wireless dc motor speed and direction control using rf communication pdf

... you can control the direction in which the timeline moves as well as its speed by using ActionScript. In fact, by combining scripting elements (which control direction) with the onEnterFrame ... < Day Day Up > Controlling the Playback Speed and Direction of a Timeline Normally, a movie's timeline plays in a forward direction at a pace dictated by the fps ... the main timeline is between Frames 50 and 100. Using the _currentframe property in conjunction with a gotoAndPlay() action allows you to control the direction as well as the pace in which...

Ngày tải lên: 24/12/2013, 07:17

... CRC Press LLC and III CFFR =− α (12.3) II I EFRR =− + α (12.4) and ()() III BFFRR =− +− 11 αα (12.5) where I ES and I CS are the base-emitter and base-collector ... reference and output currents for the β F from 40 to 200. Assume that for both figures, VV CC = 10 , RK C = 50 Ω and VV BE = 07 Solution We use Equation (12.50) to calculate I R and ... for the simple current mirror and Wilson current source. Figure 12.12 Percentage Error between Reference and Output Currents for Simple Current Mirror and Wilson Current Source ...

Ngày tải lên: 13/12/2013, 01:15

... Figure 7.1 General Two-Port Network I 1 and V 1 are input current and voltage, respectively. Also, I 2 and V 2 are output current and voltage, respectively. It is assumed that the ... V 1 and I 1 in terms of the secondary (receiving end) variables V 2 and - I 2 . The negative of I 2 is used to allow the current to enter the load at the receiving end. Examples 7.5 and ... problems involving paral- lel, series and cascaded two-port networks is shown. Example problems in- volving both passive and active circuits will be solved using MATLAB. 7.1 TWO-PORT NETWORK...

Ngày tải lên: 13/12/2013, 01:15

... polar, contour and 3-D plots, and bar charts. MATLAB also allows one to give titles to graphs, label the x- and y-axes, and add a grid to graphs. In addition, there are commands for controlling ... 56, 27 and 43 (b) 5, 12 and 13. â 1999 CRC Press LLC â 1999 CRC Press LLC 2.3 LOGARITHMIC AND POLAR PLOTS Logarithmic and semi-logarithmic plots can be generated using the commands loglog, ... implying, plot x versus y using green color. Line and mark style may be added to color type using the command plot(x, y, ’+w’) The above statement implies plot x versus y using white + marks....

Ngày tải lên: 19/01/2014, 20:20

... Contributors and Reviewers Christian Bauwens Debra Bowman Lenny Brunson Jackie Collins Ralf Durben Brian Fry Anthony Holbrook Karlene Jensen Sarah Jones Glenn Maslen Sundar Nagarathnam Sandra Schrick Ulrike ... Oracle Corporation; it is provided under a license agreement containing restrictions on use and discloĆ sure and is also protected by copyright law. Reverse engineering of the software is prohibited. ... Rights and the folĆ lowing legend is applicable: Restricted Rights Legend Use, duplication or disclosure by the Government is subject to restrictions for commercial computer software and shall...

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Ngày tải lên: 03/01/2014, 19:44

... α s V and β s V and currents α s i and β s i , then by using (1) and (4) q- and d-axis flux linkage are drived. Also, by usig (4) q- and d-axis current are calculated. Finally, by using ... 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

... well. A PPENDIX I S PECIFICATIONS AND P ARAMETERS OF THE BLDC M OTOR A PPENDIX II OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 357 Fig. 7. Steady state and transient behavior ... Brushless DC Motor Salih Baris Ozturk, Member, IEEE, and Hamid A. Toliyat, Fellow, IEEE Abstract—In this paper, the position-sensorless direct torque and indirect flux control of brushless dc (BLDC) motor ... 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 in several high-performance...

Ngày tải lên: 03/01/2014, 19:46

... 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 ... error, wearout, and related problems. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 11 The DC motor/ tachometer system has a single input and a single output. ... 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...

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Ngày tải lên: 03/01/2014, 19:44

... 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 ... unpredictable and depends on several factors such as sampling time, dc- link voltage, hysteresis bandwidth, motor parameters especially the winding inductance, motor speed, snubber circuit, and the ... be controlled using hysteresis controllers, then those voltage space vectors cannot be used in two-phase BLDC motor drive. On the other hand, even though voltage vectors shown in Fig. 3(c) and...

Ngày tải lên: 03/01/2014, 19:46

... 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 ... emphasis the performance of the controlled system, the speed control loop is omitted in the Figs. 1 - 3 and the currents are controlled by hysteresis (bang-bang) techniques. A. Performance of ... stator current and the sinusoidal rotor flux. High- performance PM synchronous motor drives are regulated by the well-known vector control method, in which motor currents are controlled in synchronously...

Ngày tải lên: 03/01/2014, 19:46

... stem in vec t h at the d and h ance the pe r o control A Idc so that l er G IC is pr o principle o f , t or form the q varia b r formance o f and sep a and d e o vided. f ... ) and (4) de s e quations o n n ce is decou p r d as seen i n b y the matri x g s, the dead b s cribe the sy n e can see t h p led. To en h n figure 3. T o x es F dc and A b eat control l Figure ... unb o ltage alanced loa d d and contr o o lled DC li n n k a F a w d Since the d e f or three ph a a nd extende F igure 2. It c a nd the DC w ell as dc li summary. T d escribe the e ad...

Ngày tải lên: 19/01/2014, 02:20

... OnUpdateCommand="dgRegion_UpdateCommand" OnCancelCommand="dgRegion_CancelCommand" OnEditCommand="dgRegion_EditCommand" OnDeleteCommand="dgRegion_DeleteCommand" ... DataGrid control. The lines of code that you will need to add are the ones for OnUpdateCommand, OnCancelCommand, OnEditCommand, and OnDeleteCommand. By entering these lines as they are listed and ... being updated back to the server for the add and edit in the next step. 5.7 Add, Edit, and Delete Data Using the DataGrid Control The Table controls and DataRepeater are fine when I have small...

Ngày tải lên: 21/01/2014, 12:20

... module and can be conducted simultaneously. Module 4: Managing Applications and Services by Using Process Control 15 Process Control Components  Process Control Service  Process Control ... Process Control service. It is a graphical user interface from which you can configure and manage processes and process groups. Process Control command-line utility ProcCon.exe A command-line ... processes and process groups  Managing processes by using the command line  Backing up and restoring process control information from the command line  Identifying best practices for using...

Ngày tải lên: 24/01/2014, 10:20

... interface, see figure 1. It directs the dia- logue, assists the instantiator and deep generator and communicates with the background system. DM can be viewed as a controller of resources and ... dialogue object and another action'to integrate - 236 - A DIALOGUE MANAGER USING INITIATIVE-RESPONSE UNITS AND DISTRIBUTED CONTROL Arne J0nsson Department of Computer and Information ... trip to Greek islands which re- stricts the search in the database to Greek islands for a large part of the ensuing dialogue. The communication is hierarchically structured using three different...

Ngày tải lên: 24/03/2014, 05:21