• Figure shows the schematic diagram of an optical disk drive system that uses a laser to read data stored on a compact disk such as DVD. 1. Derive the mathematical model of the 2-DOF mechanical system 2. Draw 2-DOF mechanical model of the optical disk drive systems 3. Derive the transfer function G(s) = X1(s)/Xin(s) 4. Derive the state space representation b₂ k₂ www Radial direction Disk Disk rotation Parameters for the Optical Disk Drive System Laser k₁ www Pick-up head (PUH) Cart Spindle motor Optical Disk Drive System Parameter b₁ PUH mass, m Chassis PUH suspension stiffness, k PUH suspension friction, b, Chassis/cart mass, m Chassis suspension stiffness, k, Chassis suspension friction, by Numerical Value 6(10) kg 60 N/m 0.03 N-s/m 0.124 kg 1960 N/m 6.23 N-s/m Frame Rubber vibration Cart servo motor isolation mounts

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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•
Figure shows the schematic diagram of an optical disk drive system
that uses a laser to read data stored on a compact disk such as DVD.
1. Derive the mathematical model of the 2-DOF mechanical system
2. Draw 2-DOF mechanical model of the optical disk drive systems
3. Derive the transfer function G(s) = X1(s)/Xin(s)
4. Derive the state space representation
Transcribed Image Text:• Figure shows the schematic diagram of an optical disk drive system that uses a laser to read data stored on a compact disk such as DVD. 1. Derive the mathematical model of the 2-DOF mechanical system 2. Draw 2-DOF mechanical model of the optical disk drive systems 3. Derive the transfer function G(s) = X1(s)/Xin(s) 4. Derive the state space representation
b₂
k₂
www
Radial direction
Disk
Disk
rotation
Parameters for the Optical Disk Drive System
Laser
k₁
www
Pick-up
head
(PUH)
Cart
Spindle
motor
Optical Disk Drive System Parameter
b₁
PUH mass, m
Chassis
PUH suspension stiffness, k
PUH suspension friction, b,
Chassis/cart mass, m
Chassis suspension stiffness, k,
Chassis suspension friction, by
Numerical Value
6(10) kg
60 N/m
0.03 N-s/m
0.124 kg
1960 N/m
6.23 N-s/m
Frame
Rubber vibration
Cart servo
motor
isolation mounts
Transcribed Image Text:b₂ k₂ www Radial direction Disk Disk rotation Parameters for the Optical Disk Drive System Laser k₁ www Pick-up head (PUH) Cart Spindle motor Optical Disk Drive System Parameter b₁ PUH mass, m Chassis PUH suspension stiffness, k PUH suspension friction, b, Chassis/cart mass, m Chassis suspension stiffness, k, Chassis suspension friction, by Numerical Value 6(10) kg 60 N/m 0.03 N-s/m 0.124 kg 1960 N/m 6.23 N-s/m Frame Rubber vibration Cart servo motor isolation mounts
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