wireless speed control of ac motor pdf

DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

Ngày tải lên : 03/01/2014, 19:15
... of the wind speed, the control of the buck- boost converter perturbs periodically the operating point of the wind turbine. By acquiring the output voltage and current of PMSG, the control used ... variable -speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the Cp curve. This will maximize the power generated for a particular wind speed, ... reach the operating point (k+1). Search rules of the various cases of operation are summarized in the table I. Fi g.4. Operation modes of buck boost converter 2 Unlike constant -speed control, ...
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Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor

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
... shapes require very fast controllers in particular at high speed. Classical bandwidth of the controller (such as proportional– integral) does not allow tracking all of the reference current ... trajectory of stator flux linkage in the stationary αβ – plane. Direct Torque and Indirect Flux Control of Brushless DC Motor with Non-sinusoidal Back-EMF without position sensor Abstract: ... efficiency control strategies of an induction motor, ” IEEE Trans. Ind. Appl., vol. 22, no. 5, pp. 820–827, Sep./Oct. 1986. [2] M. Depenbrock, “Direct self -control of inverter-fed induction machine,”...
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Direct torque and indirect flux control of brushless DC motor

Direct torque and indirect flux control of brushless DC motor

Ngày tải lên : 03/01/2014, 19:46
... analysis and design of electrical machines, variable -speed drives for traction and propulsion applications, fault diagnosis of electric machinery, and sensorless variable -speed drives. He has supervised ... I. J. Ha and C. I. Kang, “Explicit characterization of all feedback lineariz- ing controllers for a general type of brushless dc motor, ” IEEE Trans. Autom. Control, vol. 39, no. 3, pp. 673–677, ... great deal of study has been devoted to the current and torque control methods employed for BLDC motor drives. One of the most popular approaches is a generalized harmonic injection approach by numerical optimization...
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Direct torque control of four switch brushless DC motor with non sinusoidal back EMF

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

Ngày tải lên : 03/01/2014, 19:46
... characteristics. Furthermore, to eliminate the low-frequency torque oscillations caused by the non-ideal trapezoidal shape of the actual back-EMF waveform of the BLDC motor, pre-stored back-EMF ... characteristics. Furthermore, to eliminate the low-frequency torque oscillations caused by the non-ideal trapezoidal shape of the actual back-EMF waveform of the BLDC motor, a pre-stored back-EMF ... electromagnetic torque result is well in accordance with the simulation result obtained in Fig. 8. Since only the torque is controlled without speed control, the time range of control system under transient...
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Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

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

Ngày tải lên : 25/01/2014, 13:20
... Furthermore, the control of AC actuators was a difficult task at that time. Today, AC motors are also widely used as servo-motors, employing modern methods of phase- voltage control and frequency control ... DC Motor / Tachometer Closed-Loop Speed Control System 8 In the early days of analog control, servo-actuators (actuators that automatically use response signals from a process in feedback ... Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 21 Table 1. Specifications of the Honeywell 22VM51-020-5 DC Motor with Tachometer Motor Characteristics Units Values...
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Tài liệu CONTROL OF ORGANIC COMPOUND EMISSIONS FROM CHEMICAL, COATINGS AND RUBBER PRODUCTS MANUFACTURING pdf

Tài liệu CONTROL OF ORGANIC COMPOUND EMISSIONS FROM CHEMICAL, COATINGS AND RUBBER PRODUCTS MANUFACTURING pdf

Ngày tải lên : 14/02/2014, 08:20
... either of the following occur: (a) All of the control device is replaced. (b) The cost of repair of the control device or the cost of replacement of part of the control device exceeds 50% of the ... all operations at phar- maceutical manufacturing facilities involved in the manufacture of pharmaceutical products by chemical synthesis, with the exception of any reactor, distillation unit, ... operator of a synthesized pharmaceutical manufacturing facility shall: 1. Equip each vent from reactors, distillation operations, crys- tallizers, centrifuges, or vacuum dryers with surface condensers or...
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Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

