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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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7613577 |
Onboard battery monitoring apparatus and method for correcting offset value of current sensor thereof
An onboard battery monitoring apparatus for monitoring charging and discharge currents of an onboard battery 40 using a current sensor 43 includes an ignition switch 49 , a main line current...
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7612472 |
Method and apparatus for monitoring energy storage devices
An improved battery, monitoring circuit and method for communicating with the battery is provided. Such batteries and communication methods are particularly useful in UPS systems that use such...
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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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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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7593822 |
Battery monitor
Circuit and methods for tracking the total amount of time that a host device has spent in its high power “activated” state (and optionally idle and hibernate states) and thereby can estimate...
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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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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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7573394 |
Internal short circuit detection based on detection of open circuit voltages of battery modules
A battery inspection device inspects for internal short circuits in a battery. The conditions of battery modules B are inspected by measuring open circuit voltage signals of the battery modules...
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7573241 |
Vehicle having a battery with multiple cells and method for operating such a battery
A method for operating a battery having a plurality of battery cells includes determining when certain end of life criteria for the battery are met. A counter is incremented when the certain end of...
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7561978 |
Device and method for battery state determination
A method for determining the state of a battery includes receiving measurements representative of at least one of a battery terminal voltage and a battery terminal current from a first unit and...
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7555410 |
Circuit for use with multifunction handheld device with video functionality
A circuit for use by a multifunction handheld device is coupleable to an audio output device, the multifunction handheld device including a color video display device and a host interface that is...
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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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7550975 |
Portable information terminal apparatus and voltage measurement apparatus
The measurement unit measures a voltage by converting it from analog to digital and outputs a measurement value. The changeover unit, being connected to a battery and a reference voltage source...
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7548821 |
Battery management system and driving method thereof
The present invention relates to a battery management system and method. In some embodiments the battery management system includes a sensing unit and a micro controller unit (MCU). The sensing...
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7543199 |
Test device
A test device that can improve test reliability is provided. In the test device, an error detecting unit detects an error of inputted test signals to generate an error flag, a normal test unit...
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7542858 |
Simulated battery logic testing device
A simulated battery test device and method that is capable of testing a battery charging circuit and logic circuit to determine proper operation. An operational amplifier is used that can both...
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7541757 |
Motor vehicle
A system and method for operating an electrical supply network are disclosed. An exemplary embodiment couples a vehicle to the supply network, receives a trigger to cause a partial discharge of an...
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7532987 |
Fuel-cell power generation system and control method therefor
A fuel-cell power generation system includes a fuel-cell power generator, a power measurement section for measuring an actual power-consumption value in a household appliance, and a...
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7519454 |
Location determination of power system disturbances based on frequency responses of the system
A system for detecting and locating a disturbance event within a power grid includes a series of frequency disturbance recorders (FDRs) taking measurements in the power grid at dispersed points of...
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7505856 |
Battery test module
A storage battery includes a battery housing and a plurality of electrochemical cells in the battery housing electrically connected to terminals of the battery. A battery test module is mounted to...
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7502700 |
Secondary battery control circuit
According to the present invention, there is provided a secondary battery control circuit which can perform a reliable charge/discharge control without activating Positive Temperature Coefficient...
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7498953 |
Smart transmitter for utility meters
The present inventions relate to a smart transmitter technology that provides for a more stable transmitted signal power level, a more stable transmitted signal carrier frequency, a sleep mode...
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7495416 |
Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus
A battery pack which stably implements a protection function of a secondary battery mainly under software control and reduces a circuit installation area and parts costs. The battery pack has a...
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7490045 |
Automatic collection and updating of application usage
A method and system providing automatic collection and updating of application usage on large number of electronic devices without user intervention. The electronic devices may be palm-sized...
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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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7471065 |
Multi-series battery control system
A multi-series battery control system comprises a unit battery cell of which unit consists of multiple battery cells, control IC comprising a control IC chip containing a control circuit for...
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7469204 |
Method and apparatus for calculating voltage drop
A method for performing voltage drop calculations in an alarm circuit comprises creating a circuit to be controlled. A first device is selected from a list of devices to add to the circuit. An...
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7433794 |
Mitigation of propagation of thermal runaway in a multi-cell battery pack
A method of mitigating propagation of a thermal event in an energy storage system having a plurality of cells is disclosed. The method includes the steps of identifying the heat sources within the...
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7424378 |
Method and device for communication with a plant
The invention relates to a method and a device for communication with a plant, in particular, for the operation and monitoring of an automated plant in industrial manufacture. The state of charge...
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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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7418356 |
System and method of battery capacity estimation
In accordance with the teachings described herein, systems and methods are provided for battery capacity estimation. A profile table may be used that relates a plurality of battery profile values...
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7415379 |
Colpitts transmitter PCB testing device
A testing device and method for testing a printed circuit board (PCB) for a remote keyless entry fob includes a battery simulator cell to simulate the effects of a remote keyless entry fob battery....
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7406389 |
State detecting system and device employing the same
A state detecting system which can detect state of power storage at high precision even with lesser characteristic data to be used for calculation, and a device employing the same. The state...
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7394394 |
Battery monitor with wireless remote communication
An apparatus and method for monitoring at least one battery condition. A ac signal is applied to a battery. A difference between a signal output from the battery and a threshold determines a...
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7386404 |
Method and apparatus for monitoring battery discharge state
One aspect of the invention involves: periodically sampling a voltage of a battery and an ambient temperature in order to obtain a sample that includes a temperature value and a voltage value;...
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7386403 |
Method and system for charging management
A method and a system for charging management are applied in an electronic device. The system includes a sensing unit, a detecting unit, a signal output unit, a receiving unit and a processing...
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7383139 |
Synchronous power gauge
According to one exemplary embodiment, a synchronous power gauge is coupled to a processor for determining total charge consumed from a power source in an electronic device. The synchronous power...
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7383137 |
Method and apparatus for measuring absolute and net power consumption for computer systems
A method for managing power data includes determining an amount of power used for a system running an application over a first time period from an operating system. An amount of power used for the...
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7363175 |
Query based electronic battery tester
An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to...
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7359808 |
Fuel cell evaluation method and fuel cell evaluation apparatus
A fuel cell evaluation apparatus of the present invention is provided with a fuel cell for generating electricity using fuel gas and oxidizer gas; a fuel gas supplying section for supplying the...
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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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7349816 |
Battery management system and apparatus with runtime analysis reporting
The invention relates to the management of large stationary batteries. The invention is a comprehensive process for the management of stationary batteries that are used for backup power and are...
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7349813 |
Fault tolerant power system architecture for fluid flow measurement systems
To provide a fault-tolerant architecture to supply electrical operating power in fluid flow measurement applications, apparatus and associated systems, computer program products, and methods...
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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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7330105 |
System and apparatus for vehicle electrical power analysis
Apparatus for monitoring an electrical power supply system of a vehicle, the vehicle having a battery and internal combustion engine, an alternator, and a starter. The apparatus has a filter for...
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7319304 |
Shunt connection to a PCB of an energy management system employed in an automotive vehicle
A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the...
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7317996 |
Method for determining battery capacity
A method includes determining that a battery has entered a transition phase based on the occurrence of a change in direction of current flow through the battery. In response to determining that the...
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7317995 |
Battery management system and apparatus
The invention relates to the management of large stationary batteries. The invention is a comprehensive process for the management of stationary batteries that are used for backup power and are...
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