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.