line follower robot circuit using pic16f877a

Ngày tải lên: 15/09/2013, 21:51

Ngày tải lên: 22/05/2014, 20:53

Ngày tải lên: 02/07/2014, 00:20

... hiểm thay thế con người, robot giúp người già, robot bán hàng…v.v. Trong đồ án lần này em thực hiện làm robot dò line, so với những robot trên thì nó chỉ là 1 robot nhỏ, đơn giản nhưng ... cách hoạt động của robot dò line chúng ta có thể phát triển rộng hơn để tạo nên những robot có ứng dụng thực tế hơn như robot thay con người đi vào những nơi nguy hiểm, những robot làm 1 công ... khiển: /***************************************************** Project : DO AN MON HOC 1 ( Robot do line) Version : 1.0 Date : 20/12/2010 Author : Pham Quoc Gia Company : Lop 08-DTD Comments:...

Ngày tải lên: 25/04/2013, 13:45

... LLC © 1999 CRC Press LLC Attia, John Okyere. “Matlab Fundamentals.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... vector t2. Also, for matrix t3, t3(2,3) denotes the entry in the second row and third column. Using the co- lon as one of the subscripts denotes all of the corresponding row or column. For ... COMPLEX NUMBERS MATLAB allows operations involving complex numbers. Complex numbers are entered using function i or j. For example, a number zj =+ 22 may be entered in MATLAB as z = 2+2*i...

Ngày tải lên: 23/10/2013, 16:15

... CHAPTER TWELVE TRANSISTOR CIRCUITS 12.1 BIPOLAR JUNCTION TRANSISTORS 12.2 BIASING OF BJT DISCRETE CIRCUITS 12.2.1 Self-bias circuit 12.2.2 Bias stability 12.3 INTEGRATED CIRCUIT BIASING 12.3.1 ... concepts, not with the aim of writing a textbook on circuit analysis and electronics. Selected problems in circuit analysis have been solved using MATLAB. © 1999 CRC Press LLC © 1999 ... Voltage of an RLC Circuit 6.3 AC Current and Voltage of a Circuit with Two Sources 6.4 Unbalanced Wye-wye Connection 6.5 Network Function, Poles and Zeros of a Circuit 6.6 Inverse...

Ngày tải lên: 27/10/2013, 23:15

... LLC © 1999 CRC Press LLC Attia, John Okyere. “Control Statements .” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... The text with format specification should end with \n to indicate the end of line. However, we can also use \n to get line feeds as represented by the fol- lowing example: r1 = 1500; fprintf('resistance ... “short” format (5 significant dig- its). Format compact suppresses line- feeds that appear between matrix dis- plays, thus allowing more lines of information to be seen on the screen. For- ©...

Ngày tải lên: 27/10/2013, 23:15

... implying, plot x versus y using green color. Line and mark style may be added to color type using the command plot(x, y, ’+w’) The above statement implies plot x versus y using white + marks. ... Current of an RL Circuit under Sinusoidal Steady State Conditions © 1999 CRC Press LLC © 1999 CRC Press LLC 2.2 X-Y PLOTS AND ANNOTATIONS The plot command generates a linear x-y plot. ... plot(x) will produce a linear plot of the elements in the vector x as a function of the index of the elements in x. MATLAB will connect the points by straight lines. If x is a matrix, each...

Ngày tải lên: 27/10/2013, 23:15

... Three-phase circuits are analyzed by converting the circuits into the frequency domain and by using the Kirchoff voltage and current laws. The un- known voltages and currents are solved using matrix ... following example shows how to obtain and plot the frequency response of an RLC circuit. Example 6.7 For the RLC circuit shown in Figure 6.13, (a) show that the transfer function is Hs Vs Vs s R L ss R LLC o i () () () == ++ 2 1 ... CRC Press LLC Attia, John Okyere. “AC Analysis and Network Functions.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ...

Ngày tải lên: 06/11/2013, 09:15

... V s R 1 R 3 R 2 C 1 C 2 L V 1 V 2 I 1 y(t) + + + - Figure 5.11 Circuit for State Analysis Using the above guidelines, we select the state variables to be VV 12 , , and i 1 . Using nodal analysis, we have © 1999 ... CRC Press LLC 5.2 RL NETWORK Consider the RL circuit shown in Figure 5.5. L R V o (t) i(t) Figure 5.5 Source-free RL Circuit Using the KVL, we get L di t dt Ri t () () += 0 ... current response of a source-free RL circuit with initial current I m , and it represents the natural response of an RL circuit. Figure 5.6 is an RL circuit with source voltage vt V S () = ....

Ngày tải lên: 06/11/2013, 09:15

... electrical circuits. Example 4.1 For the circuit shown below, find the nodal voltages VV 12 , and V 3 . 5 A 2 A50 Ohms 40 Ohms10 Ohms 20 Ohms V VV 1 2 3 Figure 4.1 Circuit with ... VVV b =− 14 (4.31) Using Ohm’s Law I VV a = − 43 5 (4.32) Using KCL at node 1, and supernode 1-2, we get VVV V VV b 114 23 210 5 8 0 + − −+ − = (4.33) Using Equation (4.31), ... voltages for the circuit shown in Figure P4.2. Solve the equations using MATLAB. 4 Ohms 2 Ohms 5 Ohms 3 Ohms 8 Ohms 6 Ohms 3 A 4 A 6 A V 2 V 4 V 5 V 3 V 1 Figure P4.2 Circuit for Exercise...

