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Design of fuzzy based controller for modern elevator group with floor priority constraints

Rashid, Muhammad Mahbubur and Kasemi, Banna and Faruq, Alias and Alam, A. H. M. Zahirul (2011) Design of fuzzy based controller for modern elevator group with floor priority constraints. In: 4th International Conference on Mechatronics (ICOM'11), 17-19 May 2011, Kuala Lumpur.

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The elevator technologies are developed to serve the requested passenger’s floors with high consideration of passengers’ satisfaction and elevator optimal performance. Responding to the issue, this paper focuses on development of an elevator group controller based on fuzzy algorithm. By introducing a fuzzy controller in an elevator system, this project is developed to manage the required passenger traffic density keeping passenger waiting times within reasonable limits. To increase the performance of the elevator group three major linguistic variables are introduced within a set of fuzzy rules. These include the average waiting time (AWT), power consumption (PC), and floor traffic (FT). When the passenger traffic is high, the low fuzzy control values reduce the importance of priority of floors rather the estimated arrival time is to be minimized. The simulation was accomplished to check the priority of fuzzy system graphically while the actual prototype of elevator system is programmed by PIC device as a controller. As a result a set of fuzzy rules was drawn based on practical considerations; mainly minimization of waiting time and energy consumption. When a few hall requests are registered, the elevator controller will decide which one of the elevators will serve which of the incoming hall requests. In order to manifest the work with actual elevator service, a computer simulation of a four-cars-elevator controller in a twenty storied building is accomplished by using MATLABTM fuzzy logic toolbox and implements the prototype experimental model.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: 5486/3825
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212 Control engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Dr Muhammad Rashid
Date Deposited: 21 Nov 2011 14:54
Last Modified: 13 Jan 2021 11:38
URI: http://irep.iium.edu.my/id/eprint/3825

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