dc motor speed control methods using matlab simulink

Ngày tải lên: 01/01/2014, 18:43

Ngày tải lên: 08/04/2014, 09:58

Ngày tải lên: 08/04/2014, 10:26

... newtons/meter/sec      ˙x 1 ˙x 2 ˙x 3 ˙x 4      =      0100 − k m 1 − c m 1 k m 1 c m 1 0001 k m 2 c m 2 − k m 2 − c m 2           x 1 x 2 x 3 x 4      +      0 1 m 1 0 0      u 4 K p K i K d controller 1 100 controller 2 10 0 0 controller 3 20 0 0 controller 4 20 1 0 controller 5 20 1 20 Plot all the unit-step output (y(t) ... value. We are interested in three types of controllers: 6.2.1 Proportional Control (P -control) : This is the simplest type of continuous control law. The controller output is made proportional to the ... Engineering ME134 Automatic Control Systems Spring 2002 Report Due: Tuesday, February 26 One report per group is required. Control Systems Simulation Using Matlab and Simulink 1 Introduction In...

Ngày tải lên: 12/12/2013, 07:15

... compared to its predecessor, RClass. Using RClass * , two kinds of rules, certain rules and possible rules, can be induced from examples. RClass * was validated using an example gleaned from literature. ... in many real-life applications such as medical diagnosis [Slowinski, 1992], control algorithm acquisition and process control [Mrozek, 1992], and structural engineering [Arciszewski and Ziarko, ... concept. This is achieved by using a simple but effective GA-based search engine. 3. Simplifying the decision rules discovered by the GA-based search engine. This is realized using the Boolean algebraic...

Ngày tải lên: 22/12/2013, 21:18

... [13] 3 tdcdc PVIVI== (3) Where, V dc , I dc are DC side voltage and current, respectively. The mean value of DC voltage is shown like the following. 6 max 6 3 cos dc LL VVd π π θθ π − = ∫ ... Operation modes of buck boost converter 2 Unlike constant -speed control, a variable -speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the ... proposed MPPT control method. Fig.7: Wind turbine output power without MPPT control method for low wind speed. Fig.8: Wind turbine output power with MPPT control method for low wind speed. ...

Ngày tải lên: 03/01/2014, 19:15

... 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 • ... 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 ... power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 5 Most...

Ngày tải lên: 25/01/2014, 13:20

Ngày tải lên: 27/06/2014, 17:20

... 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

Ngày tải lên: 18/12/2013, 22:06

Ngày tải lên: 03/01/2014, 19:44

Ngày tải lên: 03/01/2014, 19:44

... 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...

Ngày tải lên: 03/01/2014, 19:45

... 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 ... 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 optimum level, while the motor speed is less...

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 ... 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 ... 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....

Ngày tải lên: 03/01/2014, 19:46

... 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 ... 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...

Ngày tải lên: 03/01/2014, 19:46

... to apply these methods is to use a good control system design software package such as the MATLAB Control System Toolbox. MATLAB and related products, such as Simulink and the Control System ... Control and Feedback Control In many control system designs, it is possible to use either open-loop control or feedback control. Feedback control systems measure the system parameter being controlled ... common example of a control system is the cruise control in an automobile: The cruise control manipulates the throttle setting so that the vehicle speed tracks the commanded speed set by the driver. In...

Ngày tải lên: 19/03/2014, 14:09

... Setup ADC (bank1) movlw B’00001110’ ; ADC left justified, AN0 only movwf ADCON1 banksel ADCON0 ; setup ADC (bank0) movlw B’11000001’ ; ADC clock from int RC, AN0, ADC on movwf ADCON0 bsf ADCON0,GO ... reading ;********************************************************************** ;* ;* 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 ... the speed control potentiometer ;* and start the next reading ;* btfsc ADCON0,NOT_DONE ; is ADC ready? return ; no - return movf ADRESH,w ; get ADC result bsf ADCON0,GO ; restart ADC movwf ADC...

Ngày tải lên: 30/03/2014, 07:20

... Modeling of Various Components of Pitch Control System 438 9.4.5 Simulink Model of Pitch Control in Flight 440 9.4.5.1 Simulink Model of Pitch Control in Flight Using Nonlinearities 440 9.4.6 Study ... Nonlinearities in Flight Control of Aircraft 435 9.4.1 Basic Control Surfaces Used in Aircraft Maneuvers 435 9.4.2 Principle of Flight Controls 435 9.4.3 Components Used in Pitch Control 437 9.4.4 Modeling ... Systems Using MATLAB and Simulink The function  le contains the differential equation of bumper as below: function dvdx=bumper(x,v) global k m dvdx=-(k * v^2 * (x+1)^3)/m; When the above MATLAB...

Ngày tải lên: 01/04/2014, 10:55

Ngày tải lên: 13/05/2014, 00:55