Articles | Volume 6, issue 1
J. Sens. Sens. Syst., 6, 65–76, 2017
https://doi.org/10.5194/jsss-6-65-2017

Special issue: Sensors and Measurement Systems 2016

J. Sens. Sens. Syst., 6, 65–76, 2017
https://doi.org/10.5194/jsss-6-65-2017
Regular research article
01 Feb 2017
Regular research article | 01 Feb 2017

Optimized mixed-domain signal synthesis for broadband impedance spectroscopy measurements on lithium ion cells for automotive applications

Peter Haußmann and Joachim Melbert

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Latest update: 20 Sep 2022
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Short summary
A method to generate broadband waveforms with low peak-to-peak amplitude based on distinct frequency domain profiles is presented, which includes random phase variation and numerical optimization. The peak-to-peak amplitude can be reduced by 71 % compared to zero-phase pulses with equal frequency domain characteristics. Used as excitation signals for impedance spectroscopy, the waveforms yield good results at significantly reduced measurement duration compared to established measurement methods.