Lecture15_Requirements

Lecture15_Requirements - Model-Based Systems Engineering:...

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1 Click to edit Master subtitle style Model-Based Systems Engineering: Modeling Requirements Leon McGinnis Chris Paredis www.pslm.gatech.edu/courses www.omg.org/ocsmp
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2 Requirements in SysML SysML Diagram Structure Diagram Behavior Diagram Use Case Diagram Activity Diagram Internal Block Diagram Block Definition Diagram Sequence Diagram State Machine Diagram Parametric Diagram Requirement Diagram Modified from UML 2 New diagram type Package Diagram Same as UML 2 Revision by GIT; Original Source: OMG SysML Tutorial (June 2008). Reprinted with permission. Copyright © 2006-2008 by Object Management Group.
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3 Contents Motivation Requirements and Objectives What are requirements? How can we elicit requirements? Requirements in SysML Requirement Diagram Requirement Relationships Requirement Tables and Matrices
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4 "Vee" model by Forsberg and Mooz, 1992 Decomposition and Definition Integration and Verification Design Engineering Systems Design Systems Integration Requirements Definition; System Concepts System Spec.; Verification Plan Allocate Specs; Allocate Verification Assemble Subsys’s Subsys. Verification Sys. Integration; Sys. Verification Validate to User Requirements Time Context: The SE Vee Model
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5 Specify and Design System
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6 Mindset: Focus on Value Value Focused Thinking As designers we ultimately care about maximizing the profit of our corporation Our objectives should reflect this Requirements Should be limited to aspects of the system that ultimately determine value Distinguish clearly between system-level requirements and derived requirements
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7 Contents Motivation Requirements and Objectives What are requirements? How can we elicit requirements? Requirements in SysML Requirement Diagram Requirement Relationships Requirement Tables and Matrices
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8 Objectives and Requirements What is an objective?
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Lecture15_Requirements - Model-Based Systems Engineering:...

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