WO2005123457A1 - Verfahren zur bereitstellung von vordefinierte ereignisse charakterisierenden daten für einen antriebsstrang für den einsatz in fahrzeugen - Google Patents
Verfahren zur bereitstellung von vordefinierte ereignisse charakterisierenden daten für einen antriebsstrang für den einsatz in fahrzeugen Download PDFInfo
- Publication number
- WO2005123457A1 WO2005123457A1 PCT/EP2005/003420 EP2005003420W WO2005123457A1 WO 2005123457 A1 WO2005123457 A1 WO 2005123457A1 EP 2005003420 W EP2005003420 W EP 2005003420W WO 2005123457 A1 WO2005123457 A1 WO 2005123457A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- events
- predefined
- event
- drive train
- vehicle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/04—Monitoring the functioning of the control system
- B60W50/045—Monitoring control system parameters
Definitions
- the invention relates to a method for providing data characterizing predefined events for a drive train for use in vehicles, specifically with the features from the preamble of claim 1.
- the invention is therefore based on the object of developing a method for the provision of predefined event-characterizing data for a drive train for use in vehicles in such a way that this method can be carried out independently of time and, above all, with regard to the required detection devices without great effort and complex preparation work ,
- the solution according to the invention is characterized by the features of claim 1. Advantageous refinements are given in the subclaims.
- Data characterizing events for a drive train for use in vehicles comprising a drive machine which can be coupled at least indirectly via a gear unit to the wheels to be driven, the data characterizing the predefined events, the functioning and / or the state of the individual components of the drive train and / or of the components assigned to these to guarantee functionality, at least indirectly describe at least one predefined event by means of a detection device provided for this purpose. Furthermore, at least one boundary condition present at the time the predefined event is recorded is recorded.
- the detected events and the boundary conditions assigned to them are fed via a data communication network, for example a CAN bus, to an event memory integrated in a control device assigned to the gear unit and stored in a readable manner.
- the solution according to the invention offers the advantage of storing and making available data relating to the entire drive system in an event memory provided in any case in a control device provided in any case.
- the variables or parameters are conveyed by means of corresponding detection devices which are assigned to the individual components anyway or are assigned via a data communication network and are stored in a central memory in the form of an event memory. From this, this data can then be read out in a simple manner as required, in particular via only one interface.
- the assignment of special devices to the individual components can be dispensed with, and also the corresponding design of the interfaces at the Devices assigned to the individual components for taking over and reading out the data and consequently also the interfaces or inputs on.
- Readout device which can be designed, for example, as a diagnostic device.
- the variables and parameters characterizing the events include the variables describing the functioning, states and properties of the individual components of the entire drive train and / or the functioning, states and properties of the components or systems assigned to the components or the system to ensure the function, in particular auxiliary components and systems understood.
- System components are, for example, the engine, the gearbox and the connecting elements between them.
- Systems or components assigned to the system components are, for example, cooling systems, electronic systems, line connections, etc.
- Boundary conditions are at least the quantities or parameters that characterize the state or the function of the drive system when the event occurs. These are preferably always seen in connection with an event for evaluation purposes.
- the user of the procedure is free to choose the type of event and the associated type of constraint.
- An appropriate choice or definition of the definition is preferably made according to the wishes of the user.
- the normal state can be defined as a size or parameter value or a size or parameter range.
- the latter offers the advantage, especially when detecting only deviations, that fluctuations or tolerances caused by the function or component need not be taken into account in addition.
- the predefined events can be recorded continuously or at predefined time intervals, the intervals being selectable or predeterminable for all types of events.
- the events are preferably stored so that they cannot be overwritten.
- the events are preferably recorded only as part of the vehicle's final acceptance by Manufacturer and / or the customer.
- the vehicle acceptance can be characterized by several individual start-ups, the events being determined for each of the start-ups and stored with the associated boundary conditions. In this case it is possible to link this data with the vehicle construction file.
- the predefined events and the associated boundary conditions can be recorded over the short service life when the final assembly of the vehicle and the theoretical operational readiness are completed until vehicle acceptance is completed.
- the readout process is preferably carried out via appropriate devices, at least in protocol form. It is also conceivable to include this data in an evaluation software.
