CN108226797A - The evaluation method of power battery SOP, device and with its vehicle - Google Patents
The evaluation method of power battery SOP, device and with its vehicle Download PDFInfo
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- CN108226797A CN108226797A CN201810001080.0A CN201810001080A CN108226797A CN 108226797 A CN108226797 A CN 108226797A CN 201810001080 A CN201810001080 A CN 201810001080A CN 108226797 A CN108226797 A CN 108226797A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
Abstract
The invention discloses a kind of evaluation method of power battery SOP, device and with its vehicle, wherein, method includes the following steps：Initial SOP values are obtained according to SOP tables of data；Current correction value is obtained with corresponding cell voltage according to the operating current of power battery；Initial SOP values are corrected according to current correction value, to obtain the current SOP values of power battery.This method can carry out SOP to calculate and correct in real time, effectively improve the reliability of system control, raising electrokinetic cell system cycle life by acquiring the cell voltage under the electric current of power battery and difference electric current.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of evaluation method of power battery SOP, device and with its
Vehicle.
Background technology
Power energy storage device of the battery modules as electric vehicle, the discharge capability under different operating modes determine electronic vapour
The driving performance of vehicle, the accurate estimation of SOP can improve the utilization ratio of battery to the maximum extent.For example it can be use up in brake
The energy of the more absorption feedback of amount is without injuring battery；Accelerate when can provide bigger power obtain bigger acceleration and
Do not injure battery；Simultaneously it is also ensured that even vehicle is in the process of moving at SOC (State Of Charge, state-of-charge)
It will not run out of steam when very low because of under-voltage or overcurrent protection.
The relevant technologies obtain SOP according to Current Temperatures and SOC by look-up table, and table is generally by battery manufacturer according to battery
The performance indicator of monomer provides.
However, it is by testing obtained data, the number according to completely new single battery in the SOP tables that battery producer provides
It according to for discrete date, needs to be calculated using interpolation method in use, influences the precision calculated；Simultaneously with the use of battery
Service life reduction, error also will gradually increase, and the computational accuracy for leading to system is lower, it would be highly desirable to solve.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of evaluation method of power battery SOP, it can effectively improve and be
The reliability of system control, improves battery system cycle life.
It is another object of the present invention to propose a kind of estimation device of power battery SOP.
Another object of the present invention is to propose a kind of vehicle.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of evaluation method of power battery SOP, including
Following steps：Initial SOP values are obtained according to SOP tables of data；It is obtained according to the operating current of power battery with corresponding cell voltage
To current correction value；The initial SOP values are corrected according to the current correction value, it is current to obtain the power battery
SOP values.
The evaluation method of the power battery SOP of the embodiment of the present invention, by acquiring power battery pack electric current and different electricity
The cell voltage flowed down carries out SOP to calculate and correct in real time, so as to obtain the SOP instantaneous values under current state, effectively improve
The reliability of system control, avoids power battery from crossing and puts and the generation of under-voltage fault, improves battery system cycle life.
Further, in one embodiment of the invention, it is described that initial SOP values are obtained according to SOP tables, further wrap
It includes：Detect Current Temperatures and current SOC value；According to obtaining the Current Temperatures and current SOC value and the SOP tables of data
Initial SOP values.
Further, in one embodiment of the invention, it further includes：According to obtaining the type of the power battery
The discharge cut-off voltage of power battery；According to the discharge cut-off voltage, current battery level, the current correction value and described
Current working current obtains current maximum discharge current.
Further, in one embodiment of the invention, the calculation formula of the current maximum discharge current is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor the current maximum discharge current, VendFor the discharge cut-off voltage, VtkFor the current electricity
Cell voltage, K are the current correction value, ItkFor the current working current.
Further, in one embodiment of the invention, the calculation formula of the current SOP values is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, the SOPkFor the current SOP values, SOPk-1For a preceding SOP value, ImaxFor the current maximum electric discharge
Electric current, λ are preset value.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of estimation device of power battery SOP, packet
It includes：Acquisition module, for obtaining initial SOP values according to SOP tables of data；First acquisition module, for the work according to power battery
Make electric current and obtain current correction value with corresponding cell voltage；Computing module, for according to the current correction value to it is described just
Beginning SOP value is corrected, to obtain the current SOP values of the power battery.
