《飞行器系统工程》（英文版） Today' s class

16885J/ESD35J-Sep4,2003 16.885JESD35J Aircraft Systems Engineering September 4, 2003 Prof.“John” Hansman Prof.“Ear" Murman

16.885J/ESD.35J - Sep 4, 2003 16.885J/ESD.35J Aircraft Systems Engineering September 4, 2003 Prof. “John” Hansman Prof. “Earll” Murman

16.85J/ESD.35J-Sep4,2003 Todays class Course introduction Course learning objectives& measurable outcomes 21st Century Jet: The Building of the 777 Interleaved video and discussion on aircraft systems engIneerIng Semester case study Administrivia Grading Class discussion

16.885J/ESD.35J - Sep 4, 2003 Today’s Class • Course introduction • Course learning objectives & measurable outcomes • 21st Century Jet: The Building of the 777 – Interleaved video and discussion on aircraft systems engineering • Semester case study • Administrivia • Grading • Class discussion

16885J/ESD35J-Sep4,2003 Course Introduction Holistic view of aircraft as a system Systems Engineering and System Level Attributes (12 lectures) Subsystems: The anatomy of an Aircraft(7 lectures System Realization (6 lectures Retrospective analysis-studying existing aircraft to learn about design choices and features Apply knowledge to semester long case study Emphasis is more on"aircraft systems" than on systems engineering Learning community approach We are all teachers and learners Be engaged

16.885J/ESD.35J - Sep 4, 2003 Course Introduction • Holistic view of aircraft as a system – Systems Engineering and System Level Attributes (12 lectures) – Subsystems: The Anatomy of an Aircraft (7 lectures) – System Realization (6 lectures) • Retrospective analysis - studying existing aircraft to learn about design choices and features • Apply knowledge to semester long case study • Emphasis is more on “aircraft systems” than on “systems engineering” • Learning community approach – We are all teachers and learners – Be engaged

16.885JESD35J·Sep4,2003 Course Learning objectives At the completion of 16.885, students will have gained An appreciation of an aircraft as a system, operating within a larger air transportation or air defense system, and comprised of many subsystems Understanding of, and ability to apply, basic concepts for Systems engineering: requirements, interface mgmt, verification validation Cost and weight analysis and estimation Performance analysis Reliability and safety The function, architecture and key performance issues of major subsystems Risk analysis and management Design closure to deliver lifecycle value An ability to understand complex systems and design choices through the retrospective analysis of existing aircraft systems

16.885J/ESD.35J - Sep 4, 2003 Course Learning Objectives At the completion of 16.885, students will have gained: • An appreciation of an aircraft as a system, operating within a larger air transportation or air defense system, and comprised of many subsystems • Understanding of, and ability to apply, basic concepts for: – Systems engineering: requirements, interface mgmt, verification & validation – Cost and weight analysis and estimation. – Performance analysis – Reliability and safety – The function, architecture and key performance issues of major subsystems – Risk analysis and management – Design closure to deliver lifecycle value • An ability to understand complex systems and design choices through the retrospective analysis of existing aircraft systems

16.885JESD35J-Sep4,2003 Course measurable outcomes Retrospective analysis of an existing aircraft design, delivered in both written and oral forms Individual contributions to case study team effort as reported by student and teammates Class participation End of semester interview with course faculty on achievement of learning objectives

16.885J/ESD.35J - Sep 4, 2003 Course Measurable Outcomes • Retrospective analysis of an existing aircraft design, delivered in both written and oral forms. • Individual contributions to case study team effort as reported by student and teammates. • Class participation. • End of semester interview with course faculty on achievement of learning objectives

16.85J/ESD.35J-Sep4,2003 Segment from Pbs Home video 21st Century Jet: The Building of 力he777 Part|-9:15-16:10(6min50sec Covers the 777 Value Proposition struck between United airlines and Boeing

16.885J/ESD.35J - Sep 4, 2003 Segment from PBS Home Video 21st Century Jet: The Building of the 777 Part I - 9:15-16:10 (6 min 50 sec) Covers the 777 “Value Proposition” struck between United Airlines and Boeing

16.885JESD35J·Sep4,2003 Value creation framework Value-how various stakeholders find particular worth. utility benefit or reward in exchange for their respective contributions to the enterprise Value phases Value Value Valu Identification Proposition Delivery dentify the Develop a Deliver on stakeholders robust value the promise and their proposition with good value to meet the technical expectations expectations and program erformance Source: Lean Enterprise Value: Insights from MIT's Lean Aerospace Initiative, Murman, et al 2002

16.885J/ESD.35J - Sep 4, 2003 Value Creation Framework worth, utility, benefit, or reward in exchange for their respective contributions to the enterprise. Value - how various stakeholders find particular Value Identification Value Value Proposition Delivery Value Phases Develop a robust value proposition to meet the expectations Identify the stakeholders and their value expectations Deliver on the promise with good technical and program performance Source: Lean Enterprise Value: Insights from MIT’s Lean Aerospace Initiative, Murman, et. al 2002

16.885JESD35J·Sep4,2003 The Challenge of architecting and Engineering Aircraft Systems Customer a fundamental challenge End Us Shareholder Consumer of any program is to satisfy multiple stakeholders Enterprise Corporation Partners expectations for product Employees Performance/quality Suppliers Society Schedule/availability Union Cost/financial return with acceptable risk Stakeholders

16.885J/ESD.35J - Sep 4, 2003 The Challenge of Architecting and Engineering Aircraft Systems Employees Customer Acquirer Partners Shareholder Corporation Society Suppliers Union Enterprise End User Consumer A fundamental challenge of any program is to satisfy multiple stakeholders expectations for product – Performance/quality – Schedule/availability – Cost/financial return with acceptable risk. Stakeholders

16.85J/ESD.35J-Sep4,2003 Segment from PBs Home video 21st Century Jet: The Building of 力he777 Part|-17:1220:32(3min30sec) Addresses the technical complexity of aircraft with its many components which interact, requiring the use of mockups, originally physical and now digital, to visualize the interactions

16.885J/ESD.35J - Sep 4, 2003 Segment from PBS Home Video 21st Century Jet: The Building of the 777 Part I - 17:12-20:32 (3 min 30 sec) Addresses the technical complexity of aircraft with its many components which interact, requiring the use of mockups, originally physical and now digital, to visualize the interactions

16885J/ESD35J-Sep4,2003 Technical dimension 6 Level hierarchy 0- Physical environment of the world 1- The air transportation system or the air defense system 2- The aircraft and/or related systems 3-Major subsystems or subassemblies both hardware and software 4-Components or major software units 5-Parts or lines of code

16.885J/ESD.35J - Sep 4, 2003 Technical Dimension 6 Level Hierarchy 0 - Physical environment of the world 1 - The air transportation system or the air defense system 2 - The aircraft and/or related systems 3 - Major subsystems or subassemblies: both hardware and software 4 - Components or major software units 5 - Parts or lines of code