Battery residual capacity measuring system and battery residual

Details Battery residual capacity measuring system and battery residual Battery residual capacity measuring system and battery residual

1997-05-30

1999-10-05

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

320134, 429 90, 324427, 340636, H02J 700, H01M 1048

Patent

active

059630167

ABSTRACT:
In each time slot, along with processing collected sets of amperage data and voltage data and a data on a reference current to provide a first value as an estimated residual capacity for a normal travelling, the amperage data are processed to provide a second value representative of a discharge quantity, and the second value is subtracted from the first value to provide a third value as a residual capacity for a high load condition, permitting the first value to be displayed in the normal travelling and the third value to be displayed under the high load condition, as this condition is detected by checking a significance of correlation in dispersion of the collected sets of data.

REFERENCES:
patent: 5341084 (1994-08-01), Gotoh et al.
patent: 5394089 (1995-02-01), Clegg
patent: 5561362 (1996-10-01), Kawamura et al.
patent: 5631540 (1997-05-01), Nguyen
patent: 5644212 (1997-07-01), Takahashi
patent: 5703486 (1997-12-01), Arai et al.
patent: 5744931 (1998-04-01), Arai et al.
patent: 5793211 (1998-08-01), Shimoyama
patent: 5798646 (1998-08-01), Arai
patent: 5872453 (1999-02-01), Shimoyama et al.

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