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The evaluation of the efficiency of this building ’ s elevators. Ryu Sook Jea Kim Sung Min Lee Yoo Chol Ma Ya owen. Simulation model. Minimum Queue number Minimum Cycle time for entity. Objective. The efficiency of two elevator in this building

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the evaluation of the efficiency of this building s elevators

The evaluation of the efficiency of this building’s elevators

Ryu Sook Jea

Kim Sung Min

Lee Yoo Chol

Ma Yaowen

simulation model
Simulation model
  • Minimum Queue number
  • Minimum Cycle time for entity
objective
Objective
  • The efficiency of two elevator in this building
    • To evaluate the efficiency according to the alternative policies
    • To decide the best policy that minimizes the number of queue in each floor
    • To decide the best policy that minimizes the cycle time of each entity(person)
  • Assumption
    • No one goes up and down the stairs
    • Two elevators have same speed
    • Two elevators are run in uniform velocity
    • simulator ignore the time door opening and closing time
    • Simulator can run only during the rush time(2hours in the morning and 2 hours in the evening
policies
Policies
  • Availability for each floor
comparison between simulation and true model
Comparison between simulation and true model
  • Cycle time
  • Queue number of waiting
  • Waiting time for one queue (or one person)
  • Break time or not
  • Utilization