... steps and practices necessary to plan and implement
system analysis, design, and development strategy without sacrificing best practices objectives.
Part II System Design and Development Practices ... Support 57 4
48 Statistical Influences
on System Design 58 6
49 System Performance Analysis,
Budgets, and Safety Margins 59 7
50 System Reliability, Avail...
... Acquirer, and System Developers, you soon discover that one
person’s SYSTEM equates to another person’s SUBSYSTEM, and so forth.
The System Context and Integration Points
When a system is specified and ... Tier 3
Systems
Level 4 or Tier 4
Systems
Level 5 or Tier 5
Systems
Level 6 or Tier 6
Systems
Level 7 or Tier 7
Other
Organizational
Systems
Level 1 or Tier 1
System...
... Assess Mission and System
Performance.
Operation 13.0: Assess Mission and System Performance
Operation 13.0 Assess Mission and System Performance includes system capabilities and activi-
ties ... consist of actors
and lifelines as illustrated in Figures 2 .5 and 17.3.
• Actors Consist of entities at a given level of abstraction—such as SYSTEM, PRODUCT, and
SUBSYSTEM an...
... developed, and reviewed.
The System Specification Practices provide the cornerstone for our next topical discussion,
System Design and Development Practices.
System Design and Development Practices
The ... support, cost, schedule, and risk.
The System Design and Development Practices series consists of Chapters 34–46 and cover a
diverse range of system desi...
... technical represen-
tative, and the System Developer. This section introduces Specification Development Practices and
expands on the standard outline discussion in Chapter 28 System Specification.
When ... developers.
5. Specify the RIGHT solution space and system.
6. Adequately bound the solution space and OPERATING ENVIRONMENT.
7. Identify system threats and priorities....
... configured, and interfaced to respond to external stimuli and cues to achieve the
desired outcome-based responses.
2
SYSTEM
SYSTEM
SUBSYSTEM
A
SUBSYSTEM
A
SUBSYSTEM
B
SUBSYSTEM
B
SUBSYSTEM
C
SUBSYSTEM ... _101
CAP _102
CAP _103
CAP _104
CAP _1 05
CAP _106
CAP _107
CAP _108
CAP _109
CAP _110
CAP _111
CAP _112
REQ_48
REQ_49
REQ _50
REQ _51
REQ _52
REQ _53
REQ _54
REQ _55
REQ _5...
... distributions:
(50 .8)
Substituting f(t) from Eq. 50 .8 and R(t) from Eq. 50 .6 into Eq. 50 .7 yields Eq. 50 .9
(50 .9)
The result shown in Eq. 50 .9 illustrates that the hazard rate, h(t), for systems or ... overall system performance that forms the basis of our next topic, system
performance evaluation and analysis.
47 .5 SYSTEM PERFORMANCE EVALUATION AND ANALYSIS
Syste...
... Therefore, system specification, design, and development process decisions
and integrity are critical issues to the User, Acquirer, and System Developer.
706 Chapter 53 System Verification and Validation
Simpo ... A
PRODUCT B
Subsystem
B1
Subsystem
B3
Subsystem
B2
Subsystem
Simulation B3
Subsystem
Simulation B3
Subsystem
Simulation B2
Subsystem
Simulation B2
Subsystem
Si...
... Maintained 50 3, 7 85
As Produced 50 3
As Specified 50 3
As Validated 56 , 50 3
As Verified 56 , 260, 309, 50 3
Baselines 50 2
Defined 490
Developmental 61, 252 , 50 2, 50 3
Effectivity 3 35, 491, 497
Identification ... indicated the system is compliant
with the requirements. This point emphasizes the need for use case and scenario based tests and
55 .7 Common Integration and...