dc motor speed control with pwm technique using ir remote
Direct torque control of brushless DC motor with non sinusoidal back EMF
Ngày tải lên: 03/01/2014, 19:44
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 ... αβ – plane. Direct Torque and Indirect Flux Control of Brushless DC Motor with Non-sinusoidal Back-EMF without position sensor Abstract: In this paper, the position sensorless direct torque...
Ngày tải lên: 03/01/2014, 19:45
Direct torque control of four switch brushless DC motor with non sinusoidal back EMF
... 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 ... 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 ... accordance with the simulation result obtained in Fig. 8. Since only the torque is controlled without speed control, the time range of control system under transient state is selected short. The motor...
Ngày tải lên: 03/01/2014, 19:46
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... Experiments Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 23 2. Physical System A DC motor converts direct-current (DC) electrical energy into rotational ... 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...
Ngày tải lên: 25/01/2014, 13:20
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
A park like transformation for the study and the control of a nonsinusoidal brushless DC motor
Ngày tải lên: 03/01/2014, 19:44
Direct torque and indirect flux control of brushless DC motor
... diagram of the position-sensorless direct torque and indirect flux control (DTIFC) of BLDC motor drive using three-phase conduction mode. Fig. 4. Simulated indirectly controlled stator flux linkage trajectory ... 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 with nonideal ... OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 355 TAB L E I S WITCHING T ABLE FOR DTC OF BLDC M OTOR U SING T HREE - PHASE C ONDUCTION indirectly kept at its...
Ngày tải lên: 03/01/2014, 19:46
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 ... 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 recent ... block-diagram of Phase Current Control for BLDCM drives. INVERTER BLDC motor Load PWM Current Controller Current Controller Current Controller * a i * b i * c i + + + − − − a i c i () bac iii=−...
Ngày tải lên: 03/01/2014, 19:46
Open distributed automation and control with iec 61499.pdf
... DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499 JHC/2001-04-03 p. 18 Open Distributed Automation and Control with IEC 61499 Open Distributed Automation and Control with IEC 61499 ã Background ã ... Distributed Automation and Control with IEC 61499 Open Distributed Automation and Control with IEC 61499 ã Background ã Architecture ã Object Models ã Software Tool Requirements ã Status and Future ... Tool Requirements ã Status and Future OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499 JHC/2001-04-03 p. 25 First Feasibility Demonstration: Kitakyushu City, Japan, 2000-10-20 First Feasibility...
Ngày tải lên: 20/08/2012, 11:15
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
A New Technique Using Headspace Gas Monitoring to Determine Carbon Source Addition in a BNR Process
Ngày tải lên: 05/09/2013, 08:40
Modeling ammonia-nitrogen degradation in a polluted stream with biofilm technique
Ngày tải lên: 05/09/2013, 09:38
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
Tài liệu Brushed DC Motor Fundamentals doc
... motors. REFERENCES AN893 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: ... 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 ... 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
Adjustable speed drive with active filtering capability for harmonic current compensation
Ngày tải lên: 03/01/2014, 19:45