MOLINA CHAPTER - LIFE CYCLE
FIGURE 1
FIGURE 2
FIGURE 3
FIGURE 4
FIGURE 5
FIGURE 6
FIGURE 7
FIGURE 8
"What" Activities / “How" Activities / "Do" ActivitiesPlan and Build Phase
(e.g. before sell/buy title transfer) / · Develop goals
· Define strategy
· Define product needs / · Develop requirements
· Define concept
· Design product
· Plan to produce product
· Plan to support product / · Procure parts
· Produce product
· Test product
· Ship product
Use and Operate Phase
(e.g. after the sell/buy transfer) / · Define support needs
· Define use / · Define use requirements
· Define support
· requirements / · Use the product
· Support product
Dispose and Recycle Phase
(e.g. after product is no longer useful) / · Define recycle/ dispose needs / · Define recycle/
· dispose requirements / · Recycle product
· Dispose product
Figure 9 Mapping between system life-cycle phases and system activities W, H, and D
FIGURE 10
FIGURE 11
FIGURE 12
FIGURE 13
FIGURE 14
FIGURE 15
LEFTSIDE FIGURES 12-15
Table I Life Cycle Presentations
PERA
(Williams, et al. 1992) /
CIMOSA
(AMICE, 1992) /
CHECKLAND
(Checkland, 1985) /
GRAI-GIM
(Doumeingts, et al., 1992)
1 / IDENTIFICA-TION / ------/ PROBLEM SITUATION / IDENTIFICA-TION
2 / CONCEPT / ------/ ANALYSIS / DEFINITION OF DOMAIN
3 / DEFINITION OR FUNCTIONAL ANALYSIS / REQUIRE-MENTS DEFINITION / ROOT DEFINITION OF RELEVANT SYSTEMS
CONCEPTUAL-IZATION COMPARISON / ANALYSIS
4 / SPECIFICATION OR FUNCTIONAL DESIGN / DESIGN SPECIFICATION / DEFINITION SELECTION / USER ORIENTED DESIGN
5 / DETAILED DESIGN / IMPLEMENTA-TION DESCRIPTION / DESIGN / TECHNICAL ORIENTED DESIGN
6 / MANIFESTA-TION / SYSTEM BUILD & RELEASE
ACQUISITION OR IMPLEMENTA-TION
TEST & VERIFICATION
TRANSFER TO OPERATION
RELEASE FOR OPERATION
/ IMPLEMENTA-TION / ------
7 / OPERATIONS / INITIAL OPERATION
SYSTEM OPERATION
MAINTENANCE / ------/ ------
8 / DISPOSAL OR RECYCLE / SYSTEM CHANGE / ------/ ------
(CONTINUE)
Table I (continued)
(Weston and Edwards, 1994)) /
ARIS
(Remme and Scheer, 1995) /
SAGE
(Sage, 1992) / TURNER
ET AL.
(Turner, et al., 1993))
1 / STRATEGIC PLANNING / ------/ ------/ RECOGNITION OF NEED &
2 / REQUIRE-MENTS & SPECIFICA--TIONS / DEFINITION OF SYSTEM PURPOSE
3 / CONCEPTUAL
DESIGN / REQUIRE-MENTS DEFINITION / PRELIMINARY CONCEPTUAL DESIGN / SYSTEM FUNCTIONAL ANALYSIS
PRELIMINARY SYSTEM OPTIMIZA-TION
4 / DESIGN SPECIFICATION / LOGICAL DESIGN & ARCHITEC-TURAL SPECS. / PRELIMINARY SYSTEM DESIGN
5 / DETAILED DESIGN / IMPLEMENTA-TION DESCRIPTION / DETAIL DESIGN AND TESTING / DETAILED SYSTEM DESIGN
SYSTEM PROTOTYPE
6 / SYSTEM IMPLEMENTA-TION / ------/ OPERATIONAL IMPLEMENTA-TION
EVALUATION & MODIFICATION / SYSTEM ACQUISITION
SYSTEM IMPLEMENTA-TION
7 / SYSTEM EXECUTION / ------/ OPERATIONAL DEVELOPMENT / SYSTEM OPERATION & MAINTE-NANCE
8 / SYSTEM MAINTENANCE & CHANGE / ------/ ------/ SYSTEM UPGRADES & IMPROVE-MENTS
(CONTINUE)
Table I (continued)
THOME
(Thome, 1993) / BLANCHARD & FABRYCKY (Blanchard & Fabrycky, 1981) /
AWAD
(Awad, 1985) /
KOWAL
(Kowal, 1988)
1 / SYSTEM PERCEPTION / DEFINITION OF NEED / RECOGNI-TION OF NEED / ------
2 / REQUIRE-MENTS GENERA-TION / CONCEPTUAL DESIGN / FEASIBIL-ITY STUDY /
ANALYSIS
3 / REQUIRE-MENTS DEFINITION / PRE-LIM-INARY / SYSTEM FUNCTIONAL ANALYSIS / ANALYSIS
DESIGN CRITERIA
4 / ACQUISI-TION STEP / DESIGN /
SYSTEM OPTIMIZATION
SYSTEM SYNTHESIS & DEFINITION
5 / DESIGN / DETAIL DESIGN & / SYSTEM PRODUCT DESIGN / DESIGN / DESIGN
TEST
DESIGN / DE-VELOP-MENT /
SYSTEM PROTOTYPE DEVELOPMENT
SYSTEM PROTOTYPE TEST & EVALUATION
6 / BUILD
TEST / PRODUCTION AND/OR CONSTRUCTION / IMPLE-MENTA-TION / INSTALL-ATION
ACCEP-TANCE TEST
7 / ------/ UTILIZATION & SUPPORT / POST-IMPLEMEN-TATION & MAINTE-NANCE / ------
8 / ------/ PHASEOUT AND DISPOSAL / ------/ ------
(CONTINUE)
Table I (continued)
WU AND WU
(Wu and Wu, 1994) /
KENDALL
(Kendall, 1989) / SCIENCE RESEARCH ASSOCIATES
(Leeson,
1985) / WHITTEN
ET AL.
(Whitten, et al., 1994)
1 / PRELIMINARY INVESTIGA-TION / PROBLEM RECOGNITION / INITIAL INVESTIGA-TION /
SYSTEM
2 / FEASIBILITY STUDY / FEASIBILITY STUDY / PLANNING
3 / ANALYSIS / ANALYSIS /
GENERAL / SYSTEM ANALYSIS
4 / DESIGN / DESIGN / SYSTEM
5 / IMPLEMENTA-TION / DESIGN / DETAILED DESIGN / DESIGN
6 / INSTALLATION / CONSTRUC-TION
CONVERSION / IMPLEMENTA-TION / SYSTEM IMPLEMENTA-TION
7 / maintenance / MAINTENANCE / SYSTEM AUDIT / system support
8 / ------/ ------/ ------/ ------