JP7243965B2 - バッテリー管理装置及び方法 - Google Patents
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0815—Cache consistency protocols
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0808—Multiuser, multiprocessor or multiprocessing cache systems with cache invalidating means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/084—Multiuser, multiprocessor or multiprocessing cache systems with a shared cache
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0842—Multiuser, multiprocessor or multiprocessing cache systems for multiprocessing or multitasking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0877—Cache access modes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0877—Cache access modes
- G06F12/0882—Page mode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0891—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using clearing, invalidating or resetting means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
- G06F12/1433—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a module or a part of a module
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0637—Permissions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4405—Initialisation of multiprocessor systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
- G06F9/526—Mutual exclusion algorithms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/65—Details of virtual memory and virtual address translation
- G06F2212/656—Address space sharing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Power Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Human Computer Interaction (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Memory System (AREA)
Description
上述した実施形態のように、第1コア111のキャッシュメモリに保存された記録対象データが0x11111であり、第2コア113のキャッシュメモリに保存されたデータが0x10101であり、メインメモリ120に保存されたデータが0x00000であると仮定する。
第2コア113が第2キャッシュメモリ114に保存されたデータを削除する前、第2キャッシュメモリ114に保存されたデータをメインメモリ120に書き込む場合、データ重複記録によってデータ不整合が発生し得る。
10:バッテリーセル
20:測定部
21:温度測定ユニット
22:電圧測定ユニット
23:電流測定ユニット
100:バッテリー管理装置
110:プロセッサ
111:第1コア
112:第1キャッシュメモリ
113:第2コア
114:第2キャッシュメモリ
120:メインメモリ
A:電流計
Claims (11)
- マルチコア環境におけるデータ不整合を防止するバッテリー管理装置であって、
それぞれキャッシュメモリが備えられた複数のコアを含み、前記複数のコアのうちキャッシュメモリに記録対象データが保存されたコアをメインコアに設定し、前記複数のコアのうちメインコア以外のコアをサブコアに設定するプロセッサと、
前記メインコアによって前記記録対象データを保存するメインメモリと、を含み、
前記メインコアは、
前記記録対象データを前記メインメモリに書き込む間、前記サブコアの前記メインメモリに対するアクセス権限を遮断し、
前記記録対象データが前記メインメモリに書き込まれた後、前記サブコアに前記メインメモリに対するアクセス権限を与える、バッテリー管理装置。 - 前記プロセッサは、
前記キャッシュメモリに記録対象データが保存されたコアから前記記録対象データを前記メインメモリに書き込む旨の記録要請が入力された場合、前記メインコア及びサブコアを設定する、請求項1に記載のバッテリー管理装置。 - 前記サブコアは、
前記メインメモリに対するアクセス権限が遮断された場合、前記サブコアに備えられたキャッシュメモリに保存されたデータを削除する、請求項1または2に記載のバッテリー管理装置。 - 前記サブコアは、
前記メインメモリに対するアクセス権限が遮断された場合、前記サブコアに備えられたキャッシュメモリに保存されたデータのうち前記記録対象データに対応するデータを削除する、請求項3に記載のバッテリー管理装置。 - 前記プロセッサは、
前記サブコアに前記メインメモリに対するアクセス権限が与えられた後、前記メインコア及び前記サブコアに対する設定を初期化する、請求項1から4のいずれか一項に記載のバッテリー管理装置。 - 前記プロセッサは、
バッテリーセルの電流、電圧及び温度のうち少なくとも一つ以上についての測定データを受信し、
前記複数のコアは、
前記プロセッサが受信した測定データに基づいて前記バッテリーセルの充電状態及び健康状態の少なくとも一つを推定する、請求項1から5のいずれか一項に記載のバッテリー管理装置。 - 前記記録対象データは、
前記測定データ、前記メインコアによって推定された前記バッテリーセルの充電状態及び健康状態のうち少なくとも一つを含む、請求項6に記載のバッテリー管理装置。 - 請求項1から7のいずれか一項に記載のバッテリー管理装置を含む、バッテリーパック。
- 請求項1から7のいずれか一項に記載のバッテリー管理装置を含む、自動車。
- 複数のコアのうち備えられたキャッシュメモリに保存された記録対象データをメインメモリに書き込もうとするコアをメインコアに設定するメインコア設定段階と、
前記メインコアが前記記録対象データを前記メインメモリに書き込む間、前記メインコアによって前記複数のコアのうちメインコア以外のサブコアの前記メインメモリに対するアクセス権限を遮断するアクセス権限遮断段階と、
前記記録対象データが前記メインメモリに書き込まれた後、前記メインコアによって前記サブコアに前記メインメモリに対するアクセス権限を与えるアクセス権限付与段階と、を含む、バッテリー管理方法。 - 前記アクセス権限遮断段階の後、
前記サブコアのキャッシュメモリに保存されたデータを削除するキャッシュメモリ初期化段階をさらに含む、請求項10に記載のバッテリー管理方法。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2019-0116253 | 2019-09-20 | ||
KR1020190116253A KR20210034372A (ko) | 2019-09-20 | 2019-09-20 | 배터리 관리 장치 및 방법 |
PCT/KR2020/012583 WO2021054749A1 (ko) | 2019-09-20 | 2020-09-17 | 배터리 관리 장치 및 방법 |
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JP2022514551A JP2022514551A (ja) | 2022-02-14 |
JP7243965B2 true JP7243965B2 (ja) | 2023-03-22 |
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US (1) | US12007894B2 (ja) |
EP (1) | EP3929754B1 (ja) |
JP (1) | JP7243965B2 (ja) |
KR (1) | KR20210034372A (ja) |
CN (1) | CN113748396A (ja) |
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JP2003030042A (ja) | 2001-07-11 | 2003-01-31 | Fujitsu Ten Ltd | 複数コア付マイクロコンピュータ装置 |
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WO2021054749A1 (ko) | 2021-03-25 |
US20220091982A1 (en) | 2022-03-24 |
KR20210034372A (ko) | 2021-03-30 |
EP3929754A1 (en) | 2021-12-29 |
CN113748396A (zh) | 2021-12-03 |
EP3929754A4 (en) | 2022-05-18 |
JP2022514551A (ja) | 2022-02-14 |
US12007894B2 (en) | 2024-06-11 |
EP3929754B1 (en) | 2024-05-01 |
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