SE 310 Block 1 v2
the tangible outcome of systems engineering and analysis, whether human-made or
human-modified; human-made or modified system designed to meet functional purposes or
objectives - ANS-engineered system
the overall purpose of an engineered system based on the needs of the consumer -
ANS-functional purpose
a well-engineered system will be part of a hierarchy; a specific system will be a part of a larger
system - ANS-hierarchy
product standing alone is not an engineered system;
engineered system: bridge, construction subsystem, maintenance subsystem, operating and
support subsystem, phase out and demolition process
product: an item of equipment for use - ANS-system vs product
- ANS-prime equipment
the first stage of a system's life cycle. This stage includes problem definition, requirements
analysis, and evaluation of technology etc - ANS-conceptual design
the second stage of a system's life cycle. this stage includes early prototyping, contracting, and
program implementation etc - ANS-preliminary design
the third stage of a system's life cycle. This stage includes: subsystem/component design,
development of engineering and prototype models, developmental test and evaluation etc -
ANS-detail design
the fourth stage of a system's life cycle. This stage includes: production and construction of
system components, supplier production activities, system assessment etc -
ANS-production/construction
the fifth stage of a system's life cycle. this stage includes: system operation in the user
environment, system modification for improvement, field data collection and analysis etc -
ANS-operational use and support
the final stage of a system's life cycle. this stage involves halting the use of a system and
disposing of its parts - ANS-phase out/disposal
, - ANS-waterfall model of development
- ANS-vee model of development
- ANS-spiral model of development
- ANS-defense acquisition university (DAU) mode of development
putting known things together into new and more useful combinations; objective is meeting a
need in compliance with customer requirements
Elements: design team, supported by traditional and computer based tools, top down and
bottom up - ANS-synthesis
estimation and prediction of DDP values (TPMs) and determining or forecasting of DIP values
from information found in physical and economic databases - ANS-analysis
each candidate design should be evaluated against others and checked for compliance with
customer requirements; occurs after receiving DDP values for the candidate; it is specific values
for DDPs that differentiate candidate designs - ANS-evaluation
quantitative values (estimated, predicted, and/or measured) that describe system performance;
measures of the attributes and/or characteristics that are inherent within the design -
ANS-technical performance measure (TPM)
quantified and are the bases for the determination of TPMs; best determined by parametric
methods during conceptual design - ANS-design-dependent parameter (DDP)
- ANS-Design-Independent Parameter (DIP)
- ANS-design criteria
- ANS-baseline
- ANS-life cycle costs
- ANS-risk
first and most important phase of design; early and high level life cycle activity with potential to
establish, commit, and otherwise predetermine function, form, cost, and development schedule
of the desired system and its products - ANS-conceptual design
- ANS-requirements definition process
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