Patent ID: 7568556
Filing Date: 2009-08-04
Classification: B66B

Abstract:
1. An elevator group management control device for efficiently operating a plurality of elevators, comprising: estimation calculating means for predicting an arrival time by which each car of the elevators can arrive from a present position to a floor where a hall call is generated; travel distance estimating means for estimating a travel distance for each car over which the car travels from the present positions respectively to stop in response to every car call that is to be handled by the car; evaluation calculating means for calculating a waiting time with respect to the hall call based upon the arrival time predicted by the estimation calculating means, for performing a waiting time evaluating calculation by employing a first evaluation function while the waiting time is employed as an evaluation index, and also for performing a travel distance evaluating calculation by employing a second evaluation function while the travel distance estimated by the travel distance estimating means is employed as an evaluation index; and assigning means for performing a calculation of an integral evaluation function which contains at least the waiting time evaluation and the travel distance evaluation as to each of the cars, and for assigning a car whose integral evaluation function value is minimum with respect to the hall call.