Demo Script

Target duration: 3-5 minutes.

1. Open The Dashboard

Open https://arhipovdan.ru/.

Explain that this is a 2D engineering simulation, not a decorative animation: the SVG scene shows a scaled work zone, conveyor dimensions, sensors, stop-gate, pushers and roll-cages.

2. Normal Flow

Select Normal flow, press Start.

Explain:

item enters zone A;
camera captures bbox;
laser measures height;
ultrasonic confirms gate position;
gate holds item;
classifier selects B/C/D;
route command is shown on the scene;
event log records the full cycle.

Question closed: can the system show a full sorting cycle end-to-end?

3. Step-By-Step Decision

Press Reset, then use Step state.

Explain each state in the timeline. Show that Step advances by logical state, not by arbitrary animation time.

Question closed: can the jury inspect synchronization and state transitions?

4. Oversized And Round Rules

Select Oversized item, step to classification.

Show decision tree:

dimensions check fails;
category C selected;
roundness is lower priority because dimensions are checked first.

Then select Round object and show D when dimensions pass and roundness >= 0.8.

Question closed: how is classification proved?

5. Robustness Scenarios

Show close_items, low_confidence, jam, emergency_stop.

Explain:

close items generate spacing warning and queue length;
low confidence uses rule-based fallback;
jam enters FAULT and stops conveyor;
emergency stop enters EMERGENCY_STOP and requires Reset.

Question closed: what happens outside the happy path?

6. PID And Metrics

Point to PID panel and metrics cards.

Explain that PID is simplified: actual speed approaches target in normal flow and decays toward zero in fault/emergency.

Question closed: how is conveyor control represented without overbuilding physics?

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