- FIG. 1 illustrates, using a drive train, the coupling of the detection devices that can be assigned to individual components with an event memory
- FIGS. 2 and 3 illustrate the basic principle of a method according to the invention over the life of the vehicle on the basis of signal flow images.
- FIG. 1 illustrates, using a schematic representation of a drive train 1, how it is used in vehicles 2 and the functional assignment of the individual components for carrying out the method designed according to the invention for providing event data as part of vehicle acceptance for the manufacturer, an end customer or end consumer.
- the drive train 1 comprises at least one
- the connection between the Drive machine 3 and the gear unit 4 and the gear unit 4 and the wheels 5 can be designed in different ways.
- the gear unit 4 is assigned a control device 6, which is designed, for example, in the form of a control device 7 or in the form of a virtual control device 8 with a spatially separate arrangement of the individual components taking over the function of the control device.
- the control device 6 assigned to the gear unit 4 comprises at least one so-called event memory 9. Data can be read into this and can be read out again if necessary.
- the control device 6 can be assigned to the gear unit 4 directly, ie in close proximity.
- the arrangement can also be made on the housing of the gear unit 4 or in this. Arrangements at a spatial distance are also conceivable, in which case either lines or wireless connections are provided in accordance with the selected signal transmission to the transmission and from the transmission assembly 4.
- the other components in the drive train for example the engine 3, the
- Event is generally understood to mean a parameter or a quantity that describes the function, property or state of the component at least indirectly.
- the detection devices are assigned to the individual components.
- the detection devices 10.1 to 10.n are corresponding sensors which generate signals from the variables or parameters to be detected. Other detection devices are also conceivable.
- the detection device 10.1 to 10.n are over a
- Data communication network 11 connected to the event memory 9 of the control device 6 assigned to the transmission module 4.
- the parameters or variables determining the events are then transferred to the event memory 9 via this.
- the present boundary conditions at the time of detection are also determined in the form of environmental conditions. These can be described by physical quantities or parameters.
- the detection of the boundary conditions also takes place via corresponding detection devices 13.1 to 13.n, wherein, depending on the choice of the predefined event, the detection devices for events 10.1 to 10.n can also form the detection devices 13.x for the boundary conditions. In the specific case, this depends on the selection of the event to be recorded and the selected boundary conditions present at time t.
- the variables and parameters describing the boundary conditions are likewise stored or stored in the event memory 9 via the CAN bus.
- the storage can take place continuously with continuous recording of the events or in certain time intervals ⁇ t. There is therefore always a fixed assignment between the detected event and the boundary conditions determined at the time when the event ta k ueii was recorded.
- the choice of the event type to be recorded can be predefined and is free.
- the specific selection of the types of events to be recorded and the associated boundary conditions depends in detail on the information to be obtained in the form of a protocol, general information or an evaluation. For this purpose, a preliminary definition of the events of interest to the respective end customer or end consumer in the course of vehicle acceptance and, in this context, a definition of the boundary conditions to be recorded.
- this data is stored in the event memory, and the storage can take place continuously or at predefined intervals ⁇ t.
- This data can then be read out via a diagnostic device 14 or another evaluation unit which can be coupled to the event memory 9.
- the coupling can take place electronically via line or also wirelessly, with here the Data transmission can be made via infrared or another transmission method.
- FIG. 2 illustrates the basic principle of the provision of data according to the invention in a drive system on the basis of a signal flow diagram.
- the signal flow diagram shows the cycle between the completion of the vehicle, i.e. the final assembly, right up to the end customer or consumer, the event data according to the invention being provided at least during final acceptance.
- the process according to the invention is always started when the vehicle is finally started.
- the predefined events are recorded and the boundary conditions existing at the time of the recording events. Both are stored in the event log.
- the data is read out in the next process step.
- the reading can take place via a reading device integrated in the vehicle or else a device located outside the vehicle and which can be coupled to the transmission control, for example a diagnostic device or another evaluation device.
- FIG. 3 illustrates on the basis of a signal flow diagram over the life cycle or the lifespan of a vehicle the possibility, in addition to the provision of event data for final acceptance, also that before final acceptance, but after completion of the vehicle, that is to say event data present during final assembly of the drive train and readiness for test runs, which correspond to the predefined event data as determined by the end customer for final acceptance.
