control circuits for motor

... mathematical model for the VCS with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS ... mentioned facts were motivation for mathemat- ical model formulation and for further research of both the phase angle control and switch mode control behavior for the electromagnetic vibratory ... voltage controlled os- cillator and controller output. This reference value is determi- nated by reference inputs, for amplitude and duration and for frequency. Both of these signals are controlled...

Ngày tải lên: 03/01/2014, 19:16

... same time the situation for the output current controller is as in the example above, only mode 14 satisfies both controllers simultaneously. This results in two direct controllers for both output current ... basics of Direct Torque Control, Direct Current Control and Sliding Mode Control of matrix converters. I. INTRODUCTION In recent years many research results on control methods for matrix converters ... closed loop control of a drive system consisting of matrix converter and induction machine. Slip control and field oriented control are the basic methods applied for closed loop control [4]....

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Ngày tải lên: 28/06/2014, 22:20

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 12/12/2013, 20:34

Ngày tải lên: 18/12/2013, 22:06

... characteristics. Two control loops: inner feed forward current control loop and outer voltage control closed loop are applied for the non-inverting buck-boost converter. The performance of the ... Aero dynamical / Mechanical unit MPPT LPPT Operator Controller speed d Control strategy VSWT Control unit VSWT Electrical unit Fig. 1. Control concept of VSWT with non-inverting buck-boost ... curve at 80% LPP curve at 70% LPP curve at 50% Region of LPPT control Region of MPPT control Power [W] Fig. 6. Regions of MPP and LPP control. T12-122 Over again, the switch logic algorithm...

Ngày tải lên: 03/01/2014, 19:15

... previously described current control techniques for the active filter. The controllers include the implementation of all the aforementioned refinements, so that the achieved performance is, as realistically ... (PLL) control or by a feedforward action operating on the control thresholds [29]–[31]. Fig. 3 shows the sim- plified scheme of the implementation of such a controller. As can be seen, the controller ... the achievable performance on the slope of the current reference. The improvements in the control techniques result in rather satisfactory performance levels for all three controllers. How- ever,...

Ngày tải lên: 03/01/2014, 19:45

... FL controller, (b) control surface of con- ventional PI controller, (c) control surface of FL controller; comparison of current-tracking performance with PI and FL controller: (d) current waveform, and ... Therefore, feedforward signals for the reference and disturbance inputs are added to the feedback control law. Because the control algorithm guarantees the dynamically correct compensation for ... Optimal (mode) discrete modulation controller for RDCL converter. (b) NN discrete modulation controller for RDCL converter. performance of such an off-line trained NN controller depends upon the amount...

Ngày tải lên: 03/01/2014, 19:45

... response for small exogenous signals (reference commands and disturbances). One way to design controllers for systems with bounded controls, would be to solve an optimal control ... closed loop control system were studied extensively. In the presence of saturations the performance of a linear control system can suffer. For example, a linear control system ... investigation was made on the effects on performance of the reset windups for MIMO systems [11] showing potential for improving the performance of the system. A simple case study...

Ngày tải lên: 18/02/2014, 10:20

... single-phase AC motors 78 4.4 DC motors 81 4.5 Motor enclosures 85 4.6 Motor terminal identification and connection diagram 86 4.7 Motor rating and insulation types 88 4.8 Operating a motor for forward ... 6.10 Precautions for start/stop control of AC drives 166 6.11 Control wiring for VSDS 169 6.12 Commissioning VSDs 170 7 Troubleshooting control circuits 173 7.1 Basic control circuits 173 7.2 ... Electrical Equipment and Control Circuits Figure 2.8 Power and control circuit for an inverter drive Devices, symbols, and circuits 27 A few simple control circuits are shown in...

Ngày tải lên: 07/03/2014, 08:20

... instructed before coming for smear collection, that she should not douche the vagina for at least a day before the examination. No intravaginal drugs or preparations should be used for at least ... the requisition form. ➤ Nature and method of sample collection are to be mentioned in the requisition form. (Cytobrush / Spatula / Swab / for gynaecalogical smears and plain/ guided FNAC for aspiration ... mounting, record keeping etc. are applicable to FNA also for optimal quality of diagnosis. Manual for Cytology Manuals for Training in Cancer Control Directorate General of Health Services Ministry...

