CN105473983B - 路面上的短期不平度的检测 - Google Patents
路面上的短期不平度的检测 Download PDFInfo
- Publication number
- CN105473983B CN105473983B CN201580001639.4A CN201580001639A CN105473983B CN 105473983 B CN105473983 B CN 105473983B CN 201580001639 A CN201580001639 A CN 201580001639A CN 105473983 B CN105473983 B CN 105473983B
- Authority
- CN
- China
- Prior art keywords
- sensor
- wheel
- sensor signal
- vehicle
- wheel speed
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/02—Tracing profiles of land surfaces
- G01C7/04—Tracing profiles of land surfaces involving a vehicle which moves along the profile to be traced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Traffic Control Systems (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294866.3A CN111504248A (zh) | 2014-06-09 | 2015-06-09 | 路面上的短期不平度的检测 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014008501.5 | 2014-06-09 | ||
| DE102014008501 | 2014-06-09 | ||
| DE102014008588.0A DE102014008588B4 (de) | 2014-06-10 | 2014-06-10 | Erfassung kurzzeitiger Unregelmässigkeiten in einer Strassenoberfläche |
| DE102014008588.0 | 2014-06-10 | ||
| PCT/EP2015/001158 WO2015188930A1 (en) | 2014-06-09 | 2015-06-09 | Detection of short term irregularities in a road surface |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010294866.3A Division CN111504248A (zh) | 2014-06-09 | 2015-06-09 | 路面上的短期不平度的检测 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105473983A CN105473983A (zh) | 2016-04-06 |
| CN105473983B true CN105473983B (zh) | 2020-05-12 |
Family
ID=53483760
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580001639.4A Active CN105473983B (zh) | 2014-06-09 | 2015-06-09 | 路面上的短期不平度的检测 |
| CN202010294866.3A Pending CN111504248A (zh) | 2014-06-09 | 2015-06-09 | 路面上的短期不平度的检测 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010294866.3A Pending CN111504248A (zh) | 2014-06-09 | 2015-06-09 | 路面上的短期不平度的检测 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10378159B2 (https=) |
| EP (2) | EP3690392B1 (https=) |
| JP (1) | JP6200595B2 (https=) |
| KR (1) | KR101912109B1 (https=) |
| CN (2) | CN105473983B (https=) |
| BR (1) | BR112016003450B1 (https=) |
| ES (1) | ES2909331T3 (https=) |
| WO (1) | WO2015188930A1 (https=) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6343987B2 (ja) * | 2014-03-18 | 2018-06-20 | 富士通株式会社 | 路面劣化検出方法、情報処理装置及びプログラム |
| US9728086B2 (en) * | 2015-05-01 | 2017-08-08 | CVIA Ltd. | System and method for providing bumper alerts |
| DE102015005964A1 (de) * | 2015-05-08 | 2016-11-10 | Man Truck & Bus Ag | Verfahren zur Regelung oder Steuerung der Dämpferkraft verstellbarer Dämpfer in Kraftfahrzeugen, insbesondere in Nutzfahrzeugen |
| US9731744B2 (en) * | 2015-09-04 | 2017-08-15 | Gatekeeper Systems, Inc. | Estimating motion of wheeled carts |
| US9840118B2 (en) * | 2015-12-09 | 2017-12-12 | The Goodyear Tire & Rubber Company | Tire sensor-based robust road surface roughness classification system and method |
| GB2549088A (en) * | 2016-03-31 | 2017-10-11 | Continental Automotive Gmbh | System and method for detecting an off-road travel surface condition for a vehicle |
| CN105922995A (zh) * | 2016-05-13 | 2016-09-07 | 乐视控股(北京)有限公司 | 车辆驾驶模式的切换方法、装置及车辆 |
| WO2018020471A1 (en) * | 2016-07-29 | 2018-02-01 | Ather Energy Pvt. Ltd. | A method and system for determining and transmitting at least one road status |
| DE102016010750B4 (de) * | 2016-09-06 | 2018-07-12 | Nira Dynamics Ab | Schätzung absoluter Radrollradien und Schätzung eines vertikalen Kompressionswerts |
