Model-Based Systems Engineering with GENESYS

GENESYS System Definition Language

SDL is an Extended Natural Language in ERA Format

GENESYS Language

English Equivalent

GENESYS Example

• Requirement Accept Requests • Function Accept And Format Request • Component Command Center Subsystem • Requirement basis of Functions • Functions are allocated to Components

Class / Entity Common Noun / Particular Noun

Relationship Verb

Attribute

Adjective

• Description • Number

Resource consumed by Function • Amount • Acquire Available (hold partial)

Attribute of Relationship

Adverb

Structure

N/A

• Viewed as Enhanced FFBD or FFBD

45

A Partial SE Example

DOCUMENT

documents (documented by)

documents (documented by)

• Number • Description • Type

COMPONENT

REQUIREMENT • Number • Description • Type • Origin

specifies (specified by)

• Number • Description

• Type • Cost

FUNCTION

• Number • Description • Duration • Exit Logic

performs (allocated to)

specified by (specifies)

46