FAST METHODFunction Analysis System Technique

CONTENTS

What is FAST diagram ?How to use a FAST diagram ?An example FAST diagram

FAST METHOD

It is a tool in reverse engineeringUsed to define , analyze & understand

product FUNCTIONSUsed to display FUNCTIONS in a logical

sequence

WHAT IS A FUNCTION ?

Function is an Active verb followed by a Measurable noun

e.g. produce torque , generate light There are different types of functions

TYPES OF FUNCTIONS

1. Higher Order Functions The societal reasons of “Why” a project is being done . Listed to left of the left scope line on a FAST diagram

2. Basic Functions Describes the primary reason a project is being done

3. All the Time Functions (also called “Required Secondary Functions”) Any function that is required to meet codes, standards, or other mandatory requirements on a project

4. Secondary Functions Those functions that if removed from the project, then both the Basic and Secondary functions could still be realized. Examples of where too much money is devoted to secondary functions

HOW TO ANALYZE FUNCTIONS ?

LEGENDS

LEGENDS

LEGENDS

CASE STUDY

FAST MODEL FOR OHP

REFERENCE

• Product design by Kevin otto & Kristin wood

• Internet (SAVE)

THANK YOU