(The) impact of the acceleration/deceleration on travel time models for carousel system = 가감속을 고려한 회전형 자동창고 시스템의 수행도 분석

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Carousel systems have become popular on account of their efficiency and relatively low cost. All these previous studies assumed the average uniform velocity, ignoring the operating characteristics of carousel body movement such as the acceleration/deceleration rate and the maximum velocity. Consequently, the optimal design and schedule based on the existing models is far from optimum from the practical point of view. So, this paper develops two kinds of analytical travel time models integrating the operating characteristics of carousel body movement. The first model assumes a finite maximum rotating speed and considers two types of velocity - rotating time relationships The second model deals with one case where the relationship of travel distance and travel time is used to approximate the speed profile. With randomized assignment policy, the expected travel times are determined for both single and dual command cycles. The models developed are examined through discrete evaluation procedures.
Advisors
Hwang, Harkresearcher황학researcher
Description
한국과학기술원 : 산업공학과,
Publisher
한국과학기술원
Issue Date
2001
Identifier
165499/325007 / 000993291
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 산업공학과, 2001.2, [ ii, 49 p. ]

Keywords

Acceleration and Deceleration speed rate; Carousel system; Maximum speed rate; 최대속도; 가감속도; 회전형 자동창고

URI
http://hdl.handle.net/10203/41599
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=165499&flag=dissertation
Appears in Collection
IE-Theses_Master(석사논문)
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