A Computer Vision Based Group Supervisory Control System

Albert T P So, W L Chan, H S Kuok and S K Liu

Friday 1st May 1992

It is generally believed that the efficiency and handling capacity of a lift system heavily relies on its group supervisory control system. At present, the microprocessor based supervisory control system coordinates a group of lifts by means of logical rules which have information input from landing call and car call registrations. Such information cannot give a total picture regarding the real-time status and demand. This paper highlights the idea of introducing computer vision to the conventional group supervisory control system. The real time distribution of passengers within the building is determined so that a set of intelligent car allocation algorithms can be formulated. A computer simulation is conducted to show the distinctive improvement by the new scheme.

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