The estimation device of the power battery SOP of the embodiment of the present invention, by acquiring power battery pack electric current and different electricity
The cell voltage flowed down carries out SOP to calculate and correct in real time, so as to obtain the SOP instantaneous values under current state, effectively improve
The reliability of system control, avoids power battery from crossing and puts and the generation of under-voltage fault, improves battery system cycle life.
Further, in one embodiment of the invention, the acquisition module, further comprises：Detection unit is used for
Detect Current Temperatures and current SOC value；Acquiring unit, for according to the Current Temperatures and current SOC value and the SOP data
Table obtains the initial SOP values.
Further, in one embodiment of the invention, it further includes：Second acquisition module, for according to the power
The type of battery obtains the discharge cut-off voltage of the power battery；Third acquisition module, for according to the electric discharge cut-off electricity
Pressure, current battery level, the current correction value and the current working current obtain current maximum discharge current.
Further, in one embodiment of the invention, the calculation formula of the current maximum discharge current is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor the current maximum discharge current, VendFor the discharge cut-off voltage, VtkFor the current electricity
Cell voltage, K are the current correction value, ItkFor the current working current.
The calculation formula of the current SOP values is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, the SOPkFor the current SOP values, SOPk-1For a preceding SOP value, ImaxFor the current maximum electric discharge
Electric current, λ are preset value.
In order to achieve the above objectives, further aspect of the present invention embodiment proposes a kind of vehicle, including above-mentioned power electric
The estimation device of pond SOP.The vehicle by acquiring the cell voltage under power battery pack electric current and different electric current, to SOP into
Row calculates in real time and correction, so as to obtain the SOP instantaneous values under current state, effectively improves the reliability of system control, avoids
Power battery, which is crossed, to be put and the generation of under-voltage fault, improves battery system cycle life.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the evaluation method of the power battery SOP of the embodiment of the present invention；
Fig. 2 is to correct schematic diagram according to the numerical value of one embodiment of the invention；
Fig. 3 is the structure diagram according to the estimation device of the power battery SOP of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The evaluation method of power battery SOP, device and the tool proposed according to embodiments of the present invention is described with reference to the accompanying drawings
There is its vehicle, describe the evaluation method of power battery SOP proposed according to embodiments of the present invention with reference to the accompanying drawings first.
Fig. 1 is the flow chart of the evaluation method of the power battery SOP of the embodiment of the present invention.
As shown in Figure 1, the evaluation method of power battery SOP includes the following steps：
In step S101, initial SOP values are obtained according to SOP tables of data.
Further, in one embodiment of the invention, initial SOP values are obtained according to SOP tables, further comprised：Inspection
Survey Current Temperatures and current SOC value；Initial SOP values are obtained according to Current Temperatures and current SOC value and SOP tables of data.
It is understood that the electric discharge for the maximum that SOP, which is subsequent time battery, to be capable of providing and the power being electrically charged；SOC
What is represented is the residual capacity and the ratio of the capacity of its fully charged state after battery is lain idle using a period of time or for a long time
Value is commonly used percentage and is represented.Its value range is 0~1, represents that battery discharge is complete as SOC=0, is represented as SOC=1
Battery is completely filled with.To obtain initial SOP values, the embodiment of the present invention can detect Current Temperatures and current SOC value first, with root
The SOP data forms that the temperature and SOC provided according to power battery supplier determines, table look-up to obtain the SOP values under current state, remember
For SOP0.
In step s 102, current correction value is obtained with corresponding cell voltage according to the operating current of power battery.
It is understood that the embodiment of the present invention can obtain power battery t1 moment charge and discharge electricity by current sensor
Flow valuve It1；Power battery t1 moment monomer voltage detected values Vt1 is obtained by battery monitoring unit；The SOP values of setting at this time
For：
SOP1=SOP0；
In addition, the embodiment of the present invention can obtain power battery t2 moment charging and discharging currents values It2 by current sensor；
Power battery t2 moment monomer voltage detected values Vt2 is obtained by battery monitoring unit；
It calculates according to the following formula：
Wherein, K2 be battery discharge current coefficient calculated value, unit A/mv；
Further, in one embodiment of the invention, the method for the embodiment of the present invention further includes：According to power battery
Type obtain the discharge cut-off voltage of power battery；According to discharge cut-off voltage, current battery level, current correction value and work as
Preceding operating current obtains current maximum discharge current.
