI Lab

A noncircular guide added 3.30 mm over one 30-degree interval and 5.31 mm over the next, so one fixed conversion missed the second sample.

Categories World Models and Simulation
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