EP1518213B1 - Verfahren zum sammeln von daten von einem motor getriebenen fahrzeug - Google Patents

Verfahren zum sammeln von daten von einem motor getriebenen fahrzeug Download PDF

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Publication number
EP1518213B1
EP1518213B1 EP03733715A EP03733715A EP1518213B1 EP 1518213 B1 EP1518213 B1 EP 1518213B1 EP 03733715 A EP03733715 A EP 03733715A EP 03733715 A EP03733715 A EP 03733715A EP 1518213 B1 EP1518213 B1 EP 1518213B1
Authority
EP
European Patent Office
Prior art keywords
recording
data file
vehicle
data
motor
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
EP03733715A
Other languages
English (en)
French (fr)
Other versions
EP1518213A1 (de
Inventor
Johan Larsson
Daniel Johansson
Bo Hammerlid
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.)
Volvo Truck Corp
Original Assignee
Volvo Lastvagnar AB
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Filing date
Publication date
Application filed by Volvo Lastvagnar AB filed Critical Volvo Lastvagnar AB
Publication of EP1518213A1 publication Critical patent/EP1518213A1/de
Application granted granted Critical
Publication of EP1518213B1 publication Critical patent/EP1518213B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 present invention relates to a method for collecting data from a motor-driven vehicle, which is provided with a microprocessor with memory for storing a particular quantity of data, the data being provided by a number of sensors connected to the vehicle and its motor and being recorded and compiled into a specific data file upon each recording occasion.
  • GB-A-2043310 discloses an electrical device for storing data related to a journey of a motor vehicle.
  • the device has a first data store and a second data store.
  • the first data store comprises data related to the most resent journey portion which is continuously overwritten by new data.
  • the second data store is used for storing information in case of power failure or in case of an accident. In such cases data is transferred from the first data store to the second data store.
  • the electrical device in GB-A-2043310 may be considered as a analogue to the "black box" flight recorders used in air craft.
  • the length of this period of time is determined by the storage capacity of the memory unit. It is economically advantageous if this capacity can be reduced.
  • An object of the invention is therefore to achieve a method for collecting data from a motor-driven vehicle, which method makes possible a cost-effective and efficient system solution.
  • the method according to the invention as stated in claim 1 is characterized by the steps of ascertaining that predetermined working conditions of the vehicle engine are fulfilled for recording a data file, of recording a data file as a non-erasable reference data file, and, on subsequent occasions when said conditions are fulfilled, of successively recording and storing a number of successively erasable data files within the predetermined quantity of data.
  • the quantity of data contains both non-erasable reference data and erasable logging data, which means that the system solution can be made very cost-effective.
  • the method according to the invention is intended to be used for recording status information comprising a number of operational parameters for a driving motor mounted in a vehicle.
  • These operational parameters can vary, for example depending upon the type of motor that the method is used with, the area of use of the motor and depending upon what information is available.
  • new types of sensor can open up new possibilities regarding information about the status of a motor.
  • new legislation can result in new operational parameters needing to be added.
  • the following embodiment thus contains only one example of what such status information can constitute.
  • the status information recorded on one and the same occasion can, for example, comprise the following operational parameters: Cooling fan speed, Vehicle speed, Accelerator position, Engine load, Fuel supply pressure, Oil pressure, Turbocharger pressure, Turbo temperature, Ambient air pressure, Coolant temperature, Crankcase pressure, Incoming air temperature, Oil temperature, Fuel load, Engine speed, EGR, Total distance driven and Total running time for the motor.
  • This status information can be used to determine the condition of the motor and to study the historical trends during the life of the motor.
  • An electronic diagnostic tool can be used for reading off and processing status information before this is presented to the user.
  • the memory structure can be designed in the following way: Memory for special status recordings First status recording Status recording after a certain period of time Component replacement 1 Component replacement 2 Rolling register for normal status recordings Number 1 Number 2 ... Number 15
  • the first status recording is carried out when the motor is brand new and when all conditions for recording are fulfilled for the first time. This recording is never overwritten.
  • the second status recording is carried out after the motor has been running for a particular number of hours, corresponding to the motor's normal running-in period. This recording is never overwritten.
  • Use of the two remaining memory entries within the memory for special status recordings can be instigated via an electronic diagnostic tool in the event of a replacement of a vital component in the motor, for example in the event of a replacement of the turbo unit. These instigated recordings can be overwritten on a rolling basis. Instigated status recordings are carried out as soon as all the conditions for recording are fulfilled.
  • the normal register for status recording contains in this embodiment 15 memory entries, which are overwritten on a rolling basis with a suitable minimum interval of time. Time-activated status recording or fault-finding recording with a diagnostic tool is carried out as soon as all the conditions for recording are fulfilled.
  • a plurality of preconditions needs to be fulfilled before instigated or time-activated status recording can be carried out.
  • the sensors that are included in the recording conditions must be working properly.
  • the motor's coolant temperature must be within a particular range
  • the engine load must be high (close to maximum torque) or have a high torque requirement
  • the air pressure must be normal
  • motor protection mode must not be activated and the engine speed must be decreasing within a specific engine speed range.
  • the condition concerning the engine load means that the engine load must have been high for a particular period of time, for example for a few seconds. If the motor is not "healthy", it is possible that a system for reducing emissions will limit the torque when the torque requirement is high.
  • the condition concerning decreasing engine speed is only tested if the other conditions are fulfilled and occurs when the engine speed decreases within an engine speed range. If the engine speed increases within the range, the conditions will immediately become invalid, see Figure 2 .
  • Figure 1 is a diagram that shows the engine speed on the X-axis and the torque on the Y-axis, and shows a conventional torque graph 10 for a combustion engine.
  • Figure 2 illustrates the relationship of change in engine speed over time which is a condition for recording when the engine speed decreases by a particular number of rpm C within an engine speed range A-B. This is in order to ensure that the engine is running at full load and in this way to obtain conformity in the collection of data.
  • D shows the fulfilling of the condition over time.
  • An electronic diagnostic tool that can be connected to the vehicle's data system can be used to instigate a recording of a data file when the conditions are fulfilled. This is used in particular when fault-finding on the vehicle.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Measured Values (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (8)

