JP2016182022A - 電動車両及びその制御方法 - Google Patents
電動車両及びその制御方法 Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
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- B60L2240/549—Current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
図1は、この発明の実施の形態1に従う電動車両の一例として示されるハイブリッド車両の全体構成を説明するブロック図である。図1を参照して、ハイブリッド車両100は、車両駆動装置22と、伝達ギヤ8と、駆動軸12と、車輪14と、電池16と、ECU(Electronic Control Unit)26とを備える。
ここで、D(N)はダメージ量Dの今回演算値を示し、D(N−1)は、周期Δt前に算出されたダメージ量Dの前回演算値を示す。D(N−1)は、前回演算時に記憶部58に記憶され、今回演算時に記憶部58から読み出される。
ここで、ΣD(N)は評価値の今回演算値を示し、ΣD(N−1)は、周期Δt前に算出された評価値の前回演算値を示す。γは減衰係数であり、ηは補正係数である。ΣD(N−1)は、前回演算時に記憶部58に記憶され、今回演算時に記憶部58から読み出される。γ及びηも、記憶部58に予め記憶され、今回演算時に記憶部58から読み出される。
上記の実施の形態1では、ハイレート劣化の度合いを示す評価値ΣDが所定のしきい値(負値)を下回ると、SOCの目標SCを高めるものとした。この実施の形態2では、評価値ΣDがしきい値を下回った場合にSOCを高める手段として、電池16を強制的に充電するための制御(以下「強制充電」とも称する。)が実行されるSOC域(強制充電を開始する制御下限から強制充電を終了する制御上限までの範囲)が高められる。
Claims (6)
- 電力を受けて車両駆動力を発生するとともに発電可能に構成された車両駆動装置と、
前記車両駆動装置との間で電力を入出力する二次電池と、
前記二次電池に対して入出力される電流を検出する電流センサと、
前記二次電池の充放電を制御するとともに、前記電流センサの検出値を用いて、前記充放電に伴なう前記二次電池の塩濃度の偏りに起因した前記二次電池の劣化の度合いを示す評価値を算出する制御装置とを備え、
前記制御装置は、前記評価値が予め定められたしきい値を超えると、前記二次電池の残存容量を上昇させるための制御を実行する、電動車両。 - 前記制御装置は、前記残存容量が所定の目標に近づくように前記二次電池の充放電を制御し、さらに、前記評価値が前記しきい値を超えると、前記評価値が前記しきい値よりも小さいときに比べて前記残存容量の目標を高める、請求項1に記載の電動車両。
- 前記制御装置は、前記残存容量が所定範囲に入るように前記二次電池の充放電を制御し、さらに、前記評価値が前記しきい値を超えると、前記評価値が前記しきい値よりも小さいときに比べて前記所定範囲を高める、請求項1又は請求項2に記載の電動車両。
- 電動車両の制御方法であって、
前記電動車両は、
電力を受けて車両駆動力を発生するとともに発電可能に構成された車両駆動装置と、
前記車両駆動装置との間で電力を入出力する二次電池と、
前記二次電池に対して入出力される電流を検出する電流センサとを含み、
前記制御方法は、
前記電流センサの検出値を用いて、前記二次電池の充放電に伴なう前記二次電池の塩濃度の偏りに起因した前記二次電池の劣化の度合いを示す評価値を算出するステップと、
前記評価値が予め定められたしきい値を超えると、前記二次電池の残存容量を上昇させるための制御を実行するステップとを含む、電動車両の制御方法。 - 前記残存容量が所定の目標に近づくように前記二次電池の充放電が制御され、
前記残存容量を上昇させるための制御を実行するステップは、前記評価値が前記しきい値を超えると、前記評価値が前記しきい値よりも小さいときに比べて前記残存容量の目標を高めるステップを含む、請求項4に記載の電動車両の制御方法。 - 前記残存容量が所定範囲に入るように前記二次電池の充放電が制御され、
前記残存容量を上昇させるための制御を実行するステップは、前記評価値が前記しきい値を超えると、前記評価値が前記しきい値よりも小さいときに比べて前記所定範囲を高めるステップを含む、請求項4又は請求項5に記載の電動車両の制御方法。
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JP2015062470A JP6213511B2 (ja) | 2015-03-25 | 2015-03-25 | 電動車両及びその制御方法 |
US15/078,737 US9744874B2 (en) | 2015-03-25 | 2016-03-23 | Electric vehicle and control method for electric vehicle |
EP16161987.9A EP3072729B1 (en) | 2015-03-25 | 2016-03-23 | Electric vehicle and control method for electric vehicle |
CN201610169606.7A CN106004473B (zh) | 2015-03-25 | 2016-03-23 | 电动车辆及其控制方法 |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017001498A (ja) * | 2015-06-09 | 2017-01-05 | トヨタ自動車株式会社 | ハイブリッド車両 |
JP2018074681A (ja) * | 2016-10-26 | 2018-05-10 | トヨタ自動車株式会社 | 自動車 |
JP2018081807A (ja) * | 2016-11-16 | 2018-05-24 | トヨタ自動車株式会社 | 車両の電池システム及びその制御方法 |
JP2019078572A (ja) * | 2017-10-20 | 2019-05-23 | 本田技研工業株式会社 | 電源システム及び車両 |
JP2019087423A (ja) * | 2017-11-07 | 2019-06-06 | トヨタ自動車株式会社 | 電池システム |
JP2019087496A (ja) * | 2017-11-09 | 2019-06-06 | トヨタ自動車株式会社 | 電池システム |
JP2019130983A (ja) * | 2018-01-30 | 2019-08-08 | トヨタ自動車株式会社 | 電動車両 |
JP2019130984A (ja) * | 2018-01-30 | 2019-08-08 | トヨタ自動車株式会社 | 電動車両及び電動車両の制御方法 |
JP2019137103A (ja) * | 2018-02-06 | 2019-08-22 | トヨタ自動車株式会社 | 電動車両 |
JP2019156229A (ja) * | 2018-03-14 | 2019-09-19 | トヨタ自動車株式会社 | ハイブリッド車両および、その制御方法 |
JP2020126753A (ja) * | 2019-02-04 | 2020-08-20 | 株式会社Soken | 電池システムおよび二次電池の制御方法 |
JP2020149880A (ja) * | 2019-03-14 | 2020-09-17 | トヨタ自動車株式会社 | 二次電池システム |
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CN106004473A (zh) | 2016-10-12 |
JP6213511B2 (ja) | 2017-10-18 |
US20160280093A1 (en) | 2016-09-29 |
CN106004473B (zh) | 2018-08-28 |
US9744874B2 (en) | 2017-08-29 |
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EP3072729B1 (en) | 2020-09-30 |
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