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公开(公告)号：US11614490B2
公开(公告)日：2023-03-28
申请号：US16466377
申请日：2016-12-06
发明人： Hanna Bryngelsson , Esteban Gelso
IPC分类号： G01R31/367 , G01R31/374 , G01R31/382 , B60L58/12 , G01R31/36
摘要： The present disclosure relates to a method of estimating a charge state for a battery cell, specifically taking into account different operational states (402, 404, 406, 408) of the battery cell. The present disclosure also relates to a battery management arrangement (200) and to a corresponding computer program product.
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2.发明授权公开(公告)号：US10675983B2
公开(公告)日：2020-06-09
申请号：US15542969
申请日：2015-01-13
发明人： Hanna Bryngelsson , Hannes Veen
IPC分类号： B60L11/18 , G01R31/389 , G01R31/3842 , B60L58/12 , B60L58/16 , B60L58/13 , B60L53/00 , G01R31/36 , G01R31/374 , G01R31/382 , G01R31/392
摘要： Disclosed is a method for determining a value of the state of energy of a rechargeable battery in a vehicle, the battery being connected to an electric consumer; the method including: determining the state of charge as a measure of the present capacity of the battery; and determining the state of energy as an indication of at least the remaining charge and discharge energy of the battery. The disclosed method further includes: calculating and determining the value of the state of energy based on at least one parameter which is related to the operation of the electric consumer and where the at least one parameter varies depending on a mode for operating the vehicle or electric consumer during charging or discharging of the battery. Also disclosed is an arrangement for determining a value of the state of energy of a rechargeable battery in a vehicle.
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公开(公告)号：US10259338B2
公开(公告)日：2019-04-16
申请号：US15735008
申请日：2015-06-10
IPC分类号： B60L11/18 , B60L9/00 , B60L11/02 , H02J7/00 , H02J7/04 , H01M10/48 , H01M10/625 , H01M10/615 , H01M10/651 , H01M10/42
摘要： A method is provided for optimizing the operating lifetime of an energy storage system including a battery pack with a plurality of battery cells. The method includes: measuring the temperature of the battery pack by means of a sensor unit; and measuring at least one further parameter representing an indication of the operating lifetime of the battery pack. Furthermore, the method includes the steps of: detecting whether the parameter reaches a predetermined threshold value indicating that the battery pack is in a condition close to an end of its expected operating lifetime; and, in the event that the threshold value is reached, initiating heating of the battery pack, thereby increasing the temperature of the battery pack to a predetermined value so as to prolong the operating lifetime of the battery pack. A system for optimizing the operating lifetime of an energy storage system is also provided.
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公开(公告)号：US09766298B2
公开(公告)日：2017-09-19
申请号：US14898296
申请日：2014-05-23
发明人： Jerker Lennevi , Tommy Hjelle , Tobias Smidebrant , Niklas Legnedahl , Johanna Gustafsson , Hanna Bryngelsson
CPC分类号： G01R31/3679 , B60L3/12 , B60L11/1857 , B60L11/1862 , B60L2240/547 , B60L2240/80 , G01R31/3606 , G01R31/3627 , G01R35/005 , Y02T10/7005 , Y02T10/7044 , Y02T10/705
摘要： A method for estimation of state-of-health (SOH) characteristics of a battery in hybrid vehicles includes charging and discharging the battery at least one time within an upper region of a state-of-charge (SOC) window, wherein the battery; charging and discharging the battery at least one time within a lower region of the SOC window, calibrating a battery management unit included in the hybrid vehicle by using the reached levels outside the SOC window, and estimating the SOH characteristics of the battery during the charge and discharge periods by using the battery management unit.
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公开(公告)号：US12103428B2
公开(公告)日：2024-10-01
申请号：US17431305
申请日：2019-02-15
CPC分类号： B60L58/12 , B60L50/60 , B60L58/24 , H01M10/486 , B60L2240/545 , H01M2220/20
摘要： The invention relates to a method for determining an operational parameter indicative of the power capability of an energy storage system (ESS) of a vehicle, wherein the method comprises the steps of determining a state temperature of the ESS; determining an acceptable temperature increase of the ESS for a given time period based on the determined state temperature of the ESS and a maximum temperature threshold of ESS, the maximum temperature threshold being indicative of any one of a safety temperature level of the ESS and an operational life time temperature level of the ESS; and determining a maximum operational power level of the ESS for the given time period based on the determined acceptable temperature increase of the ESS.
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公开(公告)号：US11091057B2
公开(公告)日：2021-08-17
申请号：US16462773
申请日：2016-12-01
发明人： Hanna Bryngelsson , Jonas Hellgren
摘要： The invention relates to a method which comprises communicating a power capacity of a battery of a vehicle in a system comprising a battery and a battery control unit for controlling said battery. The method further comprises, in the battery control unit, receiving a request comprising a power profile describing a power transfer to or from the battery as a function of time, determining if the battery is capable of receiving or providing power corresponding to the requested power profile.
