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 () ;
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- 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 .
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- 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.
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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
.
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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?