System Engineering, Answer the following questions.

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*Why is the definition of system operational requirements important? What type of information is included?

•What specific challenges exist in defining the operational requirements for a system-of-systems (SOS) configuration? What is meant by interoperability? Provide an example.

•What is meant by a common function in the functional analysis? How are common functions determined?

•Why is the development of technical performance measures (TPMs) important?

•Why is it important to define specific mission scenarios (or operational profiles) within the context of the system operational requirements?

*Pick a top-level requirement and decompose it in accordance with the structure shown in Figure 2.7

*Pick up a design consideration at the lowest level in Figure 2.8. Discuss its position and impact on each of the next higher levels.


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Figure 2.8 A hierarchy of system design considerations. System Value (Cost-Effectiveness) First-Order Consideration Economic Factors (System Life-Cycle Cost) Technical Factors (System Effectiveness) Second-Order Considerations • Research and development cost • Production/investment cost • Operation/utilization cost • Maintenance and support cost • Retirement and disposal cost • Performance • Operation availability • Dependability • Producibility • Interoperability Supportability • Sustainability • Disposability Third-Order Considerations • Applied Research cost • Design and development cost • Data and information cost • Subcontractor cost • Fabrication cost • Test and evaluation cost • Operating overhead cost • Maintenance cost • Disposal cost • Size, weight, and shape • Speed of performance • Reliability • Maintainability • Ergonomics • Safety • Flexibility (adaptability) • Pollutability • Others Fourth-Order Considerations • Accessibility • Operator visibility • Displays and Controls • Energy consumption • Facilities utilization • Handling and storage • Interchangeability • Inventory support • Labeling and marking • Logistic lead-line • Mounting • Packaging • Personnel skills • Security • Serviceability • Shelf life/storage Testability/diagnostics • Transportability • Utilities • Others Fifth-Order Considerations Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall Figure 2.7 Decomposing system design requirements. Definition of Need System Level Requirements Analysis (Reference: Figure 2.4, Block 0.1) • Feasibility analysis • Operational requirements • Maintenance and support concept • Measures of effectiveness (technical performance measures) Design Evaluation • Identification of design-dependent parameters (DDPs) . Analysis and trade-off studies • Synthesis and evaluation of alternatives - Feedback Subsystem Level Requirements Analysis (Reference: Figure 2.4, Blocks 1.1 and 1.2) • Functional analysis and allocation • Measures of effectiveness (technical performance measures) Design Evaluation • Decomposition of DDPS • Analysis and trade-off studies • Synthesis and evaluation Copyright © 2011 Pearson Education, Inc. publishing as Prentice Hall
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Running head: SYTSTEM ENGINEERING: OPERATIONAL REQUIREMENTS

System Engineering: Operational Requirements
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SYSTEM ENGINEERING: OPERATIONAL REQUIREMENTS
Why definition of system operational requirements is important and the
information included
System operational requirements are important because they cite the physical and
functional capabilities of any system, the methodology for measuring performance & efficiency,
the deficiencies, evolving technological advancements for future improvement additional
requirements, system cost improvements and the general processes that tend to produce desired
results according to the overall purpose of the system. The information included in an
operational requirement consists of the general Concept of Operations (CONOPS), detailed
performance assumptions, constraints, deficiencies of the system (future enhancements) and
evaluation techniques ("Operational Requirements", 2018).
Challenges that exist in defining operational requirements for SOS configuration
What sets apart and SoS from a single system is the amalgamation o...


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