... designed to control a brush-less DC motor. However, by constructing a feedback loop that can detect the outputs of an induction motor, we can use this motor controller to control an induction ... for a three -phase inductionmotor drive. This induction motor drive is proposed to be incorporated into a “hybrid car” or an “electric car”. 1.2. Available resources • Motor controller ... compatible voltage supply for the motor controller that will be used for this thesis. • Induction motor. Three -phase, 0.5kW, 4-pole machine. This inductionmotor is only used for the prototype...
... SINGLE- PHASEINDUCTION MACHINES 367 Figure 9.8-5. Free-acceleration characteristics of a capacitor-start single- phaseinduction motor. Figure 9.8-4. Average steady-state torque versus speed ... starting to be used in some of these appli-cations, the single- phaseinductionmotor remains in wide use. As we have mentioned, the single- phaseinduction machine cannot develop a start-ing torque. ... two- phase induction machine to be out of phase. To accomplish this the impedances of the stator windings are made unequal. For example, the split -phase machine is a two -phase induction motor...
... Craig DC Motor / Tachometer Closed-Loop SpeedControl System 11 The DC motor/ tachometer system has a single input and a single output. The input is the voltage applied across the two motor terminals. ... well-behaved speed- torque characteristics, and adaptability to various types of control methods. DC motors are classified as either integral-horsepower motors (≥ 1 hp) or fractional-horsepower motors ... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop SpeedControl System 24 Mechatronics DC Motor / Tachometer Closed-Loop SpeedControl System 1. Introduction This...
... thêm về TextBox và Label ControlsTrong bài 1 quý vị đã làm quen với Label và TextBox controls.Bài này chúng tôi sẽ đi sâu vào một số Methods và Events thông dụng của 2 controls trên.Bây giờ chúng ... têncủa control được sử dụng trong mã chương trình, còn caption là tên hiện ra trên thanh tiêu đề (title bar)của form.2.Ðặt các controls với Properties như bảng1 dưới đây lên form LogIn Control ... phần.Bên trái là danh sách các Controls, bên phải là danh sách các Events của một control tương ứng. Muốn viết mã chương trình cho Event nào chỉ cần click vào tên Control và tên Event, sau đó...
... "BIBLIO.MDB" ' Place controls in Browse Mode SetControls (False) End Sub Private Sub CmdEdit_Click() ' Place controls in Edit Mode SetControls (True) End Sub Khi ta Delete ... công ty (Company Name) và điện thoại Chương Mười Bốn - Dùng Control Data Control DataTừ VB5, Visual Basic cho lập trình viên một control để truy cập cơ sỡ dữ liệu, tên nó chỉ đơn sơ là Data. ... thể thực hiện điều đó bằng cách dùng Control DBCombo (Data Bound Combo). Bạn hãy dùng IDE Menu Command Project | Components để chọn Microsoft Data Bound List Controls 6.0 rồi click Apply. Kế...
... smaller methods for readability. Examine method definitions 1. Start Visual Studio 2005. 2. Open the Methods project in the \Microsoft Press\Visual CSharp Step by Step\Chapter 3 \Methods folder ... MathsOperators application from Chapter 2. This version has been improved by the careful use of some small methods. TIP There is no minimum size for a method. If a method helps to avoid repetition and ... Here's the definition of a method called showResult that does not return a value and has a single int parameter called answer: void showResult(int answer) { // } Notice the use of the...
... algorithm inthe MATLAB Neural Network Toolbox. The performance of anopen-loop volts/Hz speed- controlled inductionmotor drive hasbeen evaluated with the ANN-based modulator and comparedwith that ... Silva, and M. P. Kazmierkowski,“A neural network based space vector PWM controller for voltage-fedinverter inductionmotor drive,” IEEE Trans. Ind. Applicat., vol. 36, pp.1628–1636, Nov./Dec. ... 2000.[3] J. O. P. Pinto, B. K. Bose, and L. E. B. da Silva, “A stator flux orientedvector-controlledinduction motor drive with space vector PWM and fluxvector synthesis by neural networks,” IEEE...
... D. Lorenz, Control topologyoptions for single- phase UPS inverters,” IEEE Trans. Ind. Appl., vol. 33,no. 2, pp. 493–501, Mar./Apr. 1997.[16] P. Mattavelli, “An improved deadbeat control for ... Mar. 19–23, 2006, pp. 348–354.[9] C H. Lai and Y Y. Tzou, “DSP-embedded UPS controller for high-performance single- phase on-line UPS systems,” in Proc. 28th IEEEAnnu. Conf. Ind. Electron. Soc., ... 28–38, Spring 2007.[7] P. K. Jain, J. R. Espinoza, and H. Jin, “Performance of a single- stage UPSsystem for single- phase trapezoidal-shaped AC-voltage supplies,” IEEETrans. Power Electron., vol....
... cumulant-based methods could probably be modifiedto work in the noisy case, as we did in this chapter for methods maximizing theabsolute value of kurtosis.15.4.3 Maximum likelihood methods Another ... noise. Such methods can be found in [63, 263, 471]. The problem is,however, that such methods often use cumulants of order 6. Higher-order cumulantsare sensitive to outliers, and therefore methods ... used in the FastICA algorithm.15.4.2 Higher-order cumulant methods A different approach to estimation of the mixing matrix is given by methods usinghigher-order cumulants only. Higher-order cumulants...