The presented paper deals with the implementation of the Switching Table Based Direct Torque Control (ST-DTC) in the matrix converter-fed induction motor drive. In order to improve the control of the matrix converter input power factor, the use of the simplified Indirect Space Vector Modulation (ISVM) was proposed. To verify the feasibility of the proposed solution, experimental results were pr...

Newton-Raphson State Estimation method using bus admittance matrix remains as an efficient and most popular method to estimate the state variables. Elements of Jacobian matrix are computed from standard expressions which lack physical significance. In this paper, elements of the state estimation Jacobian matrix are obtained considering the power flow measurements in the network elements. These ...

for the first time in English an authentic treatise on this subject. Such a work could only be the product of a master of his subject and Palmer Findley has long been recognized as a leader in American Obstetrics. Bearing in mind that "History is the essence of innumerable biographies" the author has used this approach to the subject with great effectiveness. The great personalities of obstetri...

We propose and demonstrate a mode-division-multiplexed transmitter by employing VCSEL-based 2-D matrix multi-plane light converter (MPLC). The triangular spots from VCSELs are designed with 250-m pitch in both x- y- directions for scalable low-loss mode multiplexing. directly modulated co-packaged BiCMOS drivers on silicon interposer, fabricated wafer level. MPLC is utilized to form seven phase...

The majority of lab-based X-ray sources are polychromatic and not easily tunable, which can make the 3D quantitative analysis multi-component samples challenging. lack effective materials separation when using conventional tube has motivated development a number potential solutions including application dual-energy computed tomography (CT) as well use filters. Here, we demonstrate simultaneous ...

It is well known that the parabolic partial differential equations in two or more space dimensions with overspecified boundary data, feature in the mathematical modeling of many phenomena. In this article, an inverse problem of determining an unknown time-dependent source term of a parabolic equation in general dimensions is considered. Employing some transformations, we change the inverse prob...

ing symbolic matrices Special issue on artificial intelligence and symbolic computation Randa Almomen · Alan P. Sexton · Volker Sorge © Springer Science+Business Media B.V. 2012 Abstract We present a procedure that allows the abstraction of elements in concrete symbolic matrices to obtain a more compact representation employing ellipses in order to expose homogeneous regions present in a matrix...