EP0566716B1 - Anordnung zur registrierung von fahrdaten mit einer sich der signalform von analogen messsignalen anpassenden zeitlichen auflösung - Google Patents

Anordnung zur registrierung von fahrdaten mit einer sich der signalform von analogen messsignalen anpassenden zeitlichen auflösung Download PDF

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Publication number
EP0566716B1
EP0566716B1 EP92922846A EP92922846A EP0566716B1 EP 0566716 B1 EP0566716 B1 EP 0566716B1 EP 92922846 A EP92922846 A EP 92922846A EP 92922846 A EP92922846 A EP 92922846A EP 0566716 B1 EP0566716 B1 EP 0566716B1
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EP
European Patent Office
Prior art keywords
data
ring
measurement signals
accident
arrangement
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.)
Expired - Lifetime
Application number
EP92922846A
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German (de)
English (en)
French (fr)
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EP0566716A1 (de
Inventor
Martin Gruler
Helmut Bacic
Hartmut Schultze
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Mannesmann VDO AG
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Mannesmann VDO AG
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Publication of EP0566716A1 publication Critical patent/EP0566716A1/de
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    • 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
    • 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

Definitions

  • the invention relates to an arrangement according to the preamble of the main claim. It is based on a device according to the teaching of GB 2 046 914 A, according to which an analog measurement signal is digitized and fed to a memory arrangement consisting of several shift registers, the measured values being stored in each shift register at a different clock rate.
  • a data acquisition device for the registration of driving data which should make the course of the accident verifiable by reconstructing the movement path of the vehicle, in particular with regard to accident situations for an objective clarification of the question of guilt, is essentially with two by the measurement signals of its sensors, which continuously record the driving dynamics of the vehicle significantly different waveforms.
  • GB 2 055 469 A discloses an accident data memory as a ring memory, in which after detection of the standstill, a time delay is activated before the data storage is interrupted, for example to prevent the accident data storage from ending too early when the vehicle is moving with blocked wheels.
  • the invention is based on the object of designing known arrangements for registering driving data in such a way that, taking into account the limited storage capacity, a high temporal resolution of the signal form of the analog measurement signal is ensured in the initial phase when an accident occurs.
  • the solution according to the invention ensures that the data permanently read into the ring buffer with both frequencies ensures that the measurement signals of an accident situation are recorded with a high sampling rate as soon as they occur. No frequency jump is triggered by the accident detection.
  • the selected memory controller also has the advantage that the data that were pending shortly before the accident event are also recorded with a high resolution. Since the storage of the measurement signals in the ring memory clocked with the higher frequency stopped immediately at the time of the accident detection the data stored over the loop duration is retained. This advantage in particular decisively improves the meaningfulness of the data recorded with the data acquisition device, since a reconstruction of the movement path of the vehicle is made possible much better by means of finely structured measurement data. Because it is precisely in the unambiguous, as complete as possible, showing the course of the accident that the purpose of this data recording is.
  • an analog measurement signal 1 z. B. the longitudinal or lateral acceleration of the vehicle, plotted on the time axis 2, the ordinate 3 indicating the amount of the signal 1.
  • the absolute value of the measurement signal is relatively small; the amplitude fluctuations are also relatively slow. If an accident now occurs, the magnitude of the measurement signal 1 changes abruptly, as a result of which a defined threshold 5 for triggering the memory controller according to the invention is exceeded and the accident event is recognized as such by the device.
  • the accident detection can also include criteria and arithmetic operations which go beyond this simple threshold value exceeding.
  • links to other sensor signals can also be used for accident detection.
  • the memory controller according to the invention could also be operated manually by actuating an operating element, e.g. B. the hazard warning lights are triggered. It is crucial that the accident event is recognized as such and this detection triggers the sequence of the memory control according to the invention.
