nested partition
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2020 ◽  
Vol 37 (02) ◽  
pp. 2050007
Author(s):  
Xiao-Ming Yang ◽  
Xin-Jia Jiang

The yard crane (YC) scheduling problem is studied for a new terminal design, known as the Ground Trolley-based Automated Container Terminal (GT-ACT). At the operational level, the YC scheduling problem considering GT could be formalized as job sequencing. The cooperative operation of the twin YCs, GT and the transport vehicles is complicated, a small change in the operation sequence may cause a chain reaction, which could overthrow the partial sequence preferred previously. A hybrid algorithm based on the nested partition (NP) framework is proposed. The ant colony (AC) algorithm is combined in the method for solution construction, while genetic algorithm (GA) is used for the perturbation and backtrack purposes. Experiments show the hybrid method is effective for practical problems under different scales. The AC and GA algorithms play an important role in improving the optimization.


2015 ◽  
Author(s):  
Jaekyung Yang ◽  
Jumi Kim ◽  
Wooyeon Yu
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2013 ◽  
Vol 459 ◽  
pp. 488-493
Author(s):  
Hong Fei Sun ◽  
Xiao Dang Liu ◽  
Wei Hou

In the fierce market competition environment, to maximize the production efficiency, manufacturing enterprises mostly adopt the many varieties of small batch and discrete mode of production. The production process has the very strong flexibility. But the production process are lack of scheduling management or parallel machine production unit mostly adopts the scheduling method of static quota system, so the flexible resource in enterprise production system parallel machine scheduling began to reveal inadequate and it has reduce the production efficiency of the enterprise. This paper provide the Nested Partition Method for the problem, establishing the mathematic models for dynamic scheduling, and developing the corresponding algorithm, in order to improve the utilization rate of equipment and flexible resource.


2010 ◽  
Vol 43 (7) ◽  
pp. 2439-2455 ◽  
Author(s):  
Jyrko Correa-Morris ◽  
Dustin L. Espinosa-Isidrón ◽  
Denis R. Álvarez-Nadiozhin

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