microcontroller based dc motor speed control using pwm technique

Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

... pulse-width-modulated (PWM) power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control ... schematic diagram of a DC motor is shown in Figure 6. Figure 6. Schematic Diagram of a DC Motor Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 10 ã ... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 24 Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System 1. Introduction This...

Ngày tải lên: 25/01/2014, 13:20

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Tài liệu Speed Control of DC Manchines pptx

Tài liệu Speed Control of DC Manchines pptx

... B r e r v r B r I r F r B r v r e r B r I r F r Đặc tính cơ của động cơ DC kích từ nối tiếp Example 4: Example 5: Đặc tính cơ 4 phần tư...

Ngày tải lên: 17/12/2013, 14:15

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Tài liệu Microcontroller Based Applied Digital Control pdf

Tài liệu Microcontroller Based Applied Digital Control pdf

... 65 3.3 Some Popular PIC Microcontrollers 66 3.3.1 PIC16F84 Microcontroller 67 3.3.2 PIC16F877 Microcontroller 71 3.4 Exercises 75 Further Reading 76 4Programming PIC Microcontrollers in C 77 4.1 ... JWBK063-Ibrahim January 4, 2006 18:11 Char Count= 0 Microcontroller Based Applied Digital Control i Microcontroller Based Applied Digital Control D. Ibrahim C  2006 John Wiley & Sons, Ltd. ... program control. The microcontroller has 8K program memory, which is quite large for control based applications. In addition, the RAM memory is 368 bytes, which again is quite large for control based...

Ngày tải lên: 22/12/2013, 21:15

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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

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

Ngày tải lên: 03/01/2014, 19:45

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Direct torque and indirect flux control of brushless DC motor

Direct torque and indirect flux control of brushless DC motor

... programming -based control of brushless motors,” IEEE Trans. Control Syst. Technol., vol. 11, no. 1, pp. 139–146, Jan. 2003. [19] S. J. Kang and S. K. Sul, “Direct torque control of brushless dc motor ... 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 hybrid sliding ... force (EMF), position-sensorless control, stator flux control, torque pulsation. I. I NTRODUCTION T HE permanent-magnet synchronous motor (PMSM) and brushless dc (BLDC) motor drives are used extensively...

Ngày tải lên: 03/01/2014, 19:46

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Direct torque control of four switch brushless DC motor with non sinusoidal back EMF

Direct torque control of four switch brushless DC motor with non sinusoidal back EMF

... only the torque is controlled without speed control, the time range of control system under transient state is selected short. The motor speeds up to a very large value if the motor is run longer ... bill.alexander@idealpowerconverters.com Abstract—This paper presents a direct torque control (DTC) technique for brushless dc (BLDC) motors with non- sinusoidal back-EMF using four-switch inverter in the constant torque region. ... of a BLDC motor drive using four-switch inverter with faster torque response due to the fact that the voltage space vectors are directly controlled. Therefore, the direct torque controlled...

Ngày tải lên: 03/01/2014, 19:46

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Pseudo vector control – an alternative approach for brushless DC motor drives

Pseudo vector control – an alternative approach for brushless DC motor drives

... conventional control system for BLDC motor (Fig. 2). The motor is fed by a PWM- controlled MOSFET inverter. As we can see in Figs. 2 and 3, the currents are controlled by 3 current controllers ... motor that is fed by square-wave current and it is often called Brushless DC Motor (BLDCM). The main difference between two kinds of motors from the control viewpoint resides on current control ... machine, Vector control, Pseudo-vector control, Torque ripple minimization. I. I NTRODUCTION A. Sine-wave PM Motor vs. Square-wave Motor: Vector Control vs. Phase Current Control With the...

Ngày tải lên: 03/01/2014, 19:46

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Bộ điều khiển số PID điều khiển DC motor

Bộ điều khiển số PID điều khiển DC motor

... loại AVR tốc độ cao, tích hợp sẵn ADC 10 bit. - AVR tích hợp sẵn LCD driver : Atmega169, 329. - AVR có tích hợp SC (power stage controller): AT9 0PWM thường dùng trong các ứng dụng ... 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 khiển PORTA ( 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...

Ngày tải lên: 23/04/2013, 14:48

58 3K 10
DC Motor - Content

DC Motor - Content

... cổng. VD3: Sử dụng thanh ghi CC 80C537, có thể đạt 5kHz. DC Motor - PWM illustration By Lê Anh Tuấn 12/2002 DC Motor - Brushless DC Động cơ một chiều không chổi than không được cấp liên tục ... 12/2002 DC Motor - Practical2 PWM SỬ DỤNG IC 555 Mạch dùng điều khiển động cơ 6V, 0.5 A với đầu vào Vin=9V U1: tạo nhịp, chính là tần số làm việc U2: Chu kỳ làm việc By Lê Anh Tuấn 12/2002 DC Motor ... ứng dụng By Lê Anh Tuấn 12/2002 DC Motor - Practical3 PWM BẰNG VI ĐIỀU KHIỂN By Lê Anh Tuấn 12/2002 VD1: Sử dụng hai timer T0,T2 của AT89C52 T0: chu kỳ của xung PWM T2: thời gian xung làm việc VD2:...

Ngày tải lên: 28/10/2013, 05:15

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Tài liệu Brushed DC Motor Fundamentals doc

Tài liệu Brushed DC Motor Fundamentals doc

... drawback to SWDC motors is that they do not have precise speed control like PMDC and SHWDC motors have. FIGURE 4: SERIES-WOUND DC MOTORS Armature Brush Permanent Magnet Poles DC Voltage Supply Armature Brush Shunt Field DC Voltage Supply Armature Brush Series Field DC Voltage Supply ... Low-Cost Bidirectional Brushed DC Motor Control Using the PIC16F684. AN847 RC Model Aircraft Motor Control. www.howstuffworks.com www.engin.umich.edu/labs/csdl/me350/motors /dc/ index.html Note: Microchip ... electric motor types (i.e., brushless DC, AC induction), BDC motors do not require a controller to switch current in the motor windings. Instead, the commutation of the windings of a BDC motor is...

Ngày tải lên: 22/12/2013, 14:15

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