The impact on rack configuration on the speed profile of the storage and retrieval machine

Chang, Ding-Tsair; Wen, Ue‐Pyng

doi:10.1080/07408179708966363

Cited by 15 publications

(15 citation statements)

References 4 publications

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“…However, it is a good alternative configuration for the optimal one as the resulting expected travel time is only about 3% off the optimum. This is in line with the findings by Rosenblatt and Eynan (1989) and Chang and Wen (1997) for 2-dimensional SIT racks with single and dual-command cycles, respectively. They conclude that "The expected travel times are fairly insensitive to slight deviations in the optimal rack configuration".…”

Section: Discussionsupporting

confidence: 79%

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Optimal storage rack design for a 3-dimensional compact AS/RS

Koster¹,

Le-Duc²,

Yu³

2008

International Journal of Production Research

113

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Section: Discussionsupporting

confidence: 79%

“…They consider the system under random storage assignment, single and dual-command cycles. Chang and Wen (1997) extend this travel time model to investigate the impact on the rack configuration. The optimal rack configuration for single-command cycles still appears to be SIT, whereas this may not be the case for dual-command cycles.…”

Section: Introductionmentioning

confidence: 99%

Optimal storage rack design for a 3-dimensional compact AS/RS

Koster¹,

Le-Duc²,

Yu³

2008

International Journal of Production Research

113

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“…unit load Houshyar and Chung (1991) unit load x Taboun and Bhole (1993) unit load x x Randhawa and Shroff (1995) unit load x x x x unit load x Potrč et al (2004) unit load and multi shuttle x x simulation and analytical Rosenblatt et al (1993) unit load x x x x analytical Karasawa et al (1980) unit load x x Zollinger (1982) unit load x x Ashayeri et al (1985) unit load x Azadivar (1987) unit load x Bozer and White (1990) end-of-aisle miniload x Van Oudheusden and Zhu (1992) person-on-board x Bozer and White (1996) end-of-aisle miniload x x Chang and Wen (1997) unit load x Hwang and Ko (1998) unit load x x Park et al (1999) end-of-aisle miniload x Malmborg (2001a) unit load x x Malmborg (2001b) multi shuttle Malmborg (2002 and2003a) autonomous vehicle S/R x x Koh et al (2005) end-of-aisle miniload x Lee et al (2005) unit load x Table 2: Overview of research in design models that can assist in decision making for physical design in combination with control issues.…”

mentioning

confidence: 99%

A survey of literature on automated storage and retrieval systems

Roodbergen

Vis

2009

European Journal of Operational Research

495

208

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Automated Storage and Retrieval Systems (AS/RSs) are warehousing systems that are used for the storage and retrieval of products in both distribution and production environments. This paper provides an overview of literature from the past 30 years. A comprehensive explanation of the current state of the art in AS/RS design is provided for a range of issues such as system configuration, travel time estimation, storage assignment, dwell point location, and request sequencing. The majority of the reviewed models and solution methods are applicable to static scheduling and design problems only. Requirements for AS/RSs are, however, increasingly of a more dynamic nature for which new models will need to be developed to overcome large computation times and finite planning horizons, and to improve system performance. Several other avenues for future research in the design and control of AS/RSs are also specified.

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“…Compact forms of expected travel-times under randomized storage conditions are determined for both SC and DC cycles. An extension of Chang et al (1995) was proposed by Chang and Wen (1997) to investigate the impact on rack configuration on the speed profile of the stacker crane. The results demonstrate that the optimal rack configuration of the SC is square-in-time whereas the DC cycle may not be.…”

Section: Operating Characteristics Of the Stacker Cranementioning

confidence: 99%

Automated Storage and Retrieval Systems: A Review on Travel Time Models and Control Policies

Tang

Vasili

2012

Warehousing in the Global Supply Chain

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Automated storage and retrieval system (AS/RS) is one of the major material handling systems, which is widely used in distribution centers and automated production environments. AS/RSs have been utilized not only as alternatives to traditional warehouses but also as a part of advanced manufacturing systems. AS/RSs can play an essential role in modern factories for work-in-process storage and offer the advantages of improved inventory control and cost-effective utilization of time, space and equipment. Many issues and approaches related to the efficiency improvement of AS/RSs have been addressed in the literature. This chapter presents an overview of this literature from the past 40 years. It presents a comprehensive description of the current state-of-the-art in AS/RSs and discusses future prospects. The focus is principally on travel time estimates and different control policies such as dwell-point of the stacker crane, storage assignment, request sequencing and so on. In particular, this chapter will provide researchers and decision makers with an understanding of how to apply existing approaches effectively. IntroductionThe chapter is presented in four sections. The current section and Sect. 8.2 provide brief background information on facilities planning and design, material handling,

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The impact on rack configuration on the speed profile of the storage and retrieval machine

Cited by 15 publications

References 4 publications

Optimal storage rack design for a 3-dimensional compact AS/RS

Optimal storage rack design for a 3-dimensional compact AS/RS

A survey of literature on automated storage and retrieval systems

Automated Storage and Retrieval Systems: A Review on Travel Time Models and Control Policies

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