EP3619689A1 - Procédé et dispositif pour stocker des données d'un système en fonction de la situation - Google Patents

Procédé et dispositif pour stocker des données d'un système en fonction de la situation

Info

Publication number
EP3619689A1
EP3619689A1 EP18728591.1A EP18728591A EP3619689A1 EP 3619689 A1 EP3619689 A1 EP 3619689A1 EP 18728591 A EP18728591 A EP 18728591A EP 3619689 A1 EP3619689 A1 EP 3619689A1
Authority
EP
European Patent Office
Prior art keywords
data
time
memory
volatile memory
triggering event
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.)
Withdrawn
Application number
EP18728591.1A
Other languages
German (de)
English (en)
Inventor
Heribert BR UTIGAM
Heiko Diederichs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Publication of EP3619689A1 publication Critical patent/EP3619689A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/005—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor comprising combined but independently operative RAM-ROM, RAM-PROM, RAM-EPROM cells
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
    • G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station

Definitions

  • Vehicle systems in accident situations to make comprehensible For this purpose, relevant data from a period of a few seconds before the accident are recorded in accident situations and near-accident situations, such as when an airbag is triggered or when emergency braking is triggered. These data are designed to objectify accidents to individual accident parties and to assist in understanding the course of the accident and understanding its circumstances.
  • data recorders are usually at a trigger, d. H. when a trigger event occurs, only data stored in a period prior to the triggering event.
  • a data recording can end with the triggering of a restraint system. Such a fixed end of data storage may result in the loss of important information after the triggering event.
  • a triggering events for example, a change of an operating mode of a respective system, such as.
  • FIG. 1 shows a flow chart which is oriented along a time axis 1.
  • an automated driving function of a system such as a vehicle
  • a triggering event occurs by a request to a driver to control the vehicle by taking manual control.
  • another triggering event such as activation of a restraint system of the vehicle, occurs, as indicated by symbol 5.
  • data recording of data of the vehicle ends with the deactivation of the automatic
  • the data in a time range 9a which extends from a first time before time t1 to a second time after time t1, can be transferred into the read-only memory and evaluated accordingly later.
  • the data lying after the time t1 are detected after the time t1, written into the volatile memory and then, for example, after expiration of the time range 9a, written to the read-only memory.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)

Abstract

La présente invention concerne un procédé pour stocker des données d'un système en fonction de la situation. Selon ce procédé, des données du système sont acquises, regroupées dans au moins un bloc de données (9, 9a) et stockées dans une mémoire volatile. En réaction à la survenue d'au moins un événement de déclenchement (5) prédéfini, les données regroupées dans le ou les blocs de données sont transférées de la mémoire volatile à une mémoire morte. Une fenêtre temporelle dans laquelle les données relatives audit ou auxdits blocs de données sont acquises est sélectionnée de manière automatique et dynamique en fonction du ou des événements de déclenchement (5).
EP18728591.1A 2017-06-02 2018-05-29 Procédé et dispositif pour stocker des données d'un système en fonction de la situation Withdrawn EP3619689A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017209409 2017-06-02
PCT/EP2018/063973 WO2018219886A1 (fr) 2017-06-02 2018-05-29 Procédé et dispositif pour stocker des données d'un système en fonction de la situation

Publications (1)

Publication Number Publication Date
EP3619689A1 true EP3619689A1 (fr) 2020-03-11

Family

ID=62492622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18728591.1A Withdrawn EP3619689A1 (fr) 2017-06-02 2018-05-29 Procédé et dispositif pour stocker des données d'un système en fonction de la situation

Country Status (4)

Country Link
US (1) US11580021B2 (fr)
EP (1) EP3619689A1 (fr)
CN (1) CN110709899A (fr)
WO (1) WO2018219886A1 (fr)

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DE102022127057A1 (de) 2022-10-17 2024-04-18 Ifm Electronic Gmbh Verfahren zum Betreiben eines Schwingungssensors
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Also Published As

Publication number Publication date
US11580021B2 (en) 2023-02-14
WO2018219886A1 (fr) 2018-12-06
CN110709899A (zh) 2020-01-17
US20200210336A1 (en) 2020-07-02

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