JP4709293B2 - タイヤ情報監視装置 - Google Patents
タイヤ情報監視装置 Download PDFInfo
- Publication number
- JP4709293B2 JP4709293B2 JP2009094381A JP2009094381A JP4709293B2 JP 4709293 B2 JP4709293 B2 JP 4709293B2 JP 2009094381 A JP2009094381 A JP 2009094381A JP 2009094381 A JP2009094381 A JP 2009094381A JP 4709293 B2 JP4709293 B2 JP 4709293B2
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- directivity
- tire
- information
- antenna
- sampling
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- 238000012806 monitoring device Methods 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 60
- 238000005070 sampling Methods 0.000 claims description 45
- 230000008859 change Effects 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 230000001186 cumulative effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
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- 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
- B60C23/02—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
- B60C23/0422—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 characterised by the type of signal transmission means
- B60C23/0433—Radio signals
-
- 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
- B60C23/0422—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 characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
- B60C23/0444—Antenna structures, control or arrangements thereof, e.g. for directional antennas, diversity antenna, antenna multiplexing or antennas integrated in fenders
Description
51、61、71、81…第1線路
52、62、72、82…第2線路
53、63、73、83…受電点
54、64、74、84…終端抵抗
100 …受信機
200 …送信機
300 …タイヤ
Claims (4)
- 車両の各タイヤにおける検出された情報を、間欠的に各タイヤに設けられた送信機により送信して、この情報を車両に取り付けられたアンテナにより受信して、各タイヤの状態を監視するタイヤ情報監視装置において、
前記各タイヤの方向に前記アンテナの指向性を、離散的に、順次、切り換える指向性変化を、前記情報の送信期間において、多数周回繰り返すように、前記アンテナの指向性を制御する指向性制御手段と、
前記指向性制御手段により制御された前記アンテナの出力値を、切り換えられた前記指向性毎に、サンプリングするサンプリング手段と、
前記サンプリング手段によりサンプリングされた値を、同一指向性毎に群別して、累積する累積手段と、
受信した前記情報を、前記累積手段により累積された値が、最大となる群の指向性が示す方位に位置するタイヤから送信された情報であると判定する方位決定手段と
を有することを特徴とするタイヤ情報監視装置。 - 車両の各タイヤにおける検出された情報を、間欠的に各タイヤに設けられた送信機により送信して、この情報を車両に取り付けられたアンテナにより受信して、各タイヤの状態を監視するタイヤ情報監視装置において、
前記各タイヤの方向に前記アンテナの指向性を、離散的に、順次、切り換える指向性変化を、前記情報の送信期間において、多数周回繰り返すように、前記アンテナの指向性を制御する指向性制御手段と、
前記指向性制御手段により制御された前記アンテナの出力値を、切り換えられた前記指向性毎に、サンプリングするサンプリング手段と、
前記サンプリング手段によりサンプリングされた値において、前記指向性変化の各周期毎に、最大値をとる指向性を決定し、前記各指向性毎に、最大値をとった回数を計測する最大値回数計測手段と、
受信した前記情報を、前記最大値回数計測手段により計測された回数が最大となる指向性が示す方位に位置するタイヤから送信された情報であると判定する方位決定手段と
を有することを特徴とするタイヤ情報監視装置。 - 前記送信期間における前記指向性変化の周期の周回数は、20以上であることを特徴とする請求項1又は請求項2に記載のタイヤ情報監視装置。
- 前記送信期間における前記指向性変化の周期の周回数は、前記タイヤの回転速度が大きくなる程、多くすることを特徴とする請求項1又は請求項2に記載のタイヤ情報監視装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009094381A JP4709293B2 (ja) | 2009-04-08 | 2009-04-08 | タイヤ情報監視装置 |
US13/255,824 US20120133498A1 (en) | 2009-04-08 | 2010-04-06 | Tire information monitoring apparatus |
PCT/IB2010/000752 WO2010116231A1 (en) | 2009-04-08 | 2010-04-06 | Tire information monitoring apparatus with directive antenna |
DE112010003247T DE112010003247T5 (de) | 2009-04-08 | 2010-04-06 | Reifeninformation-Überwachungsvorrichtung |
CN2010800148028A CN102378699A (zh) | 2009-04-08 | 2010-04-06 | 具有指向性天线的轮胎信息监测设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009094381A JP4709293B2 (ja) | 2009-04-08 | 2009-04-08 | タイヤ情報監視装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010241353A JP2010241353A (ja) | 2010-10-28 |
JP4709293B2 true JP4709293B2 (ja) | 2011-06-22 |
Family
ID=42299798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009094381A Expired - Fee Related JP4709293B2 (ja) | 2009-04-08 | 2009-04-08 | タイヤ情報監視装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120133498A1 (ja) |
