1. ME 59700 Spring 2015 Systems & Specialty Engineering,
Mr. Larry Hopp, CPL
© Copyright 2013

2. Agenda
Introductions
“Formalities”
ISS EPS Information
Course Content

3. Introductions Introductions About Larry Hopp
Retired Air Force Logistics Officer
Subcontractor to Naval Air Warfare Center performing Logistics Engineering
Raytheon
Logistics Engineering
Retired Logistics Engineer Department Manager
Reliability, Maintainability, Human Factors (Usability), System Safety, Supportability, Sustainability, and life-cycle cost.

4. Introductions Introductions
Class Introductions
Fill out survey
Guest lecturer’s may join us throughout the semester including Dr. Surber
Use International Space Station (ISS) EPS LRUs for a common project
Discuss your work projects (if not proprietary) so we can relate them to specialty engineering

5. Introductions
Class
75 minutes Tuesday and Thursday
Required information on all written submissions for grade:
Full name
Name of assignment : (CP-01, HW-01, Test-01)
Date

6. “Formalities” Required paperwork ATTENDANCE OFFICE HOURS
Travel is understood: let me know ahead of time
Make arrangements to submit assignments on time
OFFICE HOURS
By appointment or
Home phone: (preferred)
Cell phone:

7. “CANVAS” Replacing Oncourse Live Webinars Recorded Webinars
Live Webinars
Connect.iu.edu/learncanvas
Recorded Webinars
Canvas Basics for Students
Canvas: An Overview

8. “Our CONTRACT”
Knowledge is made available – but YOU must do the learning:
Lecture slides are in Power Point – posted on Canvas PRIOR to the class sessions
Syllabus - posted on Canvas website
Weekly Plan – Posted on Canvas
Quizzes (6)
Homework (6)
Class Project Briefings and written assignments (4)
Examinations (2 section tests & Final Exam)

9. “Our CONTRACT” ON LINE RESOURCE
Homework Assignments: Get them from WEEKLY PLAN.
Class Projects
Quizzes and Tests: Taken IN-CLASS (timed, open book, open notes)
FINAL EXAM (IN-CLASS, timed 2 hours, open book, open notes)

10. “Our CONTRACT” ATTENDANCE – COURSE GRADE
Notify instructor BEFORE absence
ASSIGNMENTS are due on the date they are due (LATE submittals = 0 points) IN CLASS or submitted to Canvas as directed by Instructor
COURSE GRADE
straight line percentage, as stated in syllabus (attendance & participation will affect border line grades)
(NO CURVE)
“NO Bonus Points or EXTRA POINTS”
PLEASE DO NOT BE LATE SUBMITTING ASSIGNMENTS

11. Reading/Studying Technical Material
Editors are tough “task masters”; there is a format to a good book, and to a good text book
Use the 3-Step Method
Skim
Get the “big” picture
See the outline/structure
Sweep (First and Last)
Intro & Summary
Paragraphs of a section
Sentences of a paragraph

12. Reading/Studying Technical Material
Synthesize (Re-visit for the “good stuff”)
BOLD items
Italicized items
Lists
Figures, Tables, Footnotes
Make notes in the margin, highlight, write questions in pencil, mark up the lectures
Draw pictures & Capture “relationships” amongst concepts

13. Quizzes, Tests, & Final Exam are all open book and open notes.
Quizzes and Tests
OPEN BOOK & OPEN NOTES
NO COLLABORATION
(Quizzes, Tests, or FINAL)
QUIZZES
All QUIZZES in class (10 minutes each)
Tests 1, 2
Take in class (75 minutes)
Quizzes, Tests, & Final Exam are all open book and open notes.
SO WHAT’S TESTABLE?
anything in the text book section intro & chapters
everything from the lectures

14. Final and Homework FINAL EXAM HOMEWORK
Students take as scheduled in class room (2 hours)
Talk to instructor about other arrangements
HOMEWORK
Submit PRINTED artifact by the start of class on date due
Designated questions at the end of Chapters
Submit by the due date on the Calendar

15. Class Project Briefings
Projects
Critical Design Review
Reliability
Maintainability
Human Factors/System Safety
Producibility & Manufacturing or Life Cycle Cost
Use assigned Electrical Power System (EPS) LRUs
Oriented toward Ch. 12 – 17.

16. Class Project Briefings
EPS Subsystem LRUs
Batteries
Battery Charge/Discharge Unit (BCDU)
Beta Gimbal Assembly (BGA)
DC Switching Unit (DCSU)
Electronic Control Unit (ECU)
Main Bus Switching Unit (MBSU)
Remote Power Controller Modules (RPCM)
Sequential Shunt Unit (SSU)
Solar Alpha Rotation Joint (SARJ)
Solar Array Wing (SAW)
Remote Bus Isolators (RBI)

17. End of “administrivia”
Text book (mandatory & testable):
Systems Engineering and Analysis, 5th ed., by Ben Blanchard & Wolter Fabrycky, 2011.
Useful References (NOT REQUIRED or testable)
Defense Acquisition University, Systems Engineering Fundamentals, 2001
System Analysis, Design, and Development, by Charles S. Wasson, 2006.
INCOSE, Systems Engineering Handbook, ver.3.2
List of NASA ISS websites useful for information about assigned space station element for class project.

