Learning Objectives
5 objectives- Understand fundamental concepts and importance of process control and instrumentation in industrial settings.
- Identify and explain various types of control systems and feedback mechanisms.
- Recognize and describe different sensors, transducers, and measurement instruments used in process control.
- Analyze process control strategies and their applications in maintaining process stability.
- Appreciate safety instrumented systems and the role of control room operations with HMIs.
Content Outline
PreviewUnit 1968: Process Control and Instrumentation
1. Introduction to Process Control and Instrumentation
- Definition of process control
- Importance in industries (chemical, manufacturing, oil & gas, pharmaceuticals)
- Role of instrumentation in monitoring and regulation
- Overview of process variables (temperature, pressure, flow, level)
2. Control Systems and Feedback Loops
- Types of control systems
- Open-loop systems: characteristics and examples
- Closed-loop systems: characteristics and benefits
- Feedback loops
- Definition and importance
- Components of feedback control: sensor, controller, actuator
- Stability and efficiency in processes
3. Sensors and Transducers
- Definition and difference between sensors and transducers
- Types of sensors by measured variable
- Temperature sensors
- Pressure sensors
- Flow sensors
- Level sensors
- Principles of operation
- Electrical, mechanical, thermal, optical principles
- Applications in process control
4. Control Valves and Final Control Elements
- Definition and role as final control elements
- Types of control valves
- Globe valves
- Ball valves
- Butterfly valves
- Diaphragm valves
- Valve characteristics
- Linear, equal percentage, quick opening
- Selection criteria
- Process requirements, fluid properties, operating conditions
- Importance in regulating fluid flow
5. Process Control Strategies
- Overview of control strategies
- Proportional-Integral-Derivative (PID) control
- Components and tuning
- Applications and examples
- Feedforward control
- Principle and benefits
- Cascade control
- Concept and implementation
- Comparison of strategies and appropriate use cases
6. Instrumentation for Temperature Measurement
- Temperature measurement importance
- Instruments and techniques
- Thermocouples: types, working principle, advantages
- Resistance Temperature Detectors (RTDs): types, operation
- Thermistors: characteristics and applications
- Infrared sensors: non-contact measurement
- Calibration and maintenance
7. Instrumentation for Pressure Measurement
- Pressure measurement fundamentals
- Devices
- Pressure gauges: bourdon tube, diaphragm, capsule
- Pressure transmitters: operation and types
- Pressure switches: use in control systems
- Application examples in industry
8. Instrumentation for Flow Measurement
- Importance of flow measurement
- Techniques and instruments
- Flow meters: electromagnetic, turbine, positive displacement
- Orifice plates: principle and installation
- Ultrasonic flow meters: operation and advantages
- Selection considerations
9. Safety Instrumented Systems (SIS)
- Definition and purpose
- Importance in accident prevention
- Components of SIS
- Sensors, logic solvers, final control elements
- Design principles
- Safety Integrity Level (SIL)
- Redundancy and fail-safe design
- Implementation and maintenance best practices
10. Control Room Operations and Human-Machine Interface (HMI)
- Role of control room operators
- Design principles of HMIs
- Usability and ergonomics
- Display types and controls
- Effective communication and decision-making
- Case studies of control room operations
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