{"@context":"https://schema.org","@type":"TechArticle","id":"TR-LGT-002","slug":"perimeter-status-lighting","canonical_url":"https://flavorotor.com/research/perimeter-status-lighting","machine_readable_url":"https://flavorotor.com/research/data/chapters/perimeter-status-lighting.json","markdown_url":"https://flavorotor.com/research/markdown/perimeter-status-lighting","title":"Perimeter status lighting","description":"Electrical, thermal and optical boundaries for the addressable perimeter lighting used as a system-status interface.","chapter":"Experimental platform","version":"1.0","updated":"2026-07-27","table_of_contents":[{"id":"purpose","label":"Purpose"},{"id":"requirements","label":"Engineering requirements"},{"id":"validation","label":"Validation plan"},{"id":"claims","label":"Permitted claims"}],"html":"<section aria-label=\"Article summary\" class=\"fr-article-summary\"><div><span>In brief</span><p>The perimeter LED assembly is documented as a status and interaction layer. It is not treated as a calibrated horticultural light source.</p></div></section><h2 id=\"purpose\">Purpose</h2><p>The perimeter lighting communicates operating state, warnings, service conditions and user interactions without changing the central cultivation-light recipe. Colour assignments are interface states and are versioned in the software configuration.</p><div class=\"table-wrap\"><table><thead><tr><th>Function</th><th>Required behaviour</th><th>Research relevance</th></tr></thead><tbody><tr><td>Normal operation</td><td>stable, low-glare indication</td><td>must not alter a declared dark period</td></tr><tr><td>Warning</td><td>visible, distinct state</td><td>event is written to the operating record</td></tr><tr><td>Critical fault</td><td>unambiguous alert</td><td>associated actuator state and timestamp are preserved</td></tr><tr><td>Service mode</td><td>local identification of the active module</td><td>prevents maintenance events from being hidden in a trial</td></tr></tbody></table></div><h2 id=\"requirements\">Engineering requirements</h2><ul><li>exact LED family and revision recorded in the bill of materials;</li><li>maximum and typical channel current measured on the installed assembly;</li><li>voltage drop measured at the first, middle and final segment;</li><li>surface and enclosure temperature recorded at worst-case command;</li><li>power-supply headroom, connector rating and conductor cross-section documented;</li><li>brightness limited for night operation and camera acquisition;</li><li>status meanings remain accessible through text or the dashboard and do not rely on colour alone.</li></ul><h2 id=\"validation\">Validation plan</h2><p>Bench validation records current, voltage, temperature and command latency for representative patterns. Optical validation records spectrum and PPFD at plant positions with the central lamp off and on. Trial protocols state whether perimeter lighting was disabled, constant or included in the measured recipe.</p><h2 id=\"claims\">Permitted claims</h2><p>The website may state that the v2.0 architecture includes addressable perimeter status lighting. It may not state that the subsystem supplements photosynthesis, improves flowering or delivers a defined wavelength until a component-specific spectrum and plant-position photon map are published.</p>","text":"In brief The perimeter LED assembly is documented as a status and interaction layer. It is not treated as a calibrated horticultural light source. Purpose The perimeter lighting communicates operating state, warnings, service conditions and user interactions without changing the central cultivation-light recipe. Colour assignments are interface states and are versioned in the software configuration. Function Required behaviour Research relevance Normal operation stable, low-glare indication must not alter a declared dark period Warning visible, distinct state event is written to the operating record Critical fault unambiguous alert associated actuator state and timestamp are preserved Service mode local identification of the active module prevents maintenance events from being hidden in a trial Engineering requirements exact LED family and revision recorded in the bill of materials; maximum and typical channel current measured on the installed assembly; voltage drop measured at the first, middle and final segment; surface and enclosure temperature recorded at worst-case command; power-supply headroom, connector rating and conductor cross-section documented; brightness limited for night operation and camera acquisition; status meanings remain accessible through text or the dashboard and do not rely on colour alone. Validation plan Bench validation records current, voltage, temperature and command latency for representative patterns. Optical validation records spectrum and PPFD at plant positions with the central lamp off and on. Trial protocols state whether perimeter lighting was disabled, constant or included in the measured recipe. Permitted claims The website may state that the v2.0 architecture includes addressable perimeter status lighting. It may not state that the subsystem supplements photosynthesis, improves flowering or delivers a defined wavelength until a component-specific spectrum and plant-position photon map are published.","source_ids":["I02","R33"],"visuals":[],"sources":[{"id":"I02","authors":"FlavoRotor project team","year":2026,"title":"FlavoRotor v2.0 system architecture","publication":"Internal engineering design report","doi":null,"url":"/research/platform","source_type":"internal primary record","relevance":"Documents the proposed magnetic drive, axial lighting, four-channel peristaltic dosing and imaging architecture.","verification":"Derived from the original FlavoRotor v2.0 engineering document","verified_on":"2026-07-26","verification_status":"INTERNAL PRIMARY RECORD","verified_against":"Original internal project file and extracted media"},{"id":"R33","authors":"Zhen, Shuyang; Bugbee, Bruce","year":2020,"title":"Far-red photons have equivalent efficiency to traditional photosynthetic photons: Implications for redefining photosynthetically active radiation","publication":"Plant, Cell & Environment, 43, 1259–1272","doi":"10.1111/pce.13730","source_type":"peer-reviewed research","relevance":"Supports measuring far-red as part of the photon environment and evaluating it in combination with shorter wavelengths.","verification":"Publisher metadata checked 2026-07-26","url":"https://doi.org/10.1111/pce.13730","verified_on":"2026-07-26","verification_status":"DOI METADATA CHECKED","verified_against":"Publisher, DOI landing page, PubMed or official repository where available"}]}
