Ya.A. Divakova

MIREA – Russian Technological University, Institute of Information Technologies (Moscow, Russia)

Enterprises in the engineering and technical sphere inevitably compete with each other. This leads to the need to improve the production process, as well as methods of managing it. The main task in engineering data management is the development of design documentation (CD) for a three-dimensional model of a product. For large engineering enterprises, a convenient solution is the implementation of systems for centralized management of engineering data (Product Data Management, PDM) and systems of advanced functionality of product lifecycle management (Product Lifecycle Management, PLM). The production process can be improved by developing algorithms for the approval of design documentation and their automation based on the corporate information system, as well as ensuring the integrity of files when submitting documents to the archive.

After going through all the stages of approving the documentation, the engineer is faced with the task of submitting a set of documents to the electronic archive of the PLM system. Possible partial or complete loss of data, violation of the integrity of files can create a serious obstacle to the delivery of the project.

Purpose: to identify the features of engineering and technical activities that set the requirements for information systems; identify the requirements for the structure of the PLM system and highlight its mandatory components, substantiate recommendations for the selection and implementation of the system. Comparison of domestic and foreign PLM systems.

Results: analyzed the structure of PLM systems; the names of mandatory modules and components of information systems for managing the life cycle of products and the rationale for them are given; reflects the criteria for choosing a PLM system and recommendations for implementation; revealed the advantages and disadvantages of domestic and foreign PLM systems; an algorithm for calculating the checksum of a file has been developed to check the integrity of data when it is sent to the archive. From a mathematical point of view, such an algorithm is called a hash function.

Practical relevance: the stated results of the analysis of PLM systems are a visual guide for the selection and implementation of a system for any enterprise in the engineering and technical sphere. The developed hashing algorithm will prevent corruption of files by making a conclusion about the integrity or loss of data by the generated hash code in the form of a 256-bit and 512-bit hash sum. Also, the developed algorithm can be used to authenticate users of the PLM system and implement the electronic digital signature procedure.

Divakova Ya.A. Modernization of the production process and development of the data hashing algorithm. Science Intensive Technologies. 2021. V. 22. № 7. P. 29−37. DOI: https://doi.org/10.18127/j19998465-202107-04 (in Russian)

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