Analysis and Design of Hierarchical Control Systems: With Special Reference to Steel Plant OperationsTheodore Joseph Williams Of the major current developments in industrial plant computer control systems, many are in the area of developing total plant control systems with a hierarchy of computers. This book describes the implementation of such a system using the steel mill as an example. It thoroughly outlines the functional tasks which must be accomplished at each level of the computer system hierarchy. It specifies all of the process variables which need to be sensed and the control actuators to be adjusted to achieve dynamic control of the mill. The higher level functions required for overall production scheduling and process management are also specified. It also gives detailed specifications for the overall computer system required to carry out the above tasks, including quotations from two major computer control system manufacturers for implementing this system with their products. The book will be invaluable for all process and production control personnel in the steel industry and corresponding companies producing equipment for this use. It will also be useful for those in other industries who could use the steel industry system as an example for a similar development in their own industry. |
Contents
Introduction | 2 |
The Example Plant | 8 |
Personnel Relationships in | 22 |
Copyright | |
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Analysis Anneal Applied Industrial Control BAND INVENTORY BLAST FURNACE Boiler House CHAPTER Coil Storage COKE OVENS COLD BAND Colin L COMPUTER CONTROL SYSTEM COMPUTER SYSTEM Cont CONTINUOUS CASTING CONTROL AND SUPERVISION CONTROL COMPUTER CONTROL LEVEL COMPUTER CONTROL OUTPUTS Conveyor Coolant Crane DIRECT CONTROL TASKS distributed computer DISTRIBUTION SYSTEM Electric Furnace EXAMPLE STEEL MILL FIGURE Flow Rate functions Goal Programming HEAT HIERARCHICAL COMPUTER CONTROL HIERARCHY Hot Band Hot Metal HOT MILL HOT ROLLING Ingot INPUT DATA INTERFACE INVENTORY CONTROL LEVEL job stream Ladle LEVEL 4A LIQUID FUEL COLLECTION master scheduling Mixer Model MODULAR TASKS Mold Monitoring ON-LINE VARIABLES Operation Optimization OVERALL Oxygen PICKLING LINE PLAIC Position PROCESS COMPUTER PROCESS CONTROL programs Purdue Laboratory Purdue University Raw Material REHEAT FURNACE Report Number SENSOR SINTER PLANT SLAB INVENTORY Slabbing Mill Soaking Pit Speed Spray STOCK HOUSE Stove SUPERVISORY LEVEL COMPUTER SUPERVISORY UNIT TEMP Temperature Tundish UNIT CONTROL Valve West Lafayette