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The Impact of Elevator ControlStrategies: REDUCTION OF THE NUMBER OF REQUIREDELEVATORS
KTH, School of Computer Science and Communication (CSC).
KTH, School of Computer Science and Communication (CSC).
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Elevator control strategies is a well studied field, where a lot of efforthas been put in to developing efficient strategy that minimize the wait-ing and travel time. The purpose of this paper is to examine how twodifferent versions of Collective Operation perform. The objective is todetermine if it is possible to reduce the number of elevators requiredwhile still maintaining the requirement that the average waiting timedo not exceed 30 seconds.To carry out the study, a program that simulates an office build-ing with eight floors has been developed. The program simulates theperformance of the two strategies with one to eight elevators. A Pois-son distribution of the incoming, interfloor, and outgoing traffic hasbeen created based on data supplied by Peters Research. An improvedelevator control strategy was found to be able to maintain the per-formance of the system, even though the number of elevators in theelevator group were reduced.

Keywords: Elevator, Elevator Control, Elevator Control Strategy, El-evator Group, Simulation, Office Building, Poisson Distribution

Abstract [sv]

Hisskontrollstrategier är ett väl utforskat område, där mycket resurser spenderats på att utveckla effektiva strategier som minimerar väntetiden och restiden. Syftet med denna rapport är att undersöka hur två olika versioner av Collective Operation presterar. Målet med denna rapport är att avgöra om det är möjligt att minska antalet hissar som behövs med kravet att den genomsnittliga väntetiden inte överstiger 30 sekunder.För att kunna genomföra studien har ett program som simulerar en kontorsbyggnad med åtta våningar utvecklats. Programmet simulerar och beräknar prestandan för de två strategierna med en till åtta hissar. En Poissonfördelning av inkommande, inom kontoret och utgående trafik har skapats baserat på data som erhållits från Peters Research. En förbättrad hisskontrollstrategi visade sig kunna bibehålla systemets prestanda samtidigt som antalet hissar i hissgruppen minskats.

Sökord: Hiss, Hisskontroll, Hisskontrollstrategi, Hissgrupp, Simulation, Kontorsbyggnad, Poissonfördelning

Place, publisher, year, edition, pages
2015.
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-166456OAI: oai:DiVA.org:kth-166456DiVA: diva2:811136
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Available from: 2015-05-28 Created: 2015-05-11 Last updated: 2015-05-28Bibliographically approved

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