  • the actual collision phase 7 is a part time of the accident recording time 6 and is recorded in addition to the normal data recording in the fast clocked data storage branch with high resolution.
  • the higher-level accident recording time 6 ends either when the vehicle is at a standstill 10, characterized by the absence of the analog measurement signal 1, or after a specified follow-up time 9, which begins when the trigger signal 25 occurs.
  • the accident record time 6, the total z. B. 45 seconds, is composed of a period 8 before the trigger signal 25 occurs and a follow-up time 9.
  • a low-frequency sampling rate 11 (with the frequency f1) of the analog measuring signals 1 permanently detected by the sensory measuring device is sufficient for the data storage, since the storage of more measuring points 13 does not usably increase the information content.
  • as many measuring points 13 as possible should be permanently stored at the higher sampling rate 12 predetermined by the frequency f2.
  • Fig. 2 illustrates the memory control.
  • Analog measuring signals 1 are continuously detected by the sensory measuring device of the data acquisition device and passed through an A / D converter 21. These digitized measurement signals are fed - either directly or combined with other time-synchronously acquired digital signals 20 into data words - to at least two ring memories 22 and 23 arranged in parallel, which read the data words in a different cycle.
  • the respective clock frequencies f1 and f2, where f1 is the storage frequency for the ring buffer 22 and f2 for the ring buffer 23, are specified by a control unit 24.
  • sampling frequencies f1 and f2 are different and should be selected so that f1 is suitable for sampling the low-frequency measurement signals of normal driving and that f2 is correspondingly higher in frequency in order to enable a high resolution of the high-frequency measurement signals which arise in accident situations. It has proven expedient to choose f1 at 25 Hz and f2 at 500 Hz.
  • the control unit 24 triggers a trigger signal 25 which stops the continuous scanning and storage of the measurement signals in the ring memories 22 and 23.
  • This stopping of the storage of the measurement signals in the ring memories 22 and 23 - and thus the preservation of the memory contents - takes place for both memories according to different criteria and at different times.
  • the stopping of the storage in the ring memory 22, which stores the measurement signals at the lower frequency f1 is delayed so that the recording in this memory ends when the vehicle has come to a standstill 10 or at the latest after the specified follow-up time 9 has expired.
  • This follow-up time 9 can be set at approximately 15 seconds to record what is happening after the actual accident.
  • This storage takes place as long as the trigger signal 25 characterizing the accident situation is present. If the trigger signal 25 goes out, the memory 26 also ends the high-frequency data storage in the preferred embodiment with a time delay after a short follow-up time 14, for which 100 ms have proven to be sufficient.
  • the recording duration of the memory 26 being composed of the duration of the trigger signal 25 corresponding to the collision phase 7 and a specified follow-up time 14.
  • time periods 14 and 15 in FIG. 1 are correctly drawn in relation to the duration of the collision phase 7, but there are actually a large number of measuring points 13 in these time periods 14 and 15. In the preferred embodiment, there are approximately 50 measuring points each .
  • This finely structured driving data can be assigned to the coarse grid of the data stored in the ring memory 22 such that when the trigger signal 25 occurs in both ring memories 22 and 23, the current time, if the data acquisition device is equipped with a real-time clock, or another suitable marking can be saved with.
  • the stored data are evaluated later, it is possible to relate the two time patterns formed by the different sampling frequencies f1 and f2 to one another.
  • the rapidly clocked data storage branch consisting of the ring memory 23 and the semiconductor memory 26, is executed multiple times in order to achieve several bumping events that occur within the follow-up time 9 that is assigned to the higher-level ring memory 22 and their duration in relation to the Follow-up time 9 are very short, to be able to record individually.
  • Each new push process then activates the next parallel data storage branch as often as there is still a free data storage branch of this type.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Recording Measured Values (AREA)
EP92922846A 1991-11-11 1992-11-04 Anordnung zur registrierung von fahrdaten mit einer sich der signalform von analogen messsignalen anpassenden zeitlichen auflösung Expired - Lifetime EP0566716B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4136968 1991-11-11
DE4136968A DE4136968C1 (hu) 1991-11-11 1991-11-11
PCT/EP1992/002529 WO1993010510A1 (de) 1991-11-11 1992-11-04 Anordnung zur registrierung von fahrdaten mit einer der signalform von analogen messsignalen anpassenden zeitlichen auflösung

