CONTROL AND INSTRUMENTATION NQF Levels 3,4, 5 and 6
These tutorials are designed for students studying Control Systems and Instrumentation Systems in general
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INSTRUMENTATION SYSTEMS Level 3
OUTCOME 1 - SENSORS AND TRANSDUCERS Basic Measurement System Temperature Sensors Pressure Sensors Flow Sensors Level Sensors Force Sensors Position Sensors Speed Sensors
OUTCOME 2 - SIGNAL PROCESSORS AND RECEIVERS Signal Forms and Standards Signal Conversion Signal Processing and Conversion Digital - Analogue Conversion Signal Receivers Smart Instrument Systems
OUTCOME 3 - MODELS AND CALIBRATION Model of a Basic Instrument System Inputs and Outputs Errors in Instrument Systems Calibration of Instruments Systems Primary and Secondary Standards
SOLUTIONS TO SELF ASSESSMENT EXERCISES OUTCOME 1 OUTCOME 2 OUTCOME 3
PROGRAMMABLE LOGIC CONTROLLERS Level 3/4
TUTORIAL 1 NUMBERING SYSTEMS AND NUMBER PROCESSING Number Systems -Binary, Octal, Hex Conversion of Number Systems Binary Coded Decimal Manipulation, Shifting, Decrementing, Comparison ...
TUTORIAL 2 - PLC TERMINOLOGY Architecture- CPU, Memory, Testing, Programming Styles - Unitary, Modular, Rack Sensors - Input, Output Output Devices Selection Criteria - Safety, Cost etcetera
TUTORIAL 3 - PROGRAMMING METHODS Human Computer Interfaces Monitoring and Controlling Programming Methods - Labels, Tags etc. Low Charts, Ladder Diagrams, Timers, Counters, Instructions etc. Testing and Debugging Installation and Commissioning Safety Notes
TUTORIAL 4 - COMMUNICATION MEDIUM Analogue/Digital Networks, Multiplexers Protocols, Transmission Medium Serial Plugs and Sockets Transmission Standards Opto Isolators
TUTORIAL 5 - PICs and SIMULATORS Microcontrollers Peripheral Interface Controllers Simulators Programming with a Computer
TUTORIAL 6 - PID CONTROL Explanation of PID or 3 term Control 3 Term Control PID Proportional, Integral and Derivative Control Digital PID Control Types of Control Systems
MODEL ASSIGNMENTS
MODEL ASSIGNMENTS ASSIGNMENT 1 ASSIGNMENT 2 ASSIGNMENT 3 ASSIGNMENT 4
PLANT PROCESS CONTROL
TUTORIAL 1 - PROCESS CONTROL CONCEPTS Basic Elements and Theory Types of Controllers Transfer Functions Process Control Units
TUTORIAL 2 - MODES OF CONTROL On Off Two Step Control Continuous Control Proportional Gain The Use of PCUs for Proportional Control Proportional Band Problems and Solutions Instability, Integral and Differential Control PID Control
TUTORIAL 3 - ADVANCED PROCESS CONTROL SYSTEMS Prog Logic Controller-Intelligent Electronic Devices-Analogue Digital- Multiplexers-Modems-Remote Terminals-Human Machine Interface Networks-Distributed-Heirarchy-SCADA Advanced Control-Cascade-Feed Forward
TUTORIAL 4 - TUNING METHODS AND OPTIMISATION Setting Up a PCU Reaction Curve Zeigler Nichols Method Closed Loop Method Open Loop Method Bumpless Transfer Self Tuning Controllers
TUTORIAL 5 - REGULATING UNITS Valve Body Types Characteristics-size and Flow Coefficient Valve Trim Types of Pneumatic Actuators Electric Actuators Positioners - Digital
worked solutions for all the self assessment exercises
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CONTROL SYSTEMS ENGINEERING Level 5/6
TUTORIAL 1 - MODELS OF ENG. SYSTEMS Mathematical Models Fluid Power Models Mechanical Models Thermal Models Electrical Models Analogues First and Second order Systems Open and Closed Loop Systems
TUTORIAL 2 - ELECTRIC ACTUATORS Advantages and Disadvantages. A.C. and D.C. Actuators Stepper Motors Field Control Armature Control Linear Actuators Starting Heavy Motors D.C.Servo Motors
TUTORIAL 3 - TRANSFER FUNCTION MANIPULATION Open and Closed Loop Negative Feedback Manipulation of Transfer Functions Velocity Feedback Feedback Transfer Functions Counteracting Disturbances Proportional and Derivative Feedback. Reducing Complex Systems to a Single Transfer function
TUTORIAL 4 - FIRST ORDER SYSTEM RESPONSE On Off System Response The Standard 1st Order Transfer Function. Standard Time Dependant Inputs Linear and LinearTime Invarient Systems Response to Step Input. Response to Velocity (Ramp) Input. Response to Sinusoidal Input. The Overall Gain of a System Use of Partial Fractions
TUTORIAL 5 - SECOND ORDER SYSTEM RESPONSES The Standard 2nd Order Transfer Function. Forms of the Standard Equation Response to Step Input. Response to Velocity (Ramp) Input. Response to Sinusoidal Input. d.c. gain Steady State Error Pole Positions of the Standard Equation Root Locus Plot of the Standard Equation.
TUTORIAL 6 - SINUDOIDAL RESPONSES Fourier Transform for Harmonic Response. Basic Polar Plots of Transfer Functions. Time Response for 1st and 2nd Order Systems. Polar Plots for 1st and 2nd Order Systems.
TUTORIAL 7 - STABILITY ANALYSIS Nyquist Diagrams Gain and Phase Margins. Bode Diagrams
TUTORIAL - 8 STABILITY ANALYSIS and s PLANE Poles Zeros and Roots Root Locus Diagrams. Routh-Hurwitz Criterion of Stability.
TUTORIAL 9 - OPEN AND CLOSED LOOP LINKS Polar Plot Links M and N Contours Bandwidth Nichols Diagrams
TUTORIAL 10 -MATCHING RESPONSES TO A SECOND ORDER SYSTEM Parameters for a Step Response. Settling, Rise and Peak Time. Overshoot Parameters for a Harmonic Response Peak Magnification,Resonant Frequency, Damping Ratio Matching Parameters with Higher Order Systems Use of Nichols Chart to determine Parameters.
TUTORIAL 11 -CONTROL ACTION Proportional, differentialand Integral Zeigler Nichols Method of Tuning Dynamic Compensation Lead and Lag Terms
TUTORIAL 12- DIGITAL SYSTEMS Numerical Alorithms Principles of Incremental Control Three Term Control Dynamic Compensators Sampling and Processing The z Transform
TUTORIAL 13 - STABILTY OF VALVES ANALOGIES Fluid Resistance Fluid Capacitance Fluid Inertance Models of the above Fluid Springs and Dashpots Dynamic Stability of Valves and Systems Closed Loop Model Valve Dynamics Pipe Line Dynamics Lumped and Distributed Parameters
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