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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

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