JP (1) | JP4709293B2 (ja) |
CN (1) | CN102378699A (ja) |
DE (1) | DE112010003247T5 (ja) |
WO (1) | WO2010116231A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5422542B2 (ja) * | 2010-11-25 | 2014-02-19 | 株式会社豊田中央研究所 | タイヤ情報監視装置 |
JP5844237B2 (ja) * | 2012-09-28 | 2016-01-13 | 太平洋工業株式会社 | タイヤ状態監視装置 |
JP2014114006A (ja) * | 2012-11-16 | 2014-06-26 | Tokai Rika Co Ltd | タイヤ位置判定装置 |
JP6231310B2 (ja) * | 2012-11-16 | 2017-11-15 | 株式会社東海理化電機製作所 | タイヤ位置判定装置 |
JP6375985B2 (ja) * | 2015-02-13 | 2018-08-22 | オムロン株式会社 | 無線通信制御システム、無線通信制御装置、無線通信制御方法、指向性情報生成方法、および無線機 |
DE102015211833B4 (de) | 2015-06-25 | 2023-08-10 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren, Computer-lesbares Medium, und System zum Erzeugen von Referenzdaten für eine Positionsbestimmung von Objekten relativ zu einem Fahrzeug |
JP6834284B2 (ja) * | 2016-09-20 | 2021-02-24 | カシオ計算機株式会社 | 方向推定装置、方向推定方法、及び、プログラム |
DE102016225481A1 (de) * | 2016-12-19 | 2018-06-21 | Continental Automotive Gmbh | Verfahren zur funktechnischen Optimierung einer Radüberwachung in einem Fahrzeug, Radüberwachungssystem eines Fahrzeuges sowie elektronische Radeinheit und Steuereinrichtung für ein derartiges Radüberwachungssystem |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0861160B1 (de) * | 1995-11-17 | 2000-04-05 | Beru AG | Verfahren zur zuordnung von sendern zu empfangsantennen bei reifendrucküberwachungssystemen |
DE19926616C2 (de) * | 1999-06-11 | 2001-05-23 | Continental Ag | Verfahren zur Durchführung einer Zuordnung von Reifendruckkontrollvorrichtungen eines Reifendruckkontrollsystems zu den Radpositionen eines Kraftfahrzeuges |
JP3672770B2 (ja) | 1999-07-08 | 2005-07-20 | 株式会社国際電気通信基礎技術研究所 | アレーアンテナ装置 |
US6693522B2 (en) * | 2001-10-12 | 2004-02-17 | Lear Corporation | System and method for tire pressure monitoring including automatic tire location recognition |
JP2003175711A (ja) * | 2001-12-12 | 2003-06-24 | Pacific Ind Co Ltd | タイヤ状態監視装置 |
JP4000891B2 (ja) * | 2002-04-12 | 2007-10-31 | トヨタ自動車株式会社 | タイヤ状態取得装置 |
CN1298555C (zh) * | 2003-01-22 | 2007-02-07 | 日产自动车株式会社 | 胎压监控装置和方法 |
JP4479727B2 (ja) * | 2004-10-01 | 2010-06-09 | 株式会社村田製作所 | タイヤ空気圧モニタ装置 |
FR2883509A1 (fr) * | 2005-03-23 | 2006-09-29 | Siemens Vdo Automotive Sas | Procede de detection d'un defaut d'emission d'une unite roue appartement a un systeme de surveillance de la pression des pneus et dispositif correspondant |
JP2007038887A (ja) * | 2005-08-04 | 2007-02-15 | Nissan Motor Co Ltd | タイヤ空気圧モニター装置 |
JP2007216910A (ja) * | 2006-02-20 | 2007-08-30 | Aisin Seiki Co Ltd | 車輪の状態監視装置 |
JP4447577B2 (ja) * | 2006-05-31 | 2010-04-07 | トヨタ自動車株式会社 | 車輪状態監視システム及び車輪位置特定方法 |
JP2008024175A (ja) * | 2006-07-21 | 2008-02-07 | Alps Electric Co Ltd | タイヤ状態監視装置 |
JP5315946B2 (ja) * | 2008-11-19 | 2013-10-16 | 日産自動車株式会社 | タイヤ空気圧モニタ装置、タイヤ空気圧モニタ装置付き車両およびタイヤ位置特定方法 |
JP2010241354A (ja) * | 2009-04-08 | 2010-10-28 | Toyota Central R&D Labs Inc | タイヤ情報監視装置 |
-
2009
- 2009-04-08 JP JP2009094381A patent/JP4709293B2/ja not_active Expired - Fee Related
-
2010
- 2010-04-06 WO PCT/IB2010/000752 patent/WO2010116231A1/en active Application Filing
- 2010-04-06 US US13/255,824 patent/US20120133498A1/en not_active Abandoned
- 2010-04-06 CN CN2010800148028A patent/CN102378699A/zh active Pending
- 2010-04-06 DE DE112010003247T patent/DE112010003247T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE112010003247T5 (de) | 2013-04-18 |
US20120133498A1 (en) | 2012-05-31 |
CN102378699A (zh) | 2012-03-14 |
WO2010116231A8 (en) | 2011-08-25 |
WO2010116231A1 (en) | 2010-10-14 |
JP2010241353A (ja) | 2010-10-28 |
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