About 55 results
https://drivepatents.com/patents/984106 · 4 Sep 2013
The method involves measuring voltage of an electrochemical element (E11). Adjusted charge state of the element is determined when value determined from a calibration relationship of voltage as a function of charge state is assigned to the adjusted state a...
https://drivepatents.com/patents/990375 · 29 May 2013
A battery state estimating device being one aspect of the present invention detects a current and a terminal voltage of a secondary battery, estimates a terminal voltage of the secondary battery which is based on a predetermined battery model by using meas...
https://drivepatents.com/patents/985246 · 3 Apr 2013
It is detected promptly that an electric storage device is used in an improper condition that a monitor cannot receive an actuation signal from a load side. Accordingly, the electric storage device does not become in an abnormal state. A monitor 30 monitor...
DEVICE FOR ESTIMATING INTERNAL STATE OF BATTERY, AND METHOD FOR ESTIMATING INTERNAL STATE OF BATTERY
https://drivepatents.com/patents/993405 · 30 Jan 2013
To learn a parameter of a simulation model of a battery efficiently. A battery internal state estimating apparatus, estimating an internal state of a battery based on a simulation model of the battery, includes a storing section (RAM10c) that stores a plur...
https://drivepatents.com/patents/995358 · 5 Dec 2012
A calculation method causing a calculation apparatus configured to calculate a voltage of a battery to implement a computation capability includes: referring to a detection value database configured to store a charge amount of a battery and a voltage of th...
https://drivepatents.com/patents/999258 · 22 Aug 2012
There are implemented a method which allows a present state of charge to be precisely estimated not only for a new battery, but also for a lead accumulator that has deteriorated with the lapse of a certain period since fist use thereof, and a lead accumula...
https://drivepatents.com/patents/999348 · 15 Aug 2012
The method involves providing several individual cells that are interconnected with each other, a battery for simulation purpose described by an overall model based on an arithmetic unit, and a first model which models a reference cell (EMK) and with which...
https://drivepatents.com/patents/1002562 · 9 May 2012
Provided are an end-of-discharge voltage correction device and an end-of-discharge voltage correction method for appropriately correcting an end-of-discharge voltage. An end-of-discharge voltage correction section subtracts, from an end-of-discharge open v...
https://drivepatents.com/patents/1008849 · 12 Oct 2011
In a battery model identification method of the present invention, an M-sequence input electric current production part 2 inputs M-sequence signals with different frequency components as an electric current input into the battery 4. In this occasion, termi...
https://drivepatents.com/patents/1012723 · 25 May 2011
A battery state estimating unit (110) estimates an internal state of a secondary battery in accordance with a battery model equation in every arithmetic cycle, and estimates a charging rate (SOC) and a battery current based on a result of the estimation. A...