scholarly journals The Syntax of a Multi-Level Production Process Modeling Language

Author(s):  
Marko Vještica ◽  
Vladimir Dimitrieski ◽  
Milan Pisarić ◽  
Slavica Kordić ◽  
Sonja Ristić ◽  
...  
2021 ◽  
pp. 101053
Author(s):  
Marko Vještica ◽  
Vladimir Dimitrieski ◽  
Milan Pisarić ◽  
Slavica Kordić ◽  
Sonja Ristić ◽  
...  

2009 ◽  
Vol 16-19 ◽  
pp. 49-54 ◽  
Author(s):  
Xiao Bing Liu ◽  
Hong Liang Wang

Considering Iron & Steel Enterprise production operation situation, a multi-level mathematic model of capacity balancing and corresponding capacity balancing algorithm was proposed. The application of capacity balancing was discoursed on through making production capacity balancing in the branch factory level; production process level and machine level. And buffer pools were established to provide the possibility of capacity adjustment between various levels. With this method the difficulty of capacity calculation is solved, and provide a valid method for rapid establishment of production schedule.


2004 ◽  
Vol 13 (03) ◽  
pp. 289-332 ◽  
Author(s):  
JULIANE DEHNERT ◽  
WIL M. P. VAN DER AALST

This paper presents a methodology to bridge the gap between business process modeling and workflow specification. While the first is concerned with intuitive descriptions that are mainly used for communication, the second is concerned with configuring a process-aware information system, thus requiring a more rigorous language less suitable for communication. Unlike existing approaches the gap is not bridged by providing formal semantics for an informal language. Instead it is assumed that the desired behavior is just a subset of the full behavior obtained using a liberal interpretation of the informal business process modeling language. Using a new correctness criterion (relaxed soundness), it is verified whether a selection of suitable behavior is possible. The methodology consists of five steps and is illustrated using event-driven process chains as a business process modeling language and Petri nets as the workflow specification language.


Author(s):  
D T Pham ◽  
R J Alcock

In a factory which produces veneer boards from birch wood, grading of the boards into different quality categories is usually part of the production process. To improve the efficiency of grading, attempts are being made to automate it using automated visual inspection (AVI). Integral to the process of inspection is segmentation. Segmentation is the part of the AVI process concerned with separating clear wood and defective areas in the image. This paper describes a system that is used to segment the images of birch wood boards. The system consists of four modules which are called global adaptive thresholding, multi-level thresholding, row-by-row adaptive thresholding and vertical profiling. The paper gives details of the four modules and presents the results obtained in segmenting images of a large sample of birch wood boards.


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