Patent ID: 7392884

Claim:
A group supervisory control apparatus for an elevator system in which an upper car and a lower car capable of moving freely with respect to each other in one and the same shaft are operating, said apparatus comprising: a hall destination floor registration device arranged corresponding to each of halls on service floors of said upper car and said lower car; a zone setting section that sets individual priority zones for said upper car and said lower car, respectively, and a common zone for said upper car and said lower car; an entry determination section that determines whether said upper car and said lower car can come into said common zone; a safe waiting section that makes said upper car and said lower car wait safely in accordance with the result of the determination of said entry determination section; a shunting section that makes said upper car or said lower car shunt to a shunting floor as required at the instant when said upper car or said lower car finished its service; a confinement time prediction section that predicts a passenger confinement time generated due to safe waiting when said upper car or said lower car is assigned to a destination call generated in one of said halls; an evaluation value calculation section that calculates various evaluation values including said waiting time or said confinement time upon assignment of said upper car or said lower car; and an assignment section that determines a final assigned car for said destination call based on the calculation result of said evaluation value calculation section; wherein said hall destination floor registration device has a function of registering destination floors and a function of providing a predictive indication of a response car for each registered destination floor to passengers.