Design of Elevator-Group Control System to Save Energy Consumption by Dynamically Controlling the Number of Running Cars

Yoshiyuki SAKAMAKI  Toshiaki TANAKA  Hisashi YAMADA  Toshio SUGIHARA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E98-A    No.2    pp.612-617
Publication Date: 2015/02/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E98.A.612
Type of Manuscript: Special Section INVITED PAPER (Special Section on Mathematical Systems Science and its Applications)
elevator,  elevator-group control system,  energy-saving function,  proportional control,  daily energy consumption,  traffic demand,  

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In elevator-group control, the average number of running cars should be finely adjusted by the dynamically controlling the number of running cars (DCNRC). Traffic demand in an office building varies throughout the day. In this paper, we propose a new energy-saving method for elevator-group control that adjusts the number of running cars according to the traffic demand, simulate the proposed energy-saving method under nearly real traffic demand conditions of an office building, and reduce the daily energy consumption to the target level after several days.