Rutronik has worked with the Chair for Measurement and Sensor Technology (MST) at teh university on an embedded impedance measuring system for a 12V Li-ion battery stack. This provides more thorough and exact analysis and diagnosis of battery systems than currently applied procedures. It is even possible to determine the condition of batteries and reliably predict their RUL (remaining useful life) or SoH (state of health). This is particularly interesting for developers of mobile systems, especially for electromobility, professional tools, and mobile robots, as well as for medical instruments and UPS.
At present, impedance spectroscopy is only used under laboratory conditions. However, the demonstration unit allows Rutronik to show the method’s full industrial potential.
The researchers Thomas Günther and Leonhard Faulhammer from Chemnitz University of Technology will be at at embedded world 2017 (Hall 3A, Booth 438) to answer questions on the technique.
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