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Spinning Magnetic Disk Motor and Head Transfer Function 10 G(s)- QRead/Wnite Head s(tau"s+1) Controller Motor Desired Неad Position Figure E4.4a Figure 290

Spinning Magnetic Disk Motor and Head Transfer Function 10 G(s)- QRead/Wnite Head s(tau"s+1) Controller Motor Desired Неad Position Figure E4.4a Figure 290

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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tau= 7/1000 (this is Ex. 290. Refer to Fig. 290. the OL time constant). Hint: convert all numbers to MKS units (i.e. meters, kilograms, seconds) Answers: Ess_CL for a step input, and K for the ramp input. ans:2
Transcribed Image Text:tau= 7/1000 (this is Ex. 290. Refer to Fig. 290. the OL time constant). Hint: convert all numbers to MKS units (i.e. meters, kilograms, seconds) Answers: Ess_CL for a step input, and K for the ramp input. ans:2
Exercise 290 A magnetic disk drive requires a motor to position a read'write head over tracks of data on a spinning disk as shown. difference of the actual and desired positions and generates an error. This error is multiplied by an amplifier K. The motor/head transfer function is 10/( s (tau*s+1)). What is the steady-state position error for a step change in the desired input? Calculate the required K in order to yield a steady-state error of 0.1 mm for a ramp input of 10 cm's. The controller takes the Spinning Magnetic Disk Motor and Head Transfer Function 10 G(s) = QRead/Write Head s(tau"s+1) Controller Motor Desired Нead Position Figure E4.4a Figure 290
Transcribed Image Text:Exercise 290 A magnetic disk drive requires a motor to position a read'write head over tracks of data on a spinning disk as shown. difference of the actual and desired positions and generates an error. This error is multiplied by an amplifier K. The motor/head transfer function is 10/( s (tau*s+1)). What is the steady-state position error for a step change in the desired input? Calculate the required K in order to yield a steady-state error of 0.1 mm for a ramp input of 10 cm's. The controller takes the Spinning Magnetic Disk Motor and Head Transfer Function 10 G(s) = QRead/Write Head s(tau"s+1) Controller Motor Desired Нead Position Figure E4.4a Figure 290
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