18. Web Sites
INCOSE (home page, members have access to SE Handbook, Metrics Primer, IPAL):
Defense Acquisition University:
AW&ST online:
Defense Daily Network:
NASA Tech Briefs:
SAE International:
Virginia Polytechnic Institute and State Univ.
Carneghie Mellon & SEI (CMMI for Systems)
Google = “systems engineering”
Wiki-pedia “systems engineering”
See the list of INTERNATIONAL SPACE STATION web sites in the RESOURCES section of COURSE web site

19. Conceptual Design Design for Support Design of Support
Minimize
Design of Support
Support Resources for performance/readiness
Remember the impacts on
Operational characteristics
Reliability, maintainability, producibility, supportability, sustainability, disposability, human performance, constructability, and life-cycle cost

20. Figure 2.12 Life-cycle commitment, system-specific knowledge, and incurred cost.

21. Conceptual Design System Operational Requirements Mission Definition
Performance and physical parameters
Operational deployment
Operational life cycle
Utilization requirements
Environmental Factors

22. Conceptual Design System Operational Requirements
Effectiveness Factors
Life Cycle Cost
Operational availability
Mean Time Between Maintenance
Maintenance Downtime
Operator Skill Level

23. Conceptual Design System Maintenance and Support
Usually not given the needed attention early
Leads to the Specialty Engineering requirements
Leads to the infrastructure requirements
Life Cycle Cost

24. Figure 3.14 System operational and maintenance flow.

25. Figure 3.15 Major levels of maintenance.

26. Figure 3.16 System maintenance and repair policy.

27. Conceptual Design Technical Performance Measures
Quantitative Values that describe system performance
Estimated, predicted, measured.
MTBF, MTBM, MDT, Ao, logistics response time, LCC
Influence the system design process
What is the most important characteristic?

28. Figure 3.21 Functional block diagram expansion (partial).

29. Considerations 92 minutes cycle with 36 minutes dark
What are the performance measures (TPM)?
Level of Maintenance & Support
Architecture
Interfaces
What are the safety critical functions the EPS has to support?
FUNCTIONS

30. Considerations Specification
ISS shall operate for at least (T) 10 years and up to (O) 20 years.
ISS shall support a crew of at least (T) 3 crew for 3 months up to (0) a crew 4 for a period of 6 months.
Major ISS Systems shall have an MTBF of at least 1,000 hours.
Resupply flights shall be at least every (T) 30 days.

31. Mission Profile Initial Operating Capability
ZARA, Zvevday, Destiny, Unity, PMA, Harmony
3 crew for 3 months – 1 EVA every 15 days
Resupply every 30 days
Trusses & solar panels for 260Volts DC and Battery Storage of 110 KWhrs.
Major for power generating at least 500 hours.
24 hr/day * 30 days = 720 hours – Duty cycle – 16 hours full load and 8 hours minimum load.

32. Mission Profile Analysis
Level of Maintenance & Support
Architecture
Interfaces
Functions

33. Maintenance & Support Concept
On ISS (Level 1) no EVA
On ISS (Level 2) EVA
Spares located on ISS
Shuttle Supply (Level 2)
Spares from Earth
Shuttle with additional crew (Level 3)
Special technical SME
May/may not do EVA.

34. Maintenance & Support Concept
Ground control/mission control (level 4)
Modify software on ISS beyond capability of crew.
New modules/solar panels/pumps (level 5)
Emergency shuttle mission

35. Design for Operational Feasibility
Design for Reliability
Design for Maintainability
Design for Usability (Human Factors)
System Safety
Design for Logistics and Supportability
Design for Producibility, Disposability, and Sustainability
Design for Affordability (Life-Cycle Costing)

36. Design for Operational Feasibility
Definition – System will perform as intended in an effective and efficient manner in response to a given customer need.

37. Design for Operational Feasibility
Why is operational feasibility important to you?
Start early in the design process

38. Design for Reliability
Definition – The ability of a system to perform its intended mission when operating for a designated period of time, or through a planned mission scenario in a realistic operational environment.
Properly specified during conceptual design in quantitative terms (TPM)
Allocated to subsystems

39. Design for Maintainability
Definition – A design characteristic pertaining to ease, accuracy, safety, and economy in the performance of maintenance functions.
Ability of a system to be maintained.
Must be built-in to the design
Incorporated durng the design and development process

40. Design for Usability
Definition – Understanding between the human and other elements of the system (human systems integration)
Design against misuse and abuse
System Safety

41. Design for Logistics and Supportability
Definition – Logistics and Supply Chain activities associated with initial procurement and acquisition, manufacture and/or production, and transportation and distribution of the system and its elements to customer operational sites. Subsequent sustaining maintenance and support of the system throughout its planned life cycle.

42. Design for Producibility, Disposability and Sustainability
Producibility is internal to the producer
Environmentally conscious design and manufacturing
Sustainability is promoting green engineering
Disposal in an environmentally friendly way
Environmental concerns in all areas

43. Design for Affordability Life-Cycle Cost
Definition – Total Cost of the system over its intended life cycle.
Cost from research, design, testing, production, use and support, phase out and disposal must be included