JP2020169898A5 - - Google Patents

Download PDF

Info

Publication number
JP2020169898A5
JP2020169898A5 JP2019071556A JP2019071556A JP2020169898A5 JP 2020169898 A5 JP2020169898 A5 JP 2020169898A5 JP 2019071556 A JP2019071556 A JP 2019071556A JP 2019071556 A JP2019071556 A JP 2019071556A JP 2020169898 A5 JP2020169898 A5 JP 2020169898A5
Authority
JP
Japan
Prior art keywords
error
accumulation
power storage
storage device
reset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2019071556A
Other languages
Japanese (ja)
Other versions
JP2020169898A (en
JP7183922B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2019071556A priority Critical patent/JP7183922B2/en
Priority claimed from JP2019071556A external-priority patent/JP7183922B2/en
Priority to PCT/JP2020/012964 priority patent/WO2020203457A1/en
Priority to DE112020001803.2T priority patent/DE112020001803T5/en
Publication of JP2020169898A publication Critical patent/JP2020169898A/en
Publication of JP2020169898A5 publication Critical patent/JP2020169898A5/ja
Application granted granted Critical
Publication of JP7183922B2 publication Critical patent/JP7183922B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (5)

蓄電装置(11)の充放電を制御する制御装置(20)であって、
前記蓄電装置の蓄電状態を示すSOCを算出する状態算出部(S20)と、
前記蓄電装置の充放電中における経過時間(TP)とともに増加するように、前記SOCの蓄積誤差(ΔSOC)を算出する誤差算出部(S22)と、
前記蓄積誤差が所定の誤差閾値(ΔST)よりも大きい場合に、前記SOCと前記蓄積誤差のうち、前記蓄積誤差のみをリセットする誤差リセット部(S80,S94)と、を備える制御装置。
A control device (20) that controls charging / discharging of the power storage device (11).
A state calculation unit (S20) that calculates an SOC indicating the power storage state of the power storage device, and
An error calculation unit (S22) that calculates the SOC accumulation error (ΔSOC) so as to increase with the elapsed time (TP) during charging / discharging of the power storage device.
A control device including an error reset unit (S80, S94) that resets only the accumulation error among the SOC and the accumulation error when the accumulation error is larger than a predetermined error threshold value (ΔST).
前記蓄電装置の充放電中の端子間電圧(CCV)を取得する電圧取得部(S16)を備え、A voltage acquisition unit (S16) for acquiring the voltage between terminals (CCV) during charging / discharging of the power storage device is provided.
前記誤差リセット部は、The error reset unit is
前記蓄積誤差が前記誤差閾値よりも大きく、かつ前記蓄積誤差が前回リセットされてからの経過時間が所定の基準時間よりも短い場合には、前記蓄積誤差のみをリセットし、When the accumulation error is larger than the error threshold value and the elapsed time since the previous accumulation error was reset is shorter than the predetermined reference time, only the accumulation error is reset.
前記蓄積誤差が前記誤差閾値よりも大きく、かつ前記経過時間が前記基準時間よりも長い場合には、前記端子間電圧に基づいて前記SOCを更新して前記蓄積誤差をリセットする請求項1に記載の制御装置。The first aspect of claim 1 is that when the accumulation error is larger than the error threshold value and the elapsed time is longer than the reference time, the SOC is updated based on the voltage between the terminals to reset the accumulation error. Control device.
記蓄電装置の充放電中の電流(IB)が所定の電流閾値(IT)よりも小さい状態であることを判定する電流判定部(S90)を備え、
前記誤差リセット部は、前記蓄積誤差が前記誤差閾値よりも大きく、且つ、前記蓄電装置の充放電中の電流が前記電流閾値よりも小さい状態であると判定された場合に、前記端子間電圧に基づいて前記蓄積誤差をリセットする請求項2に記載の制御装置。
With current determination section (S90) determines that the current during charging and discharging of the previous SL power storage device (IB) is a state of being smaller than a predetermined current threshold (IT),
When it is determined that the accumulation error is larger than the error threshold and the current during charging / discharging of the power storage device is smaller than the current threshold, the error reset unit sets the voltage between the terminals. The control device according to claim 2 , wherein the accumulation error is reset based on the above.
前記蓄電装置の充放電中の電流(IB)を所定周期で取得する電流取得部(S18)を備え、
前記誤差リセット部は、前記蓄積誤差が前記誤差閾値よりも大きい場合に、前記電流取得部により取得された電流に基づいて設定される基準誤差(ΔSK)に前記蓄積誤差をリセットし、
前記誤差算出部は、前記蓄積誤差のリセット後に、前記経過時間とともに前記基準誤差から増加するように前記蓄積誤差を算出する請求項1から請求項3までのいずれか一項に記載の制御装置。
A current acquisition unit (S18) for acquiring the current (IB) during charging / discharging of the power storage device at a predetermined cycle is provided.
When the accumulation error is larger than the error threshold value, the error reset unit resets the accumulation error to a reference error (ΔSK) set based on the current acquired by the current acquisition unit.
The control device according to any one of claims 1 to 3 , wherein the error calculation unit calculates the accumulation error so as to increase from the reference error with the elapsed time after the accumulation error is reset.
前記蓄電装置の温度を取得する温度取得部(S18)を備え、
前記誤差算出部は、前記蓄電装置の温度に応じて前記基準誤差を設定する請求項4に記載の制御装置。
A temperature acquisition unit (S18) for acquiring the temperature of the power storage device is provided.
The control device according to claim 4 , wherein the error calculation unit sets the reference error according to the temperature of the power storage device.
JP2019071556A 2019-04-03 2019-04-03 Control device Active JP7183922B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019071556A JP7183922B2 (en) 2019-04-03 2019-04-03 Control device
PCT/JP2020/012964 WO2020203457A1 (en) 2019-04-03 2020-03-24 Control device
DE112020001803.2T DE112020001803T5 (en) 2019-04-03 2020-03-24 CONTROL DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019071556A JP7183922B2 (en) 2019-04-03 2019-04-03 Control device

