• Feedback control of light intensity
• Study of inherent non-linearties- sensor, lamps
• PI control
• Dynamic response display

Experiments & specifications

• Characterization of light panel and light sensor blocks
• Study of a practical single loop feedback control system which includes :
  • Disturbance study
  • Error monitoring
• Performance improvement through P-I control
• Evaluation of dynamic behaviour
• Seven lamps 6V/300mA
• 5 Hz square wave and triangular wave for dynamic response study
• Switch selectable PI-Controller
• Built-in 3.5 digit DVM
• Built-in IC regulated power supplies
• 220 +/- 10%, 50 Hz mains operation
• Detailed literature and patch cords include

• To study of potentiometer as error detector element
• Two Full 360 degree rotation servo- potentiometers with 1 degree resolution
• IC regulated DC excitation for both potentiometers
• AC excitation at 400 Hz approx.
• Built in demodulator circuit
• 3.5 digit DVM for carrying measurements
• IC regulated power supply for rest of the circuitry
• Complete with instruction manual and patch cords, 220V mains operated.

• Study of lag, lead and lag-lead
• Second order simulated systems
• Study of All pass filter
• Lag, lead and lag - lead compensating circuits
• Gain compensating amplifier with calibrated dial
• Signal sources
• Sine wave : Continuously variable in two decades (10-1000 Hz) with 0-8 Vpp amplitude
• Digital phase angle meter 0-180 degree (optional)
• Complete with patch cords and detailed literature, 220V mains operated.