COMPUTER AIDED PROCESS PLANNING

Submitted To:Amardeep Sir

Submitted By:Anugyaa Shrivastava

K12986(CS 2nd Sem)

CONTENTCONTENT.1WHAT IS CAPP.2PROCESS PLAN.3COMPUTER AIDS.4VARIANT CAPP.5GENERATIVE CAPP

METHODOLOGY.6DEVELOPING DECISION TABLES

Computer Aided Process Computer Aided Process PlanningPlanning

What is CAPPWhat is CAPP

Process PlanProcess Plan

Basic Process in developing Basic Process in developing a process plana process plan

Process Planning Process Planning ApproachesApproachesManual SystemsComputer Aids

◦Variant System◦Experimental Generative System

Manually Prepared Manually Prepared Process PlansProcess Plans

Computer AidsComputer Aids

Variant (Retrieval) CAPP Variant (Retrieval) CAPP MethodologyMethodology

Variant CAPPVariant CAPP

Generative CAPP Generative CAPP MethodologyMethodology

Knowledge based process Knowledge based process planningplanning

Kendall & Kendall 9-15

Decision Tables

• A table of rows and columns, separated into four quadrants• Conditions• Condition alternatives• Actions to be taken• Rules for executing the actions

Kendall & Kendall 9-16

Figure 9.8 The standard format used for presenting a decision table

Kendall & Kendall 9-17

Developing Decision Tables

• Determine conditions that affect the decision• Determine possible actions that can be taken• Determine condition alternatives for each

condition• Calculate the maximum number of columns in

the decision table• Fill in the condition alternatives• Complete table by inserting an X where rules

suggest actions• Combine rules where it is apparent • Check for impossible situations• Rearrange to make more understandable

Kendall & Kendall 9-18

Checking for Completeness and Accuracy• Four main problems

• Incompleteness• Impossible situations• Contradictions• Redundancy

Types of Decision TableTypes of Decision Table