block diagram dc motor speed control system

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

Ngày tải lên : 25/01/2014, 13:20

... 0.5 A V @ 1.0 A A schematic diagram of a DC motor is shown in Figure Figure Schematic Diagram of a DC Motor Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System Kevin Craig 10 Motion ... 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 DC Motor / Tachometer Closed-Loop Speed Control System...

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Numerical analysis of a brushless permanent magnet DC motor using coupled systems

Ngày tải lên : 16/09/2015, 12:26

... permanent magnet motors are broadly classified into: • Brushed DC motor (or) PMDC commutator motor: The construction of a permanent magnet DC motor( PMDC) is similar to a DC conventional motor with the ... determination of torque -speed characteristics of the BLDC motor BLDC motors cannot work without the electronic controllers In order to analyze the motor with a controller as an actual system, a new approach ... rotor BLDC motor configuration 1.4 Exterior rotor BLDC motor configuration 1.5 Axial field type BLDC motor configuration 1.6 Basic components of the BLDC motor...

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DC motor position and speed tracking (PAST) system using neural networks

Ngày tải lên : 04/10/2015, 10:25

... Evaluation of the AIM 42 Figure 3.7: Block Diagram for Speed Tracking 42 Figure 3.8: Speed Tracking System for the DC Motor 45 DC motor Position and Speed Tracking(PAST) System Using Neural Networks ... PAST system 3.2 Model of the DC Motor DC motors have been used in advanced control algorithms in DC drives because of their stable and straightforward characteristics The DC motor takes in a DC Motor ... Actual (DC Motor) Speeds with the Closed Loop Control System Figure 4.40: 90 91 Speed Error Between the Reference (desired) and the Actual (DC Motor) Positions with the Closed Loop Control System...

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Tài liệu Speed Control of DC Manchines pptx

Ngày tải lên : 17/12/2013, 14:15

... Đặc tính tải Thêm Radd nối tiếp cuộn dây phần ứng Example 1: Example 2: Example 3: Đặc tính động DC kích từ nối tiếp Example 4: Example 5: ...

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SIMULATION AND SPEED CONTROL OF INDUCTION MOTOR DRIVES

Ngày tải lên : 18/12/2013, 22:06

... following block diagram shows the closed loop V/f control using a VSI 38 | P a g e Simulation and Speed Control of Induction Motor Drives 2012 Figure 4.4: Block diagram for closed loop V/f control ... suitable speed control methods The basic block diagram of an electrical drive is shown below: SOURCE POWER MODULATOR MOTOR CONTROL UNIT LOAD SENSING UNIT INPUT COMMAND Figure 1.1: Block diagram ... drive Earlier only dc motors were employed for drives requiring variable speeds due to ease of their speed control methods The conventional methods of speed control of an induction motor were either...

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

Ngày tải lên : 03/01/2014, 19:44

... two-phase switching states of the inverter voltage space vectors for a BLDC motor Usually the overall control system of a BLDC motor drive includes three hall-effect position sensors mounted on the ... difficulty of the flux control if it is used in the control scheme The steady-state speed is 30 mechanical rad/s and the dclink voltage Vd, equals 33.94 V Since the speed is controlled a better ... inductance, motor speed, snubber circuit, and the amount of load torque If a BLDC motor has an ideal trapezoidal back-EMF having a 120 electrical degree flat top, one current sensor on the dclink...

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A park like transformation for the study and the control of a nonsinusoidal brushless DC motor

Ngày tải lên : 03/01/2014, 19:44

... current control schemes for PWM inverters feeding BDCM have been studied and reported in the litterature, mainly: the hysteris controller and the linear controller [ 101 In the hysteresis current control ... Characterization ofthe studied motor IV CONTROL SCHEME FOR BDCM In this paper, two different control schemes are studied They are simulated using data corresponding to a motor with a very simple design ... performances can be obtained at low and medium speeds A high speed, the phase shift introduced by the t controller may become unacceptable A large bandwith controller is thus needed to minimize the...

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

Ngày tải lên : 03/01/2014, 19:45

... Title 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 ... 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 ... equation (6) eliminates the speed term in the denominator which causes problem at zero and near zero speeds 2.3 Control of Stator Flux Linkage Amplitude Since BLDC motor does not have sinusoidal...

