l15_costmodellec

l15_costmodellec - Space Systems Cost Modeling Prof. David...

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Space Systems Cost Modeling Prof. David W. Miller Col. John Keesee Mr. Cyrus Jilla
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Why Cost Estimation? Critically important part of system design Too high – lose the contract award Too low – over-run cost plus contracts, company loss on fixed price contracts Trends Design to cost Cost as an independent variable
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Work Breakdown Structure Multi-level table used to organize, normalize and track costs and schedule Ensures accounting of all aspects of costs Each element has a start time, completion time, and all components of direct costs (labor, material, etc) Example shows top three levels for spacecraft systems From MIL HDBK 881 http://www.acq.osd.mil/pm/newpolicy/wbs/mil_hdbk_881/mil_hdbk_881.htm
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FLEX 1.0 MANAGEMENT 1.1 Project Planning & Schedule 1.1.1 Organization and Meetings 1.1.2 Schedule Maintenance 1.1.3 Implem & Work-around Plans 1.2 Financial 1.2.1 Budget Update & Forecast 1.2.2 Subcontract Monitoring 1.3 Task Manage & Tracking 1.3.1 Monitoring & Tracking 1.3.2 WBS Maintenance 1.4 Interface 1.4.1 Program Monitor 1.4.2 JSC RMS Program 1.4.3 Tech. Tracking Committee 1.4.4 Reporting 1.5 Co-I & Subcontractor Mgmt 1.5.1 Planning & Schedule 1.5.2 Technical & Task Tracking 1.6 Quality 1.6.1 Quality Program Plan 1.6.2 Nonconformance Tracking 2.0 SYSTEM ENGINEERING 2.1 Requirements 2.1.1 Expt Req Document 2.1.2 Subsystem Req. Documents 2.2 Design & Evaluation 2.2.1 3-D 1-g & 0-g Modeling 2.2.2 Feedforward Control Design 2.2.3 Feedback Control Design 2.2.4 Human-in-the-Loop Simulation 2.2.5 Performance Evaluation 2.3 Configuration Control 2.3.1 Design Documents 2.3.2 Processing &Tracking 2.3.3 Equipment List Maintenance 2.3.4 Test Matrix 2.4 Program Reviews 2.4.1 Conceptual Design Review 2.4.2 Requirements Review 2.4.3 Non-Advocate Review 2.4.4 Preliminary Design Review 2.4.5 Critical Design Review 2.4.6 Flight Readiness Review 2.4.7 Post Mission Expt Review 3.0 HARDWARE DESIGN & FAB 3.1 Arm Fabrication 3.1.1 Prototype (1) 3.1.2 Ground Test Facilities (2) 3.1.3 Flight Arms (2) 3.1.4 Motors 3.1.5 Payloads 3.3 Human Interface 3.3.1 Joystick 3.3.2 Grid W/S/W 3.3.3 Task Targets 3.3.4 Video Interface 3.2 Support Elec & Software 3.2.1 Experiment Support Module 3.2.2 Crew Interface 3.2.3 Ground Support Equipment 3.2.4 Software 3.2.5 Up/downlink Refurbishment 4.0 INTEGRATION & TEST 4.1 Engineering Model Integ 4.1.1 Robotic Arm Subsystem Tests 4.1.2 ESM Configuration 4.1.3 System Functional Testing 4.1.4 Prelim Environmental Test 4.2 Flight Model Integration 4.2.1 Integ Planning & Doc 4.2.2 Test Planning & Doc 4.2.3 Arm Subsystem Accept. Tests 4.2.4 System Integration 4.2.5 Functional Testing/Charact 4.2.6 System Accept/Cert Testing 4.3 Carrier Integration 4.3.1 Form 1628 Submittal 4.3.2 Integ Reviews (CIR, FOR,.) 4.3.3 Safety Reviews (0, I, II, III) 4.3.4 Payload Integ Plan (PIP) 4.3.5 Interface Control Doc (ICD) 4.3.6 PIP Annexes 4.3.7 Verification Activities 4.3.8 Crew Training 4.3.9 JSC Interface/Project Monit 4.3.10 Material Lists 4.3.11 Packing & Stowage Plans 4.3.12 FM Delivery & Recovery 5.0 OPERATIONS 5.1 On-Orbit 5.1.1 Diagnostics & error identi 5.1.2 Human-in-the-Loop 5.1.3 Protocol format 5.2 Ground 5.2.1 KSC 5.2.2 JSC 5.2.3 On-orbit Predictions Document 5.3 Post-Mission Activities 5.3.1 Flight Data Analysis 5.3.2 Reporting and dissemination
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This note was uploaded on 11/08/2011 for the course AERO 16.851 taught by Professor Ldavidmiller during the Fall '03 term at MIT.

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l15_costmodellec - Space Systems Cost Modeling Prof. David...

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