Method and system for scheduling cars in elevator systems considering existing and future passengers
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United States of America Patent
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Mar 21, 2006
Grant Date -
Dec 30, 2004
app pub date -
Jun 24, 2003
filing date -
Jun 24, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method schedules cars of an elevator system in a building. The method begins execution whenever a newly arrived passenger presses an up or down button to generate a call for service. For each car, determine a first waiting time for all existing passengers if the car is assigned to service the call, based on future states of the elevator system. For each car, determine a second waiting time of future passengers if the car is assigned to service the call, based on a landing pattern of the cars. For each car, combine the first and second waiting times to produce an adjusted waiting time, The method ends by assigning a particular car having a lowest adjusted waiting time to service the call and minimize an average waiting time of all passengers.
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