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Hazard scenes

github-actions[bot] edited this page Oct 23, 2026 · 1 revision

Hazard scenes

The risk assessment rates 34 hazards of a desktop arm that nobody in the project has yet seen move under the fork's rules. Fifteen of them are drawn: upstream's v1.1 CAD, posed by a joint rig at the moment the hazard occurs, a person where the interaction analysis puts them, and the numbers the geometry gives beside the package's rating and the stop functions that do or do not exist at the baseline.

Three hazard scenes rendered on upstream's CAD, cropped to their 3D view: the elbow closing on the operator's fingers while hand-guiding, the gripper coming down on a hand against the bench, the base sweeping past a bystander's head

They are pictures, not evidence. Every render carries a red band reading synthetic, no evidence credit. No scene is referenced from a claim in the safety case. Every rate and limit is an assumption named on the picture, because upstream declares no joint limits or speeds and the speed caps per mode are an open decision.

Where to look

If you want to Read
See all fifteen dashboards with their outcomes the gallery
Understand what a dashboard shows and does not show WP-P-12 §4
Know how the joint rig was built from the CAD WP-P-12 §3
Add a scene or re-render one the pipeline page and scenes.yaml
See the hazards the scenes picture the risk assessment

How to read one

Hazard card and arm state on the left; the large view with the red band, the outcome tiles and a callout in the middle; the scene and top views and the event list on the right; a row of plots (the gap or distance against the ISO 13854 limits, the joint speed against the assumed rate, the finger-tip speed, and "not modelled" where a current or a force would be); a film strip of the key frames; a footer that says what the picture is and is not. The layout is LionDriver's scene dashboard, so a reviewer of both projects reads them the same way.

What the first fifteen show

  • The elbow and wrist covers as modelled close through the ISO 13854 finger gap long before the modelled end-stop, so a joint-gap design measure is not optional.
  • A person at the near bench edge is inside the gripper's sweep at every pose that reaches that side, so the marked area has to be on the far side of the bench or the base turned.
  • Every outcome turns on the assumed TEACH and RUN rates, which is the open speed-cap decision.

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