Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > In open loop systema)The control action depen...
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In open loop system
- a)The control action depends on the size of the system
- b)The control action depends on system variables
- c)The control action depends on the input signal
- d)The control action is independent of the output
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In open loop systema)The control action depends on the size of the sys...
Answer: d
Explanation: In open loop system the output cannot be used to obtain the desired response and the control action is independent of the output.
Explanation: In open loop system the output cannot be used to obtain the desired response and the control action is independent of the output.
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In open loop systema)The control action depends on the size of the sys...
Open loop system
In an open loop system, the control action is independent of the output. The system does not have any feedback mechanism to correct or adjust the control action based on the output. The control action is determined by the input signal and the system parameters.
Characteristics of open loop system
1. No feedback mechanism: In an open loop system, there is no feedback mechanism to measure the output and adjust the control action.
2. Control action is based on input signal: The control action is determined by the input signal and the system parameters.
3. Simple design: The open loop system is simple in design and easy to implement.
4. Unstable: The open loop system is often unstable and may not produce the desired output.
Examples of open loop system
1. Automatic washing machine: In an automatic washing machine, the control action is based on the input signal, which is the selected washing program. The machine does not have any feedback mechanism to adjust the control action based on the output, which is the cleanliness of the clothes.
2. Traffic lights: Traffic lights work on an open loop system. The control action is based on the input signal, which is the time interval for each signal. The system does not have any feedback mechanism to adjust the signal timing based on the traffic flow.
Conclusion
In an open loop system, the control action is independent of the output. The system does not have any feedback mechanism to correct or adjust the control action based on the output. The control action is determined by the input signal and the system parameters. The open loop system is simple in design but often unstable and may not produce the desired output.
In an open loop system, the control action is independent of the output. The system does not have any feedback mechanism to correct or adjust the control action based on the output. The control action is determined by the input signal and the system parameters.
Characteristics of open loop system
1. No feedback mechanism: In an open loop system, there is no feedback mechanism to measure the output and adjust the control action.
2. Control action is based on input signal: The control action is determined by the input signal and the system parameters.
3. Simple design: The open loop system is simple in design and easy to implement.
4. Unstable: The open loop system is often unstable and may not produce the desired output.
Examples of open loop system
1. Automatic washing machine: In an automatic washing machine, the control action is based on the input signal, which is the selected washing program. The machine does not have any feedback mechanism to adjust the control action based on the output, which is the cleanliness of the clothes.
2. Traffic lights: Traffic lights work on an open loop system. The control action is based on the input signal, which is the time interval for each signal. The system does not have any feedback mechanism to adjust the signal timing based on the traffic flow.
Conclusion
In an open loop system, the control action is independent of the output. The system does not have any feedback mechanism to correct or adjust the control action based on the output. The control action is determined by the input signal and the system parameters. The open loop system is simple in design but often unstable and may not produce the desired output.
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