WO2005025899A1 - Zuordnungsverfahren für ein kombiniertes reifendrucküberwachungssystem in kraftfahrzeugen - Google Patents
Zuordnungsverfahren für ein kombiniertes reifendrucküberwachungssystem in kraftfahrzeugen Download PDFInfo
- Publication number
- WO2005025899A1 WO2005025899A1 PCT/EP2004/052019 EP2004052019W WO2005025899A1 WO 2005025899 A1 WO2005025899 A1 WO 2005025899A1 EP 2004052019 W EP2004052019 W EP 2004052019W WO 2005025899 A1 WO2005025899 A1 WO 2005025899A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- idx
- pressure
- identifier
- pressure monitoring
- tire
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0415—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
- B60C23/0416—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
- B60C23/061—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle by monitoring wheel speed
Definitions
- the invention relates to an assignment method for a combined tire pressure monitoring system in motor vehicles according to the preamble of claim 1, and a computer program product according to claim 10.
- TPMS Tire Pressure Monitoring System
- DDS indirectly measuring tire pressure monitoring systems
- the directly measuring tire pressure monitoring system uses pressure measurement modules to measure the tire pressure directly in the tire in question, which means that all wheels are monitored independently of one another.
- the measured tire air pressure is sent alone or in connection with other measured values (e.g. tire temperature) by means of a transmitter unit connected to the pressure measurement module to one or more receiver units arranged on the vehicle.
- Each transmission unit has an individual identifier, which is sent together with the measured tire air pressure and any other measured values.
- the one or more existing receiving device forwards the received data (measured values and identifications) to an evaluation unit, which issues a warning to the driver in the event of a loss of tire pressure.
- the directly measuring tire pressure monitoring system TPMS detects a tire air pressure loss very early on.
- a disadvantage of the known directly measuring tire pressure monitoring systems is that, on the one hand, the reliability is very limited due to the usually non-redundant pressure measurement modules and, on the other hand, a high cost is required for the detection of which tire (e.g. tire in front left) has a loss of tire pressure , since several reception devices are usually required for a safe allocation of the tires to the installation locations (e.g. front left).
- the indirectly measuring tire pressure monitoring system is based on the measurement of wheel speeds.
- the increase in wheel speed is a measure of the tire air pressure, since a Tires with a lower tire air pressure (e.g. 1.0 bar) deviating from the target pressure (e.g. 2.0 bar) have a smaller dynamic rolling circumference. Due to this speed difference, the indirectly measuring tire pressure monitoring system (DDS) detects a loss of tire pressure.
- the wheel sensors already used in a vehicle with an anti-lock braking system (ABS) are usually used to determine the wheel speeds. The advantage of these wheel sensors is that they are monitored for possible failures or are designed redundantly, as a result of which tire pressure loss is detected with a high degree of reliability. Since the installation location (e.g.
- DDS indirect tire pressure monitoring systems
- a counter C_IDx_y is provided for each possible combination of a pressure measurement module with an identifier IDx and an installation location y.
- an identifier counter C__IDx is initialized for each pressure measuring module with an identifier IDx.
- the combined tire pressure monitoring system is based on a direct measuring tire pressure monitoring system (TPMS) and an indirect measuring tire pressure monitoring system (DDS).
- TPMS direct measuring tire pressure monitoring system
- DDS indirect measuring tire pressure monitoring system
- the directly measuring tire pressure monitoring system sends wheel-specific tire air pressures together with an individual identifier, hereinafter referred to as IDx, to a receiving device connected to an evaluation device by means of a transmitting device arranged in or on the vehicle wheel.
- the wheel-specific tire air pressures are recorded by so-called pressure measurement modules.
- the evaluation device thus receives an individual tire air pressure and an individual identifier (IDx) from each vehicle wheel.
- the directly measuring tire pressure monitoring system according to the invention has one pressure measuring module per wheel. If there are fewer pressure measurement modules than wheels, in this case the tire air pressures of the other wheels can be determined using the indirectly measuring tire pressure monitoring method described below.
- the indirectly measuring tire pressure monitoring system detects a tire air pressure loss from wheel speeds, which are measured by means of wheel sensors.
- the wheel sensors which are already used in a vehicle with ABS to determine the turning behavior of the wheels, are also used for the indirectly measuring tire pressure monitoring system (DDS).
- the wheel sensors are already assigned to an installation location, e.g. B. Wheel sensor on the front left wheel.
- the indirectly measuring tire pressure monitoring system (DDS) is also known at which installation site a tire air pressure loss is determined.
- the directly measuring tire pressure monitoring system detects when at least one tire air pressure changes. This change in the at least one tire air pressure is also recognized by the indirectly measuring tire pressure monitoring system (DDS).
- the information from both systems is processed statistically to determine an assignment of the IDx (from the TPMS) to the wheel positions (from the DDS).
