.


:




:

































 

 

 

 


Derivative

3

 

Simulink: Continuous

 

: Continuous. , .

: .

 

Derivative

:

.

:

.

:

Du Dt; Dt .

. .

. .

1 . , , .

. Derivative .

 

2. lntegrator

 

:

.

 

 

1 Derivative

 

EX_derivative_1.zip

 

:

1) External reset . , . :

- none ( ),

- rising ( ),

- falling ( ),

- either ,

- level ( );

, - ( none), , . .

2) Initial condition source . :

- internal ;

- external .

, x0, ;

3) Initial condition . . , ;

4) Limit output () ;

- Upper saturation limit . , inf, + ¥;

- Lower saturation limit . , inf, - ¥;

5) Show saturation port , , . :

1. , ;

2. +1, ;

3. -1, .

6) Show state port () / . , . , . .

7) Absolute tolerance .

2 . .

3 . 10.

4 .

 

2

 

EX_integrator_1.zip

 

3

EX_integrator_2.zip

: -, 1 Relational Operator , . , 0 +1.

 

4

 

EX_integrator_3.zip

 

(.5) . IC (Initial Condition) . 1 Relational Operator , , , (.. -1). . .

 

5 -

EX_integrator_4.zip

 

3. Memory

 

:

.

:

- Initial condition .

- Inherit sample time () . , Memory (Sample time) , .

6 Memory .

 

6

 

EX_memory_1.zip

 

4. Transport Delay

 

:

.

:

1) Time Delay ( );

2) Initial input ;

3) Buffer size , . , 8 ( 1024);

4) Pade order (for linearization) , . .

Transport Delay. , . , , Transport Delay .

, , Simulink . MATLAB .

7 Transport Delay 0.5 .

 

7 - Transport Delay

 

EX_Trans_delay_1.zip

 

5. Variable Transport Delay

 

:

, .

:

1) Maximum delay ( );

2) Initial input ;

3) Buffer size , . , 8 ( 1024);

4) Pade order (for linearization) , . .

Variable Transport Delay Transport Delay.

, , Maximum delay, Maximum delay.

8 Variable Transport Delay. 0.5 c 1 5 .

 

8 Variable Transport Delay

 

EX_Var_Trans_delay_1.zip

 

6. Transfer Fcn

 

:

Transfer Fcn :

,

nn nd ; num ; den .

:

1) Numerator ;

2) Denominator ;

3) Absolute tolerance .

.

. , , ( ). 9
Transfer Fcn.

 

9

 

EX_Trancfer_Fcn_1.zip

 

, Transfer Fcn , , . .

10 Transfer Fcn . , Transfer Fcn.

 

10

 

EX_Trancfer_Fcn_2.zip

 

Transfer Fcn . , , tf2ss ( Control System Toolbox) State-Space.

 

7. Zero-Pole

 

:

Zero-Pole :

,

Z ( ); P ( ); K , , . K .

:

1) Zeros ;

2) Poles ;

3) Gain ;

4) Absolute tolerance .

.

, , Zero-Pole .

. - , .

Zero-Pole .

11 Zero-Pole. - .

 

11 Zero-Pole

 

 

8. State-Space

 

:

, :

x ; u ; y ; A, B, C, D : , , , .

12 (n , m , r ).

 

12 State-Space

 

:

1) A ;

2) B ;

3) C ;

4) D ;

5) Initial condition ;

6) Absolute tolerance ;

13 State-Space. :

 

 

 

13 State-Space

 

EX_State_Space_1.zip

 

.

1. Continuous?

2. Integrator?

3. Limit output Integrator?

4. Memory?

5. Transport Delay?

6. Variable Transport Delay?

7. Transfer Fcn?

8. Zero-Pole?

9. State-Space?



<== | ==>
Outport |
:


: 2017-02-11; !; : 405 |


:

:

, .
==> ...

780 - | 750 -


© 2015-2024 lektsii.org - -

: 0.054 .