Re design the system below into Closed-loop control of the speed of a turntable. Draw the block diagram model. (a) Open-loop (without feedback) control of the speed of a turntable. (b) Block diagram model. Desired speed (voltage) Battery Hilt Speed setting Control device Amplifier DC amplifier Actuator DC motor Turntable Speed DC motor Process Turntable Actual speed (b) To obtain disk rotation, we will select a DC motor as the actuator because it provides a speed proportional to the applied motor voltage. For the input voltage to the motor, we will select an amplifier that can provide the required power. The open-loop system (without feedback) is shown in (a). This system uses a battery source to provide a voltage that is proportional to the desired speed. This voltage is amplified and applied to the motor. The block diagram of the open-loop sys- tem identifying control device, actuator, and process is shown in b).

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.2P
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Re design the system below into Closed-loop control of the speed of a turntable.
Draw the block diagram model.
Battery
Speed
Turntable
www
DC
DC motor
amplifier
(a)
Control device
Actuator
Process
(a) Open-loop
(without feedback)
control of the speed
of a turntable.
(b) Block diagram
model.
Desired
speed
(voltage)
Amplifier
DC
motor
Turntable
Actual
speed
(b)
To obtain disk rotation, we will select a DC motor as the actuator because it
provides a speed proportional to the applied motor voltage. For the input voltage to
the motor, we will select an amplifier that can provide the required power.
The open-loop system (without feedback) is shown in
(a). This system
uses a battery source to provide a voltage that is proportional to the desired speed. This
voltage is amplified and applied to the motor. The block diagram of the open-loop sys-
tem identifying control device, actuator, and process is shown in
(b).
Speed
setting
Transcribed Image Text:Re design the system below into Closed-loop control of the speed of a turntable. Draw the block diagram model. Battery Speed Turntable www DC DC motor amplifier (a) Control device Actuator Process (a) Open-loop (without feedback) control of the speed of a turntable. (b) Block diagram model. Desired speed (voltage) Amplifier DC motor Turntable Actual speed (b) To obtain disk rotation, we will select a DC motor as the actuator because it provides a speed proportional to the applied motor voltage. For the input voltage to the motor, we will select an amplifier that can provide the required power. The open-loop system (without feedback) is shown in (a). This system uses a battery source to provide a voltage that is proportional to the desired speed. This voltage is amplified and applied to the motor. The block diagram of the open-loop sys- tem identifying control device, actuator, and process is shown in (b). Speed setting
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