- thresholds are defined, below which the directly measuring tire pressure monitoring system (TPMS) detects a tire air pressure loss. For example, a normal tire air pressure of 2.0 bar is assumed. For example, a tire air pressure of 1.5 bar is defined as the threshold. If one or more pressure measurement module (s) now delivers a tire air pressure that is below the threshold of 1.5 bar, the evaluation device concludes that there is a loss of tire air pressure. Now it is checked whether the indirectly measuring tire pressure monitoring system (DDS) recognizes the installation location of the affected wheels. For this purpose, a counter C is initialized for each possible combination of the individual identifier (IDx) of the pressure measuring modules and the installation locations.
- IDx individual identifier
- C_IDx_y there are thus a total of 16 counters C_IDx_y.
- C IDl VL means that it is the counter of the identifier ID1 in combination with the front left wheel.
- identifier counters C_IDx (x: 1, 2, 3, 4) are provided, which determine how often a pressure change module with the associated identifier (IDx) delivers a pressure change.
- the pressure measuring module with ID1 supplies a loss of tire pressure and the indirectly measuring tire pressure monitoring system (DDS) detects e.g. If, for example, there is also a tire air pressure loss at the installation location at the front left (VL), the counter C_ID1_VL is increased by a certain value (for example “1”). Furthermore, the identifier counter C_ID1 is also increased by a certain value (for example . "1") increased. If two pressure measurement modules indicate pressure changes (e.g. ID1 and ID2) and the indirectly measuring tire pressure monitoring system (DDS) detects a pressure change ah two wheels (e.g.
- three pressure measurement modules show a pressure change (e.g. ID1, ID2 and ID3) and the indirectly measuring tire pressure monitoring system (DDS) detects three installation locations (e.g. VL, VR and HL) at which there is a pressure change, then this clearly determines the location of the fourth wheel.
- the pressure measuring module with the identifier ID4 shows no pressure change and no pressure change was found at the installation location HR.
- the counter C_ID4_HR for this combination and the identifier counter C_ID4 are each incremented by "1".
- An identifier is assigned to an installation location y when a probability W_IDx_y is greater than a probability threshold Wmax and significantly greater than all other calculated probabilities.
- the following probabilities or dependencies result, for example:
- the pressure measurement module with the IDl ID is thus assigned to the installation location at the front left (VL).
- the counters (C_IDx and C_IDx_y) mentioned in the assignment method according to the invention represent only one embodiment for determining the required probability values W_IDx_y.
- other known methods such as eg. For example, setting a "flag" (flag) etc. can be used to determine a frequency distribution between the pressure measurement modules with the identifiers IDx and the installation locations y.
- 16 counters C_IDx_y do not necessarily have to be provided. It is also sufficient, but with one lower detection reliability than in the embodiment mentioned, only 12 counters C_IDx_y are considered, in which case only three pressure measurement modules are assigned to their installation locations, in which case the fourth pressure module would automatically be assigned to the remaining installation location.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/571,177 US7503210B2 (en) | 2003-09-11 | 2004-09-02 | Allocation method for a combined tire pressure monitoring system in a motor vehicle |
JP2006525818A JP2007504996A (ja) | 2003-09-11 | 2004-09-02 | 自動車における組合せタイヤ圧監視システム用の割出し方法 |
DE502004012133T DE502004012133D1 (de) | 2003-09-11 | 2004-09-02 | Zuordnungsverfahren für ein kombiniertes reifendrucküberwachungssystem in kraftfahrzeugen |
EP04766690A EP1663674B1 (de) | 2003-09-11 | 2004-09-02 | Zuordnungsverfahren für ein kombiniertes reifendrucküberwachungssystem in kraftfahrzeugen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10342227.7 | 2003-09-11 | ||
DE10342227A DE10342227A1 (de) | 2003-09-11 | 2003-09-11 | Zuordnungsverfahren für ein kombiniertes Reifendrucküberwachungssystem in Kraftfahrzeugen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005025899A1 true WO2005025899A1 (de) | 2005-03-24 |
Family
ID=34258621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/052019 WO2005025899A1 (de) | 2003-09-11 | 2004-09-02 | Zuordnungsverfahren für ein kombiniertes reifendrucküberwachungssystem in kraftfahrzeugen |
