Aula 7 - Controle e Automação I

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INTRODUÇÃO AO MATLAB 
Prof. Almir Kimura Junior 
EST – Escola Superior de Tecnologia 
UEA – Universidade do Estado do Amazonas 
 
 
 
 
 
Manaus, Brasil 
 
 
PARTE 1 
 
MATLAB BASICS 
FIGURE A.1 MATLAB STATEMENT FORM. 
FIGURE A.2 ENTERING AND DISPLAYING A MATRIX A. 
FIGURE A.3 USING SEMICOLONS TO SUPPRESS THE 
OUTPUT. 
FIGURE A.4 USING THE CALCULATOR MODE. 
FIGURE A.5 VARIABLES ARE CASE SENSITIVE. 
FIGURE A.6 THREE PREDEFINED VARIABLES I, 
INF, AND NAN. 
FIGURE A.7 USING THE WHO FUNCTION TO 
DISPLAY VARIABLES. 
FIGURE A.8 USING THE WHOS FUNCTION TO 
DISPLAY VARIABLES. 
FIGURE A.9 REMOVING THE MATRIX A FROM THE 
WORKSPACE. 
FIGURE A.10 OUTPUT FORMAT CONTROL 
ILLUSTRATES THE FOUR FORMS OF OUTPUT. 
FIGURE A.11 FUNCTION NAMES ARE CASE 
SENSITIVE. 
FIGURE A.12 COMPLEX AND REAL MATRIX INPUT 
WITH AUTOMATIC DIMENSION AND TYPE 
ADJUSTMENT. 
FIGURE A.13 THREE BASIC MATRIC OPERATIONS: 
ADDITION, MULTIPLICATION, AND TRANSPOSE. 
FIGURE A.14 INNER AND OUTER PRODUCTS OF 
TWO VECTORS. 
FIGURE A.15 ARRAY OPERATIONS 
FIGURE A.16 THE COLON NOTATION. 
FIGURE A.17 GENERATING VECTORS USING THE 
COLON NOTATION. 
FIGURE A.18 (A) MATLAB COMMANDS. (B) A 
BASIC X-Y PLOT OF X SIN(X) VERSUS X. 
FIGURE A.19 (A) MATLAB COMMANDS. (B) A 
BASIC X-Y PLOT WITH MULTIPLE LINES. 
FIGURE A.20 USING SUBPLOT TO CREATE A 2 X 2 
PARTITION OF THE GRAPH DISPLAY. 
FIGURE A.21 A SIMPLE SCRIPT TO PLOT THE 
FUNCTION Y(T) - SIN T. 
FIGURE A.22 USING THE HELP FUNCTION. 
FIGURE A.23 AN INTERACTIVE SESSION USING A 
SCRIPT TO PLOT THE FUNCTION Y(T) - SIN T. 
PARTE 1 
MATLAB BASICS 
 
 
SIMULATIONS 
PARTE 2 
 
MATLAB BASICS 
FIGURE 2.48 ENTERING THE POLYNOMIAL P(S) = 
S3 + 3S2 + 4 AND CALCULATING ITS ROOTS. 
FIGURE 2.49 USING CONV AND POLYVAL TO 
MULTIPLY AND EVALUATE THE POLYNOMIALS (3S2 + 
2S + 1) (S + 4). 
FIGURE 2.50 (A) THE TF FUNCTION. (B) USING THE TF 
FUNCTION TO CREATE TRANSFER FUNCTION OBJECTS AND 
ADDING THEM USING THE 
“+”OPERATOR. 
FIGURE 2.56 (A) BLOCK DIAGRAM. (B) THE SERIES 
FUNCTION. 
FIGURE 2.57 APPLICATION OF THE SERIES 
FUNCTION. 
FIGURE 2.58 (A) BLOCK DIAGRAM. (B) THE 
PARALLEL FUNCTION. 
FIGURE 2.60 (A) BLOCK DIAGRAM. (B) THE 
FEEDBACK FUNCTION WITH UNITY FEEDBACK. 
FIGURE 2.61 (A) BLOCK DIAGRAM. (B) THE 
FEEDBACK FUNCTION. 
FIGURE 2.62 (A) BLOCK DIAGRAM. (B) 
APPLICATION OF THE FEEDBACK FUNCTION. 
FIGURE 2.63 A BASIC CONTROL SYSTEM WITH THE 
CONTROLLER IN THE FEEDBACK LOOP. 
FIGURE 2.64 APPLICATION OF THE FEEDBACK 
FUNCTION: (A) BLOCK DIAGRAM, (B) M-FILE SCRIPT. 
FIGURE 2.66 THE MINREAL FUNCTION. 
FIGURE 2.67 APPLICATION OF THE MINREAL 
FUNCTION.