Ngày tải lên: 06/11/2013, 09:15

... midband equivalent circuit of the common-source amplifier. This is shown in Figure 12.24. The equivalent circuit is obtained by short-circuiting all the external capacitors and open- circuiting all ... versus Temperature 12.3 INTEGRATED CIRCUIT BIASING Biasing schemes for discrete electronic circuits are not suitable for integrated circuits (IC) because of the large number of ... equivalent circuit of the common-emitter amplifier is shown in Figure 12.15. R s R B r V π r x C π µ c C r ce R c R L π B B' V s g m V V o π Figure 12.15 Equivalent Circuit of CE...

Ngày tải lên: 13/12/2013, 01:15

... Z 2 = R 2 , Figure 11.10 becomes a voltage follower with gain. This is shown in Figure 11.11. V o V in R 2 R 1 Figure 11.12 Voltage Follower with Gain The voltage gain is ... Figure 11.11 Non-Inverting Configuration Using nodal analysis at node A V Z VV Z I aaO 12 1 0 + − += (11.22) From the concept of a virtual short circuit, VV IN a = (11.23) and ... zeros of the circuit shown in Figure P11.3. Use MATLAB to plot the magnitude response. The resistance values are in kilohms. V o 10 1 nF V in 1 nF 1 Figure P11.3 An Op Amp Circuit ...

Ngày tải lên: 13/12/2013, 01:15

... the profile of the linearly graded junction. © 1999 CRC Press LLC © 1999 CRC Press LLC Attia, John Okyere. “Semiconductor Physics.” Electronics and Circuit Analysis using MATLAB. Ed. ... W AP s DN s max == εε εε 00 (10.63) Using Equation (10.47) or (10.48, Equation (10.63) becomes E qN N V V NN DAC S SAD max () () = − + 2 0 εε (10.64) For a linearly graded junction, the charge ... into a lightly doped region of opposite polarity [7]. In a linearly graded junction, the ionized doping charge density varies linearly across the depletion region. The charge density passes...

Ngày tải lên: 13/12/2013, 01:15

... the characteristics of diodes are presented. Diode circuit analysis techniques will be discussed. Problems involving diode circuits are solved using MATLAB. 9.1 DIODE CHARACTERISTICS ... volt- age V D . V DC I D V D R + - + - Figure 9.5 Basic Diode Circuit Using Kirchoff Voltage Law, we can write the loadline equation VRIV DC D D =+ (9.10) The diode current and ... ylabel('ln(i)') title('Best fit linear model') diary The results obtained from MATLAB are Is = 9.9525e-015 n = 1.5009 Figure 9.3 shows the best fit linear model used to determine...

Ngày tải lên: 13/12/2013, 01:15

... MATLAB program to obtain a n and b n for n = 0 , 1, , 10 by using Equations (8.5) and (8.6). (c) Resynthesis g(t) using 10 terms of the values a n , b n obtained from part (b). ... LLC © 1999 CRC Press LLC Attia, John Okyere. “Fourier Analysis.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... gt ee jn jn t n n () ()( ) () exp( ) = −− + − =−∞ ∞ ∑ 1 22 22 π π (8.22) (ii) Using a MATLAB program, synthesize gt () using 20 terms, i.e., © 1999 CRC Press LLC © 1999 CRC Press LLC ...

Ngày tải lên: 13/12/2013, 01:15

... Figure P7.6 Circuit for Problem 7.6 7.7 For the op amp circuit shown in Figure P7.7, find the y-parameters. + - V 1 V 2 I 1 I 2 R 3 R 1 R 2 R 4 R 5 + - Figure P7.7 Op Amp Circuit ... in- volving both passive and active circuits will be solved using MATLAB. 7.1 TWO-PORT NETWORK REPRESENTATIONS A general two-port network is shown in Figure 7.1. Linear two-port network I 2 V 2 V 1 + - + - I 1 ... current and voltage, respectively. It is assumed that the linear two-port circuit contains no independent sources of energy and that the circuit is initially at rest ( no stored energy). Furthermore,...

Ngày tải lên: 13/12/2013, 01:15

... implying, plot x versus y using green color. Line and mark style may be added to color type using the command plot(x, y, ’+w’) The above statement implies plot x versus y using white + marks. ... of a Simple Circuit 4.2 Circuit with Dependent and Independent Sources 4.3 Loop Analysis of a Bridge Circuit 4.4 Power Dissipation and Source Current 4.5 Nodal Voltage Circuit with ... through Inductor of RL Circuit 5.4 Current Flowing through a Series RLC Circuit 5.5 Voltage across a Parallel RLC Circuit 5.6 State Variable Approach to RC Circuit 5.7 State...

Ngày tải lên: 22/12/2013, 08:16

Ngày tải lên: 22/12/2013, 19:17

Ngày tải lên: 22/12/2013, 22:50