Experiments:

Basic Control Systems Equipment and Terms Used

• Study the difference between open loop and closed loop systems
• Expression for the overall gain of a negative feedback closed loop system
• Calculation of overall gain of a negative feedback closed loop system from given information
• Basic components of a closed loop system and explain their functions
• Meaning of terms associated with control system equipment

Positional Resistance Transducers

• Basic construction of rotary and slider variable resistors
• State that the resistance section may be either a carbon track or wirewound
• Characteristics of output voltage against variable control setting
• Comparison of a carbon track variable resistor to the wirewound type

Display Devices

• Characteristics and application of the Timer/Counter
• Characteristics and application of the Moving Coil Meter
• Calculate the requirement to extend the voltage range of a Moving Coil Meter
• Selection of a suitable device for a particular voltage measurement

Signal Conditioning Amplifier

• Characteristics and application of DC amplifiers
• The term “Offset” and the need for offset control
• Characteristics and application of a power amplifier
• Characteristics and application of an inverter amplifier
• Characteristics and application of a differential amplifier

Mathematical Operations using OP AMPS

• Characteristics of a summing amplifier
• Characteristics of an integrator
• Characteristics of a differentiator
• Characteristics and application of a “sample and hold” circuit

Rotational Speed and Position Measurements

• Slotted Opto Transducers for Counting and Speed Measurement
• Construction, Principles and Application of a Tacho-Generator to Speed Measurement
• Characteristics of a positional control system having:
• Proportional
• Proportional + integral
• Proportional + derivative
• Proportional + integral + derivative control
• Characteristics of a speed control system

IT-5933 Trainer introduces students to input and output transducers related to speed, position and rotation, signal conditioning circuits and display devices through a wide range of practical activities. The study module includes transducers and instrumentation trainer and a curriculum manual.