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Engineering IT Summary & Recommendations

This lecture explores the status of engineering IT, including the use of STEP Express and XML, the content provided by Express and existing STEP standards, and the emerging capabilities and application areas of STEP. Recommendations for addressing gaps in engineering IT and promoting standardization are also discussed.

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Engineering IT Summary & Recommendations

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  1. Extended LectureShinshu University · Nagano City, JapanApril 22, 2002 Engineering IT Summary & Recommendations Russell Peak Senior Researcher Manufacturing Research Center Georgia Tech

  2. Status - Information Modeling • STEP Express & related techniques provide good representation capability for engineering complexities • XML alone is insufficient (syntax format) • “Challenges to Effective Adoption of the Extensible Markup Language” GAO-02-327 report, www.gao.gov • Need content description provided by Express and existing STEP standards (AP2xx, etc.) • Leverage many man-years of effort invested to create content standards • On synergy: “STEP & XML” - a European Maritime STEP Association (EMSA) white paper, http://www.lsc.co.uk/downloads/stepandxml.pdf

  3. Status - STEP • First Release - 1994 Collection • Foundations for engineering IT • Mechanical CAD/geometry-oriented • Successful and in wide-spread use today • Second Release - ~2001 Collection • New richer content (APs) • Finite Element Analysis - AP209 • Electronics - AP210 • Wiring harnesses/looms - AP212 • Construction & process plant industry - AP225, AP227 • New implementations: • Database sharing (vs. just file exchange) • The Web - using XML • Emerging vendor support and usage

  4. Status - STEP (cont.) • Coming capabilities (in-process) • New application areas • Shipbuilding suite of APs • Process Plant pipework • Systems Engineering • New integrated information for manufacturing • Rapid Prototyping for Layered Manufacturing • Product Life Cycle Support • Modular architecture - recognizing common clusters of engineering concepts • Improved interoperability

  5. Overall Engineering IT • Emerging emphasis on standards-based engineering frameworks • Combination of standards: ISO STEP, OMG, W3C, … • Dealing with current gaps • Recognize the root causes: • Semantic gaps, associativity gaps, etc. • Fill gap • Obtain or develop tools that fill gap (if possible) or • Setup manual/custom processes to cover gaps • Promote standardization of solutions

  6. Standards vs. Competitive Factors for CAD/E/M Vendor • Vendor non-core business: • External information models and interfaces • Not a threat, but a valuable capability for customers • Vendor core business: • Tools to create and interact with subsets of these information models • Vendor tool distinguishing factors • Functionality algorithms • Populate, change, view models in innovative ways • Performance algorithms • Do operations faster than competition • User interface • Provide intuitive, valuable interaction mechanisms • Minimize mouse-clicks (required user actions) • Maximize views: “absorbable knowledge density”

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