Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > In servo-system, the device used for derivati...
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In servo-system, the device used for derivative feedback is known as:
- a)Synchro
- b)Servomotor
- c)Potentiometer
- d)Tacho generator
Correct answer is option 'D'. Can you explain this answer?
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In servo-system, the device used for derivative feedback is known as:a...
Answer: d
Explanation: Tacho generator provides the derivative feedback when used in a servo system and it controls the speed of the servo-system by providing the value of the speed as feedback.
Explanation: Tacho generator provides the derivative feedback when used in a servo system and it controls the speed of the servo-system by providing the value of the speed as feedback.
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In servo-system, the device used for derivative feedback is known as:a...
Tacho Generator in Servo Systems
The tacho generator is an essential component in servo systems, particularly for providing derivative feedback. Below are key points explaining its role:
What is a Tacho Generator?
- A tacho generator, or tachometer, is a device that converts rotational speed into an electrical signal.
- It typically produces a voltage proportional to the speed of rotation.
Role in Derivative Feedback
- Derivative feedback is crucial for improving the responsiveness and stability of a servo system.
- The tacho generator measures the rate of change of the output position, allowing for real-time adjustments to the control input.
Why Use a Tacho Generator?
- Speed Measurement: It provides accurate feedback on the motor's speed, enabling precise control.
- Error Reduction: By incorporating speed information, it helps reduce errors caused by inertia and lag in the system.
- Dynamic Response: Enhances the dynamic response of the servo system, allowing it to quickly adapt to changes in command signals.
Comparison with Other Components
- Synchro: Primarily used for position feedback, not suitable for speed measurements.
- Servomotor: Actuates the system but does not provide speed information on its own.
- Potentiometer: Measures position but lacks the capability to provide velocity or acceleration data.
Conclusion
In conclusion, the tacho generator is vital in servo systems for providing derivative feedback. By measuring the speed of the motor, it enhances the performance and stability of the system, making it indispensable for effective control in electrical engineering applications.
The tacho generator is an essential component in servo systems, particularly for providing derivative feedback. Below are key points explaining its role:
What is a Tacho Generator?
- A tacho generator, or tachometer, is a device that converts rotational speed into an electrical signal.
- It typically produces a voltage proportional to the speed of rotation.
Role in Derivative Feedback
- Derivative feedback is crucial for improving the responsiveness and stability of a servo system.
- The tacho generator measures the rate of change of the output position, allowing for real-time adjustments to the control input.
Why Use a Tacho Generator?
- Speed Measurement: It provides accurate feedback on the motor's speed, enabling precise control.
- Error Reduction: By incorporating speed information, it helps reduce errors caused by inertia and lag in the system.
- Dynamic Response: Enhances the dynamic response of the servo system, allowing it to quickly adapt to changes in command signals.
Comparison with Other Components
- Synchro: Primarily used for position feedback, not suitable for speed measurements.
- Servomotor: Actuates the system but does not provide speed information on its own.
- Potentiometer: Measures position but lacks the capability to provide velocity or acceleration data.
Conclusion
In conclusion, the tacho generator is vital in servo systems for providing derivative feedback. By measuring the speed of the motor, it enhances the performance and stability of the system, making it indispensable for effective control in electrical engineering applications.
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In servo-system, the device used for derivative feedback is known as:a)Synchrob)Servomotorc)Potentiometerd)Tacho generatorCorrect answer is option 'D'. Can you explain this answer?
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