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dc motor speed control circuit diagram using 555 timer

Tài liệu Speed Control of DC Manchines pptx

Tài liệu Speed Control of DC Manchines pptx

Điện - Điện tử

... Brer vr Br Ir Fr Brvr er Br Ir Fr Đặc tính cơ của động cơ DC kích từ nối tiếp Example 4: Example 5: Đặc tính cơ 4 phần tư...
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Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor

Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor

Tài liệu khác

... conduction DTC of BLDC motor drive with six-switch inverter scheme. Keywords: Brushless dc (BLDC) motor, sliding mode observer, direct torque control (DTC), stator flux control, fast torque ... Block Indirect torque control method of BLDC motor explained in [9] was extended to a direct torque and indirect flux control technique for six-switch inverter BLDC motor in [7] which is suitable ... reported to control of BLDC motor using six-switch three-phase inverter (SSTPI). Direct torque control (DTC) scheme was first proposed by Takahashi [1] and Depenbrock [2] for induction motor drives...
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Direct torque and indirect flux control of brushless DC motor

Direct torque and indirect flux control of brushless DC motor

Tài liệu khác

... maximum-efficiency control of BLDC motor, ”IEEE Trans. Ind. Electron., vol. 47, no. 1, pp. 109–114, Feb. 2000.[22] L. Hao and H. A. Toliyat, “BLDC motor full -speed operation using hybridsliding ... Overall block diagram of the position-sensorless direct torque and indirect flux control (DTIFC) of BLDC motor drive using three-phase conductionmode.Fig. 4. Simulated indirectly controlled stator ... INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 355TAB L E ISWITCHINGTABLE FORDTCOFBLDC MOTORUSINGTHREE-PHASECONDUCTIONindirectly kept at its optimum level, while the motor speed isless...
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Bộ điều khiển số PID điều khiển DC motor

Bộ điều khiển số PID điều khiển DC motor

Điện - Điện tử - Viễn thông

... CAP-P710007805IN1OUT3GND2U47805GNDCAP-P610UCAP4104VCCR6330RLED1LEDT1TIP42R510R2134POWER1CONN-SIL4 Control 1 Control 2Hình 4.6 Sơ đồ nguyên lý mạch nguồn 5VKhối này là mạch điện dùng để ổn áp điện thế ... thay vì nhập xuất dữ liệu.- Chân 30 : AVCC cấp điện áp so sánh cho bộ ADC.- Chân 32 : AREF điện áp so sánh tín hiệu vào ADC.- Chân 33 đến 40 : Cổng vào ra dữ liệu song song A ( PORTA ) ngoài ... tín hiệu số ADC ( analog to digital converter)b. Vào ra của vi điều khiểnPORTA ( PA7 … PA0 ) : là các chân số 33 đến 40. Là cổng vào ra song song 8 bít khi không dùng ở chế độ ADC. Bên trong...
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Electronics and Circuit Analysis Using MATLAB P1

Electronics and Circuit Analysis Using MATLAB P1

Cơ khí - Chế tạo máy

... LLC â 1999 CRC Press LLC Attia, John Okyere. “Matlab Fundamentals.”Electronics and Circuit Analysis using MATLAB.Ed. John Okyere AttiaBoca 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...
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Electronics and Circuit Analysis Using MATLAB

Electronics and Circuit Analysis Using MATLAB

Hóa học - Dầu khí

... 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. â 1999 CRC Press LLC â 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...
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Electronics and Circuit Analysis Using MATLAB P3

Electronics and Circuit Analysis Using MATLAB P3

Cơ khí - Chế tạo máy

... 1999 CRC Press LLC â 1999 CRC Press LLC Attia, John Okyere. Control Statements .”Electronics and Circuit Analysis using MATLAB.Ed. John Okyere AttiaBoca Raton: CRC Press LLC, 1999 ... expression 2 statement group 2 end statement group 3 end statement group 4 The program control is such that if expression 1 is true, then statement groups 1 and 3 are executed. If the ... However, if the logical expression is false, the statement group 1 is bypassed and the program control jumps to the statement that follows the end statement. ã The general form of a nested...
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Electronics and Circuit Analysis Using MATLAB P2

Electronics and Circuit Analysis Using MATLAB P2

Cơ khí - Chế tạo máy

... 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. ... CRC Press LLC 2.4 SCREEN CONTROL MATLAB has basically two display windows: a command window and a graph window. The hardware configuration an operator is using will either display both ... LLC â 1999 CRC Press LLC Attia, John Okyere. “Plotting Commands.”Electronics and Circuit Analysis using MATLAB.Ed. John Okyere AttiaBoca Raton: CRC Press LLC, 1999 ...
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DC Motor - Content

DC Motor - Content

Điện - Điện tử

... 1 đóng), dùng timer giữ nhịp đẩy các bit ra cổng. VD3: Sử dụng thanh ghi CC 80C537, có thể đạt 5kHz. DC Motor - PWM illustrationBy Lê Anh Tuấn 12/2002 DC Motor - Brushless DC Động cơ một ... 12/2002 DC Motor - Practical1VI MẠCH 555/ 556Tạo ra các xung đều nhau, tần số CRRfBA)(49.1+=Tạo ra xung có bề rộng ΔT khi có xung vào chân trigger ΔT=1.1RCBy Lê Anh Tuấn 12/2002 DC Motor ... 12/2002 DC Motor - Practical2PWM SỬ DỤNG IC 555 Mạch dùng điều khiển động cơ 6V, 0.5 A với đầu vào Vin=9VU1: tạo nhịp, chính là tần số làm việcU2: Chu kỳ làm việcBy Lê Anh Tuấn 12/2002 DC Motor...
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Electronics and Circuit Analysis Using MATLAB P6

Electronics and Circuit Analysis Using MATLAB P6

Cơ khí - Chế tạo máy

... 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 HsVsVssRLssRLLCoi()()()==++21 ... CRC Press LLC Attia, John Okyere. “AC Analysis and Network Functions.”Electronics and Circuit Analysis using MATLAB.Ed. John Okyere AttiaBoca Raton: CRC Press LLC, 1999 ...
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