ME 516: Complex System Design

 

Spring 2007 Term

4/2-6/8/2007

Tuesdays and Thursdays 10-11:50am

Rogers 332

 

Instructor:

            Professor Irem Y. Tumer

            Rogers 408

            Irem.tumer@oregonstate.edu

            541-737-6627    

            Office Hours: Tuesdays 2-3pm

 

Learning Outcomes:

            By the completion of this course, students will be able to:

á       Identify major challenges in complex system design

á       Analyze and design a subsystem in a concurrent and collaborative design session using design tools and methodologies presented in class

á       Formulate a research need and conduct research based on identified challenges

á       Present findings in a professionally written report and an oral presentation

 

Textbook:

            No textbook is assigned. Reading assignments will be handed out for selected topics either from published articles or books. Suggested books for reading include:

á       The art of systems architecting. M.W. Maier and E. Rechtin

á       Space mission analysis and design. J. R. Wertz and W. J. Larson

á       Probabilistic risk assessment of engineering systems. MG. Stewart and R.E. Melchers

á       Introduction to systems engineering. A.P. Sage and J. E. Armstrong

 

 

Grading:

            Homework & In-class discussions  30%

            Concurrent Design Project             30%

Research Project                          40% (Research proposal, literature findings, interim report and presentation, final report and presentation)

                       

Homework Assignments:

á       2 page summary and discussion on the invited seminar topics and relationship to research project after each seminar

á       2-page summary and discussion of reading assignments (from textbooks or research papers)

 

Requirements for Concurrent Design Project:

Session Details:

á       Problem definition

á       Team-X setup: Teaming (Systems, structures, aerodynamics, cost modeling)

á       Models

á       Method: Trade space exploration using ATSV as a background optimizer

á       Software training

á       Design of system using subteams (subsystem chairs)

á       Design of systems using optimizer tool (teams)

á       Discussion of observations and results of mock design session

á       Report and presentation of design session results, before & after comparison

 

Requirements for Research Project:

á       Problem formulation

á       Research Proposal report

á       Literature search

á       Development of approach

á       Interim progress report

á       Implementation

á       Discussion of how approach would improve system design process

á       Final report and powerpoint presentations

 

Possible Research Topics:

á       Function based methods for conceptual design

á       Trade space exploration: Multiobjective Optimization/Visualization

á       Risk and reliability based design

á       Model based design

á       Cost benefit analysis

á       Decision based design

á       Decision Capture and Uncertainty Management

 

Invited Speakers:

 

Tuesday, 4/17: 

Visual steering for trade space exploration

Dr. Michael Yukish

Pennstate, ARL

 

Tuesday, 4/24:

Spacecraft systems engineering

Dr. David Lee

Northrop Grumman

 

Thursday, 5/3:

Model based design environments and tools

Dr. Steve Wall

NASA Jet Propulsion Laboratory

 

Tuesday, 5/8:

Safety and accident modeling

Dr. Nancy Leveson

MIT

 

Tuesday, 5/29:

Integrated systems health management

Dr. Stephen Johnson

NASA Marshall Space Flight Center

 

 

Topics and Approximate Schedule:

 

Wk 1: LECTURE 1-2: 4/3-5

  1. Introduction to course/syllabus/expectations
  2. Complex Engineered Systems
    1. Engineered Systems
    2. Complexity
    3. Systems thinking
    4. Example of Complex Systems:

                                               i.     Spacecraft

1.     Manned missions

2.     Unmanned missions

                                             ii.     Aircraft Systems

1.     Commercial

2.     Military

                                            iii.     Other Domains:

1.     Nuclear systems

2.     Manufacturing plants

3.     Automotive systems

 

Reading assignment: ATSV/visualization for design session

Preliminary literature search on research topic

 

Wk 2: LECTURE 3-4: 4/10-12

  1. Design and Architecting of Complex Engineered Systems (from Maier & Rechtin)
    1. Systems
    2. Challenges
    3. Uncertainty and risks
  2. Introduction to potential solutions/research topics (from research slides and papers):
    1. Function based methods for conceptual design (FFA, FACE, FFIP)
    2. Trade space exploration: Multiobjective Optimization
    3. Trade Space exploration: Visualization (ATSV)
    4. Risk assessment and reliability modeling
    5. Cost benefit analysis
    6. Decision based design
    7. Decision Capture and Uncertainty Management

 

