公开(公告)号：EP3014223B1

公开(公告)日：2018-04-25

申请号：EP14739237.7

申请日：2014-06-18

申请人： Philips Lighting Holding B.V.

发明人： PATEL, Maulin Dahyabhai ,  VAZE, Vikrant Suhas ,  BAGHERI, Saeed Reza

IPC分类号： G01D9/28 ,  G01D9/38 ,  G01D4/00 ,  G01R21/133

CPC分类号： G01D9/285 ,  G01D4/00 ,  G01D9/38 ,  G01R21/133 ,  Y02B90/245 ,  Y04S20/38 ,  Y04S20/40

摘要： System and methods for data logging are disclosed. The method comprising performing an initialization process, performing a data collection process in which data from a plurality of sensors is collected and time stamped, performing a time correction on the time-stamp data based on patterns of time and occupancy, performing an estimation of a light state based on the corrected time stamped data and determining an energy saving using an automatic light operation based on determined light state estimation.