Wherein, in one embodiment of the invention, the calculation formula of current maximum discharge current is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor current maximum discharge current, VendFor discharge cut-off voltage, VtkIt is current battery level, K is to work as
Preceding correction value, ItkFor current working current.
Wherein, in one embodiment of the invention, the calculation formula of current SOP values is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, SOPkFor current SOP values, SOPk-1For a preceding SOP value, ImaxFor current maximum discharge current, λ is default
Value.
It is understood that the embodiment of the present invention can determine the electric discharge cut-off electricity of power battery according to power battery type
Press Vend；Then under current state, i.e. the maximum discharge current at t2 moment is：
Imax=(Vend-Vt2)*K+It2,
The formula for then calculating the t2 moment current values of SOP is：
SOP2=λ * SOP1+Imax*Vend* (1- λ),
It follows that for any time tK, have：
In step s 103, initial SOP values are corrected according to current correction value, to obtain the current SOP of power battery
Value.
It is understood that the embodiment of the present invention is obtained in the operating current according to power battery with corresponding cell voltage
After current correction value, initial SOP values can be corrected according to current correction value, wherein, to the correction of K values and SOP values such as
Shown in Fig. 2, to obtain the current SOP values of power battery, battery is avoided to cross and is put and the generation of under-voltage fault, improve battery system cycle
Service life.
The evaluation method of power battery SOP proposed according to embodiments of the present invention, by acquire power battery pack electric current with
And the cell voltage under different electric currents, SOP is carried out to calculate and correct in real time, so as to obtain the SOP instantaneous values under current state,
The reliability of system control is effectively improved, power battery is avoided to cross and is put and the generation of under-voltage fault, improves the battery system cycle longevity
Life.
The estimation device of power battery SOP proposed according to embodiments of the present invention referring next to attached drawing description.
Fig. 3 is the structure diagram of the estimation device of the power battery SOP of the embodiment of the present invention.
As shown in figure 3, the estimation device 10 of power battery SOP includes：Acquisition module 100,200 and of the first acquisition module
Computing module 300.
Wherein, acquisition module 100 is used to obtain initial SOP values according to SOP tables of data.First acquisition module 200 is used for root
According to the operating current of power battery current correction value is obtained with corresponding cell voltage.Computing module 300 is used to be rectified according to current
Positive value corrects initial SOP values, to obtain the current SOP values of power battery.The device 10 of the embodiment of the present invention can pass through
The cell voltage under power battery pack electric current and different electric current is acquired, SOP is carried out to calculate and correct in real time, effectively improves and is
The reliability of system control, improves battery system cycle life.
Further, in one embodiment of the invention, acquisition module 100 further comprises：Detection unit and acquisition
Unit.Wherein, detection unit is used to detect Current Temperatures and current SOC value.Acquiring unit is for according to Current Temperatures and currently
SOC value and SOP tables of data obtain initial SOP values.
Further, in one embodiment of the invention, the device 10 of the embodiment of the present invention further includes：Second obtains mould
Block and third acquisition module.Wherein, the second acquisition module is used to obtain the electric discharge section of power battery according to the type of power battery
Only voltage；Third acquisition module is used for according to discharge cut-off voltage, current battery level, current correction value and current working current
Obtain current maximum discharge current.
Further, in one embodiment of the invention, the calculation formula of current maximum discharge current is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor current maximum discharge current, VendFor discharge cut-off voltage, VtkIt is current battery level, K is to work as
Preceding correction value, ItkFor current working current.
Currently the calculation formula of SOP values is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, SOPkFor current SOP values, SOPk-1For a preceding SOP value, ImaxFor current maximum discharge current, λ is default
Value.
It should be noted that the explanation of the aforementioned evaluation method embodiment to power battery SOP is also applied for the reality
The estimation device of the power battery SOP of example is applied, details are not described herein again.
