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Meaningful information on the internal state of a battery can be derived by measuring its impedance. Accordingly, battery management systems based on electrochemical impedance spectroscopy are now recognized as a feasible solutions for... more
Meaningful information on the internal state of a battery can be derived by measuring its impedance. Accordingly, battery management systems based on electrochemical impedance spectroscopy are now recognized as a feasible solutions for online battery control and diagnostic. Since the impedance of a battery is always changing along with its state of charge and aging effects, it is important to have a stable impedance reference in order to calibrate and test a battery management system. In this work we propose a programmable impedance emulator that in principle could be used for the calibration of any battery management system based on electrochemical impedance spectroscopy. A digital finite-impulse-response filter is implemented, whose frequency response is programmed so as to reproduce exactly the impedance of a real battery in the frequency domain. The whole design process of the filter is presented in detail. An analytical expression for the impedance of real battery in the freque...
In this paper, a general mathematical framework which permits the determination of simple expressions for the statistical parameters that characterize the behaviour of uniform quantizers subject to noisy input signals is proposed. Mean... more
In this paper, a general mathematical framework which permits the determination of simple expressions for the statistical parameters that characterize the behaviour of uniform quantizers subject to noisy input signals is proposed. Mean values and variances of quantizer output and ...
Several methods exist which allow the estimation of the unknown figures of merit that characterize analog-to-digital converters (ADCs) such as integral (INL) and differential (DNL) nonlinearities, harmonic and nonharmonic distortions,... more
Several methods exist which allow the estimation of the unknown figures of merit that characterize analog-to-digital converters (ADCs) such as integral (INL) and differential (DNL) nonlinearities, harmonic and nonharmonic distortions, spurious-free dynamic range and ...
Abstract – In this paper, the Cramér-Rao Lower Bound on the estimation of the parameters of a noisy sinewave based on quantized data is discussed. The effects of overloading noise and Integral Non-Linearity are considered and modeled,... more
Abstract – In this paper, the Cramér-Rao Lower Bound on the estimation of the parameters of a noisy sinewave based on quantized data is discussed. The effects of overloading noise and Integral Non-Linearity are considered and modeled, assuming both coherent and non-...
IEEE Instrumentation and Measurement Technology Conference St. Paul, Minnesota, May 18-20, 1998 ... Design and Characterization of a Stochastic-Flash ADC ... Maurizio Caciotta Universith degli Studi “Roma Tre”, Dipartimento di... more
IEEE Instrumentation and Measurement Technology Conference St. Paul, Minnesota, May 18-20, 1998 ... Design and Characterization of a Stochastic-Flash ADC ... Maurizio Caciotta Universith degli Studi “Roma Tre”, Dipartimento di Elettronica, via della Vasca Navale, 84 ...
Abstract—This paper describes a novel method for the digital synthesis of high quality signals by means of 1-bit digital-to-analog converters. The aim of this paper is the identification of the best binary sequences for signal generation... more
Abstract—This paper describes a novel method for the digital synthesis of high quality signals by means of 1-bit digital-to-analog converters. The aim of this paper is the identification of the best binary sequences for signal generation and the analysis of their properties. Such ...