Discuss advantages and disadvantages of hydraulic actuator

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Sometimes either a PWM ac signal or a dc signal with a superimposed constant-frequency ac signal (or dither) is used to drive the valve actuator (torque motor) of a hydraulic actuator. What is the main reason for this? Discuss the advantages and disadvantages of this approach.

Reference no: EM131199740

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Discuss advantages and disadvantages of hydraulic actuator : Sometimes either a PWM ac signal or a dc signal with a superimposed constant-frequency ac signal (or dither) is used to drive the valve actuator (torque motor) of a hydraulic actuator. What is the main reason for this? Discuss the advantages and d..
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