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Calculation of internally controlled switching instants in switched RLC circuits using interval analysis

Calculation of internally controlled switching instants in switched RLC circuits using interval analysis,10.1109/ISCAS.1996.540017,A. Cirillo,N. Femia

Calculation of internally controlled switching instants in switched RLC circuits using interval analysis   (Citations: 8)
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Recent advances concerning the problem of finding Internally Controlled Switching Instants (ICSI) in Switched RLC (SRLC) Circuits by means of Interval Analysis (IA) are reported in this paper. A method is proposed which is based on the joined application of real analysis and IA, using Krawczyk's operator to detect safe starting regions for Newton's formula. Further improvements concerning intervals width minimization have been realized, which ensure fast convergence and high reliability. Some examples of applications are presented, concerning the numerical analysis of switching converters, for which the most significant computational aspects are discussed
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    • ...power cables, civil and mechanical structures [5, 6, 7, 8, 9]. However the application of this...

    B. Vasukiet al. UNCERTAINTY ANALYSIS OF STRAIN GAGE CIRCUITS: INTERVAL METHOD AND INTE...

    • ...2 3 The uncertainties in instrumentation systems are generally analyzed by statistical methods...

    B. Vasukiet al. Uncertainty Analysis of Temperature Measurement System using Analytica...

    • ...In particular, the method proposed in [34] combines the use of real analysis and IA to trade off speed and reliability...
    • ...where is an interval extension of the first derivative of . Newton’s contraction mapping is quadratically convergent for both cases of existence and non existence of roots within the selected interval . The speed of Newton’s interval method can be improved by means of an adaptive choice of contraction operators as shown in [34]...
    • ...The overall benefits descending from the use of hybrid real analysis/IA in the simulation of switching converters have been illustrated in [34]...

    Nicola Femiaet al. Time-domain analysis of switching converters based on a discrete-time ...

    • ...Such technique combines a unified discrete time modeling of PWM converters with a robust IA-based technique for the calculation of internally controlled commutations which are due to the drop to zero of some of the variables controlling the state of switching devices (SDs) [10]...
    • ...These elements justify the use of IA for the calculation of D 0 . In fact, thanks to the IA techniques illustrated in [10], we are able to bound reliably the intervals of D wherein jf(D)j is smaller than the saturation voltage of the Op-Amp, which are the same regions where we must seek D0. These intervals are tightly bounded and are safe-starting regions for the application of classical real arithmetic root-search methods, which can be ...

    NICOLA FEMIAet al. Steady-state analysis of PWM DC-to-DC regulators

    • ...The method of steady-state analysis proposed in this paper is based on a hybrid real/interval analysis (IA)of the currents of switching devices and on the application of the Compensation Theorem (CT), respectively, to detect and to analyze commutations [8]‐[10]...
    • ...In [7], [10], [16] the authors have proposed some IA-based algorithm for the calculation of switching instants, developed specifically to meet the joined demands of speed and reliability in the simulation of switched RLC circuits...
    • ...In particular, the method proposed in [10] combines the use of real and IA to trade-off speed and reliability...
    • ...The overall benefits descending from the use of hybrid real/IA in the simulation of switching converters have been illustrated in [10]...

    Nicola Femiaet al. Steady-state analysis of soft-switching converters

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