You can collect the goals and requirements for a new product or for changes to a product in engineering structures and integrated them optimally in the processes of early engineering.

• When a new product is developed, the first product ideas with statements on the features or activities to be fulfilled are collected in a wide range of documents. For these functional requirements and goals, you may maintain texts, tables, graphics, and so on.
  In some industry sectors, such as the automobile industry, new models are based on existing models and developed further. In basic engineering, the documents that describe the functional requirements of the old product must be adapted to the current product.

• In addition to functional requirements, in basic engineering, the constraints are also checked, such as safety and quality requirements. For these requirements and goals, it is useful to have checklists. These lists can be systematically checked and reused in the engineering process. This phase also requires a lot of time invested in processing management goals, such as the management of times or budgets.
• In the continuing detail engineering, the different requirements are evaluated and completed. Engineers implement the requirements for the product, and continuously develop the product structure. The reuse and adaptation of existing engineering data makes for a considerable reduction of development time and costs.

The product designer helps you to execute these engineering processes quickly and accurately:

• At the start of product development, you sort the requirements. The individual requirements are structured and described using attributes. Data on the processor and status support the project team, because they are a central tool for finding and sorting requirements.
• Interdependencies with other requirements and iPPE objects are mapped using relationships.
• In the continuing development phases, you continuously add to this structure and develop a detailed engineering structure (feature and requirements structure). You create concepts for the realization options for a requirement, and copy feasible data to the product structure. Detail engineering keeps on modeling the product structure until the product is mapped in its entirety and has a production-relevant status. You can use alternatives to map alternative compositions for one product.

In Customizing for Integrated Product and Process Engineering (iPPE), two node types are defined that you can use as templates for your company-specific requirements and goals, such as quality requirements, safety requirements, and management goals.

These node types have general relationship types. These relationship types links iPPE objects that are relevant to early engineering. They provide the basis for modeling the engineering structure. The following overview shows which relationships you can map in an engineering structure.

Engineering structures are created and maintained in the iPPE Workbench. A range of editing processes lets you integrate the requirements and goals in early engineering.

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