ME Summer 2013 Systems Engineering, Part II Session July 2013 Mr. Larry Hopp, CPL

2 Agenda Return Quiz and Homework Ch. 14 Discuss Ch. 15(55 Minutes) Discuss Ch. 15(40 Minutes)

3 Elements of Logistics & Systems Support PHS&T Test, Measurement, Handling, and Support Equipment Logistics Information –Ensure an effective and efficient information flow Goal - Right Asset, Right Place, Right Time

4 Supply Chain Factors Capability Availability Quality Goal - Right Asset, Right Place, Right Time

5 Purchasing & Material Flow Factors Initial purchasing –# of purchase orders processed –Quality of purchasing process Flow of Materials –Cost of Materials Processed. Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 15.6 The various forms of transportation.

7 Transportation & Packaging Factors Route Capacity Time Cost Goal - Right Asset, Right Place, Right Time

8 Warehousing & Distribution Factors Functions –Receiving –Stock or transfer –Pick –Cross dock –Shipping Goal - Right Asset, Right Place, Right Time

9 Warehousing & Distribution Factors Metrics –Time –Cost of each shipment –Cost of holding inventory –Value of products –Space utilization and cost per area –Volume of products handled Goal - Right Asset, Right Place, Right Time

10 Maintenance Organization Factors Direct Maintenance Time –MLH/OH, MLH/mission cycle, MLH/month, MLH/Labor action Indirect labor Turnover rate Amount of training Work orders processed ADT Goal - Right Asset, Right Place, Right Time

11 Spares, Repair Parts, & Related Inventory Factors Spares and repair parts Additional Stock –Items in maintenance –Procurement lead time –Beyond economical repair (BER) Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 15.8a Spare-part requirement nomograph

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 15.8b Spare-part requirement nomograph

14 Spares, Repair Parts, & Related Inventory Factors Excess Inventory costs money Could become obsolete To little inventory could lead to a stock out You need just the right amount. Goal - Right Asset, Right Place, Right Time

15 Spares, Repair Parts, & Related Inventory Factors Economic Order Quantity –Reorder point = (Order ship time X Day of Supply) + Safety Level –EOQ = Sq rt (2 C o D/C i ) C o - Cost to Order D - Demands /year C i – Cost to hold in inventory –Doesn’t apply to high value items or mission critical items Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 15.9 Representation of an actual inventory cycle.

17 Test & Support Equipment Factors What is it? Where does it go? What does it service? What is the reliability of the test equipment? What kind of spares do you need for the test equipment? Goal - Right Asset, Right Place, Right Time

18 Maintenance Facility Factors Turn around time (TAT) Facility Utilization Energy Utilization Facility Cost Goal - Right Asset, Right Place, Right Time

19 Computer Resources & Maintenance Software Factors Major element Software Maintainability Software Reliability –Initial development errors Software Failure Goal - Right Asset, Right Place, Right Time

20 Technical Data and Information Systems Factors Data availability Data Protection Logistics Response Data Access Item Location Information Processing Change implementation Cost Goal - Right Asset, Right Place, Right Time

21 Logistics & Maintenance Support in the System Life Cycle Integrated entity One of the subsystems Support the system Support the life-cycle In the beginning………. Day to day participation Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure Logistic support in the system life cycle (refer to Figure 2.2).

23 System Requirements Operational Requirements Maintenance Concept TPMs Don’t agree with PBL factors Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure Selected technical performance measures for the logistics and maintenance support infrastructure. Source: B. S. Blanchard, Logistics Engineering and Management, 6th ed. (Upper Saddle River, NJ: Pearson Prentice Hall, 2004), Figure 1.11.

25 Requirements Allocation How do you break the requirements down? Negotiate with other IPTs if to tight or to loose Think about your class project Goal - Right Asset, Right Place, Right Time

26 Design Review and Evaluation Supportability Review Checklist –Logistics functions adequately defined –Supply chain functions been defined –Systems maintenance concept –Supportability analysis completed Supportability analysis support the maintenance concept Supportability analysis define all logistics requirements. Integrate different models –Specific requirements been defined Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure Supportability analysis (SA) and supplemental analyses.

28 Supportability Analysis (SA) Initially influence the system design –Conceptual design ID logistics and maintenance support resources Logistics Management Information (LMI) ID high cost/high risk areas Goal - Right Asset, Right Place, Right Time

29 Supportability Analysis (SA) Design Interface –Design Analysis FMECA for each of the critical subsystems –List system –When will you update –Issues –Impact DOD Life-Cycle Sustainment Plan Sample Outline Aug 10, 2011

30 Supportability Analysis (SA) Design Interface –Design Analysis Reliability Growth Plan –List System –Planned values –Estimate at IOC –Confidence Level –How to mitigate any problems DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

31 Supportability Analysis (SA) Design Interface –Design Analysis Completed Supportability Trade Studies –Trade name and date completed –Lead IPT –Options Analyzed –Criteria used to evaluate costs and benefits –Impact DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

32 Supportability Analysis (SA) Design Interface –Design Analysis Planned Supportability Trade Studies –Trade name –Lead IPT –Timeframe –Objective –Options to be analyzed –Criteria used to evaluate costs and benefits DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

33 Supportability Analysis (SA) Design Interface –Technical Reviews Schedule Participants Focus Criteria DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

34 Supportability Analysis (SA) Product Support Element Determination –Analysis Support methods and tools Processes addressed Schedule Tools Output produce Update timeframe DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

35 Supportability Analysis (SA) Sustaining Engineering –Monitoring tool –Office of primary responsibility –Metrics/Data monitored –Feedback mechanism –Review timeframe DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

36 Supportability Analysis (SA) Other Possible Analysis –Systems Engineering Functional Analysis –FTA –Reliability Block Diagrams –Reliability Analysis and Prediction –Maintainability Analysis and Prediction –Maintenance Task Analysis –Repair Level Analysis DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

37 Supportability Analysis (SA) Other Possible Analysis –RCM –Training System Requirements Analysis –Analysis to determine best location/sources of maintenance or support DOD Life Cycle Sustainment Plan Sample Outline Aug 10, 2011

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure Development of logistics and maintenance support requirements through the supportability analysis. Source: B. S. Blanchard, Logistics Engineering and Management, 6th ed.(Upper Saddle River, NJ: Pearson Prentice Hall, 2004), Figure 5.6.

39 Supportability Test & Evaluation Were the requirements met? –Reliability qualification testing –Maintainability demonstration –Personnel Test and Evaluation –Test and Support Equipment –Logistics validation Some can be done during Type 2 and 3 testing. Complete validation during type 4 testing and during the life cycle Goal - Right Asset, Right Place, Right Time

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 6.2 Stages of system test and evaluation during the life cycle.

Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard Wolter J. Fabrycky Figure 6.5 System evaluation and corrective action loop.

42 Chapter 15 Wednesday 24 July –Homework Chapter 15 Problems 7, 9, 15, 17, and 27 (some is 2) Quiz #5 Chapter 15 Goal - Right Asset, Right Place, Right Time

43 Monday 22 July Test #2 Work on ISS Class Project Goal - Right Asset, Right Place, Right Time