Country Status (5)
Country | Link |
---|---|
US (1) | US7503210B2 (de) |
EP (1) | EP1663674B1 (de) |
JP (1) | JP2007504996A (de) |
DE (2) | DE10342227A1 (de) |
WO (1) | WO2005025899A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8392048B2 (en) * | 2006-11-30 | 2013-03-05 | Hunter Engineering Company | Integrated tire pressure diagnostic system and method |
DE102010037512B4 (de) * | 2010-08-31 | 2015-09-24 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Verfahren zum Zuordnen von Kennungen von Radelektroniken eines Reifendrucküberwachungssystems eines Fahrzeugs zu den Positionen von ABS-Sensoren an dem Fahrzeug |
JP5321634B2 (ja) * | 2011-04-01 | 2013-10-23 | 日本精工株式会社 | 自動車用ステアリングコラムの支持装置 |
DE102015002599A1 (de) * | 2015-02-28 | 2016-09-01 | Wabco Gmbh | Verfahren zur Überwachung des Reifendruckes eines Kraftfahrzeugs |
US9694811B1 (en) * | 2015-12-28 | 2017-07-04 | Yanping Lai | Intelligent intervention method based on integrated TPMS |
US10124634B2 (en) * | 2016-12-13 | 2018-11-13 | Fz Engineering Inc. | Tire pressure monitoring system emulation device and method |
CN106585297B (zh) * | 2016-12-19 | 2019-04-02 | 东风汽车公司 | 乘用车胎压监测系统的id匹配方法及系统 |
Citations (3)
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DE10152338A1 (de) * | 2001-10-24 | 2003-05-15 | Siemens Ag | Verfahren und System zur Überwachung der Räder eines Kraftfahrzeuges |
DE10238571A1 (de) * | 2002-08-22 | 2004-03-04 | Siemens Ag | Verfahren und Vorrichtung zum Erkennen von fahrzeugeigenen Radelektronikeinheiten sowie Radelektronikeinheit |
WO2004058517A1 (de) * | 2002-12-20 | 2004-07-15 | Continental Teves Ag & Co. Ohg | Verfahren zur automatischen bestimmung der einbaupositionen von rädern in einem kraftfahrzeug |
Family Cites Families (11)
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US6014599A (en) * | 1996-08-29 | 2000-01-11 | Denso Corporation | Tire abnormality sensor |
DE19917034C1 (de) * | 1999-04-15 | 2000-11-23 | Continental Ag | Verfahren zur Überwachung des Luftdrucks der Reifen eines Kraftfahrzeuges |
DE19926616C2 (de) * | 1999-06-11 | 2001-05-23 | Continental Ag | Verfahren zur Durchführung einer Zuordnung von Reifendruckkontrollvorrichtungen eines Reifendruckkontrollsystems zu den Radpositionen eines Kraftfahrzeuges |
DE19938431C2 (de) * | 1999-08-13 | 2001-09-27 | Continental Ag | System für ein Kraftfahrzeug mit einem Hochfrequenzsender und einem Hochfrequenzempfänger |
DE10058140A1 (de) * | 2000-07-04 | 2002-01-24 | Continental Teves Ag & Co Ohg | Verfahren und Vorrichtung zur Erkennung eines Druckverlustes von Reifen in Kraftfahrzeugen und dessen/deren Verwendung |
US20020130771A1 (en) * | 2000-08-17 | 2002-09-19 | Osborne Corwin K. | Vehicle wheel monitoring system |
EP1406774B1 (de) * | 2001-07-09 | 2008-01-16 | Continental Teves AG & Co. oHG | System und verfahren zur überwachung des reifendrucks in kraftfahrzeugen |
US6731205B2 (en) * | 2001-08-06 | 2004-05-04 | Donnelly Corporation | Self training tire pressure monitoring system |
DE10302410B4 (de) * | 2002-01-25 | 2016-12-15 | Continental Teves Ag & Co. Ohg | Verfahren und Vorrichtung zur Überwachung eines Reifenluftdrucks |
US6802213B1 (en) * | 2003-06-12 | 2004-10-12 | Delphi Technologies, Inc. | Method and apparatus for tire pressure monitoring |
JP4483482B2 (ja) * | 2004-05-13 | 2010-06-16 | 株式会社デンソー | 位置検出装置および位置検出機能を備えたタイヤ空気圧検出装置 |
-
2003
- 2003-09-11 DE DE10342227A patent/DE10342227A1/de not_active Withdrawn
-
2004
- 2004-09-02 DE DE502004012133T patent/DE502004012133D1/de active Active
- 2004-09-02 JP JP2006525818A patent/JP2007504996A/ja not_active Withdrawn
- 2004-09-02 US US10/571,177 patent/US7503210B2/en not_active Expired - Fee Related
- 2004-09-02 WO PCT/EP2004/052019 patent/WO2005025899A1/de active Application Filing
- 2004-09-02 EP EP04766690A patent/EP1663674B1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10152338A1 (de) * | 2001-10-24 | 2003-05-15 | Siemens Ag | Verfahren und System zur Überwachung der Räder eines Kraftfahrzeuges |
DE10238571A1 (de) * | 2002-08-22 | 2004-03-04 | Siemens Ag | Verfahren und Vorrichtung zum Erkennen von fahrzeugeigenen Radelektronikeinheiten sowie Radelektronikeinheit |
WO2004058517A1 (de) * | 2002-12-20 | 2004-07-15 | Continental Teves Ag & Co. Ohg | Verfahren zur automatischen bestimmung der einbaupositionen von rädern in einem kraftfahrzeug |
Also Published As
Publication number | Publication date |
---|---|
DE10342227A1 (de) | 2005-04-07 |
US7503210B2 (en) | 2009-03-17 |
EP1663674B1 (de) | 2011-01-19 |
US20070075851A1 (en) | 2007-04-05 |
DE502004012133D1 (de) | 2011-03-03 |
EP1663674A1 (de) | 2006-06-07 |
JP2007504996A (ja) | 2007-03-08 |
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