Research Project Assignment

In-class assignment: discussion of reading assignments/preparation for design session

 

Wk 3: LECTURE 5-6: 4/17-19 (TUE: Mike Yukish visit/Pennstate---Optimization & Visualization)

  1. Methods and tools
    1. Automated Trade Space Exploration:

                                               i.     Multiobjective Optimization

                                             ii.     Visualization/ATSV

  1. Concurrent design session (with Prof. Tim Simpson/Pennstate)
    1. Spacecraft External Fuel Tank problem
    2. Models and data
    3. Mock Session: Run 1
  2. Mock Design Session Analysis:
    1. Analysis of the session (interactive; discussion of hw assignment---analysis)
    2. Process
    3. Problems/Issues

 

HW assignment: Summary of design session (How would you improve this process?)

Reading assignment: System engineering

Wk 4: LECTURE 7-8: 4/24-26  (TUE: David Lee visit/Northrop Grumman---Systems Engineering)

  1. Complex Systems Design: Systems Engineering View
    1. Spacecraft Systems engineering
    2. Common design problems for complex engineered systems

                                               i.     Risk, cost, performance trades

                                             ii.     Modeling and simulation

                                            iii.     Distributed teams

                                            iv.     Knowledge and experience

                                              v.     Legacy designs

                                            vi.     Redundancies, failure assessment

  1. Research Proposals and presentations

 

HW assignment: summary of seminar

Research proposals report due (brief presentations/discussion by each student.).

Reading assignment: Model based design and collaborative design environments

 

Wk 5: LECTURE 9-10: 5/1-3 (THUR: Steve Wall Visit/NASA JPL—Model based design)

  1. Modeling in System Design
  2. Collaborative and Concurrent Design Centers
    1. Sequential vs. Concurrent Design
    2. Collaborative and distributed design
    3. Model-based design
    4. Team X/PDC/JPL Details

                                               i.     Process

                                             ii.     Models

                                            iii.     System engineering/date exchange software: (ICEMaker)

    1. Other Examples:

                                               i.     NASA (Goddard; Langley)

                                             ii.     Aerospace industry (Northrop, Boeing, Lockheed Martin)

                                            iii.     Automotive industry (General Motors)

 

HW assignment: Summary of seminar and reading assignments

Reading assignment: Safety and accident modeling in complex systems

 

Wk 6: LECTURE 11-12: 5/8-10 (TUE: Nancy Leveson/MIT---Safety in Complex System Design)

  1. Safety and accident modeling for Complex System Design
    1. Safety engineering
    2. Accident modeling
    3. Complex System design
  2. Interim Research Project report and presentations

 

HW assignment: Summary of seminar and reading assignment

Interim Research report and presentations due: literature findings & progress

 

Wk 7: LECTURE 13-14: 5/15-17

  1. Decision making under uncertainty (with Dr. David Ullman/Robust Decisions Inc.)
    1. Uncertainties and risks during high-level decision making in design
    2. Uncertainty capture and representation
  2. Design Session: Run 2
    1. Revisiting the Space shuttle external fuel tank problem
    2. Using ACCORD to capture design uncertainty
    3. Discussion of system design and analysis tools
    4. Discussion of Team-X concurrent design environments
    5. Analysis and comparison of before and after results

HW assignment: Discussion of the before and after use of tools and results

Reading assignment: reliability and risk based design

 

Wk 8: LECTURE 15-16: 5/22-24

  1. In-class discussion of reading assignments
  2. Reliability and risk assessment
    1. Reliability engineering
    2. Probabilistic risk assessment
    3. Qualitative risk analysis

 

Reading assignment: Integrated systems health management

 

Wk 9: LECTURE 17-18: 5/29-31 (TUE: Stephen Johnson/NASA---Health Management)

  1. Integrated systems health management
    1. ISHM history & Goal
    2. ISHM functions and requirements22nd
    3. ISHM primary solutions/successful examples in practice
  2. Design project reports and presentations (10 minutes each)

 

HW assignment: Summary of seminar and reading assignment

In-class presentations: design projects

Final Design project reports due Friday June 1st, 1pm

 

Wk 10: LECTURE 19-20: 6/5-7

  1. Course summary
  2. Final reports and in-class research project presentations (over two days; 20 minutes each):

Research project presentations

Interactive critique, Q&A

 

Final Research project presentations (20 minutes each)

Final Research Project reports due Friday June 8th, 1pm and presentations due