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7612538 |
Method for estimating SOC of a battery and battery management system using the same
Disclosed is a method for setting an initial SOC value, which initializes the SOC in consideration of not only the temperature change of the external environment of the battery but also the...
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7612535 |
Charge indicator
A charge indicator for a battery includes a transparent inspection rod comprising an observation area at a first end and a tip formed by a conical reflection area at a second end. The charge...
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7612534 |
Capacity adjustment apparatus and method of secondary battery
In secondary battery capacity adjustment apparatus and method for an assembled cell unit, the assembled cell unit includes: a plurality of secondary batteries; and a control board on which a...
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7612533 |
Capacity adjustment apparatus and method of secondary battery
In secondary battery capacity adjustment apparatus and method for an assembled cell unit, the assembled cell unit includes: a plurality of secondary batteries; and a control board on which a...
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7612532 |
Method for controlling and monitoring using a state estimator having variable forgetting factors
A recursive algorithm is provided for adaptive multi-parameter regression enhanced with forgetting factors unique to each regressed parameter. Applications of this algorithm can include lead acid...
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7610124 |
Control device for motor-driven vehicle
A control device for a motor-driven vehicle, the control device includes: a zone determining unit that determines at least a normal use zone, a discharge zone, an over-discharge zone, a charge...
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7605591 |
State of health recognition of secondary batteries
An invention is provided for determining a state of health of a battery. The invention includes applying a predefined load profile to a battery, and obtaining a plurality of battery response...
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7605564 |
Battery pack and residual capacity information feeding device including residual capacity correction unit
A battery residual capacity information feeding device is disclosed. The device includes: residual capacity holding means for holding the battery residual capacity of a battery pack; temperature...
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7605561 |
Method for controlling charging of a power source of a hybrid vehicle
A method for controlling charging of a power source of a hybrid vehicle. The method includes determining a maximum output level of a primary power source, determining a state of charge of a...
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7602149 |
Method for compensating state of charge of battery, battery management system using the method, and hybrid vehicle having the battery management system
In an SOC compensation method, a first SOC having at least two sections is detected, and a first OCV corresponding to the first SOC is calculated; a second OCV is calculated by using the measured...
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7602148 |
Method for displaying battery charge levels of multiple apparatuses
The invention relates to a method for managing charge levels of batteries in apparatuses, comprising the following steps receiving by a master apparatus from a slave apparatus a charge level signal...
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7602147 |
Device, in particular a charger device
The present invention is directed to a device, in particular a charger device, with a measuring unit ( 10 ) for acquiring at least one battery characteristic value. It is provided that the device...
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7598743 |
Battery maintenance device having databus connection
An electronic battery tester or charger for use with a storage battery includes a first and a second electrical connector configured to electrically couple to terminals of the storage battery....
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7598712 |
Method and apparatus for real-time life estimation of an electric energy storage device
Sate-of-life for an electrical energy storage device is predictively determined based on electrical current, state-of-charge, and temperature of the electrical energy storage device during active...
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7598708 |
Battery protecting apparatus and battery protecting circuit
A battery protecting circuit is disclosed that includes a negative voltage terminal voltage detecting circuit that detects when a voltage of a negative voltage terminal decreases to less than a...
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7595643 |
Apparatus and method for simulating a battery tester with a fixed resistance load
A method and apparatus for simulating a battery tester with a fixed resistance load, such as a widely used Japanese load tester that rates the strength of Japanese batteries that are categorized...
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7595642 |
Battery management system for determining battery charge sufficiency for a task
An electronic tool and method to manage a battery includes a processor to monitor a battery charge and estimate a required charge needed by the electronic tool to complete any task or job shift....
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7595609 |
Battery system power path configuration and methods for implementing same
A battery system may be provided with a battery charge current path that is different from the battery discharge current path of the battery system, for example, by providing no controlled charge...
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7593823 |
Method and device for determining state of battery, and battery power supply system therewith
Coefficients A and B are calculated from the measured temperature and the measured state of charge. Next, a response voltage Vc is calculated by substituting the measured internal impedance X into...
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7593821 |
Method and system for joint battery state and parameter estimation
A method and apparatus for estimation of the augmented state of an electrochemical cell, the method comprising: making an internal augmented states prediction of the cell where the augmented state...
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7589532 |
System and method for estimating a state vector associated with a battery
A system and a method for estimating a state vector associated with a battery are provided. The method includes determining a time interval that the battery has been electrically decoupled from a...
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7589500 |
Method and system for battery protection
A method of conducting an operation including a battery. The battery includes a cell having a voltage. Power is transferable between the cell and the electrical device. A controller is operable to...
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7586290 |
Battery state of charge detection
A state of charge of a battery ( 1 ) that drives a motor ( 6 ) is computed based on a discharge current measured by a current sensor ( 3 ) when the discharge current of the battery ( 1 ) does not...
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7583059 |
Apparatus and method for estimating state of charge of battery using neural network
Disclosed are an apparatus and a method for estimating a state of charge of a battery representing a non-linear characteristic by using a neural network. The apparatus includes a sensing section...
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7579811 |
Battery pack, battery protection processing apparatus and control method thereof
It is aimed at stably implementing a protection function of a secondary battery mainly under software control and providing a battery pack characterized by a reduced circuit installation area,...