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公开(公告)号：US20190339333A1
公开(公告)日：2019-11-07
申请号：US16470740
申请日：2017-01-09
发明人： Esteban Gelso , Hanna Bryngelsson
IPC分类号： G01R31/3835 , B60L58/12 , G01R31/388 , G01R31/319 , G01R31/367
摘要： The invention relates to a method for determining the state of charge (SOC) of a chargeable battery pack (5) comprising at least one battery cell (5a, 5b, 5c), said method comprising the steps of: providing an initial state of charge value (SOC1) for said battery pack (5); estimating a battery cell voltage value (Vest) using a cell model (7b) based on input values representing at least a measured voltage (Vmeas) of said battery pack (5); comparing said estimated battery cell voltage value (Vest) with said measured battery cell voltage value (Vmeas) for said at least one battery cell (5a, 5b, 5c); and determining an estimated state of charge value (SOCest) to update the state of charge (SOC) from the initial state of charge value (SOC1), based on said comparing step and by using an observer module (7a). According to the invention, the observer module (7a) comprises an influence factor, said influence factor representing errors in the state of charge (SOC) based on the parameterization of said cell model (7b). The invention also relates to an arrangement for determining the state of charge (SOC) of a battery pack (5).
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8.发明授权公开(公告)号：US11332017B2
公开(公告)日：2022-05-17
申请号：US16309514
申请日：2016-06-14
摘要： The invention relates to a method for controlling the operation of an energy storage system (10) in a vehicle (30), preferably an electric or hybrid electric vehicle, said energy storage system (10) comprising at least two battery packs (12) connected in parallel, said energy storage system (10) being adapted to provide at least a nominal power functionality for propulsion of said vehicle (30) using an allowed operating extent of all of said battery packs (12) of said energy storage system (10), said allowed operating extent being a nominal working range of said battery packs (12); said method comprising disconnecting at least one battery pack (12); and setting said allowed operating extent for said remaining connected and active battery pack(s) (12) to an increased working range so as to enable said energy storage system (10) to provide said nominal power functionality to said vehicle (30), the method further comprising monitoring at least one accumulated parameter indicative of the operation of said energy storage system (10) from the time of disconnection of said at least one battery pack (12), and when said accumulated parameter reaches a threshold value, setting said allowed operating extent for said remaining battery pack(s) (12) to a decreased working range. The invention also relates to a control unit for controlling the operation of an energy storage system (10).
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公开(公告)号：US11214150B2
公开(公告)日：2022-01-04
申请号：US16470740
申请日：2017-01-09
发明人： Esteban Gelso , Hanna Bryngelsson
IPC分类号： B60L3/12 , G01R31/3835 , G01R31/388 , G01R31/367 , G01R31/319
摘要： The invention relates to a method for determining the state of charge (SOC) of a chargeable battery pack (5) comprising at least one battery cell (5a, 5b, 5c), said method comprising the steps of: providing an initial state of charge value (SOC1) for said battery pack (5); estimating a battery cell voltage value (Vest) using a cell model (7b) based on input values representing at least a measured voltage (Vmeas) of said battery pack (5); comparing said estimated battery cell voltage value (Vest) with said measured battery cell voltage value (Vmeas) for said at least one battery cell (5a, 5b, 5c); and determining an estimated state of charge value (SOCest) to update the state of charge (SOC) from the initial state of charge value (SOC1), based on said comparing step and by using an observer module (7a). According to the invention, the observer module (7a) comprises an influence factor, said influence factor representing errors in the state of charge (SOC) based on the parameterization of said cell model (7b). The invention also relates to an arrangement for determining the state of charge (SOC) of a battery pack (5).
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10.发明申请公开(公告)号：US20190160948A1
公开(公告)日：2019-05-30
申请号：US16309514
申请日：2016-06-14
摘要： The invention relates to a method for controlling the operation of an energy storage system (10) in a vehicle (30), preferably an electric or hybrid electric vehicle, said energy storage system (10) comprising at least two battery packs (12) connected in parallel, said energy storage system (10) being adapted to provide at least a nominal power functionality for propulsion of said vehicle (30) using an allowed operating extent of all of said battery packs (12) of said energy storage system (10), said allowed operating extent being a nominal working range of said battery packs (12); said method comprising disconnecting at least one battery pack (12); and setting said allowed operating extent for said remaining connected and active battery pack(s) (12) to an increased working range so as to enable said energy storage system (10) to provide said nominal power functionality to said vehicle (30), the method further comprising monitoring at least one accumulated parameter indicative of the operation of said energy storage system (10) from the time of disconnection of said at least one battery pack (12), and when said accumulated parameter reaches a threshold value, setting said allowed operating extent for said remaining battery pack(s) (12) to a decreased working range. The invention also relates to a control unit for controlling the operation of an energy storage system (10).
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