Method for dynamically measuring the state of health and charge of a car battery and device for implementing said method

Method for dynamically measuring the state of health and charge of a car battery and device for implementing said method

Based on the measurement of the increase of sinusoidal voltage DeltaV=Vmaxsine(2pift) on adding a sinusoidal current DeltaI=Imaxsine(2pift+phi) to the battery current, where f is the frequency and Imax, the amplitude of the superimposed current, with whose magnitudes the electrochemical impedance of...

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Hauptverfasser: SAMITTIER MARTI JOSEP, RUIZ SANCHEZ OSCAR, BIGORRA VIVES JORDI, PUIG VIDAL MANUEL, GIRO ROCA JORDI, GUASCH MURILLO DANIEL
Format: Patent
Sprache:eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator SAMITTIER MARTI JOSEP
RUIZ SANCHEZ OSCAR
BIGORRA VIVES JORDI
PUIG VIDAL MANUEL
GIRO ROCA JORDI
GUASCH MURILLO DANIEL
description Based on the measurement of the increase of sinusoidal voltage DeltaV=Vmaxsine(2pift) on adding a sinusoidal current DeltaI=Imaxsine(2pift+phi) to the battery current, where f is the frequency and Imax, the amplitude of the superimposed current, with whose magnitudes the electrochemical impedance of the battery Z(f)=Vmax/Imaxe is calculated, comprising the application of a first sinusoidal signal of prefixed frequency to the battery which generates an alternate voltage component superimposed over the direct one; eliminating the direct component of the response signal; applying a second periodic voltage signal with a frequency identical to that of said first signal and carrying out a synchronous detection of the alternate component generated by the application of said first signal to obtain the voltage proportional to the electrochemical impedance and evaluate the state of health and charge of the battery.
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eliminating the direct component of the response signal; applying a second periodic voltage signal with a frequency identical to that of said first signal and carrying out a synchronous detection of the alternate component generated by the application of said first signal to obtain the voltage proportional to the electrochemical impedance and evaluate the state of health and charge of the battery.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Method for dynamically measuring the state of health and charge of a car battery and device for implementing said method
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