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Process planning was traditionally considered as manufacturing preparation that provides manufacturing methods and operation instructions. When computer aided process planning (CAPP) was first attempted in the early 1960s [Neibel, 1965; Schenk, 1966], it emerged as a vital link between computer aided design (CAD) and computer aided manufacturing (CAM). Today process planning has become an important part in computer integrated manufacturing (CIM) environment [Zhang and Alting, 1993; Larsen, 1993; Gulesin and Jones, 1994] | 3 Multi-Level Decision Making for Process Planning in Computer-Integrated Manufacturing CIM Systems Zhengxu Zhao University of Derby 3.1 Introduction 3.2 Conventional Approaches to Process Planning The Variant Approach The Generative Approach 3.3 Description of Process Planning Problems Company Specific and Application Oriented Time Dependence Reactive Process Planning Alternative Process Plans Uncertainty The Critiques on Problems of Decision Making 3.4 Manufacturing Processes and In-Process Part Features The In-Process Part Features The Abstraction of Manufacturing Processes The Relationships between In-Process Features and Processes 3.5 The Part State Tree 3.6 Multi-Level Decision Making Based on Artificial Intelligence Multi-Level Decision Making Using Breadth First Search Method Multi-Level Decision Making Using Depth First Search Method Multi-Level Decision Making Using Hill Climbing Search Method Multi-Level Decision Making Using Least Cost Search Method Multi-Level Decision Making Using Path Removal Search Method Multi-Level Decision Making Using Node Removal Search Method Multi-Level Decision Making toward Optimal Process Planning 3.7 Multi-Level Decision Making Based on Fuzzy Set Theory Description of a Formal Fuzzy State Model Multi-Level Fuzzy Decision Making Based on the Fuzzy State Model Fuzzy Function Fuzzy Goals and Fuzzy Constraints Fuzzy Function Sf i f St Pt Fuzzy Goals G Fuzzy Constraints C 2001 by CRC Press LLC 3.8 Process Planning with Multi-Level Fuzzy Decision Making 3.9 Conclusions 3.1 Introduction Process planning was traditionally considered as manufacturing preparation that provides manufacturing methods and operation instructions. When computer aided process planning CAPP was first attempted in the early 1960s Neibel 1965 Schenk 1966 it emerged as a vital link between computer aided design CAD and computer aided manufacturing CAM . Today process planning has become an important part in computer integrated manufacturing CIM environment .