  1. Verfahren zum Sammeln von Daten von einem motorbetriebenen Fahrzeug, das mit einem Mikroprozessor mit einem Speicher zum Speichern einer bestimmten Menge von Daten versehen ist, wobei die Daten durch eine Anzahl von Sensoren bereitgestellt werden, die mit dem Fahrzeug und seinem Motor verbunden sind, und nach jedem Aufzeichnungsereignis in eine spezifische Datendatei aufgezeichnet und kompiliert werden, gekennzeichnet durch die Schritte
    der Ermittlung, dass vorherbestimmte Arbeitsbedingungen des Fahrzeugmotors für eine Aufzeichnung einer Datendatei erfüllt sind,
    des Aufzeichnens einer Datendatei als nicht löschbare Referenzdatendatei, und bei darauffolgenden Ereignissen, wenn die Bedingungen erfüllt sind, des aufeinanderfolgenden Aufzeichnens und Speicherns einer Anzahl von aufeinanderfolgend löschbaren Datendateien in dem Speicher.
  2. Verfahren nach Anspruch 1, gekennzeichnet durch den Schritt des Aufzeichnens der Referenzdatendatei, wenn das Fahrzeug neu hergestellt ist.
  3. Verfahren nach Anspruch 1 oder 2, gekennzeichnet durch den Schritt,
    des Aufzeichnens einer zusätzlichen, nicht löschbaren Referenzdatendatei während des Einfahrens oder wenn das Fahrzeug seine Einfahrperiode gerade abgeschlossen hat.
  4. Verfahren nach einem der Ansprüche 1 bis 3, gekennzeichnet durch den Schritt des Aufzeichnens einer Referenzdatendatei, wenn bei dem Fahrzeug ein Austausch einer wesentlichen Motorkomponente durchgeführt wird.
  5. Verfahren nach Anspruch 4, gekennzeichnet durch den Schritt des Aufzeichnens einer löschbaren Referenzdatendatei, wenn bei dem Fahrzeug ein späterer Austausch einer Motorkomponente durchgeführt wird.
  6. Verfahren nach Anspruch 4 oder 5, gekennzeichnet durch den Schritt des aufeinanderfolgenden Aufzeichnens und Speicherns einer zusätzlichen aufeinanderfolgend löschbaren Referenzdatendatei im Falle nachfolgender Austausche einer wesentlichen Motorkomponente.
  7. Verfahren nach einem der Ansprüche 1 bis 6, gekennzeichnet durch den Schritt, dass auch berechnete und geschätzte Daten in der Datendatei aufgezeichnet werden, zusätzlich zu solchen Daten, die durch die Sensoren erzeugt werden.
  8. Verfahren nach einem der Ansprüche 1 bis 7, gekennzeichnet durch den Schritt, dass, wenn die Bedingungen erfüllt sind, eine Aufzeichnung einer Datendatei über ein Diagnostikwerkzeug veranlasst wird, das verwendet wird, wenn eine Fehlersuche an dem Fahrzeug durchgeführt wird.
EP03733715A 2002-06-24 2003-06-06 Verfahren zum sammeln von daten von einem motor getriebenen fahrzeug Expired - Lifetime EP1518213B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0201952A SE522502C2 (sv) 2002-06-24 2002-06-24 Metod att registrera data från ett motordrivet fordon
SE0201952 2002-06-24
PCT/SE2003/000945 WO2004001679A1 (en) 2002-06-24 2003-06-06 A method for collecting data from a motor-driven vehicle