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Direct torque and indirect flux control of brushless DC motor

Ngày tải lên : 03/01/2014, 19:46

... FLUX CONTROL OF BRUSHLESS DC MOTOR TABLE I SWITCHING TABLE FOR DTC OF BLDC MOTOR USING THREE-PHASE CONDUCTION indirectly kept at its optimum level, while the motor speed is less than the base speed ... Overall block diagram of the position-sensorless direct torque and indirect ﬂux control (DTIFC) of BLDC motor drive using three-phase conduction Fig Experimental test-bed (a) Inverter and DSP control ... BLDC motor drives that is similar to the conventional DTC used for sinusoidal ac motors where both torque and ﬂux OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR...

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

Ngày tải lên : 03/01/2014, 19:46

... 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 ... regulation are showed in Fig for four-switch DTC of BLDC motor drive The overall block diagram of the closed-loop fourswitch DTC scheme of a BLDC motor drive in the constant torque region is represented ... FOUR-SWITCH DTC OF BLDC MOTOR DRIVE (CCW) (a) (b) (c) factors such as sampling time, dclink voltage, hysteresis bandwidth, motor parameters especially the winding inductance, motor speed, snubber...

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

Ngày tải lên : 03/01/2014, 19:46

... the system is nearly the same as of the conventional control system for BLDC motor (Fig 2) The motor is fed by a PWM-controlled MOSFET inverter As we can see in Figs and 3, the currents are controlled ... Look-up Table Speed ωm Fig Block- diagram of the proposed Pseudo-vector Control for BLDCM drives III PRINCIPLE OF PSEUDO-VECTOR CONTROL In the conventional square-wave phase current control (Fig ... block- diagram of Vector Control for PMSM drives 1535 − + * ia kT T* * ib I* * ic + − + − * va + − * vb * vc ia ib = −(ia + ic ) ic Fig Typical block- diagram of Phase Current Control for BLDCM drives...

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Brushless DC Motor Control Made Easy potx

Ngày tải lên : 30/03/2014, 07:20

... 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, AN0, ADC ... ;********************************************************************** ;* ;* Main control loop ;* Loop call ReadADC ; get the speed control from the ADC incfsz ADC,w ; if ADC is 0xFF we’re at full speed - skip timer add goto PWM ; add Timer0 to ADC for PWM movf...

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DC motor control for robot

Ngày tải lên : 22/05/2014, 18:05

... 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 speed ... 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 systems? How are control systems ... cruise control Closed loop control system INPUT SUM GAIN PLANT FEEDBACK OUTPUT = (INPUT – OUTPUT) X GAIN Motor control diagram PROCESSOR H-BRIDGE CIRCUIT DC MOTOR ENCODER PID Closed loop control system...

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ZO3 SYSTEM BLOCK DIAGRAM potx

Ngày tải lên : 06/07/2014, 07:20

... VIDEO_2 VIDEO_3 DDC_IN1 DDC_IN2 10 11 CRTDCLK CRTDDAT GND DDC_OUT1 DDC_OUT2 12 DDCCLK_1 DDCDAT_1 L3 L4 BLM18BA220SN1_6 BLM18BA220SN1_6 CRTVSYNC CRTHSYNC IV@0_4 R41 (7) INT_CRT_DDCDAT C4 1U_4 IV@0_4 ... INT_CRT_DDCDAT R95 *10K_4 HDCP_ROM_SCLK 10K_4 HDCP_ROM_SDATA *10K_4 DDC_CLK3_R 10K_4 DDC_DATA3_R AD25 AC26 L22 K22 HDCP_ROM_SCLK HDCP_ROM_SDATA DDC_CLK3 DDC_DATA3 6.2K_4 HPLUG_DET2_R AL32 HPLUG_DET2 ... LAN_INT G17 C18 MDCLK MDIO HDA_SDOUT_ADO (19) HDA_SDOUT_MDC (19) HDA_SYNC_ADO (19) HDA_SYNC_MDC (19) HDA_BITCLK_ADO (19) HDA_BITCLK_MDC (19) HDA_RESET#_ADO (19) HDA_RESET#_MDC (19) C3A: EMI Solution...

