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Traffic Analysis
Optimization of Elevator Dispatching by Using Genetic Algorithm in Python

Optimization of Elevator Dispatching by Using Genetic Algorithm in Python

By Mohammadreza Eskafi | March 1, 2021

Your author says programming language can reduce waiting and service times for passengers.

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Fault Detection Using Learned Traffic Patterns

By Isaac Skog | November 1, 2020

Plug-and-play fault monitoring systems can make for fast detection of lift faults. To adapt vertical-transportation systems to future demands, the lift industry has identified a need to move from today’s preventive and corrective maintenance strategies to predictive-maintenance strategies.[1] Therefore, the latest generation of high-end lift systems are often connected to the cloud, where control-system data…

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Elevators and Social Distancing

By Elevating Studio Pte. Ltd. | July 1, 2020

Measures to control traffic flow during the pandemic submitted by Elevating Studio Pte. Ltd. This guideline explains the technical aspects of and considerations for using elevators during the COVID-19 pandemic. We provide options that allow social distancing in elevators and examine the impacts these measures have on building usage, traffic and average wait time (AWT).…

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Your Lift Journey — How Long Will You Wait?

By Caroline Bird, Dr. Richard Peters, Elizabeth Evans and Stefan Gerstenmeyer | May 1, 2017

A study on passenger waiting time preferences yields interesting results. by Caroline Bird, Dr. Richard Peters, Elizabeth Evans and Stefan Gerstenmeyer When passengers start their lift journey, they initially wait for their call to be answered. While traveling to their destination, their trip is often interrupted by intermediate stops, which are the result of other…

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The Magic Number

By Elevator World | January 1, 2016

This Readers Platform addresses how to determine the volume and type of elevators needed for your building. Picture this: you’ve designed and built a residential building, where tenants come and go at varying hours and can comfortably reach their destination floor with only four elevators total in the building. But, just before you begin to…

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A Systematic Methodology for the Generation - Figure-8

A Systematic Methodology for the Generation of Lift Passengers under a Poisson Batch Arrival Process

By Dr. Richard Peters, Dr. Lutfi Al-Sharif, Ahmad T. Hammoudeh, Eslam Alniemi and Ahmad Salman | January 1, 2016

by Dr. Richard Peters, Dr. Lutfi Al-Sharif, Ahmad T. Hammoudeh, Eslam Alniemi and Ahmad Salman This paper was first presented at the Fifth Symposium on Lift & Escalator Technologies, www.liftsymposium.org. It is generally accepted that passenger arrivals for lift service follow a Poisson arrival process. Moreover, recent research has also shown that the arrivals take…

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Lifts Without Ropes: How Many Shafts and Cars Are Needed?

By Stefan Gerstenmeyer and Dr. Richard Peters | January 1, 2016

Your authors establish traffic-design principles and describe dispatching and modeling strategies related to future systems. by Stefan Gerstenmeyer and Dr. Richard Peters This article was first presented at the Fifth Symposium on Lift & Escalator Technologies, www.liftsymposium.org. A new generation of lifts currently under development applies magnetic linear propulsion and does not need ropes. Shafts…

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Elevator Traffic Analysis: Analytical Versus Simulated

By Dr. Albert So and Dr. Lutfi Al-Sharif | January 1, 2015

The two main classifications of traffic analysis are compared and contrasted, with the work of many experts in the field cited. by Dr. Albert So and Dr. Lutfi Al-Sharif Traffic analysis is one of the three key areas associated with the study of elevator systems, along with drives and safety components. Elevator traffic analysis is…

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Difficulties-in-Comparing-the-Results-of-Lift-Traffic-Simulations

Difficulties in Comparing the Results of Lift-Traffic-Simulations

By Hans M. Jappsen and Olaf Rieke | January 1, 2014

Difficulties in Comparing the Results of Lift-Traffic-Simulations by Hans M. Jappsen and Olaf Rieke This paper was presented at  USA 2012, the ­International Congress on Vertical Transportation ­Technologies and first published in IAEE book Elevator Technology 19, edited by A. Lustig. It is a reprint with ­permission from the International Association of ­Elevator Engineers  (website:…

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Deriving Elevator RTT under Incoming Traffic Conditions and a Single Entrance

By Lutfi Al-Sharif, Hasan Algzawi and Ahmad Hammoudeh | January 1, 2014

by Lutfi Al-Sharif, Hasan Algzawi and Ahmad Hammoudeh RTT is the basis for designing elevator systems. There are several different methods (both analytical and numerical) for calculating it. As a building’s traffic conditions become more complicated, analytical methods become intractable. Numerical methods offer an attractive alternative for calculating RTT, which is the time taken by…

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