Artificial Intelligence in Process Engineering

Contributors

Preface


1. Qualitative Modeling of Chemical Reaction Systems

Abstract


1. Introduction


2. The QSIM Algorithm for Qualitative Simulation


3. Building Qualitative Models of Reaction Systems


4. Partial Quantitative Knowledge in Qualitative Models


5. Discussion

Acknowledgment

Appendix: Curvature Constraint Derivations

References


2· Use of Qualitative Models in Discrete Event Simulation to Analyze Malfunctions in Processing Systems

Abstract


1. Introduction


2. The Problem


3. Modeling and Simulation Background


4. CONFIG Implementation and Examples


5. Conclusions and Future Work

Acknowledgment

References


3. An Expert System for Diagnosis of a Sequential, PLC-Controlled Operation


1. Introduction


2. Programmable Logic Controllers


3. The Dead Operating State Diagnostic Scenario


4. Diagnosis


5. Diagnostic Methods


6. Expert System Development


7. General Aspects of the Expert System: "WRAPITUP"


8. Discussion and Summary

Acknowledgments

References


4. Fault Detection and Diagnosis Using Artificial Neural Networks

Abstract


1. Introduction


2. Characteristics of Artificial Neural Networks


3. ZNL Architecture


4. Fault Detection and Diagnosis Examples


5. Conclusion

References


5. A Modular Approach to Multiple Faults Diagnosis

Abstract


1. Introduction


2. Shallow Versus Deep Knowledge


3. The Model-Based Approach


4. Multiple Faults Diagnosis


5. Other Approaches


6. Divide and Conquer (MFD2)


7. Conclusions

References


6. Modeling Real-World Processes: Deep and Shallow Knowledge Integrated with Approximate Reasoning in a Diagnostic Expert System


1. Introduction


2. Overview


3. The Scenario


4. A Real-World Domain: The Power Plant


5. The Plant Model


6. The Diagnostic Expert System


7. Conclusions and Future Work

Acknowledgments

References


7. XIMKON—An Expert Simulation and Control Program

Abstract


1. Introduction


2. Control System Design Process


3. XIMKON


4. Expert Process Modeling


5. Expert Controller Design


6. Conclusion

Acknowledgments

References


8. Exothermic Batch Chemical Reactor Automation Via Expert System

Abstract


1. Introduction


2. Review


3. The Generalized Batch Reactor Control Problem


4. An Expert System Approach


5. Associated Conventional Control Strategies


6. Testing by Simulation and Follow-Up of Control Logic


7. Future Goals and Directions

Acknowledgments

Nomenclature

References


9. Design of Protein Purification Processes by Heuristic Search

Abstract


1. Introduction


2. Approaches to Design


3. BioSep Designer


4. Conclusion

References


10. An Adaptive Heuristic-Based System for Synthesis of Complex Separation Sequences

Abstract


1. Introduction


2. Problem Specifications


3. Knowledge Representation Strategy


4. Reasoning Strategy


5. Adaptation Mechanism


6. Example


7. Discussion and Conclusion

Acknowledgment

Appendix A: Quantitative Expression for the Term "Vary Widely"

Appendix B: Fuzzy Membership Function Representing the Antecedent of Rule 2.9

Appendix C: Pattern Recognition for Stream Division or Separation

References

Other Suggested Readings

Index