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Project Schedule Management (PSM)


since 2015


Efficient processes for coordinating scheduling make an important contribution to digital transformation in collaborative PLM processes. The more complex products and collaboration networks are, the more important efficient methods for synchronization (PSMS) across departmental and company boundaries become. The group is therefore developing recommendations based on the STEP AP242 Business Object Model. The standardized communication modules support both conventional and agile methods, are IT-independent and can, for example, be implemented via the asynchronous exchange of schedules or in shared applications via portal services or cloud solutions. They ensure the stability and efficiency of processes across all disciplines and between the different ecosystems maintained by the partners (OEMs, suppliers).

Milestones 2021

Two of the seven synchronization levels have been specified and adopted in PSI-25 “PSMS Recommendations“ V1.0 based on the requirements of the companies involved, the PM reference process in DIN69901-4, the Collaboration Project Management recommendations (PSI1-1 and PSI1-2) and the recommendations from the Project Management Institute©. The PSM schema contains modules for synchronizing project master data, work packages (summary operations), milestones and their dependencies in the planned (target) state and current (implemented) state. A comprehensive set of rules safeguards the cross-partner communication processes and the consistency of information throughout the network. Both initial scheduling and incremental scenarios (delta transfers) are supported over the entire duration of the project.

Outlook 2022

Focus in 2022 will be placed on the implementation projects for the PSMS recommendations at and by the participating companies, which will be coordinated in the PSMS Implementor Forum (IF). The PSMS IF provides a neutral platform for testing and the exchange of information and experience and is supported by the PSMS Workflow Forum (WF). It is intended that feedback from the pilots be incorporated into PSI-25 as improvements and be published together with the English version. Planning also includes the functional phases of expansion with level 2.1 to 2.3 for synchronizing entire process structures and the links to the objects and deliverables affected. This means that PSM synchronization expands product data management to include the process-related artifacts needed for schedule management. The cross-enterprise planning process will be demonstrated at the prostep ivip Symposium using examples.


Stephan Botta, BMW AG


Andreas Trautheim-Hofmann
E-Mail: andreas.trautheim(at)
Tel.: +49 6151 9287-370
Fax: +49 6151 9287-326

Project Partner

Lisa Dräxlmeier GmbH
Planisware Deutschland GmbH
VOLKSWAGEN AG (Marken Audi, VW, Porsche)
ZF Friedrichshafen


We are eager to help you with any questions concerning your project or selection of publications

+49 6151 9287-336


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