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Process Measurement and Control Process Measurement and Controlby Roy E Fraser
Synopses & Reviews
This book is an excellent text for students in automatic control systems and is a useful reference for those working in the industry. It focuses on the functions of process control for industrial applications: sensing (measuring) process variables, communicating the sensed data to a central analyzer, deciding on a tactic to adjust the process, and actual adjustment of the process.
Design, operation, and maintenance procedures are described. Design procedures include the selection of hardware and software, as well as applications to improve production and reduce costs. Operational procedures include monitoring the presented and recorded data to confirm satisfactory process operation, monitoring the achievement of cost goals, and ensuring that backup equipment functions correctly. Maintenance procedures include calibration of equipment, monitoring the effects of the environment on the system, and repairing equipment.
Book News Annotation:
A textbook for one-semester lecture courses or self-study for students planning careers as measurement and control technicians, technologists, and engineers. Fraser (Humber College of Applied Arts and Technology) assumes a minimum mathematics background of algebra, trigonometry, plane geometry, and complex variables; electricity and electronics to the level of analyzing circuits for current, voltage drops, and impedances and using ammeters, voltmeters, and oscilloscopes to troubleshoot a circuit; and a basic expertise in using computer spreadsheets, word processors, and CAD programs. He includes laboratory exercises.
Annotation c. Book News, Inc., Portland, OR (booknews.com)
This book is for readers learning automatic control systems, focusing on a classic process loop with its four major blocks: the measuring sensor block, the controller block, the process adjustment block, and the process block.<P>Design procedures include the selection of measuring sensors and control valves, illustrating to readers how sensors concentrate on the measurement of temperature, pressure, flow rate, level, and analysis of humidity and electrolytic conductivity. Chapter 1, Introduction to Process Measurement and Control, focuses on the process control loop using ISA symbols and block diagrams providing readers with easy reference of ISA symbols in typical Process and Instrumentation Diagrams. Question and problem sets end each chapter helps readers to review and reinforce material discussed. Suggested practical lab assignments are provided at end of each chapter.
Table of Contents
1. Introduction to Process Measurement and Control.
Process Measurement and Control Defined. Investment. Continuous and Discrete Process Control Loops. The Process Block of a Control Loop. The Measuring Sensor Block of a Control Loop. The Controller Block of a Control Loop. The Process Adjustment Block of a Control Loop. The Signals Circulating Around a Control Loop.
2. Measuring Sensors.
Calibration. Process Variables and Selection of Sensors. Temperature. Pressure. Flow. Level. Force and Weight. Analysis (Chemical) Variables. Electric Power Industry Variables. Other Sensors. Dynamic Calibration.
3. Presentation of Data.
Pressure Gauge. Multipoint Strip Chart Recorder. Single-Loop Flow Recorder. Computer Acquisition System. Overview Display. Group Display. Point Display. Trend Display. Hourly Average Display. Alarm Summary Display. Presentation Summary.
4. Data Communications
Introduction. Media. Analog Format. Digital Format. Environment. Networks.
5. Process Adjustment.
Liquid Flow Adjustment. Gas Flow Adjustment.
Introduction to the Controller of the Control Loop. Loop Stability. Proportional Control. Proportional Plus Integral Control. Porportional Plus Intergral Plus Derivative Control. Loop Tuning. Ratio Control Cascade Control.
ISA Symbols and Templates for Calibration Certificates and Graphs.
Control Valve Bodies, Actuators, Positioners, and Accessories.
Answers to Selected Problems.
ASCII Symbols and Codes.
Piping and Fittings.
Thermocouple and RTD Tables.
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