The expected answers were:
(a) A closed-loop control system will carry out the desired control function when
- There is a feedback signal.
- The feedback signal is different from that of the reference signal.
(b
Appliance |
Control Type |
Electric fan |
Open Loop |
Electric cooker |
Open Loop |
Electric Iron |
Closed Loop |
TV remote control |
Open Loop |
(c) i The motor car being driven on a highway – closed loop(with driver constituting part of the loop).
Ii Aeroplane landing on autopilot – closed loop.