Post on 26-Jul-2015
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Control Systems
Block Diagram reduction
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Block diagram of inertial navigation system
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Elevator block diagram
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Summary of Block diagram mathematics
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATIONApril 14, 20236
Reduction of Multiple Subsystems – Example 1
Reduce the multiple subsystems into one system
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATIONApril 14, 20237
Reduction of Multiple Subsystems – Example
FeedbackMove backward of pick-off point
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATIONApril 14, 20238
Reduction of Multiple Subsystems – Example
Parallel.
Move forward summing point. Then cascade.
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 20239
Reduction of Multiple Subsystems – Example
Cascade Form
Parallel Form
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202310
Reduction of Multiple Subsystems – Example
Feedback form
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202311
Reduction of Multiple Subsystems – Example 2
Cascade and Parallel
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202312
Reduction of Multiple Subsystems – Example
)(sR
s
s12
s s)(sR
s
1
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202313
Reduction of Multiple Subsystems – Example
)(sR
s
s12
s
1 )(sC
s
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202314
Reduction of Multiple Subsystems – Example
Move backward of pick-off point
)(sR
s
s12
s
1 )(sC
s
)(sR
s
s12
s
1 )(sC
s
s
s11
Actually,
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202315
Reduction of Multiple Subsystems – Example
Move backward of pick-off point
)(sR
s
s12
s
1 )(sC
s
)(sR
s
s12
s
1 )(sC
s
s
s11
Actually,
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202316
Reduction of Multiple Subsystems – Example
Parallel and Cascade
)(sR
s
s12
s
1 )(sC
s
s
)(sR
sss
112 )(sC
s2
sss
s
sss
s
sss
s
sR
sC
s
sss
s
ss
s
s
sss
ss
sR
sC
22
1
)22(
1
22
1
)(
)(
22
1
221
1
121
1
)(
)(
42
3
3
3
3
3
3
2
3
2
2
3
2
2
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
April 14, 202317
Reduction of Multiple Subsystems – Example
sss
s
sR
sC
22
1
)(
)(42
3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3
ELECTRICAL ELECTRONICS COMMUNICATION INSTRUMENTATION
Reduction of Multiple Subsystems – Example 3