Parameter explorer

Walking person

The person walks across the deck while it vibrates.

ProjectHuman-carried indirect sensing
Records20 crossings
Stored1207 configurations
Band0.3 to 50 Hz
AuthorsJ. Babazade and F. Lüleci

1Set the deck and the person

Pick one parameter to sweep. Set the others with the menus. Combinations with up to two parameters off baseline are stored.

Run locally:  cd src  &&  python3 explorer.py --serve

2Spectra

Detail level Smoothing0.06 Hz
A. Deck
B. Smartwatch (wrist)
C. Smartphone (hip)

A is the deck alone under the ambient shakers. B and C are the devices on the person, as the first singular value of x, y and z over 20 crossings, left and right averaged. Red dashed lines are the deck modes of the detail level. Diamonds are captured modes, filled when observable. Dotted curves are the same records on a rigid floor.

3Mode shapes

Pick a deck mode below, or click a peak on the deck graph. The mode is checked on both devices.

Deck modes
Mode shape
Select a mode to see its shape.

4The person's own lines

5Observability

OI = 100 · G · (F · Pown · Pbg)1/3   per mode and device.   Unobservable below 27.5, observable from 92.3. Scored at σ = 0.06 Hz.

F is frequency agreement with the deck mode. Pown is the peak's prominence on the device curve. Pbg is its height over the rigid-floor curve. G is zero when the device curve does not rise above the rigid floor in the mode's band. A device's OI is the mean over the deck modes.

6Mode frequencies (Hz)