Residential Security Shared-family mapped

DrumBeat

Laundry Cycle Imbalance & Completion Alert

Detects washer/dryer drum imbalance (the walk-and-bang failure mode), abnormal bearing noise trend, and cycle completion — from a node in the laundry area, no appliance integration.

Open demo room Design this solution See how it works

Readiness Shared-family mapped

Mapped to a shared offline runtime family and usable with a recording or compatible ESP32 CSI stream.

Evidence Supported hypothesis

Published physics or adjacent results support the hypothesis; capability-specific product and site validation are still required.

Runtime family Machine vibration

Spectral energy and drift tracking for repeatable machine vibration signatures.

When no ESP32 is connected

No compatible ESP32 stream is connected. Use the bundled Home recording; it demonstrates the shared Machine vibration runtime, not independent proof of this capability.

Intended capability

Pilot this intended outcome through the shared Machine vibration family, then validate it against site-specific ground truth: Detects washer/dryer drum imbalance (the walk-and-bang failure mode), abnormal bearing noise trend, and cycle completion — from a node in the laundry area, no appliance integration.

This describes the intended outcome. Readiness is shared-family mapped, evidence is class B, and a catalog mapping or recording is not proof of this outcome at a real site.

Solution blueprint

See the environment before installing it.

This exact kit is one of 191 first-class designs. It includes geometry, objects, nodes, wording, scenarios, installation, limitations, and catalog-bound readiness.

Shared-family mapped

No rendered revision is available yet.

Bundled recording

A related Home scene

This is one recorded vertical scenario. It is not separate validation of every capability in the catalog.

01 The physics

Drum rotation imprints a strong periodic micro-Doppler line at the drum rate (~10-20Hz spin ramp) on nearby links; imbalance adds sub-harmonics and broadband banging bursts; bearing wear shifts harmonic ratios. All inside the proven 0.1-40Hz band.

02 Shared processing path

Edge Doppler-band summary (8-band 0.1-40Hz + dominant line) -> per-cycle band-signature template learned in 2-3 cycles -> imbalance = sub-harmonic ratio + burst rate excursion; completion = line disappearance -> adaptive PCA drift baseline for bearing trend.

This is a capability design path. Components may be shared with other catalog entries; it is not presented as a unique algorithm.

03 Validation plan

Own-hardware: one node 1-2m from a washer across 30 labeled cycles including staged unbalanced loads (towels), verify imbalance detection before the machine's own abort, completion within 2 min, zero alerts on balanced cycles.

04 Commercial hypothesis

For the household: 'Your washer texts you before it walks across the floor — and when the load is actually done.'