- the individual predefined events are also recorded between the theoretical operational readiness of the vehicle and the actual final acceptance by the manufacturer or end customer during test runs, as well as the associated boundary conditions and stored in the event memory. It is possible to separate this data again in the event memory in order to be able to differentiate between the individual areas. However, this is not absolutely necessary. This is preferred However, option selected in order to obtain a differentiation here too, in particular with regard to errors or deviations which may have occurred during completion and which were then corrected during the test runs or before handover and final acceptance. With this solution, there is usually almost a complete history between the event data for final acceptance, also that before final acceptance, but after completion of the vehicle, that
- the acquisition of the event data is preferably carried out continuously.
- the event data and the associated boundary conditions are saved again each time the time interval ⁇ t x has elapsed.
- the events contain at least parameters or quantities which at least indirectly describe the functioning or the state of a component or a component required for its function, the event including at least one deviation from the theoretical normal state.
- the event subject is preferably expanded in such a way that the normal state is also logged.
- the aim is to be able to draw conclusions about possible sources of error, at least for the end user, when accepting the vehicle, which inevitably have no effect on vehicle availability and therefore do not necessarily require a check, but due to the deviation from the normal state, to one possible source of error or possible negative source of interference in the course of the operating range.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0509644-8A BRPI0509644A (pt) | 2004-06-15 | 2005-04-01 | processo para provisão de dados que caracterizam eventos predefinidos para uma linha de acionamento para uso em veìculos |
EP05716490A EP1697176A1 (de) | 2004-06-15 | 2005-04-01 | Verfahren zur bereitstellung von vordefinierte ereignisse charakterisierenden daten für einen antriebsstrang für den einsatz in fahrzeugen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004028647.7 | 2004-06-15 | ||
DE200410028647 DE102004028647A1 (de) | 2004-06-15 | 2004-06-15 | Verfahren zur Bereitstellung von vordefinierte Ereignisse charakterisierenden Daten für einen Antriebsstrang für den Einsatz in Fahrzeugen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005123457A1 true WO2005123457A1 (de) | 2005-12-29 |
Family
ID=34962634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/003420 WO2005123457A1 (de) | 2004-06-15 | 2005-04-01 | Verfahren zur bereitstellung von vordefinierte ereignisse charakterisierenden daten für einen antriebsstrang für den einsatz in fahrzeugen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1697176A1 (de) |
CN (1) | CN1980818A (de) |
BR (1) | BRPI0509644A (de) |
DE (1) | DE102004028647A1 (de) |
RU (1) | RU2007101316A (de) |
WO (1) | WO2005123457A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8880281B2 (en) | 2010-03-01 | 2014-11-04 | GM Global Technology Operations LLC | Event data recorder system and method |
CN102297259B (zh) * | 2011-05-12 | 2014-07-16 | 浙江吉利汽车研究院有限公司 | 一种改进的变速器自动换挡的控制方法及其电子控制器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1118801A2 (de) * | 2000-01-21 | 2001-07-25 | Voith Turbo GmbH & Co. KG | Verfahren zur Optimierung des Getriebemanagementes in einem Antriebsstrang für Fahrzeuge |
-
2004
- 2004-06-15 DE DE200410028647 patent/DE102004028647A1/de not_active Withdrawn
-
2005
- 2005-04-01 RU RU2007101316/11A patent/RU2007101316A/ru not_active Application Discontinuation
- 2005-04-01 WO PCT/EP2005/003420 patent/WO2005123457A1/de active Application Filing
- 2005-04-01 CN CNA2005800195348A patent/CN1980818A/zh active Pending
- 2005-04-01 EP EP05716490A patent/EP1697176A1/de not_active Withdrawn
- 2005-04-01 BR BRPI0509644-8A patent/BRPI0509644A/pt not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1118801A2 (de) * | 2000-01-21 | 2001-07-25 | Voith Turbo GmbH & Co. KG | Verfahren zur Optimierung des Getriebemanagementes in einem Antriebsstrang für Fahrzeuge |
Also Published As
Publication number | Publication date |
---|---|
RU2007101316A (ru) | 2008-07-20 |
BRPI0509644A (pt) | 2007-09-18 |
EP1697176A1 (de) | 2006-09-06 |
DE102004028647A1 (de) | 2006-01-05 |
CN1980818A (zh) | 2007-06-13 |
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