Front Cover; Design Problem Solving: Knowledge Structures and Control Strategies; Copyright Page; Table of Contents; List of Figures; Preface and Acknowledgements; Chapter 1. Introduction; 1.1 What is the Book About?; 1.2 Artificial Intelligence vs Traditional Computational Methods; 1.3 Generic Tasks: Expert Systems Beyond Rules and Frames; Chapter 2. A Framework for Design Problem Solving; 2.1 What is the Design Problem?; 2.2 What Kind of Space to Search?; 2.3 Information Processing Analysis of Design; 2.4 Implications of Above Analysis; 2.5 Classes of Design

Chapter 3. Expert System Architecture for Class 3 Design3.1 The Structure of a Class 3 Design Problem-Solver; 3.2 Design Agents; 3.3 DDB: The Design Data-base; 3.4 Other Agents; 3.5 The Action of a Class 3 Design Problem-Solver; 3.6 Inter-agent Communication; 3.7 Design Agent Action; 3.8 Plan Selection; 3.9 Summary; Chapter 4. Failure Handling in Routine Design; 4.1 Introduction to Failure-Handling; 4.2 Knowledge for Failure Handling; 4.3 Redesign Problem-solving; 4.4 An Overview of Failure Handling; 4.5 Design Agent Failure; 4.6 Failure-handling in Other Research; 4.7 Summary

Chapter 5. DSPL: A Language for Design Expert Systems5.1 Introduction; 5.2 Specialist Example; 5.3 Plan Example; 5.4 Task Example; 5.5 Step Example; 5.6 Constraint Example; 5.7 Redesigner Example; 5.8 Failure Handler Example; 5.9 Sponsor Example; 5.10 Selector Example; 5.11 Summary; Chapter 6. AIR-CYL: An Air CylinderDesign System; 6.1 An Instance of Class 3 design; 6.2 The AIR-CYL System; 6.3 The DSPL System; 6.4 The Design Data-base; 6.5 Summary; Chapter 7. Design Problem Solving:A Research Agenda; 7.1 Improvements to DSPL System Support; 7.2 Problem-solving in DSPL

7.3 Limitations of Class 3 Approach7.4 Directions for Design Research; 7.5 Conclusions; References; Appendix A: Design Trace; Appendix B: Design Trace with Step Redesign; Appendix C: Design Trace withTask Redesign; Appendix D: Plan Selection Trace; Appendix E: DSPL Syntax