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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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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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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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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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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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RE40820 |
Multi-battery fuel saving and emissions reduction system for automotive vehicles
A multi-battery charging system for reduced fuel consumption and emissions for an automotive vehicle. The system starts the vehicle with a start battery in a fuel savings manner, removing...
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7541814 |
Method and device for determining the charge of a battery
A method and device for determining the charge of a battery, characterized in that a gain crossover frequency (f ± ) for an impedance of the battery excited by an alternating current signal is...
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7536572 |
Power sharing between portable computer system and peripheral devices
A method and apparatus that allows for controlling operating time of a portable computer system and a peripheral device. A portable computing system that includes a rechargeable power supply and...
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7531989 |
Battery fuel gauge circuit
The present invention is a battery fuel gauge circuit for measuring the capacity of a battery pack. The battery fuel gauge circuit includes an amplifier circuit, a correction circuit, a plurality...
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7525285 |
Method and system for cell equalization using state of charge
The present invention relates to an implementation of a method for cell equalization. The present invention uses other information such as the individual cell state-of-charge (SOC) estimates, and...
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7525284 |
Charging rate estimating method, charging rate estimating unit and battery system
The method for calculating charged rate of a secondary battery is intended to calculate charged rate of a secondary battery which supplies electric power to loads, and comprises the step to measure...
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7518375 |
Method of estimating maximum output of battery for hybrid electric vehicle
Disclosed is a method of estimating a maximum output of a battery for a hybrid electric vehicle (HEV). The method comprises extracting maximum charge/discharge outputs of the battery depending on a...
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7508168 |
Electronic apparatus with remaining battery power indicating function
An electronic apparatus has a multiplicity of display units including an electronic viewfinder and a liquid crystal display (LCD) panel. The apparatus has various display modes. The remaining...
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7498772 |
Method and system of modeling energy flow for vehicle battery diagnostic monitoring
A lead acid battery model suitable for programming on a motor vehicle body computer uses environmental and target battery operating variables for maintaining synchronization of the model with the...
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7489107 |
Optimal battery charging for damage mitigation
A system and method for charging and thus extending the life of an electrical storage device is disclosed. The system provides for developing an essentialized cell model structure of the electrical...
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7486079 |
Available input-output power estimating device for secondary battery
An available input-output power estimating device for a secondary battery includes a parameter estimating section substituting a measured current value I and a measured voltage value V into an...
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7486036 |
Power control apparatus, electrically powered vehicle and power control method of power system
When surplus power not charged to an electric storage is generated at the time of regenerative braking of a vehicle, a voltage is generated across first and second neutral points using a...
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7474103 |
Storage medium having game program stored thereon and game apparatus
At least one of continuous disconnection, intermittent disconnection, and temporary disconnection, of wireless communication between the input device and the game apparatus is detected. Remaining...
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7471091 |
Nickel-hydride battery life determining method and life determining apparatus
Data indicating a relationship of life of a battery to a value of load power applied to the battery in discharge and environmental temperature of a place where the battery is installed are prepared...
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7471090 |
Method for determining capacity of lead-acid batteries of various specific gravities
In accordance with various embodiments, there is a method for determining the capacity of a battery. Various embodiments include applying a predetermined current ramp to a fully charged lead-acid...
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7466138 |
Method of structuring comparative reference value used in battery SOC estimating method for dynamic pattern
Disclosed is a method for structuring a comparative reference value used to estimate a residual charge (SOC; State of Charge) of a battery. The method comprises comprising steps of: measuring open...
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7459884 |
Remaining capacity calculation method for secondary battery, and battery pack
A remaining capacity calculation method for a secondary battery and a battery pack are provided. Dischargeable electric power is accurately calculated and accuracy of a remaining capacity rate...
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7449891 |
Managing service life of a battery
A hybrid electric vehicle has an energy storage system including one or more batteries. Battery service life is managed by establishing an amp-hour throughput budget and limiting battery current...
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7446510 |
Diagnosis method for state-of-health of batteries
A diagnosis method for SOH of batteries includes the steps of: providing data of discharge voltages and currents of a battery unit; setting an acceptable value of a predetermined period of time and...
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7444192 |
Reactive replenishable device management
Reactive replenishable device management comprises receiving device measurement data from at least one device, updating one or more device usage profiles associated with the at least one device,...
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7443140 |
Method and apparatus for operating a battery to avoid damage and maximize use of battery capacity by terminating battery discharge
A method for terminating battery discharge to avoid battery damage and maximize battery usage includes the steps of: (a) determining battery capacity; (b) storing a capacity result of the capacity...
