IILS

The IILS mbH (short for: Ingenieurgesellschaft für Intelligente Lösungen und Systeme mbH) is a small engineering company (SME) working in the area of knowledge-based engineering design and process automation. Founded in 1999 as an university spin-off, the IILS mbH has developed a software tool suite for engineering design automation under the european software brand label “Design Compiler 43”. Together with selected OEMs and other premium partners from the european aerospace and automotive industry IILS mbH has successfully implemented novel fully automated knowledge-based engineering workflows for the knowledge-intensive design of automotive and aircraft components and systems.

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Information Architecture and Processing

The IILS provides in such innovative customer projects full coverage of both the IT-tool development as well as the necessary engineering consulting and support. Behind its products and service offer stands the innovation of so-called graph-based design languages based on UML (Unified Modeling Language) which encode the design information and which can be automatically translated by the design compiler 43 into executable models. This way the conventional limitations of design automation can be overcome and pushed to new horizons which seemed to be unreachable in the past.

Information Processing

Information Processing

One application using graph-based design languages is the automated wire harness routing. Starting from a connection list, containing start and end points of wire connections, the application determines the paths for cables and similar connection elements. By using state-of-the-art path finding algorithms the application provides a wire harness in a complex DMU environment that is both, optimal and free of collisions.
Base on a holistic approach the complex DMU environment can be annotated semantically. These annotations can be used to define minimum distance constraints between cables and geometrical entities in order to avoid critical areas, for example components with high temperatures. Multiple wires and cables can be bundled to harnesses.
A path relaxation simulation guarantees physically realistic cable paths by respecting minimum bending radii constraints. The outcome of this automated wiring process comprises the length and the weight of all single wires. Finally, the results can be exported into various CAD environments and harness data standards.

Automated Wire Harness Routing