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Systems Development Process 5b Engineering Development Stage (Advanced…
Systems Development Process 5b Engineering Development Stage
Advanced Development Phase
It should be noted that all new system developments do not have to go through a
formal advanced development phase.
their characteristics can be reliably predicted,
hence the system development can proceed on to the engineering design
phase.
If all major subsystems are directly derivable from proven predecessor or
otherwise mature subsystems and
Migration from the Concept Definition Phase to the Advanced
Development Phase
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Deliverables for the Advanced Development Phase
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Activities for the Advanced Development Phase
Requirements Analysis
analysing the system functional specifications
with regard to their derivation from operational and performance
requirements
And the validity of their translation into subsystem functional requirement
identifying components requiring development
Functional analysis and Design.
analysing the allocation of functions to components and subcomponents and
identifying
performing analyses and simulations to resolve outstanding performance
issues.
Prototype Development
identifying issues of physical implementation especially with regards to
unproven technology
determine the level of analysis, development and test required to reduce
risks to acceptable values.
Development Testing and Validation
creating test plans and criteria
conducting tests of critical components
Deliverables for the Advanced Development Phase
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Engineering Design Phase
concerned with components part design and
fitability
This phase deals with:
producible within a prescribed and affordable cost
detailed consideration of the interface elements (both internal
and external)
fitting together of these parts to achieve an operating system that meets
the requirement analysis
The engineering design phase is where the design is first
fully implemented in hardware and software.
component parts design for reliability and maintainability among others
Migration from Advanced Development to Engineering Design
Phase
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Activities for the Engineering Design Phase
Functional analysis and Design.
analysing detailed user interaction modes
designing and prototyping user interfaces
analysing component interactions and interfaces and identifying design,
integration and test issues
Component Design
Implementing detailed hardware designs and software code after review and
Building prototype versions of engineered components
Laying out preliminary designs of all hardware and software components and
interfaces
Design Validation
Correcting deficiencies and
Documenting product design
Conducting test and evaluation of engineered components with respect to
functions, interfaces , reliability and producibility
Requirements Analysis
analysing the system design requirements for consistency and completeness
identifying requirements for all external and internal interactions and
interfaces
Deliverables for the Engineering Design Phase
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