Publications (2)

Publication Number Publication Date
EP1518213A1 EP1518213A1 (de) 2005-03-30
EP1518213B1 true EP1518213B1 (de) 2009-03-18

Family

ID=20288310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03733715A Expired - Lifetime EP1518213B1 (de) 2002-06-24 2003-06-06 Verfahren zum sammeln von daten von einem motor getriebenen fahrzeug

Country Status (10)

Country Link
EP (1) EP1518213B1 (de)
JP (1) JP4275067B2 (de)
CN (1) CN100511286C (de)
AT (1) ATE426220T1 (de)
AU (1) AU2003238997A1 (de)
BR (1) BRPI0312085B1 (de)
DE (1) DE60326727D1 (de)
ES (1) ES2323685T3 (de)
SE (1) SE522502C2 (de)
WO (1) WO2004001679A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043310A (en) * 1979-02-22 1980-10-01 Vdo Schindling Electrical device for storing data related to a journey of a motor vehicle
US4616320A (en) * 1984-03-12 1986-10-07 Teledyne Industries Inc. Seismic strong-motion recorder
US4621335A (en) * 1983-05-31 1986-11-04 Allied Corporation Real time recall feature for an engine data processor system
EP0545071A1 (de) * 1991-12-05 1993-06-09 Mercedes-Benz Ag Einrichtung zur Identifikation von Fahrzeug- und Ausstattungsmerkmalen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258421A (en) * 1978-02-27 1981-03-24 Rockwell International Corporation Vehicle monitoring and recording system
US5638273A (en) * 1995-03-29 1997-06-10 Remote Control Systems, Inc. Vehicle data storage and analysis system and methods
US5737215A (en) * 1995-12-13 1998-04-07 Caterpillar Inc. Method and apparatus for comparing machines in fleet
DE19624041A1 (de) * 1996-06-17 1997-12-18 Bayerische Motoren Werke Ag Verfahren zum Ändern eines elektronischen Speichers für nutzungsbezogene Daten eines Fahrzeugs
US6434458B1 (en) * 1999-10-28 2002-08-13 General Electric Company Method and apparatus for vehicle data transfer optimization

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043310A (en) * 1979-02-22 1980-10-01 Vdo Schindling Electrical device for storing data related to a journey of a motor vehicle
US4621335A (en) * 1983-05-31 1986-11-04 Allied Corporation Real time recall feature for an engine data processor system
US4616320A (en) * 1984-03-12 1986-10-07 Teledyne Industries Inc. Seismic strong-motion recorder
EP0545071A1 (de) * 1991-12-05 1993-06-09 Mercedes-Benz Ag Einrichtung zur Identifikation von Fahrzeug- und Ausstattungsmerkmalen

Also Published As

Publication number Publication date
BRPI0312085B1 (pt) 2016-06-28
SE0201952L (sv) 2003-12-25
AU2003238997A1 (en) 2004-01-06
SE522502C2 (sv) 2004-02-10
BR0312085A (pt) 2005-03-22
CN100511286C (zh) 2009-07-08
ATE426220T1 (de) 2009-04-15
SE0201952D0 (sv) 2002-06-24
WO2004001679A1 (en) 2003-12-31
CN1662935A (zh) 2005-08-31
ES2323685T3 (es) 2009-07-23
DE60326727D1 (de) 2009-04-30
EP1518213A1 (de) 2005-03-30
JP2005530948A (ja) 2005-10-13
JP4275067B2 (ja) 2009-06-10

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