For sufficient carrying capacity and passenger comfort and convenience, it is very important to design suitable elevator systems (e.g., the appropriate number of cages, velocity, capacity, etc.) using models that describe real elevator movements. The procedure used in conventional design calculations for office buildings is to determine the carrying capacity for peak traffic situations using simple passenger arrival models. The paper presents new revised design calculations using the balanced traffic model, which can deal with elevator movements considering the passenger arrival rate. As some performance indices to evaluate the quality of service can be calculated using this model, elevator system designers can now determine appropriate elevator facilities satisfying goals. The validity of the proposed model is also shown by comparison with measured data for real elevator systems.
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