Publications (2)

Publication Number Publication Date
EP0566716A1 EP0566716A1 (de) 1993-10-27
EP0566716B1 true EP0566716B1 (de) 1996-03-27

Family

ID=6444476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92922846A Expired - Lifetime EP0566716B1 (de) 1991-11-11 1992-11-04 Anordnung zur registrierung von fahrdaten mit einer sich der signalform von analogen messsignalen anpassenden zeitlichen auflösung

Country Status (18)

Country Link
US (1) US5412570A (hu)
EP (1) EP0566716B1 (hu)
JP (1) JPH0769193B2 (hu)
KR (1) KR100206605B1 (hu)
AR (1) AR247452A1 (hu)
AT (1) ATE136137T1 (hu)
AU (1) AU661735B2 (hu)
CA (1) CA2098709A1 (hu)
CZ (1) CZ280371B6 (hu)
DE (1) DE4136968C1 (hu)
FI (1) FI933153A0 (hu)
HU (1) HU215325B (hu)
IL (1) IL103697A (hu)
MX (1) MX9206445A (hu)
PL (1) PL169679B1 (hu)
SK (1) SK72893A3 (hu)
WO (1) WO1993010510A1 (hu)
ZA (1) ZA928701B (hu)

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DE4237365A1 (de) * 1992-11-05 1994-05-11 Mannesmann Kienzle Gmbh Verfahren und Anordnung zur Speicherung von Meßdaten in einem Registriergerät
DE4303470C1 (de) * 1993-02-06 1994-02-17 Mannesmann Kienzle Gmbh Unfalldatenspeicher
JP2521024B2 (ja) * 1993-04-20 1996-07-31 淡路フェリーボート株式会社 交通事故デ―タ記録装置及び交通事故再現システム
DE4335991A1 (de) * 1993-10-21 1995-04-27 Telefunken Microelectron Auslösevorrichtung für Kfz-Sicherheitssysteme
JP3331036B2 (ja) * 1994-01-13 2002-10-07 株式会社日立国際電気 フライトデータレコーダ
US5742915A (en) * 1995-12-13 1998-04-21 Caterpillar Inc. Position referenced data for monitoring and controlling
US8090598B2 (en) 1996-01-29 2012-01-03 Progressive Casualty Insurance Company Monitoring system for determining and communicating a cost of insurance
US8140358B1 (en) 1996-01-29 2012-03-20 Progressive Casualty Insurance Company Vehicle monitoring system
DE19632248C1 (de) * 1996-08-09 1997-12-04 Siemens Ag Anzeigevorrichtung mit einer Recheneinheit zur Erkennung eines Reizsignals und Verfahren zum Erkennen eines Reizsignals
DE29614745U1 (de) * 1996-08-24 1996-11-28 Moto Spezial Motorradhandel Un Gerät zur Messung und Anzeige mindestens der Gechwindigkeit und der Drehzahl von Fahrzeugen
DE19716508A1 (de) * 1997-04-19 1998-11-05 Mannesmann Vdo Ag Verfahren und Unfalldatenspeicher zur Bereitstellung eines zeitbasierten Datensatzes zur Unfallrekonstruktion
DE19909516B4 (de) * 1999-03-04 2008-04-17 TÜV SÜD Automotive GmbH Verfahren zum Wahrnehmbarmachen von Meßdaten eines Versuchsablaufs sowie Versuchsdatenerfassungs-Auswertungssystem
US6397132B1 (en) 1999-09-30 2002-05-28 Siemens Automotive Corporation Electronic thronttle control with accident recordal unit
US6628995B1 (en) * 2000-08-11 2003-09-30 General Electric Company Method and system for variable flight data collection
US7941258B1 (en) 2000-08-31 2011-05-10 Strategic Design Federation W, Inc. Automobile monitoring for operation analysis
