Patent ID: 11860130
Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK
Field: Measurement (Instruments)
Classification: CPC G  B  H  Y | IPC B  G  H

Claim 19:
20. A vehicle comprising:
a battery pack comprising a plurality of interconnected battery cells constructed to power a load;
a monitoring device comprising, for each battery cell in the battery pack:
an ultrasound source configured to direct ultrasound at the corresponding battery cell; and
an ultrasound sensor configured to detect ultrasound transmitted through or reflected from at least a portion of an interior of the corresponding battery cell and to generate one or more signals responsive to the detected ultrasound; and

a controller comprising one or more processors and one or more non-transitory computer readable storage media storing instructions that, when executed by the one or more processors, cause the controller to process the one or more signals for each battery cell and to output an indication of an internal state of each battery cell,
wherein the controller is configured to independently control operation of each battery cell based on the output indicating an internal state of each battery cell.