Systems Engineering Glossary
A matrix or similar graphical representation that identifies and defines the interface relationships between entities.
|Operational Concept (OPCON)||
A clear and concise description of how a system will function in practice.
|Operational Readiness Review|
|Operations and Maintenance (O&M)|
The lowest level of separately identifiable items that cannot be disassembled without destruction or impairment.
An independent evaluation of project deliverables by those with appropriate skills who are not responsible for the effort.
A quantitative measure of physical or functional attribute’s response during the exercise of a process, function, activity, or task.
The measure of effectiveness for each alternative.
A description of how well a product or system satisfies a need without regard to how it is accomplished.
|Physical Configuration Audit (PCA)||
A physical examination of a project’s artifacts to verify that the “as built” Configuration Items conform to the “build to “ documentation that defines them.
A workflow diagram that depicts activity sequences with all predecessor and successor activities.
|Preliminary Design Review (PDR)|
Actions that must complete prior to starting an event or progressing to the next phase or activity.
Actions performed on a regular basis to lesson the likelihood of a system component failure.
Any anomaly determined not to be a failure, but significant enough to warrant recording.
A series of steps or actions to transform inputs into outputs.