Hitachi, Ltd.

Hiroaki Yamani

Hiromi Inaba

Kiyoshi Nakamura

Atsuya Fujino

Toshimitsu Tobita

Masato Suzuki

Yoshio Sakai

Kenji Yoneda

Kenzi Yoneda

Naofumi Nakata

Naoto Oonuma

The present invention relates to a group control elevator system which has been adjusted to operate in response to a state of utilizing elevator cars. In a group control elevator system which carries out a control of allocating elevator cars to elevator car calls for serving many floors by using an evaluation function having a plurality of variable parameters, targets for elevator control performance are inputted, a traffic flow to which elevator car demand belongs is judged, variable parameters to be adjusted which have been set in advance for each combination of said targets and traffic flows are stored, stored variable parameters are adjusted, adjustment sequence of variable parameters to be adjusted is stored, and a plurality of variable parameters are sequentially adjusted according to the stored sequence. By the above arrangement, only desired parameters to be adjusted are selected and adjusted out of a plurality of variable parameters for desired targets and traffic flows. Accordingly, an increase in time required for adjustment can be restricted even if there has been an increase in the number of variable parameters to be adjusted.

Group control elevator system for automatically adjusting elevator

An apparatus for detecting people waiting for an elevator. A detecting unit detects the number of people waiting on the basis of an image from an image pickup unit and delivers that number to a corresponding second people waiting detecting unit. The apparatus includes a unit which generates a coefficient depending on a percentage of overlap of the field of view of a reference image pickup unit, which is one of several image pickup units, with the field of view of a different image pickup unit on the basis of data on the allocation of an elevator, and calculates the number of waiting people in the overall hall from the respective numbers of waiting people output from the plurality of image pickup units and those coefficients. The coefficient generating unit generates a maximum coefficient for the reference image pickup unit and a smaller coefficient for any remaining image pickup unit based on the of overlap of the field of view of the respective image pickup units. Thus, even if the fields of view of the plurality of image pickup units overlap, an accurate number of people waiting in the elevator hall, and free from an error in detection, is detected.

Apparatus and methods for detecting number of people waiting in an

The invention relates to a group-control elevator system for controlling an operation of elevators a group by control data. The group-control elevator system stores a plurality of improvement measures corresponding to plural inconvenience phenomenon including a long average wait time for the plurality of elevators. The inconvenience phenomenon is detected from actual data of the elevators, and the actual data is obtained by actual elevator operation and one improvement measure is selected from the improvement measures in accordance with the detected inconvenience phenomenon.

Group control of elevator system improvement measures

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Katsuta, Japan

Hiroaki Yamani