US7584033B2 (en) 2000-08-31 2009-09-01 Strategic Design Federation W. Inc. Automobile monitoring for operation analysis
US6556905B1 (en) 2000-08-31 2003-04-29 Lisa M. Mittelsteadt Vehicle supervision and monitoring
DE10046696A1 (de) * 2000-09-21 2002-04-11 Bosch Gmbh Robert Verfahren und Vorrichtung zum Aufzeichnen von Fahrzeugdaten
US6825767B2 (en) 2002-05-08 2004-11-30 Charles Humbard Subscription system for monitoring user well being
US6795759B2 (en) * 2002-08-26 2004-09-21 International Business Machines Corporation Secure logging of vehicle data
JP4613741B2 (ja) * 2005-08-05 2011-01-19 トヨタ自動車株式会社 車両用データ記録装置
DE102005043335A1 (de) * 2005-09-12 2007-05-16 Siemens Ag Anordnung mit einem Tachographen
DE102005044703A1 (de) * 2005-09-19 2007-03-29 Siemens Ag Datenverarbeitungsanlage und Verfahren zum Betrieb
DE102006032727A1 (de) * 2006-07-14 2008-01-31 Lucas Automotive Gmbh Verfahren und Vorrichtung zur Plausibilitätskontrolle von Messwerten im Kraftfahrzeugumfeld
JP2008145336A (ja) * 2006-12-12 2008-06-26 Mitsubishi Electric Corp センサ検出値モニタ装置
US8386730B2 (en) * 2007-09-11 2013-02-26 Nec Corporation Data logger, data saving method and program
US9916625B2 (en) 2012-02-02 2018-03-13 Progressive Casualty Insurance Company Mobile insurance platform system
DE102013014879B4 (de) 2013-09-06 2019-11-28 Audi Ag Kraftfahrzeug mit einem Unfalldatenspeicher
US20150235323A1 (en) * 2014-02-19 2015-08-20 Himex Limited Automated vehicle crash detection
DE102016111817A1 (de) * 2016-06-28 2017-12-28 Prüftechnik Dieter Busch AG Datensammler sowie Einrichtung und Verfahren zum Sammeln von Messdaten
FR3085057B1 (fr) * 2018-08-17 2021-08-06 Psa Automobiles Sa Procede de surveillance d’un systeme de motorisation de vehicule

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CH638329A5 (de) * 1979-04-12 1983-09-15 Apag Elektronik Ag Verfahren und vorrichtung zum erfassen, speichern und auswerten von fahrdaten.
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Also Published As

Publication number Publication date
KR100206605B1 (ko) 1999-07-01
IL103697A (en) 1995-03-15
PL299971A1 (en) 1994-01-24
HU9301833D0 (en) 1993-10-28
PL169679B1 (pl) 1996-08-30
ZA928701B (en) 1993-06-07
CZ138693A3 (en) 1994-05-18
JPH06500182A (ja) 1994-01-06
ATE136137T1 (de) 1996-04-15
IL103697A0 (en) 1993-04-04
SK72893A3 (en) 1993-10-06
HUT64149A (en) 1993-11-29
KR930703653A (ko) 1993-11-30
CA2098709A1 (en) 1993-05-12
AR247452A1 (es) 1994-12-29
US5412570A (en) 1995-05-02
JPH0769193B2 (ja) 1995-07-26
CZ280371B6 (cs) 1996-01-17
WO1993010510A1 (de) 1993-05-27
AU2895092A (en) 1993-06-15
EP0566716A1 (de) 1993-10-27
FI933153A (fi) 1993-07-09
MX9206445A (es) 1993-05-01
AU661735B2 (en) 1995-08-03
DE4136968C1 (hu) 1992-11-12
FI933153A0 (fi) 1993-07-09
HU215325B (hu) 1998-11-30

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