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New top-level examples/ folder for end-to-end demos that show how multiple
EVOLV nodes work together (complementing the per-node example flows under
nodes/<name>/examples/). Future end-to-end demos will live as siblings.
First demo: pumpingstation-3pumps-dashboard
- 1 pumpingStation (basin model, manual mode for the demo so it observes
rather than auto-shutting pumps; safety guards disabled — see README)
- 1 machineGroupControl (optimalcontrol mode, absolute scaling)
- 3 rotatingMachine pumps (hidrostal-H05K-S03R curve)
- 6 measurement nodes (per pump: upstream + downstream pressure mbar,
simulator mode for continuous activity)
- Process demand input via dashboard slider (0-300 m3/h) AND auto random
generator (3s tick, [40, 240] m3/h) — both feed PS q_in + MGC Qd
- Auto/Manual mode toggle (broadcasts setMode to all 3 pumps)
- Station-wide Start / Stop / Emergency-Stop buttons
- Per-pump setpoint slider, individual buttons, full status text
- Two trend charts (flow per pump, power per pump)
- FlowFuse dashboard at /dashboard/pumping-station-demo
build_flow.py is the source of truth — it generates flow.json
deterministically and is the right place to extend the demo.
Bumps:
nodes/generalFunctions 43f6906 -> 29b78a3
Fix: childRegistrationUtils now aliases the production
softwareType values (rotatingmachine, machinegroupcontrol) to the
dispatch keys parent nodes check for (machine, machinegroup). Without
this, MGC <-> rotatingMachine and pumpingStation <-> MGC wiring
silently never matched in production even though tests passed.
Demo confirms: MGC reports '3 machine(s) connected'.
Verified end-to-end on Dockerized Node-RED 2026-04-13: pumps reach
operational ~5s after deploy, MGC distributes random demand across them,
basin tracks net flow direction, all dashboard widgets update each second.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
53 KiB
53 KiB