The PPR Hub shows how these three aspects are related and what their dependencies are. In a similar vein, Delmia’s PPR Hub for Manufacturing is addressing product, process, and resource (PPR). (Burlington, MA) now, eMServer can run on an Oracle database. Up to now, these objects were contained in an ObjectStore database from Object Design Inc. eBOPs are stored on the eMServer, where they can be accessed, used, and modified throughout the extended enterprise.
Basically, eBOPs are objects-small software “packages”-that contain all the information related to a particular product. eBOPs describe all of the parts, resources, operations-and the relationships between those elements-to produce a product. In operation, eMPower applications are used to create an “electronic bill of process” (eBOP), the manufacturing equivalent of a bill of materials (BOM). Tecnomatix’s eMPower applications create a collaborative factory-oriented planning and design environment based on simulation and analysis. Two companies pushing integrated simulation are Tecnomatix (Nashua, NH) and Delmia. This is why simulation software over the years has acquired a diverse set of features, such as virtual reality (VR), object-oriented (OO) methods, database links, and the ability to emulate plant-floor control systems and data acquisition equipment, as well as actually run and gather inputs from them.
The trend nowadays, continues Nordgren, is to make simulation an integral and very much a visual and animated part of a company’s operational database for daily scheduling, production analysis, and troubleshooting. Later, if a problem arises, often so many changes have been made to the actual production line since the model was built that the existing model has to be greatly revised or a new model has to be rebuilt from scratch. They build a model of, say, a production line, solve their problems, and then move on. Yet most users of simulation software use it on a project basis. There’s much to understand about factory simulation software and its capabilities, which include how to determine plant capacity, balance manufacturing lines, manage bottlenecks, solve inventory and work-in-process problems, test new scheduling practices, justify capital expenditures, and optimize production rates, says Bill Nordgren, president of Enterprise Dynamics (formerly F&H Simulations Orem, UT).
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