公开(公告)号：US20190254144A1

公开(公告)日：2019-08-15

申请号：US16315752

申请日：2017-06-09

Applicant: PHILIPS LIGHTING HOLDING B.V.

Inventor： ASHISH VIJAY PANDHARIPANDE ,  DAVID RICARDO CAICEDO FERNÁNDEZ ,  MAURICE AMPT

IPC: H05B37/02

Abstract: A verification device to detect malfunction in a connected lighting system, the connected lighting system comprising multiple luminaires and multiple occupancy sensors, the verification device comprising: an input interface (301) arranged to connect to a database and obtain the sensor data obtained from the multiple occupancy sensors, an aggregation unit (310) arranged to compute occupancy values which are indicative of occupancy over a specified time period at different hierarchical levels by applying a statistical measure, and a processing unit (320) arranged to compare an occupancy value at a lower hierarchical level with an occupancy value at a higher hierarchical level, finding deviations that indicate a malfunction in the connected lighting system and producing a signal to communicate the malfunction.