IT-5928 LVDT Transducer Trainer

Experiments Included:

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

Wheatstone Bridge Measurement

• Basics of Wheatstone Bridge circuit for resistance measurement.
• Describe the term “null balance”.
• Calculation of an unknown resistance from the Bridge values at balance
• Factors affecting the resolution and accuracy of measurements
• Discuss the reason for the three-wire resistance circuit

Linear Position or Force Applications

• Construction, principal and characteristics of a Linear Variable Differential Transformer (LVDT)

Signal Conditioning Amplifier

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

Comparators, Oscillators and Filters

• Characteristics of a 40KHz oscillator
• Characteristics of 40KHz Filter