CNC Machining and CNC Machine Tools, Manufacturing Processes and Procedures

Complex Information Analysis in MES

Information is an abstract content that needs to be transmitted, exchanged, stored, and extracted in human society and nature. It is also an eternal topic in modern manufacturing systems. All actions and changes in the system are accompanied by the exchange and transmission of information. Evan, and Waterer, in the Harvard Business Review, pointed out very succinctly the important role of information for businesses, namely, “information is the glue that connects the entire enterprise structure”. In modern times with advanced information technology, manufacturing systems increasingly rely on information, not only because of the need for interaction in the system but also because information technology has become an indispensable part of manufacturing technology. Manufacturing information is a carrier of knowledge about markets, products, manufacturing technologies and skills, production management, etc., which runs through the entire manufacturing system. The manufacturing process can be seen as a process of information generation, collection, transmission, storage, processing, processing, and utilization. In this process, the information content of products is continuously enriched, and information on production planning and management is continuously concretized. In this sense, information technology is not only a driving force; it also influences the manufacturing system by changing the way of work, increasing the capacity of manufacturing resources, and proposing new technologies and management requirements. Therefore, information has become a dominant factor in the manufacturing system, and it is also the most active driving factor. metal CNC machine

As a materialization center of a manufacturing company, the workshop is not only the specific executor of the manufacturing plan, but also the feedback of the manufacturing information. It is also a distribution center for a large number of real-time manufacturing information. Therefore, the information resource management and information integration in the workshop floor is in the enterprise production system. An important part. Moreover, the MES (Manufacturing Execution System) is a new generation of workshop information system that can coordinate the needs of customers, products, and processes, and its agility largely determines the agility of the entire company. Moreover, the role of modern society’s information and knowledge has become more and more significant, and the ever-increasing complexity of information flow has become a corporate characteristic. Managing complex systems requires more understanding and mastery of the role of relevant information in the operation of the system. Effective management of information (eg, incomplete, inaccurate, complex information modeling, visualization, communication, etc.) is the most important of intelligent management systems. on the one hand. However, the entire manufacturing system (especially the workshop) has a large amount of information, difficulties in classification and classification of information, complex analysis of information structure and flow direction, unclear information interaction effects, difficulty in handling morbidity and incomplete information, and difficulty in obtaining key information that affects integration. And other issues. Therefore, there is still a long way to go in studying the movement law of manufacturing information and corresponding processing methods in MES and even manufacturing systems. The complex information analysis in MES is the first problem that we need to face. metal CNC machine

1. Mechanism of complex information generation

1.1 Complexity of manufacturing systems and manufacturing activities
The manufacturing system is a complex dynamic system, with the commonness of large systems such as large scale, complex structure, integrated functions, and numerous factors. With the continuous development of manufacturing and other related technologies, the products that enterprises can produce show a trend of innovation and diversification. For this reason, the redundancy and automation of the manufacturing process are correspondingly improved. The manufacturing system is also more complex than ever due to factors such as product manufacturing, system structure and equipment operation, information processing, manufacturing resources, and customer demand. Not only that, the complexity that affects the competitiveness of enterprises is also reflected in the complexity of functions, the complexity of objects, the randomness, the diversity of objectives/constraints, and the openness. metal CNC machine
Information and systems are closely linked. The complexity of the system explains the complexity of information to a large extent. The emergence of various forms of uncertainty and complex information becomes a feature of complex manufacturing systems. In general, people use the information that reflects the degree of uncertainty of the system to measure the complexity of the manufacturing system and also explain the general connection between information and systems. For example, Deshmukh et al. and Frizelle analyzed the static and dynamic complexity of the manufacturing system from the perspective of manufacturing information. Rodriguez-Toro considered the complexity of the manufacturing design system from the information point of view, the number of EI Maraghy, the type of information, and the amount of information. Three aspects of the information content used to construct product features describe product and process complexity.
From the point of view of manufacturing activities, the processing, assembly, and logistics of modern manufacturing workshops are more complex than the previous manufacturing workshops. Information is the abstract transformation of matter, and material movements and transportation related to manufacturing activities will reflect and behave as information. Therefore, the complexity of manufacturing information is determined by the complexity of manufacturing activities and is mainly manifested in the expression of diversity, multidimensionality, and unity of opposites. metal CNC machine

1.2 Changes and uncertainties
Change and uncertainty are important research contents that companies need to pay attention to. Thompson believes that an important task for any organization is to manage uncertainty. Drlleker conceptually describes a company’s mission as finding change, responding to change, and using change as an opportunity. Today, changes are more rapid than ever before, and the handling of disturbances and uncertainties is directly related to the operational status of the company. Modern companies need to adapt to and control future markets and competitive environments on the premise of unpredictable and continuous changes, and take initiative and win the competition from changes in adjustments. To this end, the elements in the manufacturing plant and the connections between them need to be changed accordingly based on external dynamic changes and uncertainties caused by changes, such as the use of variable manufacturing resources, processes, and processes at different times. Logical relationships, logistics routes, service rules, etc., and make the shop reusable, reconfigurable, and extensible features. Moreover, the restructuring and self-adjustment caused by the changes require the addition of more hardware and software facilities, as well as the complexity of the system. From the perspective of ontology, information is the state of internal structure and external relations of things and the way they change. Therefore, this kind of time-varying characteristic change and uncertainty of the manufacturing workshop make the information of the workshop extremely complicated. metal CNC machine

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