6EE6.4 CONTROL SYSTEM COMPONENTS
 

1. ERROR SENSING DEVICES: Principle of operation of variable resistance, potentiometer, variable inductance & variable capacitance, synchros, synchro-differential transformer, Etransformer and induction resolver.

2. SERVOMOTORS: A.C. servomotor, D.C. servomotor field controlled & Armature controlled mode of operation of D.C. servomotor. Technogenerator and stepper motor.

3. ROTARY AMPLIFIER: D.C. generator as an amplifier. Amplidyne (Selsyn, Autosyn), Rotorol & Regulex.

4. MAGNETIC AMPLIFIER: Serial and parallel connection, self-saturated amplifier. Amplifier with feedback.

5. HYDRAULIC AND PNEUMATIC CONTROL COMPONENTS: Variable displacement pumps and motors, control values, actuators and amplifiers.

RECOMMENDED BOOKS:

1. R.K. Jaim Mechanical and Industrialk Measurements, Khanna Pub.

2. A.K. Sawhney:A course in Electrical and Electronic Measurements, Dhanpat Rai and Sons.

3. Bela G.Liptek:Instrumentation in process Industries.4 peter Harriot:Process control systems.

4. I.J. Nagrath:Control system Engineering, New Age Pub.