... Trần Thị Hồng Nhung 2.2 Luật điều khiển PID 2.2.1 Giới thiệu PID Bộ điều khiển PID (Proportional Integral Derivative controller) điều khiển sử dụng kỹ thuât điều khiển theo vòng lặp có hồi tiếp ... thống điều khiển tự động ,nó hiệu chỉnh sai lệch tín hiệu vào sau đưa một tín hiệu điều khiển để điều chỉnh trình cho phù hợp Bộ điều khiển PID (vi tích ph...
Ngày tải lên: 23/04/2013, 14:48
DC Motor - Content
... DC Motor - Motor for robot CÁC LOẠI ĐỘNG CƠ MỘT CHIỀU Động chiều chia làm số loại bản: - Động chiều, kích từ độc lập - Động chiều kích từ nối tiếp - Động chiều kích từ song song - Động ... đổi Analog Filter V* + Bề rộng xung thay đổi By Lê Anh Tuấn 12/2002 DC Motor - PWM illustration By Lê Anh Tuấn 12/2002 DC Motor - Practical1 VI MẠCH 555/556 Tạo xun...
Ngày tải lên: 28/10/2013, 05:15
... Figure 5, CWDC motors employ both a series and a shunt field The performance of a CWDC motor is a combination of SWDC and SHWDC motors CWDC motors have higher torque than a SHWDC motor while ... to SWDC motors is that they not have precise speed control like PMDC and SHWDC motors have FIGURE 4: DC Voltage Supply SERIES-WOUND DC MOTORS Series Field Armature Brush PERMANENT MAGNET DC...
Ngày tải lên: 22/12/2013, 14:15
Direct torque control of brushless DC motor with non sinusoidal back EMF
... electromagnetictorque when just torque iS controlled _ without flux control under 1.2 N m load with non- ideal trapezoidal back- EMF ,1 (reference torque is 1.225 N m) (a) the back- EMF is not ideally ... the control of a nonsinusoidal brushless dc motor, " in Proc IFEE-JECON Annu Meeting, Orlando, FL, Nov 610, 1995, vol 2, pp 836-843 [9] M Ehsani, R C Becerra, "High-s...
Ngày tải lên: 03/01/2014, 19:44
A park like transformation for the study and the control of a nonsinusoidal brushless DC motor
... therefore in this paper a new transformation which preserves the same advantages as the Park transformation A Mathematical Model of the BDCM We suppose that the motor has the following typical features ... pulsating torque (the homopolar part) and a two-phase motor with a rotating field (the "ap" The classical Park transformation is, in fact, the succ...
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
... torque control of brushless DC motor based on back- EMF vector’ , ELECTROMOTION pp 128-138, 2009 [7] S B Ozturk and H A Toliyat, “Sensorless Direct Torque and Indirect Flux Control of Brushless DC Motor ... control of brushless dc motor with non- sinusoidal back- EMF, ” in Proc IEEE-IEMDC Biennial Meeting, Antalya, Turkey, May 3-5, 2007 [6...
Ngày tải lên: 03/01/2014, 19:45
Direct torque and indirect flux control of brushless DC motor
... maximum torque As a result, in this study, stator flux linkage amplitude is OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR TABLE I SWITCHING TABLE FOR DTC OF BLDC MOTOR ... well OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR Fig Steady state and transient behavior of the...
Ngày tải lên: 03/01/2014, 19:46
Direct torque control of four switch brushless DC motor with non sinusoidal back EMF
... 1709 Salih Baris Ozturk and Hamid A Toliyat, Direct torque control of brushless dc motor with non- sinusoidal back- EMF, ” in Proc IEEE-IEMDC Biennial Meeting, Antalya, Turkey, May 3-5, 2007, vol ... the control of a nonsinusoidal brushless dc motor, ” in Proc IEEE-IECON Annu Meeting, Orlando, FL, Nov 6-10, 1995, vol 2, pp 836–843 Y Liu, Z Q Zhu, and D Howe, Direc...
Ngày tải lên: 03/01/2014, 19:46
Pseudo vector control – an alternative approach for brushless DC motor drives
... improve the performance of the Brushless DC Motor drives The vector- control principle in dq synchronously rotating frame is utilized for the generation of current references only, and the motor currents ... proposed Pseudo- vector Control for BLDCM drives III PRINCIPLE OF PSEUDO- VECTOR CONTROL In the conventional square-wave phase current control (Fig 2), for...
Ngày tải lên: 03/01/2014, 19:46
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... assumptions made for the DC motor model, as the analog tachometer is a DC generator - a DC motor in reverse Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System Kevin Craig 16 Mathematical ... The motor used in this system is the Honeywell 22VM51-020-5 DC Motor with Tachometer The factory specifications are shown in Table Mechatronics...
Ngày tải lên: 25/01/2014, 13:20
The Brook Crompton - Bull dc motor range
... and MD ranges 11 Optional Extras 11 25 26/27 Brook Crompton Worldwide Sales & Service Network 28 9715E Issue DC Motors The Brook Crompton - Bull dc motor range Introduction 0.2 5-1 .5KW Bull Electric ... 9715E Issue DC Motors Contents Page Introduction DC motor range Page MKIII Range Which DC motor? 12 Field System MKlll range 12 Voltage DC motor...
Ngày tải lên: 20/03/2014, 11:58
Brushless DC Motor Control Made Easy potx
... OffsetRead ? Yes Start ADC No Change ADC input to Motor Terminal A Is ADC Done? No Yes ADCOffset = ADC Result Invert msb of ADC Offset State = OffsetRead PWMThreshold = ADCRPM + ADCOffset Limit PWMThreshold ... ADCON1 ; ADC left justified, AN0 only banksel ADCON0 ; setup ADC (bank0) movlw B’11000001’ movwf ADCON0 bsf clrf call clrf ADCON0,GO LastSensor Commutate ADC ; ADC clock from int RC,...
Ngày tải lên: 30/03/2014, 07:20
DC motor control for robot
... Motor control questions Why we need speed control? How is DC motor speed controlled? How is motor direction controlled? What circuits can be used? Reasons for accurate speed control Motor ... 74HC86 Motor control diagram PROCESSOR H-BRIDGE CIRCUIT DC MOTOR ENCODER Control systems What is a control system? What are some examples? What are the types of control sys...
Ngày tải lên: 22/05/2014, 18:05
Thiết kế thi công mạch điều khiển vị trí động cơ DC hồi tiếp Encoder sử dụng PIC18F4431
Ngày tải lên: 21/06/2014, 17:25
DC Motor Servo Encoder Controler
... 29 DC Motor Servo Encoder Controler Tăng Thiên Vũ – Nguyễn Nam Hải KSTN-ĐTVT-K55 30 DC Motor Servo Encoder Controler b Khối Atmega32 Tăng Thiên Vũ – Nguyễn Nam Hải KSTN-ĐTVT-K55 31 DC Motor Servo ... Servo Encoder Controler c Khối Logic,L298 Tăng Thiên Vũ – Nguyễn Nam Hải KSTN-ĐTVT-K55 32 DC Motor Servo Encoder Controler Tăng Thiên Vũ – Nguyễn Nam Hải...
Ngày tải lên: 25/03/2015, 10:12