Abstract: This article presents an ultrasonic gas meter based on a scandium-doped aluminum nitride (Sc0.2Al0.8N) piezoelectric micromachined ultrasonic transducer (PMUT) array, where the ...
Abstract: Effective state-of-health (SoH) estimation is highly valuable for ensuring battery performance and safety. This article proposes an ultrasonic wave-based method for the accurate and rapid ...