Failure determination device for cell voltage monitor

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system

Reexamination Certificate

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Details

C702S063000, C702S079000, C702S185000, C702S189000

Reexamination Certificate

active

07962297

ABSTRACT:
A failure determination device for a cell voltage monitor is provided. The cell voltage monitor detects cell voltages of a plurality of single cells. The failure determination device includes a minimum value determination unit for determining whether or not a present cell voltage which the cell voltage monitor detects is equal to or lower than a minimum detectable cell voltage, and a failure determination unit for determining that the cell voltage monitor has a failure. A failure is detected when the present cell voltage is equal to or lower than the minimum value cell voltage, and a cell voltage detected by the cell voltage monitor in the past and stored in the memory is greater than a determination cell voltage.

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Ramschak et al., ‘Detection of fuel cell critical status by stack voltage analysis’ 2006, Science Direct Publication, pp. 837-840.

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