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DC Motor Control docx

Ngày tải lên : 09/07/2014, 20:20

... rated torque Tr = 30 N.m DC Motor With Bipolar PWM Excitation DC Motor Model Simulation Results Voltage Average Applied To Motor MOTOR SPEED (rad/s) Motor Current (A) DC Motor with unipolar PWM ... single winding with dc motors, and are the phase values for a BLDC motor Brushless dc motors (BLDC) are usually phase synchronous motors used in a configuration to be treated as dc drives Also note, ... running of a DC motor with PWM (unipolar) excitation (5 hp 240V 1200 rpm) rated torque Tr = 30 N.m DC Motor Model Simulation Results Voltage Average Applied To Motor Motor Speed (Rad/S) Motor Current...

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Xe ô tô BMW X5 E70 SM 08_E70 Climate Control Systems

Ngày tải lên : 19/10/2012, 13:50

... two water valves 10 E70 Climate Control Systems Air Flow Control/ Blower Speed Control Air flow control is dependent on the following settings and parameters Blower control automatic mode If automatic ... externally controlled control valve Screw fastening point of lines Pressure line to A/C condenser 40 E70 Climate Control Systems A/C Compressor Control The IHKA is the master for controlling ... 43 E70 Climate Control Systems Rear Automatic Air Conditioning System (FKA) FKA Control Unit The FKA is incorporated in the vehicle system via the K-CAN The FKA operating unit and control unit...

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Shop Manual & ETM BCM KIA Cerato 2010 - Auto Lighting Control System

Ngày tải lên : 22/10/2012, 15:55

... (Auto) 2010 > G 1.6 DOHC > Body Electrical System Circuit Diagram Tail lamps Body control module (BCM) Language 2010 > G 1.6 DOHC > Body Electrical System Language Inspection Operate the auto ... Electrical System Language Inspection In the state of IGN1 ON, when multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled ... head lamp low relay output are controlled according to auto light sensor's input The auto light control doesn't work if the pin sunlight supply (5V regulated power from Ignition power to sunlight...

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Điều khiển số (Digital Control Systems

Ngày tải lên : 05/03/2013, 17:01

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Bộ điều khiển số PID điều khiển DC motor

Ngày tải lên : 23/04/2013, 14:48

... thành loại sau: + Động điện DC kích từ nam châm vĩnh cửu + Động điện DC kích từ độc lập + Động điện DC kích từ nối tiếp + Động điện DC kích thích song song + Động điện DC kích từ hỗn hợp (Gồm cuộn ... CAP2 R3 4k7 R2 1K 1K R1 4k7 R5 1K T7 C1815 OPT2 TB1 TBLOCK T8 C1815 R6 1K 817C - OPTO R8 330R Control GND ADT1 +12v D5 1N4007 GND Control Control 2 SIL1 CONN-SIL4 ADAPTER VCC Hình 4.15 Sơ đồ ... so sánh cho ADC - Chân 32 : AREF điện áp so sánh tín hiệu vào ADC - Chân 33 đến 40 : Cổng vào liệu song song A ( PORTA ) tích hợp chuyển đổi tín hiệu tương tự sang tín hiệu số ADC ( analog to...

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DC Motor - Content

Ngày tải lên : 28/10/2013, 05:15

... 12/2002 DC Motor - Speed Control PHƯƠNG PHÁP ĐIỀU CHỈNH TỐC ĐỘ ω= U ng Kφ − R f + Ru Kφ Rf I ω ω1 Rf1 ω2 Rf2 M Ung Rư,K, φ Mt M ω Rf Ung ω1 Ung1 ω2 M Ung2 Rư,K, φ Mt M By Lê Anh Tuấn 12/2002 DC Motor ... 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 xung nhau, tần số f = 1.49 ( RA ... Tuấn 12/2002 DC Motor - Practical2 PWM SỬ DỤNG IC 555 Mạch dùng điều khiển động 6V, 0.5 A với đầu vào Vin=9V U1: tạo nhịp, tần số làm việc U2: Chu kỳ làm việc By Lê Anh Tuấn 12/2002 DC Motor - Practical3...

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