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7622895 |
Power level display calibration device
A charging accessory for a portable electronic device has an input/output port for providing electrical connections to an input/output port of the device. The accessory includes a charger for...
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7619417 |
Battery monitoring system
A battery monitoring system (BMS), which utilizes a minimum amount of input data (time, voltage, current, temperature and conductance, for example) to periodically determine a vehicle battery...
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7619390 |
Battery cell voltage and impedance measuring circuit
In general, in the circuit to measure and diagnose the cell post voltage and internal impedance in storage battery cells and find out their aging status, the impedance voltage signal which is...
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7619389 |
Charge control device for a secondary battery
A charge circuit 6 supplies a charging voltage (Vc) or a charging current to a secondary battery 2, 24 to 26 used for driving an appliance 21 ; a charged level setting device 5 , Sc 1 ...
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7617893 |
Method and system for determining final desired wheel power in a hybrid electric vehicle powertrain
A control method and system for a hybrid electric vehicle powertrain is disclosed. A filtered, profiled battery power modifier is used in calculating a final desired wheel power. Unstable battery...
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7615967 |
Method and apparatus of estimating state of health of battery
Disclosed is a method and apparatus of estimating a state of health (SOH) of a battery using internal resistance, which has been found to act as a parameter exerting the greatest influence on the...
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7615966 |
Method and apparatus for managing energy in plural energy storage units
A system for managing energy stored in a plurality of series connected energy storage units has a plurality of energy storage unit controllers, each controller being associated with one of the...
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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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