The estimation device of the power battery SOP proposed according to embodiments of the present invention, by acquire power battery pack electric current with
And the cell voltage under different electric currents, SOP is carried out to calculate and correct in real time, so as to obtain the SOP instantaneous values under current state,
The reliability of system control is effectively improved, power battery is avoided to cross and is put and the generation of under-voltage fault, improves the battery system cycle longevity
Life.
In addition, the embodiment of the present invention also proposed a kind of vehicle, the estimation which includes above-mentioned power battery SOP fills
It puts.The vehicle carries out SOP to calculate and rectify in real time by acquiring the cell voltage under power battery pack electric current and different electric currents
Just, so as to obtain the SOP instantaneous values under current state, effectively improve system control reliability, avoid power battery cross put and
The generation of under-voltage fault improves battery system cycle life.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature right over second feature or oblique upper or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments or examples described in this specification and the feature of different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of evaluation method of power battery SOP, which is characterized in that include the following steps：
Initial SOP values are obtained according to SOP tables of data；
Current correction value is obtained with corresponding cell voltage according to the operating current of power battery；And
The initial SOP values are corrected according to the current correction value, to obtain the current SOP values of the power battery.
2. the evaluation method of power battery SOP according to claim 1, which is characterized in that described to be obtained just according to SOP tables
Beginning SOP value, further comprises：
Detect Current Temperatures and current SOC value；
The initial SOP values are obtained according to the Current Temperatures and current SOC value and the SOP tables of data.
3. the evaluation method of power battery SOP according to claim 1, which is characterized in that further include：
The discharge cut-off voltage of the power battery is obtained according to the type of the power battery；
Worked as according to the discharge cut-off voltage, current battery level, the current correction value and the current working current
Preceding maximum discharge current.
4. the evaluation method of power battery SOP according to claim 3, which is characterized in that the current maximum electric discharge electricity
The calculation formula of stream is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor the current maximum discharge current, VendFor the discharge cut-off voltage, VtkFor present battery electricity
Pressure, K are the current correction value, ItkFor the current working current.
5. the evaluation method of power battery SOP according to claim 3 or 4, which is characterized in that the current SOP values
Calculation formula is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, the SOPkFor the current SOP values, SOPk-1For a preceding SOP value, ImaxFor the current maximum discharge current,
λ is preset value.
6. a kind of estimation device of power battery SOP, which is characterized in that including：
Acquisition module, for obtaining initial SOP values according to SOP tables of data；
First acquisition module obtains current correction value for the operating current according to power battery with corresponding cell voltage；With
And
Computing module, for being corrected according to the current correction value to the initial SOP values, to obtain the power battery
Current SOP values.
7. the estimation device of power battery SOP according to claim 6, which is characterized in that the acquisition module, further
Including：
Detection unit, for detecting Current Temperatures and current SOC value；
Acquiring unit, for obtaining the initial SOP values according to the Current Temperatures and current SOC value and the SOP tables of data.
8. the estimation device of power battery SOP according to claim 6, which is characterized in that further include：
Second acquisition module, for obtaining the discharge cut-off voltage of the power battery according to the type of the power battery；
Third acquisition module, for according to the discharge cut-off voltage, current battery level, the current correction value and it is described work as
Preceding operating current obtains current maximum discharge current.
9. the estimation device of power battery SOP according to claim 8, which is characterized in that the current maximum electric discharge electricity
The calculation formula of stream is：
Imax=(Vend-Vtk)*K+Itk,
Wherein, ImaxFor the current maximum discharge current, VendFor the discharge cut-off voltage, VtkFor present battery electricity
Pressure, K are the current correction value, ItkFor the current working current.
The calculation formula of the current SOP values is：
SOPk=λ * SOPk-1+Imax*Vend* (1- λ),
Wherein, the SOPkFor the current SOP values, SOPk-1For a preceding SOP value, ImaxFor the current maximum discharge current,
λ is preset value.