Publications (3)

Publication Number Publication Date
JP2020169898A JP2020169898A (en) 2020-10-15
JP2020169898A5 true JP2020169898A5 (en) 2021-06-10
JP7183922B2 JP7183922B2 (en) 2022-12-06

Family

ID=72668107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019071556A Active JP7183922B2 (en) 2019-04-03 2019-04-03 Control device

Country Status (3)

Country Link
JP (1) JP7183922B2 (en)
DE (1) DE112020001803T5 (en)
WO (1) WO2020203457A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100669477B1 (en) * 2005-12-22 2007-01-16 삼성에스디아이 주식회사 Method adjusting soc for battery and battery management system using the same
JP5783122B2 (en) 2012-04-11 2015-09-24 トヨタ自動車株式会社 Battery state estimation device
EP3279679B1 (en) * 2015-03-31 2022-06-29 Vehicle Energy Japan Inc. Battery control device and electric vehicle system
JP6534746B2 (en) * 2015-09-30 2019-06-26 日立オートモティブシステムズ株式会社 Battery control device and battery system
DE112018001733T5 (en) * 2017-03-28 2019-12-19 Gs Yuasa International Ltd. ESTIMATE DEVICE, ENERGY STORAGE DEVICE AND ESTIMATE METHOD
JP2019071556A (en) 2017-10-10 2019-05-09 富士通株式会社 Communication device and communication method

Similar Documents

Publication Publication Date Title
JP6439146B2 (en) Power supply
JP6884966B2 (en) Battery management system and method for optimizing the internal resistance of the battery
JP5525862B2 (en) Charger, program
JP2018046667A5 (en)
WO2019116640A1 (en) Battery monitoring device, computer program, and battery monitoring method
JP2015158412A5 (en)
JP6233856B2 (en) Battery control system, vehicle control system
JP2014196985A5 (en)
JP6834864B2 (en) Battery output monitoring device and method
US20140303914A1 (en) State of charge estimation device and method of estimating state of charge
JP2016023968A5 (en)
JP2016023967A5 (en)
JP2019508682A5 (en)
JP2008061373A (en) Charging device
JP2010252474A (en) Method of charging secondary battery
JP2015171275A (en) Charger and charging method of secondary battery
JP2017060399A5 (en) Backup power supply system, deterioration estimation device
JP2016163403A5 (en)
TWI542115B (en) Charging apparatus and charging method thereof
US9997944B2 (en) Method and system of charging a battery
JP2020169898A5 (en)
JP5851514B2 (en) Battery control device, secondary battery system
JP2021087342A5 (en)
JP2016065844A5 (en)
JP6929969B2 (en) Battery management system and method for optimizing the internal resistance of the battery