JP7339720B2 - タイヤ側壁温度検出システム及び方法 - Google Patents
タイヤ側壁温度検出システム及び方法 Download PDFInfo
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- FSAJRXGMUISOIW-UHFFFAOYSA-N bismuth sodium Chemical compound [Na].[Bi] FSAJRXGMUISOIW-UHFFFAOYSA-N 0.000 description 2
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- 238000007619 statistical method Methods 0.000 description 2
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- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
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- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
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- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
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- LWFNJDOYCSNXDO-UHFFFAOYSA-K gallium;phosphate Chemical compound [Ga+3].[O-]P([O-])([O-])=O LWFNJDOYCSNXDO-UHFFFAOYSA-K 0.000 description 1
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- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 1
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- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- MUPJWXCPTRQOKY-UHFFFAOYSA-N sodium;niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Na+].[Nb+5] MUPJWXCPTRQOKY-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
- G01K13/08—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies in rotary movement
-
- 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
-
- 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
- B60C23/20—Devices for measuring or signalling tyre temperature only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/183—Compensation of inertial measurements, e.g. for temperature effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
- G01L5/167—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using piezoelectric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/08—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
-
- 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
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
-
- 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
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
To=(Vo/Vs)Ts (1)
ここで、Toは動作温度、Voは動作電圧、Vsは開始電圧、Tsは開始温度である。
Claims (18)
- 回転するように構成された回転可能な構成要素と、
前記回転可能な構成要素の周に沿って配置された複数の圧電トランスデューサであって、前記複数の圧電トランスデューサのそれぞれは、それぞれの圧電トランスデューサの機械的な変形に基づいてそれぞれの電圧を生成するように構成されており、前記複数の圧電トランスデューサのそれぞれは、前記機械的な変形を前記それぞれの電圧に変換し、前記複数の圧電トランスデューサのそれぞれは、前記タイヤのビード領域と前記回転可能な構成要素との間に配置される、複数の圧電トランスデューサと、
前記複数の圧電トランスデューサのそれぞれと通信する少なくとも1つのプロセッサであって、前記それぞれの電圧に基づいてそれぞれの温度値を決定するように構成されている少なくとも1つのプロセッサと、
を備え、
前記回転可能な構成要素は前記タイヤに結合され、前記複数の圧電トランスデューサのそれぞれは、前記回転可能な構成要素が回転するときに前記タイヤの前記ビード領域に作用する圧縮力に応答して運動エネルギーを捕らえるように構成され、前記少なくとも1つのプロセッサは、前記複数の圧電トランスデューサによって生成された前記それぞれの電圧に基づいて前記タイヤの平均の側壁温度を決定する、システム。 - 前記それぞれの温度値は前記圧電トランスデューサに接触する前記タイヤの可撓性を有する側壁に関連付けられる、請求項1に記載のシステム。
- 前記少なくとも1つのプロセッサは、前記回転可能な構成要素が取り付けられる車体内に配置されている、請求項1に記載のシステム。
- 前記回転可能な構成要素は、前記タイヤが取り付けられるリムを備え、前記圧電トランスデューサは、前記リムに固定され、導電性ラインを介して前記電圧センサに接続されている、請求項1に記載のシステム。
- 開始温度を測定するステップと、
前記開始温度で回転可能な構成要素を回転させるステップと、
前記回転可能な構成要素の周に沿って配置された複数の圧電トランスデューサからそれぞれの開始電圧値を決定するステップであって、前記複数の圧電トランスデューサのそれぞれが、前記それぞれの圧電トランスデューサの機械的な変形に基づいて電圧を生成するように構成されており、前記複数の圧電トランスデューサのそれぞれは、前記機械的な変形を前記それぞれの電圧に変換し、前記回転可能な構成要素はタイヤに結合され、前記複数の圧電トランスデューサのそれぞれは、前記タイヤのビード領域と前記回転可能な構成要素との間に配置される、ステップと、
前記複数の圧電トランスデューサによって提供された前記それぞれの電圧に基づいて、それぞれの動作電圧値を決定するステップと、
前記それぞれの動作電圧値に基づいて、前記タイヤの側壁の平均の動作温度を決定するステップと、
を含む方法。 - 前記動作温度を含む集約されたセンサデータに基づいてアクションを実行するステップをさらに含む、請求項5に記載の方法。
- 前記動作温度に基づいてタイヤ破断の確率を決定するステップをさらに含む、請求項5に記載の方法。
- 閾値を超える前記タイヤ破断の確率に応じて警報を発するステップをさらに含む、請求項7に記載の方法。
- 前記動作温度を含むセンサデータに適用される統計モデルを使用して、前記閾値として外れ値を決定するステップをさらに含む、請求項8に記載の方法。
- 前記圧電トランスデューサが圧電材料を含む、請求項5に記載の方法。
- 前記回転可能な構成要素が車体に取り付けられる、請求項5に記載の方法。
- 命令が格納されている非一時的なコンピュータ可読媒体であって、
前記命令が、プロセッサによって実行されるときに、デバイスに、以下のステップを含む動作、すなわち
回転可能な構成要素に関連する開始温度を受信するステップと、
前記回転可能な構成要素の周に沿って配置された複数の圧電トランスデューサからそれぞれの開始電圧値を受信するステップであって、前記複数の圧電トランスデューサのそれぞれが、それぞれの圧電トランスデューサの機械的な変形に基づいてそれぞれの電圧を生成するように構成されており、前記複数の圧電トランスデューサのそれぞれは、前記機械的な変形を前記それぞれの電圧に変換し、前記回転可能な構成要素はタイヤに結合され、前記複数の圧電トランスデューサのそれぞれは、前記タイヤのビード領域と前記回転可能な構成要素との間に配置される、ステップと、
前記複数の圧電トランスデューサのそれぞれから前記それぞれの電圧値を受信するステップと、
前記それぞれの電圧に基づいて、それぞれの動作電圧値を決定するステップと、
前記それぞれの動作電圧値、前記開始電圧値及び前記開始温度に基づいて平均の動作温度を決定するステップと、
を含む動作を実行させるものである、非一時的なコンピュータ可読媒体。 - 前記動作は、前記動作電圧値と前記開始電圧値とに基づいて前記開始温度をスケーリングすることにより前記動作温度を決定するステップをさらに含む、請求項12に記載の非一時的なコンピュータ可読媒体。
- 前記動作は、
一定期間にわたって収集された前記動作温度に基づいて履歴動作温度セットを決定するステップと、
前記履歴動作温度セットに基づいてタイヤ破断の確率を決定するステップと
をさらに含む、請求項12に記載の非一時的なコンピュータ可読媒体。 - 前記圧電トランスデューサは、無線接続を介して前記動作電圧値を前記プロセッサに送信するように構成されている、請求項12に記載の非一時的なコンピュータ可読媒体。
- 前記無線接続が車両におけるバスをバイパスする、請求項15に記載の非一時的なコンピュータ可読媒体。
- 前記複数の圧電トランスデューサのそれぞれ1つに結合された複数の導電ピンと、
複数のAC-DCコンバータと、
をさらに備え、
前記複数の導電ピンの各々は、前記複数の圧電トランスデューサのそれぞれから前記複数のAC-DCコンバータのそれぞれに前記それぞれの電圧を伝達するために、前記回転可能な構成要素の壁を通って延在するように構成される、請求項1に記載のシステム。 - 前記複数の圧電トランスデューサのそれぞれから、前記回転可能な構成要素の壁を通って延在するそれぞれの導電ピンを介して、複数のAC-DCコンバータのそれぞれに前記それぞれの電圧を提供するステップをさらに含む、請求項5に記載の方法。
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