Ngày tải lên: 14/03/2014, 12:20

... Spy Gadgets for the Evil Genius 125 Physics Projects for the Evil Genius 123 PIC ® Microcontroller Experiments for the Evil Genius 123 Robotics Experiments for the Evil Genius PC Mods for the Evil ... Microcontroller Projects for the Evil Genius Programming Video Games for the Evil Genius Recycling Projects for the Evil Genius Solar Energy Projects for the Evil Genius Telephone Projects for ... Projects for the Evil Genius Bionics for the Evil Genius: 25 Build-It-Yourself Projects Electronic Circuits for the Evil Genius, Second Edition: 64 Lessons with Projects Electronic Gadgets for the...

Ngày tải lên: 16/03/2014, 09:20

... and procedures for local school Infectious Disease Control Guide 24 April 2004 for School Staff Conjunctivitis (Pink Eye) (cont.) Future Prevention and Education Reinforce the use of ... Disease Control Guide 17 April 2004 for School Staff Bites (cont.) 5. Investigate bites for child abuse, if necessary. 6. Retain thorough documentation and evidence. Infectious Disease Control ... and Chapter 70.02 RCW. Refer to Guidelines for Handling Health Care Information in School Records. (See Resources, Appendix XIII, for source.) Therefore, pregnant teachers who may be exposed...

Ngày tải lên: 22/03/2014, 09:20

Ngày tải lên: 22/03/2014, 11:20

... success. Sell more used motorcycles If you primarily sell new motorcycles, you need to incorporate at least two used motorcycles in your goals every month. Since a used motorcycle will generate ... that magic figure that everyone strives for, yet few people in the motorcycle sales industry attain. According to the latest figures, the average income for a motorcycle salesperson is between $35,000 ... Salesperson, Inc. Page 11 Networking for business For as long as you’ve been selling motorcycles, could you conceivably have friends and relatives who don’t know you sell motorcycles? How about people...

Ngày tải lên: 23/03/2014, 12:20

... bạn với sự hỗ trợ của ứng dụng iCloud Control Panel for Windows. 1. Cài đặt Link download icloud control panel for windows: Download icloud control panel for windows Yêu cầu hệ thống: HĐH ... Hướng dẫn cài và sử dụng iCloud Control Panel for Windows Click vào nút Download bạn sẽ thấy hiện ra hộp thoại sau: Hướng dẫn cài và sử dụng iCloud Control Panel for Windows Dịch vụ lưu trữ ... Microsoft Outlook 2007 hoặc 2010. Hướng dẫn cài và sử dụng iCloud Control Panel for Windows Chọn Run và quá trình cài đặt iCloud Control Panel sẽ bắt đầu Chọn Next -> Ở hộp thoại tiếp theo,...

Ngày tải lên: 03/04/2014, 14:20

... writing of the book. Most of the circuits developments were per- formed when I was with the Institute of Neuroinformatics, Z ¨ urich Switzerland. My thanks OUTLINE FOR A VISUAL MOTION PERCEPTION ... from sustainable forestry in which at least two trees are planted for each one used for paper production. viii CONTENTS 4.1.3 Smoothnessandsparsedata 51 4.1.4 Probabilistic formulation . . . ... the relevant information. This includes tasks such as object recognition, coordinate transformation, motion estima- tion, and so forth. Perception is the interpretation of sensory information with...

Ngày tải lên: 01/06/2014, 07:54

... challenging the participant. Adaptive controllers with forgetting factors were recently proposed [50,94] in order to systematically reduce a feedforward assistive force for reaching when tracking errors ... desired trajectory for a robotic therapy controller is essentially the problem of predicting human behavior for a given task – i.e. identify- ing a model of human motor behavior. For relatively sim- ple ... jerk trajectory). Providing assistance for more complex tasks will require developing models of normative motor behavior for these tasks. For example, a recently devel- oped controller predicts human steering...

Ngày tải lên: 19/06/2014, 08:20