MBSE with CORE 100821

Defining Constraint Requirements

• Statements that limit your design options • Size, weight, power • Cost of target system • ilities (e.g., reliability, etc.) • Reuse • Trade-off criteria • The most common type of standards requirement • Captured using Requirements of Type Constraint

Document

documents

documents

documents

Requirement (Constraint)

Requirement (Functional)

Requirement (Performance)

specifies

basis of

specifies

Function

allocated to

Component

213

Defining Functional Requirements

• Statements of capability objectives • What the system must perform • What the system must be able to do • The most common type of user requirement • Captured using Requirements of Type Functional

Document

documents

documents

documents

Requirement (Constraint)

Requirement (Functional)

Requirement (Performance)

specifies

basis of

specifies

Function

allocated to

Component

214

MBSE with CORE