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7443139 |
Battery state-of-charge estimator
A battery ECU estimates the SOC by integrating the battery current measured by a current sensor, and the battery voltage V n is measured by a voltage sensor, and the battery temperature T n is...
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7439710 |
Battery pack capacity control system
If the capacity variation is greater than a pre-stored value, the SOC converted from Qmin sometimes cannot recover to a control center value. In such a case, inconveniences including the...
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7439706 |
Battery determination system for battery-powered devices
This system provides a method for determining whether ordinary battery cells, a battery pack, and/or a charger unit are attached to a portable electronic device. The system provides a center...
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7423408 |
Monitoring device and method for determining at least one characteristic variable for the state of a battery
A method for determining at least one characteristic variable for the state of a battery includes: (a) determining the charge throughput of the battery per time step; having, (b) determining a...
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7420374 |
Battery with remaining electrical power display function and method of the same
This invention provides an electronic device that has a battery with a power storage unit and a display module, a power detector and a display control module. The power storage unit is for storing...
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7382110 |
Method of charging secondary battery, method of calculating remaining capacity rate of secondary battery, and battery pack
A method of changing a secondary battery, a method of calculating a remaining capacity rate of the secondary battery, and a battery pack are provided. The method of charging a secondary battery...
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7375497 |
State of charge tracking system for battery systems
A battery control module for a battery system comprises a voltage measuring module that measures battery and a current measuring module that measures battery current. A state of charge (SOC) module...
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7375495 |
Method for determination of the charge drawn by an energy storage battery
A method for determining the charge drawn by an energy storage battery starting from an initial state of charge at the start of the drawing of the charge includes determining the charge drawn as a...
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7358704 |
Critical state estimation system and method for secondary cells
For estimation of a critical state of a performance under a working condition of a secondary cell, in consideration of an internal resistance of the cell, a variable data provider provides variable...
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7358701 |
Method and system for modeling energy transfer
A method and system for modeling or simulating an application environment so as to evaluate the effect of a selected battery and charger in the application environment. Sensors are used to gather...
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7355411 |
Method and apparatus for estimating state of charge of secondary battery
When a power switch portion 10 is in an open state and a charge/discharge path of the secondary battery 100 is in a disconnected state, an electromotive force calculation portion 109 ...
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7352156 |
State-of-charge estimating device of secondary battery
A state-of-charge (SOC) estimating device and method for a secondary battery that estimates the SOC of the battery with high precision when variation takes place in the parameters of the battery...
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7333902 |
Maximum and minimum power limit calculator for batteries and battery subpacks
A system for determining an operating limit of at least one battery according to some embodiments of the present invention comprises a voltage module that measures a voltage V across at least one...
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7327147 |
Device and method for determining characteristic variables for batteries
A method for determining characteristic variables for electrical states of an energy storage battery includes subdividing an electrolyte volume of the battery into at least two electrolyte volume...
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7199588 |
Method and system for determining the buffer action of a battery
A method for determining the buffering effect of the battery ( 2 ) for providing a voltage (U) for a power supply system ( 4 ), in particular for a vehicle, is provided in order to identify...
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7164256 |
Method and device for determining available electric power in an instrument panel
The present invention relates to a method and a device for ascertaining the electric power, provided by a battery and a generator, available in a motor-vehicle electrical system. To determine the...
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7136762 |
System for calculating remaining capacity of energy storage device
The remaining capacity of a battery obtained by integrating current and that obtained from the estimated open circuit voltage of the battery are weighted with a weight which varies depending on the...
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7129675 |
System and method for battery charging
A method for charging a lead acid storage battery to advantageously extend its life is described. The termination of a charging process is based upon an evaluation of the first derivative (dv/dt)...
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7081761 |
Ultracapacitor useful life prediction
Methods and apparatus are provided for projecting the useful life Y proj of an ultracapacitor undergoing at least one ON period after an OFF period. The apparatus comprises sensors coupled to the...
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7078907 |
Battery capacity calculating method, battery capacity calculating apparatus and battery capacity calculating program
A battery calculating method, apparatus, and program are provided. The battery capacity calculating method and apparatus can very accurately calculate a residual capacity of a secondary battery...
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7068036 |
Lithium/carbon monofluoride (Li/CFx) electrochemical cell projection model
A model for estimating the discharge profile of a Li/CF x cell is described. The model uses as inputs the load at which the cell is subjected to and the planar surface area to estimate current...
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7064552 |
Device for determining the energy state of an energy storing device of a mobile data carrier
A device ( 8 ) for determining the energy state of an energy storing device ( 7 ) of a data carrier ( 4 ) in which a voltage stabilizer ( 9 ) is used to derive a stabilized DC voltage for the...
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