SFT — Segmented Flow Topology

Sinriech, David; Tanchoco, J. M. A.

doi:10.1007/978-1-4615-2498-4_8

Cited by 11 publications

(5 citation statements)

References 19 publications

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“…No similar data set could be found in the literature so far. The presented data set consists of 72 material flow and layout compositions from scientific literature (42) and German industry (30). By defining and applying methods for data acquisition and treatment, all compositions were brought into a standardized, machine readable format.…”

Section: Discussionmentioning

confidence: 99%

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Classified AGV Material Flow and Layout Data Set for Multidisciplinary Investigation

Sperling,

Schulz,

Enke

et al. 2023

IEEE Access

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Automated Guided Vehicles (AGV) are increasingly used in industry to automate material flow tasks. To efficiently operate systems of AGVs, researchers have proposed many different planning and control methods, e.g., for scheduling, dispatching, and routing. The performance of these methods depends on the characteristics of the system, such as transport distances and station operation frequencies. Even though these characteristics strongly influence the algorithms, no classified collection of layout data was found based on a scientific literature review. In this paper, a data set of 72 material flow and layout compositions from the scientific literature (42) and German industry (30) is presented. Each composition in the data set consists of a transport matrix and a distance matrix. To classify the compositions, a holistic taxonomy was established based on distinguishing criteria for material flow and layout compositions known from the scientific literature. The compositions were classified according to the taxonomy. An analysis of the station operation frequency and transport distance distribution data reveals typical characteristics of the compositions as well as variations between the classified compositions. The aim of this data set is to allow benchmarking of planning and control methods, thus increasing the transparency and traceability of scientific work. Furthermore, the analysis of the layouts and their taxonomy allows to compare the methods of different disciplines. By providing standardized, machine readable formats, automatic testing and optimization will be possible.

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Section: Discussionmentioning

confidence: 99%

“…Such a layout contains at least two multiloops connected by at least one transfer station (cf. [3], [4], [30]). The basic idea of split topologies is that they can achieve higher robustness, higher throughput, and higher flexibility in terms of extensibility (cf.…”

Section: ) Layout Topologymentioning

confidence: 99%

Classified AGV Material Flow and Layout Data Set for Multidisciplinary Investigation

Sperling,

Schulz,

Enke

et al. 2023

IEEE Access

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“…Lin and Dgen (1994) provided an algorithm for routing control of a tandem AGV system. Sinriech and Tanchoco (1994) proposed Segmented Flow Topology (SFT). Routing algorithms for specific path topologies are simple, but the system throughput is low.…”

Section: Routing Algorithms For Specific Path Topologiesmentioning

confidence: 99%

Route planning for automated guided vehicles in a manufacturing facility

Sarker¹,

Gurav²

2005

International Journal of Production Research

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Automated guided vehicles (AGVs) are widely used in manufacturing and transporting facilities for the movement of material from one location to another. Research in this area is directed toward the development of a path layout design and routing algorithms for movements of materials. The problem is to design a path layout and a routing algorithm that will route the AGVs along the bi-directional path so that the distance travelled will be minimized. This paper presents a bi-directional path flow layout and a routing algorithm that guarantee conflict-free, shortest-time routes for AGVs. Based on the path layout, a routing algorithm and sufficient, but necessary, conditions, mathematical relationships are developed among certain key parameters of vehicle and path. A high degree of concurrency is achieved in vehicle movement. Routing efficiency is analysed in terms of the distance travelled and the time required for AGVs to complete all pickup and drop-off jobs. Numerical results are presented to compare the performance of the proposed model. The research provides the foundation for a bi-directional path layout design and routing algorithms that will aid the designer to develop complicated path layouts.

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“…The guide path layout has direct impact on the e ciency of vehicle dispatching and scheduling. The AGVS guide path con® gurations discussed in previous research include conventional (Gaskins and Tanchoco 1987, Kaspi and Tanchoco 1990, Venkataraman and Wilson 1991, tandem (Bozer andSrinivasan 1991, Lin et al 1994), single-loop Sinriech 1992, Sinriech andTanchoco 1993), bidirectional shortest path Tanchoco 1991, Chhajed et al 1992) and the segmented¯ow topology (SFT) (Sinriech and Tanchoco 1994). Related work in facility layout design includes Langevin et al (1994) and Banerjee and Zhou (1994).…”

Section: Introductionmentioning

confidence: 96%