{"id":136,"date":"2020-03-02T10:12:00","date_gmt":"2020-03-02T15:12:00","guid":{"rendered":"https:\/\/blogs.sw.siemens.com\/ee-systems\/?p=136"},"modified":"2026-03-26T13:39:54","modified_gmt":"2026-03-26T17:39:54","slug":"ecad-mcad-integration-for-first-pass-success","status":"publish","type":"post","link":"https:\/\/blogs.sw.siemens.com\/ee-systems\/2020\/03\/02\/ecad-mcad-integration-for-first-pass-success\/","title":{"rendered":"ECAD-MCAD Integration for First-Pass Success"},"content":{"rendered":"\n

Cars are becoming increasingly complex in the modern world. Nearly every car on the road has computers and sensors that electronically control the car\u2019s critical systems, such as braking, steering, and the engine. Modern cars can also be equipped with an array of cabin amenities to make our driving experience more pleasant, like heated seats and infotainment systems (figure 1). Couple this with the rise in ADAS technology, even in middle-range models, and the modern car shapes up to be a challenging design problem, especially for the electrical systems and wiring harness engineers.<\/p>\n\n\n\n

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Figure 1: Modern car interiors feature electrically and electronically enabled features such as infotainment systems, climate controls, and heated seats. <\/figcaption><\/figure>\n\n\n\n

This increasing electro-mechanical complexity and density has\na profound impact on first-pass success. If a design team does not address issues\nearly in the design cycle then the product development can be delayed, and may\neven miss its launch goal. <\/p>\n\n\n\n

The optimal strategy is to use a system that blurs the boundaries between the electrical and mechanical domains, allowing data to be exchanged early and often. Rather than integrating in arduous meetings that severely bottleneck the process, an incremental data exchange ensures that the electrical and mechanical domains are compatible at each point in the design. This synchronization creates a steady line of communication between the electrical and mechanical engineers that increases productivity, reduces errors, and increases the chances of achieving first-pass success. <\/p>\n\n\n\n

But, this is easier said than done. Electrical and mechanical engineers typically work with completely different tool sets and have completely different vocabularies. Many times they even reside in different physical locations. Mechanical and electrical CAD (MCAD\/ECAD) systems also have fundamentally different ways of presenting the structure of the same object. Generally speaking, physical and spatial attributes of an object do not directly relate to its functional or schematic view in the electrical domain.<\/p>\n\n\n\n

Clearly there are plenty of barriers to ECAD-MCAD\nintegration and, as a result, previous efforts to collaborate have met with\nlimited success. Earlier ECAD-MCAD collaboration tools used everything from\nsticky notes, and email, to spreadsheets and marked up PDF files. These\napproaches fell far short for obvious reasons. As a result, many automotive\nproduct development teams resorted to internally developed software and\nprocesses for collaboration that had to be tested and verified with each new\nrelease of the underlying ECAD and MCAD tool suites. These locally developed\nsoftware and processes were costly to maintain and required dedicated in-house\nsupport.<\/p>\n\n\n\n

Thankfully, modern ECAD and MCAD tools are integrating at a much deeper level. A key feature of such integration is replacing the cumbersome file-based exchange of the XML method. With XML, integration depended on exporting a massive file of changes into a file system for the other engineers to retrieve and then import. Capital and NX support API level integration, where the two solutions are directly connected to immediately update the design with changes or new information (figure 2). Engineers no longer swap XML files but are truly integrated at the data level via a robust mechanism. For instance, a Capital designer may publish a bill of materials for the wiring which can then be seamlessly integrated into NX. <\/p>\n\n\n\n

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Figure 2: Robust integrations between electrical and mechanical design solutions allow engineers to exchange information directly through the tools without cumbersome manual file exchanges. <\/figcaption><\/figure>\n\n\n\n

Capital and NX, both part of the Xcelerator portfolio, can also connect with product lifecycle management solutions, such as Teamcenter, simulation software, manufacturing design and more to create a comprehensive digital twin of the vehicle. This comprehensive digital twin ensures that each engineering domain and team can access relevant information from the others, enabling cross-domain engineering, product verification and validation and more.<\/p>\n\n\n\n

ECAD-MCAD co-design has long been recognized as a potential enabler to increasing productivity and ensuring a robust design. With modern integrated solutions, such as those in the Xcelerator portfolio, designers are able to synchronize their data more efficiently and collaborate more effectively on critical design items between domains, thereby ensuring that the design intent is properly implemented. As the electrical content of cars continues to expand tomorrow, the benefits in design capability provided by ECAD-MCAD co-design will only continue to grow today. <\/p>\n\n\n\n

For more information, read our whitepaper Automotive ECAD-MCAD Co-Design Leads to First-Pass Success.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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