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18.6. Stability of non-autonomous systems............................................

 

384

18.6.1. A linear homogeneous system (384). 18.6.2. Stability of

 

quasi-linear systems (390). 18.6.3. On stability of a non-linear

 

process by the first approximation (392).

 

 

Chapter 19. АГ^-stabiIity at a finite time interval and technical stability.....

396

19.1. Л ^ -stability at a finite time interval.............................................

 

396

19.2. K ®-stability and technical stability..............................................

 

398

S e c t i o n I V

T h e c o n t r o l t h e o r y

 

Chapter 20. The controlled systems...............................................................

 

400

20.1. The concept of controlled systems..................................................

 

400

20.2. The task of control.........................................................................

 

403

20.3. Two ways to solve the task of control.............................................

 

405

20.4. The main tasks of the control theory..............................................

 

408

20.4.1. Linear controlled systems (409). 20.4.2. Linearisation of

 

non-linear systems (410).

 

 

Chapter 21. Controllability of linear systems.................................................

 

412

21.1. The concept of controllability........................................................

 

412

21.2. Transformation of a system to a form suitable for studying.............

413

21.3. Necessary and sufficient conditions for controllability.....................

415

21.4. Construction of law of control with feedback for an absolutely

 

controlled system..............................................................................

 

420

21.5. Representation of the controllability criterion via the matrix of

 

controllability...................................................................................

 

421

21.6. The criterion of controllability for linear stationary systems...........

424

21.7. The structure of the space of states ofa

linear controlled system....

426

21.8. The structure of the space of states of a

stationary system..............

429

21.9. Controllability' of a system, determined by a single high-order

 

differential equation..........................................................................

 

432

21.10. Reduction of a totally controlled stationary system with the

 

scalar control to a single high-order equation.....................................

434

21.11. The capability' of stabilisation of linear stationary systems............

437

21.12. Zero-controllability of linear systems............................................

 

439

21.13. Autonomy of linear systems..........................................................

 

441

Chapter 22. Observability of linear systems...................................................

 

443

22.1. The concept of observability...........................................................

 

443

22.2. The necessary and sufficient conditions for observability................

444

22.2.1.Invariance of observability properties (444).

22.3.The principle of duality in the theoryof controllability and

observability......................................................................................

447

22.4. The criterion of observability in terms of the observability matrix....

449

22.5. Separation of a not totally observable subsystem from a linear

system..................................................................................................................

 

451

22.6. The asymptotic identifier............................................................................

 

453

Chapter 23. The dynamic characteristics of linear system s................................

457

23.1. The unit step-function and the delta-function.........................................

 

457

23.2. Reaction of the system to an input signal in the form of delta-

function. The impulse transition function....................................................

 

459

23.3. Connection between input and output signals via the impulse

transition function.............................................................................................

 

461

23.4. Reactions of the system to an input signal in the form of the

derivative and the integral of the delta-function........................................

463

23.5. Transformation of initial conditions at the system output into an

equivalent input signal....................................................................................

 

464

23.6. Determination of a differential equation by the impulse function

465

23.7. Construction of the impulse transition function.....................................

467

23.7.1. A stationary system (467). 23.7.2. A non-stationary system

(467).

 

 

Chapter 24. Approximate integration of a controlled process equations........

472

24.1. The integro-differential system of equations of a controlled

process................................................................................................................

 

472

24.1.1. On existence and structure of transformation to

a

differential system (473). 24.1.2. On method of construction of the

approximate solution of the equations (475).

 

 

24.2. Reduction of the controlled process equations to a decomposed

differential system (the method of successive approxim ations)..............

475

24.3. The approximate integration of equations of a controlled process

given a small impact of the regulator upon the process (case A )...........

479

24.3.1. Construction of the formal solution

(480). 24.3.2. The

approximate solution of the system (483).

 

 

24.4. The approximate integration of equations of a controlled process

(case B)...............................................................................................................

 

484

24.4.1. Construction of the formal solution

(484). 24.4.2. The

approximate solution of the system (487).

 

 

Chapter 25. Some canonical forms of linear process equations..........................

489

25.1. Transformation of a system of equations with constant

coefficients to the decomposed form .............................................................

 

489

25.1.1. A homogeneous system (489). 25.1.2. A non-homogeneous

system (491).

 

 

25.2. Formal transformations of a non-stationary

system ............................

491

25.2.1. A homogeneous system (493). 25.2.2. The case of simple

eigenvalues (496). 25.2.3. A non-homogeneous system (496).

 

25.3. Equations of a controlled process in the canonical form .....................

499

Chapter 26.

The asymptotic decomposition ofequations of

 

a multi-dimensional non-stationary linear system by

 

selecting a structure of the control matrix.........................................

501

26.1. The task formulation................................................................

 

501

26.2. The algorithm of formal decomposition of the equation (26.1.6)

502

26.3. Study of the equation (26.2.8)

504

26.4. Determination of A'***,

and Bk

510

26.4.1. Construction of

and A[A1 having A, //and BQpre­

 

assigned (511). 26.4.2. Construction of Bk (512). 26.4.3. Con­

 

struction ofthe pseudo-reciprocal matrix F+(514).

 

26.5. The approximate solution ofthe equation (26.1.6).......................

515

Chapter 27.

Synthesis of linear controls of a multi-dimensional

 

non-stationary linear system with a diagonal matrix.............................

516

27.1. The task formulation.................................................................

 

516

27.2. On diagonalisation of a system of equations ofa controlled

 

process......................................................................................

 

517

27.3. The method of asymptotic transformation ofequations of

 

a controlled process to a system of equations with a matrix close

 

to diagonal one..............................................................................

 

520

27.3.1. Construction of matrices K„t X„ (522). 27.3.2. Determi-

 

nation of Kyc \ Xlc*having # 0 and i^pre-assigned (523).

 

References

................................................................................................

 

527

Абгарян Карлен Арамович

МАТРИЧНОЕ ИСЧИСЛЕНИЕ С ПРИЛОЖЕНИЯМИ В ТЕОРИИ ДИНАМИЧЕСКИХ СИСТЕМ

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