10. a kind of vehicle, which is characterized in that including：Estimation such as claim 6-9 any one of them power batteries SOP fills
It puts.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845273A (en) * | 2018-08-30 | 2018-11-20 | 北京经纬恒润科技有限公司 | A kind of power battery power rating estimation function test method and device |
| CN109116254A (en) * | 2018-08-30 | 2019-01-01 | 北京经纬恒润科技有限公司 | A kind of power battery power rating estimation function test method and device |
| CN111443290A (en) * | 2019-12-30 | 2020-07-24 | 南京航空航天大学 | SOP estimation method for power battery of electric vehicle with closed-loop control |
| CN112154341A (en) * | 2020-01-13 | 2020-12-29 | 深圳市大疆创新科技有限公司 | Method for estimating power output capability, battery pack, movable platform and storage medium |
| CN114148218A (en) * | 2020-09-07 | 2022-03-08 | 北汽福田汽车股份有限公司 | Method and device for updating SOP parameter value of battery system and electric vehicle |
| WO2022151482A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳市大疆创新科技有限公司 | State of power estimation method for unmanned aerial vehicle battery, and electronic device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7612532B2 (en) * | 2005-06-21 | 2009-11-03 | Gm Global Technology Operations, Inc. | Method for controlling and monitoring using a state estimator having variable forgetting factors |
| CN102044717A (en) * | 2009-10-13 | 2011-05-04 | 上海空间电源研究所 | Maximum charge-discharge power control method of lithium-ion battery pack |
| CN102323553A (en) * | 2011-05-31 | 2012-01-18 | 惠州市亿能电子有限公司 | Method for testing battery peak power |
| CN103645377A (en) * | 2013-12-24 | 2014-03-19 | 山东大学 | Battery allowable power prediction method based on dynamic matrix control algorithm |
| CN104393636A (en) * | 2014-11-07 | 2015-03-04 | 惠州市亿能电子有限公司 | Battery system usable charge or discharge power estimating method |
| CN104749533A (en) * | 2015-03-25 | 2015-07-01 | 上海应用技术学院 | Online estimation method of health status of lithium ion battery |
| CN102782515B (en) * | 2010-02-03 | 2015-07-01 | 罗伯特·博世有限公司 | Adaptive method for determining power, battery system and motor vehicle |
| CN105277895A (en) * | 2015-09-30 | 2016-01-27 | 上海凌翼动力科技有限公司 | Series battery pack SOP (state of power) on-line estimation method and application thereof |
| EP3017993A1 (en) * | 2014-11-07 | 2016-05-11 | Volvo Car Corporation | Power and current estimation for batteries |
| CN106249170A (en) * | 2016-08-31 | 2016-12-21 | 简式国际汽车设计（北京）有限公司 | A kind of electrokinetic cell system power rating method of estimation and device |
| CN106842056A (en) * | 2017-02-13 | 2017-06-13 | 北京理工大学 | One kind is based on two-step on-line intelligence optimized algorithm electrokinetic cell peak power method of estimation |
| CN106864290A (en) * | 2017-03-09 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of battery management method, battery management system for electric automobile |
-
2018
- 2018-01-02 CN CN201810001080.0A patent/CN108226797B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7612532B2 (en) * | 2005-06-21 | 2009-11-03 | Gm Global Technology Operations, Inc. | Method for controlling and monitoring using a state estimator having variable forgetting factors |
| CN102044717A (en) * | 2009-10-13 | 2011-05-04 | 上海空间电源研究所 | Maximum charge-discharge power control method of lithium-ion battery pack |
| CN102782515B (en) * | 2010-02-03 | 2015-07-01 | 罗伯特·博世有限公司 | Adaptive method for determining power, battery system and motor vehicle |
| CN102323553A (en) * | 2011-05-31 | 2012-01-18 | 惠州市亿能电子有限公司 | Method for testing battery peak power |
| CN103645377A (en) * | 2013-12-24 | 2014-03-19 | 山东大学 | Battery allowable power prediction method based on dynamic matrix control algorithm |
| CN104393636A (en) * | 2014-11-07 | 2015-03-04 | 惠州市亿能电子有限公司 | Battery system usable charge or discharge power estimating method |
| EP3017993A1 (en) * | 2014-11-07 | 2016-05-11 | Volvo Car Corporation | Power and current estimation for batteries |
| CN104749533A (en) * | 2015-03-25 | 2015-07-01 | 上海应用技术学院 | Online estimation method of health status of lithium ion battery |
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