Ngày tải lên : 19/02/2014, 05:20
... Control Analysis. To assess the control of fluxes and intermediates, we took a modular approach (Fig. 5). Metabolic control of fluxes Control coefficients of the six modules of oxidative phosphorylation ... and accumulation of biologically active molecules [e.g. long-chain acyl-CoAs (LCACs), ceramide, diacylglyc- erol] could adversely affect cellular function by direct effects on a variety of enzymes ... the sites of action of palmitoyl-CoA, the system of oxidative phosphorylation was conceptually subdivided into a small number of functional modules interacting via a limited number of intermediates....
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Tài liệu Một số thuốc mới chống rối loạn lipid máu (New drugs for the control of dyslipidemia) pdf

Tài liệu Một số thuốc mới chống rối loạn lipid máu (New drugs for the control of dyslipidemia) pdf

Ngày tải lên : 26/02/2014, 03:20
... trọng cũng nh khi dùng riêng statin. Acid béo không no một nối đôi Không phải là thuốc mới nhng còn ít ngời Việt Nam biết dùng. Còn gọi là acid oleic, acid omega 9 có nhiều trong dầu olive, ... làm tăng mạnh HDL - C. Dùng riêng, rosuvastatin rất dễ dung nạp, kể cả khi phối hợp với fenofibrat, niacin, cholesteramin, dáng dấp an toàn tơng tự các statin đang lu hành. * Pitavastatin Uống ... ruột của cholesterol do thức ăn mang vào và cả cholesterol nội sinh từ acid mật, cắt đứt "chu kú ruét - gan" cña acid mËt. Ezetimibe hÊp thụ nhanh sau khi uống, qua phản ứng liên hợp...
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Analysis of strategy of Toyota Motor Corporation operating in Vietnam pdf

Analysis of strategy of Toyota Motor Corporation operating in Vietnam pdf

Ngày tải lên : 11/03/2014, 02:20
... Motor Manufacturing, Inc with General Motor in USA in 1983. Part 2: Business strategies of the TMC in Vietnam 1. Toyota Motor Viet Nam (TMV) Company name: Toyota Motor Company Vietnam Date of ... over 2009. In addition, sales of Toyota genuine accessory reached nearly 550 billion dong, up 30.6% over 2009. According to the report of researching customer satisfaction when buying cars in Vietnam ... fairly quiet place. The numbers as 2 months of 2008, Vietnam population nearly $ 400 million spent entered car, motorcycle sales are a member of the Association of Vietnam Automobile Manufacturers...
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Take Control of Your Airport Network pdf

Take Control of Your Airport Network pdf

Ngày tải lên : 14/03/2014, 22:20
... http://www.tidbits.com/takecontrol/. Take Control of Upgrading to Panther, by Joe Kissell Take Control of CnstomizingPanther, by Matt Neuburg Take Control of Users &Accounts in Panther, by ... Take Control of Sharing Files in Panther, by Glenn Fleishman Take Control ofEmail with Apple Mail, by Joe Kissell Take Control of Spam with Apple Mail, by Joe Kissell Take Control ofMakingMusic ... Take Control ofBuyinga Mac, by Adam C. Engst Take Control of What's New in Entourage 2004, by Tom Negrino Take Control of What's New in Word 2004, by Matt Neuburg Take Control...
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Plant physiology - Chapter 24 The Control of Flowering pdf

Plant physiology - Chapter 24 The Control of Flowering pdf

Ngày tải lên : 16/03/2014, 22:20
... oscillation of sensitive and insensitive phases in the absence of dawn and dusk light signals is characteristic of a variety of processes controlled by the circadian oscillator. The Leaf Is the Site of ... sufficient amount of the floral stimu- lus to the apex. The Control of Flowering 567 Adult phase Juvenile phase Petiole Intermediate stages Flattened petiole FIGURE 24.10 Leaves of Acacia heterophylla, ... Sepal Carpel Carpel Genes Whorl AC (A) Wild type (B) Loss of C function (C) Loss of A function (D) Loss of B function FIGURE 24.8 Interpretation of the phe- notypes of floral homeotic mutants based...
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