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7576545 |
Lithium-ion battery prognostic testing and process
In accordance with various embodiments, there are systems and methods for predicting end of life of a Li-ion battery. The method can include at least one of partially charging and partially...
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7576544 |
Electric quantity indicator for an electromotive vehicle
An electric quantity indicator for an electromotive vehicle comprises an electric measuring wire parallel connected to a battery; a feedback circuit connected between a motor of the power supply...
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7576517 |
System and method for remote monitoring of battery condition
A battery monitoring system may be configured to interface with a first battery monitoring unit and a second battery monitoring unit. The first battery monitoring unit may be configured to output...
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7573242 |
Charger system and method
Systems and methods of controlling a charging status indicator in a charging system for a device having a rechargeable power supply are provided. The charging system determines whether a device...
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7573239 |
Circuit for monitoring batteries in a parallel configuration while under load
The invention includes a circuit to monitor batteries arranged in a parallel battery configuration for charge/discharge battery circuit operation. The circuit selectively tests for each battery's...
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7573238 |
Voltage detection device and electric vehicle including voltage detection device
A voltage detection device for accurately correcting detection errors with voltage greater than an internal reference voltage. The device includes a first switch group of switches for obtaining the...
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7573237 |
System and method for monitoring battery state
A method of monitoring a battery includes measuring an open circuit voltage (V oc ) on the battery to determine a measured state of charge (SOC m ) after at least one use, obtaining a calculated...
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7573236 |
Apparatus and method for adjusting capacity in a battery set
A device to adjust the capacity of battery cells includes a controller that adjusts the cells to reduce the rate of heat generation in capacity adjustment. When capacity adjustment of cells that...
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7573235 |
Battery charger and power reduction system and method
The present invention is a shunt-type, battery-charging device that (through the use of a power dissipation and/or power reduction system and/or method) is designed to reduce the likelihood of...
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7570025 |
Apparatus and method for monitoring battery pack
A battery pack monitoring apparatus for and method of monitoring various characteristics of the battery pack such that when the battery pack malfunctions, the exact reason for the malfunction can...
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7570024 |
Battery state of charge voltage hysteresis estimator
A battery control module is provided for use with a battery and includes a voltage measuring module that measures battery voltage, a current measuring module that measures battery current, and a...
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7570023 |
Method of charging batteries
In a method of charging batteries, a microcontroller and a series divider resistor are used to control the level of a charge current source supplied from a power supply, so that a plurality of...
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7570022 |
Variable battery refresh charging cycles
A refresh control system that selectively initiates a refresh charge cycle includes an energy storage device and an electric machine that is operable to charge the energy storage device. A control...
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7567061 |
Battery equalization using a plug-in charger in a hybrid electric vehicle
In a hybrid electric motor vehicle, a power supply system for storing and supplying electrical power includes a motor-generator located onboard the vehicle, driveably connected to the vehicle...
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7567060 |
System and method for advanced power management
A power management system is provided that includes a power supply means comprising a plurality of power supply strings, a testing means operably connected to said plurality of power supply strings...
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7564221 |
Device and method for estimating the inputtable/outputtable power of a secondary battery
An inputtable/outputtable power estimating device and method that can correctly estimate maximum inputtable and/or outputtable power of a secondary battery that can continue for a prescribed period...
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7564220 |
Method and electronic circuit for efficient battery wake up charging
A method for efficiently charging a battery. The method includes producing a first signal having a voltage level dependent on the voltage of the battery, comparing the voltage level of the first...
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7564213 |
Battery control system for hybrid vehicle and method for controlling a hybrid vehicle battery
A battery control system for controlling a state of charge of a hybrid vehicle battery includes a detecting arrangement for determining a vehicle operating state or an intended vehicle operating...
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7560899 |
Circuit and method for adjusting safety time-out with charge current
A method and circuit for adjusting a safety time-out in charging devices based on a charge current. According to one embodiment, a signal that is based on the charge current is employed to control...
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7557585 |
Abnormal voltage detection apparatus for detecting voltage abnormality in assembled battery
An abnormal voltage detection apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detection apparatus,...
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7557584 |
Method and device for estimating charge/discharge electricity amount of secondary cell
The present invention provides an apparatus that can estimate the charge/discharge electricity amount without being affected by current measurement error. If specific selection conditions are met,...
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7557540 |
Capacity measurement system for a battery with open circuit voltage detection
A method and system for measuring the remaining capacity of a battery with open circuit voltage detection is disclosed. The method includes the steps of measuring an open circuit voltage, obtaining...
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7554330 |
Method for determining the deterioration of a battery
This objective is achieved according to the present invention in that in a method for determining the deterioration of a battery, the charge and discharge cycles of the battery are measured by...
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7554297 |
Automotive battery state monitor apparatus
A voltage control apparatus checks a battery voltage when an automotive generator gradually increases its output to be within a predetermined range after temporarily stopping the generator. Then,...
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7554296 |
Method and apparatus for detecting charged state of secondary battery based on neural network calculation
A neural network type of apparatus is provided to detect an internal state of a secondary battery implemented in a battery system. The apparatus comprises a detecting unit, producing unit and...
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