Systems Engineering and Management

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Contents of this Part

• Systems Engineering STEM Overview (Bill Schindel)
• Model-Based Systems Engineering (MBSE) (Caitlyn Singam and Jeffrey Carter)
• Life Cycle Terms and Concepts (Mike Yokell) (David Endler and Garry Roedler)
• Development Approaches (David Endler) (Mike Yokell and Garry Roedler)
• Agile Systems Engineering (Rick Dove, Kerry Lunney, Michael Orosz, and Mike Yokell)
• Life Cycle Model Selection and Adaptation (David Endler) (Mike Yokell and Garry Roedler)
• Process Concepts (David Endler) (Mike Yokell and Garry Roedler)
• Process Selection and Tailoring (David Endler) (Mike Yokell and Garry Roedler)
• Technical Management Processes (Ray Madachy and Garry Roedler)
• System Concept Definition (Tami Katz) (Lou Wheatcraft, Mike Ryan, Garry Roedler, and Rick Adcock)
• System Requirements Definition (Tami Katz) (Lou Wheatcraft and Mike Ryan)
• System Architecture Design Definition (Jeffrey Carter and Caitlyn Singam)
• System Detailed Design Definition (Alan Faisandier and Rick Adcock)
• System Analysis (Alan Faisandier and Ray Madachy) (Rick Adcock)
• System Realization (John Snoderly and Alan Faisandier) (Rick Adcock)
• System Implementation (John Snoderly and Alan Faisandier)
• System Integration (John Snoderly, Alan Faisandier, and Scott Jackson)
• System Verification (John Snoderly and Alan Faisandier)
• System Transition (Scott Jackson and Brian Gallagher)
• System Validation (Alan Faisandier) (Rick Adcock)
• System Operation (Scott Jackson and Brian Gallagher) (Leopoldo deCardenas)
• System Maintenance (Scott Jackson and Brian Gallagher) (David Dorgan)
• Systems Engineering Standards (Garry Roedler) (Bill Bearden, David Endler, and Mike Yokell)

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• Lead Authors:
• David Endler and Mike Yokell

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Systems Engineering and Management (SE&M) articles provide system lifecycle good practices for defining and executing interdisciplinary processes to ensure that customer needs are satisfied with a technical performance, schedule, and cost compliant solution. The figure below depicts the context of SE&M processes and practices guidance within the SEBoK.

Figure 1: SEBoK Part 3 SE&M Context [SEBoK Original] for more detail see Structure of the SEBoK

The SE&M materials are currently being updated to better align with international standards.

SE&M Knowledge Areas

The SE&M articles are organized into the following Knowledge Areas [KAs].

• Life Cycle Terms and Concepts
• Development Approaches
• Agile Systems Engineering
• Life Cycle Model Selection and Adaptation
• Technical Management Processes
• System Concept Definition
• System Architecture Design Definition
• System Maintenance
• Systems Engineering Standards

The SE&M articles provide exemplary processes and practices which can be adapted by an engineering organization to satisfy strategic business goals and individual project objectives including:

• How engineering conducts system development
• The purpose of each engineering artifact generated
• How systems are integrated, and requirements verified
• How new product designs are transitioned to production operations
• How the resulting system is employed and sustained to satisfy customer needs

Part 3A - Life Cycle Concepts

A life cycle is the evolution of a system, product, service, project or other human-made entity from conception through retirement. There are various approaches to properly manage the progression of the system of interest through its life cycle stages as well as the planning for the other stages. In general, the approaches can be roughly divided into sequential, incremental and evolutionary approaches. Agile systems engineering is a principle-based method for designing, building, sustaining, and evolving systems when knowledge is uncertain and/or environments are dynamic. Life cycle models serve as essential frameworks that guide the development and management of systems and services throughout their existence. Tailored to organizational needs, these models help align projects with strategic goals while accommodating industry regulations and internal diversity. Life cycle models and development approaches can be selected and adapted to meet specific needs.

Knowledge Areas

The Part 3A - Life Cycle Concepts articles are organized into the following Knowledge Areas [KAs]:

• Knowledge Area – Life Cycle Terms and Concepts
• Knowledge Area – Development Approaches
• Knowledge Area – Agile Systems Engineering
• Knowledge Area – Life Cycle Model Selection and Adaptation