Exam Question
(a) Explain open loop contol system and closed loop control system with suitable examples (8)
(b) What are the merits and demerits of the two systems? (8)
Class 4 (4th Engineer)
MET
📅 May 2024
Reference Answer
### Part (a): Open-Loop and Closed-Loop Control Systems
#### 1. Open-Loop Control System
An open-loop control system, also known as a non-feedback system, is a type of control system in which the control action from the controller is independent of the process output or 'controlled variable'. The system operates on a time-base or a pre-determined sequence without measuring the actual output to verify if the desired result has been achieved.
**Operating Principle:**
#### 1. Open-Loop Control System
An open-loop control system, also known as a non-feedback system, is a type of control system in which the control action from the controller is independent of the process output or 'controlled variable'. The system operates on a time-base or a pre-determined sequence without measuring the actual output to verify if the desired result has been achieved.
**Operating Principle:**
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