Comparison of Three Automated Stacking Alternatives by Means of Simulation

Saanen,; Valkengoed,

doi:10.1109/wsc.2005.1574425

Cited by 25 publications

(9 citation statements)

References 2 publications

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“…On the other hand, some studies have considered settings with more than one crane sharing a stack, a similar setting as this paper (see for example, Dorndorf & Schneider, 2010;Gharehgozli, et al, 2015;Li, et al, 2012;Li, et al, 2009;Park, et al, 2010;Stahlbock & Voß, 2010;Ng, 2005;Saanen & Valkengoed, 2005;Choe, et al, 2007;Dell, et al, 2009). In most papers, the problem is formulated as a mixed integer model and minimizing makespan is the main objective (see for example, Gharehgozli et al, 2015;Vis and Carlo, 2010;Briskorn & Angeloudis, 2016;.…”

Section: Literature Reviewmentioning

confidence: 99%

“…At the landside, straddle carriers or terminal trucks transport containers either between the ASCs and trucks or trains. From the practical point of view, it is beneficial to implement a system of twin ASCs in many instances (e.g., Ng, 2005, Saanen & Valkengoed, 2005, Vis & Carlo, 2010, and Gharehgozli et al, 2015. One advantage is that the landside and seaside operations can be decoupled.…”

Section: Managerial Insightsmentioning

confidence: 99%

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A simulation study of the performance of twin automated stacking cranes at a seaport container terminal

Gharehgozli

Vernooij

Zaerpour

2017

European Journal of Operational Research

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This paper studies the effect of a handshake area on the performance of twin automated stacking cranes (ASCs) operating on top of a stack with transfer zones at both seaside and landside. The handshake area is a temporary storage location so that one crane can start a request and leave the container there for the other crane to complete the request. By testing settings with and without such a handshake area, the goal is to find robust rules which result in the best performance, measured as (1) the makespan to finish all requests and (2) the total waiting time of the cranes due to interference or nonconsecutive delivery of containers in the handshake area (blocking time). The effect of five decision variables on the performance are tested. The decision variables are (1) the way the requests are handled by the cranes (scheduling), ( 2) the storage location of the containers in the handshake area, (3) the location of the handshake area in the stack, (4) the size of the handshake area and (5) the number of handshake areas in the stack. For each decision variable, multiple heuristics are developed. The results indicate that settings without a handshake area outperform settings with a handshake area for virtually all instances tested when using the same scheduling heuristic. For both types of settings, the choice for a scheduling heuristic impacts the final performance the most. In this study, we opt for simple heuristics since container terminal operators prefer to avoid any complexity in coordinating and scheduling two ASCs for safety and simplicity reasons.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Managerial Insightsmentioning

confidence: 99%

A simulation study of the performance of twin automated stacking cranes at a seaport container terminal

Gharehgozli

Vernooij

Zaerpour

2017

European Journal of Operational Research

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“…Saanen and Valkengoed [26] compared three stacking alternatives: (i) single RMG (rail mounted gantry crane), (ii) cross-over RMG, and (iii) twin RMG with cross-over RMGs (with the latter showing the highest productivity). Guo et al [27] addressed the problem of container yard block dynamic partitioning into non-overlapping zones to minimize total vehicle waiting time.…”

Section: Storage Yard Operationsmentioning

confidence: 99%

Evaluation of the floaterm concept at marine container terminals via simulation

Dulebenets

Golias

Mishra

et al. 2015

Simulation Modelling Practice and Theory

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“…In the past decade, due to increased available computing power, simulation has been widely used in container terminal related studies, paying particular attention to terminal equipment. Saanen and Valkengoed 15 compared the efficiency, in terms of productivity, flexibility, area utilization and cost, of three different automated container storage concepts. Vis 16 presented a simulation study to compare the straddle carrier with the automated stacking crane in terms of the expected total time to retrieve a set of storage and retrieval requests.…”

Section: Literature Reviewmentioning

confidence: 99%

An introduction and performance evaluation of the GRID system for transshipment terminals

et al. 2015

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While the global container trade, especially transshipment, keeps growing rapidly, land scarcity and sustainability pose severe challenges to port operators. To maintain their competitiveness, they have to maximize land utilization and improve productivity. As applications of the GRID (Goods Retrieval and Inventory Distribution) system prototype proposed by BEC Industries LLC, this paper discusses two new designs-the single GRID system and hybrid GRID system-from different angles. In particular, the configuration and mechanism of the single GRID system are introduced with different layouts. Given the GRID structure, one of the most critical aspects of the proposed architecture is the high incidence of conflicts among transfer units (TUs). Hence, the authors identify different conflict scenarios and subsequently provide the TU control logic to avoid conflicts. A simulation study then investigates the performance of the single GRID system and its robustness with respect to horizontal and vertical expansion. Due to the limitations of the single GRID system, the hybrid GRID system is then proposed and simulated for terminals demanding huge capacity and productivity. A new flexible and scalable simulation model is designed for the new system. Both the results on land utilization and productivity show that the hybrid GRID system is promising for future transshipment terminals.

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Comparison of Three Automated Stacking Alternatives by Means of Simulation

Cited by 25 publications

References 2 publications

A simulation study of the performance of twin automated stacking cranes at a seaport container terminal

A simulation study of the performance of twin automated stacking cranes at a seaport container terminal

Evaluation of the floaterm concept at marine container terminals via simulation

An introduction and performance evaluation of the GRID system for transshipment terminals

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