... factor recursive least square (VFFRLS) algorithm is proposed in this paper for online identifying the equivalent series resistance and capacitance C of ultracapacitors. In this work, a real-time error-based strategy is developed to adaptively regulate the value of the forgetting factor of traditional...

... to validate the optimized design, which can ensure an excellent noise reduction effect and weaker negative impacts. Findings A suitable capacitance value in PDS is a key to realizing the damping effect. A larger copper wire can improve the noise reduction performance of PDS and reduce its Joule losses...

...Stephan Mühlbacher-Karrer; Juliana Padilha Leitzke; Lisa-Marie Faller; Hubert Zangl Purpose This paper aims to investigate the usability of the non-iterative monotonicity approach for electrical capacitance tomography (ECT)-based object detection. This is of particular importance with respect...

... Publishing Limited 2014 Analytical methods Numerical methods Electrical machines Microstructures Capacitance Electrical power systems It is well known that the narrowness of the current paths in the body of the contact members causes an additional resistance, named contact constriction...

... by using electrical capacitance tomography (ECT). Design/methodology/approach A 2D electrostatic finite element model is used to calculate the capacitances between electrode pairs. A reconstruction algorithm with low computation time provides suitable images for subsequent image processing techniques...

.... Design/methodology/approach The small‐signal equivalent circuit for RF power LDMOS method is used to analyze the proposed structure and the simulation and optimization are done using 2D simulator MEDICI. Findings This improved structure is clearly decreasing drain‐substrate parasitic capacitance...

.../methodology/approach The small‐signal equivalent circuit for RF power LDMOS method is used to analyze the proposed structure and the simulation and optimization are done using the computer‐aided design tools. Findings This improved structure is clearly decreasing drain‐substrate parasitic capacitance...

... applications. © Emerald Group Publishing Limited 2009 Flow Image processing Capacitance Electrical conductivity Electrical tomography, in the form of electrical capacitance tomography (ECT) or electrical resistance tomography (ERT), can be applied for the non‐invasive imaging...

...Oszkar Biro; David A. Lowther; Piergiorgio Alotto; Daniel Watzenig; Gerald Steiner; Anton Fuchs; Hubert Zangl; Bernhard Brandstätter Purpose The investigation of the influence of the modeling error on the solution of the inverse problem given uncertain measured data in electrical capacitance...

...L. Song; A. Konrad In the design of chip carriers, appropriate analysis tools can shorten the overall production cycle and reduce costs. Among the functions to be performed by such computer‐aided engineering software tools are self and mutual capacitance calculations. Since the method of moments...

...F.H. Read The boundary element method has been used to obtain the electrical capacitances of the unit equilateral triangle, square, regular tetrahedron and cube. For each of these objects, a series of values of the number N of segments has been used and then empirical formulae have been used...

...Bernhard Brandstätter; Gert Holler; Daniel Watzenig Electrical capacitance tomography (ECT) is a technique for reconstructing information about the spatial distribution of the contents of closed pipes by measuring variations in the dielectric properties of the material inside the pipe...

... of the paper is the technique used to model the distributed capacitive effects in insulation between coils, by concentrating them in an “Extended II scheme”, an infinite circuit which is optimally reduced to a finite one. The results are in qualitative agreement with the experimental ones. © MCB UP Limited...

...J.A. Dias Pinto; A. Paulo Coimbra; Paulo G. Pereirinha; C.F. Lemos Antunes In this paper the per phase inductance and the capacitance to neutral of a 220kV three‐phase overhead transmission line are calculated using a 2D finite element formulation. This study was performed considering the phase...