| CN106740858A (zh) * | 2017-01-11 | 2017-05-31 | 临沂高新区鸿图电子有限公司 | 路面状况感应装置和方法及其无人驾驶汽车 |
| JP6858366B2 (ja) * | 2017-01-31 | 2021-04-14 | 鹿島道路株式会社 | 路面評価システム及び評価方法 |
| CN107067492A (zh) * | 2017-04-11 | 2017-08-18 | 怀宁鑫橙信息技术有限公司 | 一种远程快递车车轮振动数据系统 |
| DE102017208384A1 (de) * | 2017-05-18 | 2018-11-22 | Ford Global Technologies, Llc | Verfahren zum Betrieb eines Kraftfahrzeugs mit einem Stauassistenten |
| US20180345979A1 (en) * | 2017-05-31 | 2018-12-06 | GM Global Technology Operations LLC | Road roughness classification |
| US20190066405A1 (en) * | 2017-08-22 | 2019-02-28 | GM Global Technology Operations LLC | Method and system for detecting a road impact event and for diagnosing abnormalities in chassis components |
| DE102018200330A1 (de) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Verfahren zur Ermittlung der aktuellen Fahrbahnrauhigkeit in einem Fahrzeug |
| JP6907965B2 (ja) * | 2018-02-01 | 2021-07-21 | 株式会社Soken | 路面状態判別装置 |
| CN108340922B (zh) * | 2018-02-12 | 2020-06-05 | 北京搜狐新媒体信息技术有限公司 | 确定路面路况的方法和装置 |
| CN110155066B (zh) * | 2018-02-13 | 2022-04-08 | 斑马智行网络(香港)有限公司 | 一种颠簸检测、预警方法、装置、设备及系统 |
| JP6993258B2 (ja) * | 2018-02-15 | 2022-01-13 | トヨタ自動車株式会社 | サーバ装置 |
| DE102018203071A1 (de) * | 2018-03-01 | 2019-09-05 | Ford Global Technologies, Llc | Verfahren zur Bestimmung des International Roughness Index (IRI) einer Fahrbahn |
| EP3546312B1 (en) * | 2018-03-26 | 2025-01-15 | Polestar Performance AB | Method and system for handling conditions of a road on which a vehicle travels |
| JP7017966B2 (ja) * | 2018-03-28 | 2022-02-09 | パイオニア株式会社 | 解析装置、解析方法、プログラム、及び記憶媒体 |
| KR102537873B1 (ko) * | 2018-05-08 | 2023-05-30 | 현대자동차주식회사 | 노면 정보를 이용한 차량의 전자제어 서스펜션 제어시스템 및 그를 이용한 제어방법 |
| US10909866B2 (en) * | 2018-07-20 | 2021-02-02 | Cybernet Systems Corp. | Autonomous transportation system and methods |
| CN109186528B (zh) * | 2018-09-20 | 2021-03-30 | 长安大学 | 一种基于手机测得的加速度确定国际平整度指数的理论方法 |
| CN109683173B (zh) * | 2018-11-27 | 2022-12-09 | 惠州市德赛西威汽车电子股份有限公司 | 一种实时检测路面平整度的方法和系统 |
| DK180407B1 (en) * | 2019-01-28 | 2021-04-21 | Motional Ad Llc | Detecting road anomalies |
| DE112020001663T5 (de) * | 2019-03-29 | 2022-03-24 | Intel Corporation | Autonomes Fahrzeugsystem |
| IT201900006614A1 (it) * | 2019-05-07 | 2020-11-07 | Bridgestone Europe Nv Sa | Metodo e sistema per il riconoscimento delle irregolarita' di una pavimentazione stradale |
| IT201900006613A1 (it) * | 2019-05-07 | 2020-11-07 | Bridgestone Europe Nv Sa | Metodo e sistema per il riconoscimento delle irregolarita' di una pavimentazione stradale |
| AT522741B1 (de) * | 2019-07-05 | 2024-06-15 | Avl List Gmbh | Verfahren zur beurteilung der fahrbarkeit von fahrzeugen |
| CN110608704B (zh) * | 2019-09-10 | 2024-07-12 | 广州珠江黄埔大桥建设有限公司 | 车辙轮廓检测装置及方法 |
| US11483675B2 (en) * | 2019-10-10 | 2022-10-25 | Microchip Technology Incorporated | Vibration-based tracking system |
| WO2021094073A1 (en) | 2019-11-15 | 2021-05-20 | Pirelli Tyre S.P.A. | Method and system for estimating a vehicle body motion during the running of a vehicle along a road segment |
| IT201900021270A1 (it) | 2019-11-15 | 2021-05-15 | Pirelli | Metodo e sistema per stimare un parametro di disuniformitá di un segmento stradale |
| KR102727133B1 (ko) * | 2019-12-13 | 2024-11-07 | 현대자동차주식회사 | 전자제어현가장치 제어 방법 및 장치 |
| US20210191413A1 (en) * | 2019-12-18 | 2021-06-24 | Caterpillar Paving Products Inc. | Machine Sunk Detection System and Method |
| DE102020106642B4 (de) | 2020-03-11 | 2022-12-22 | Ford Global Technologies, Llc | Verfahren zum Steuern einer vertikalen Schwingungsdämpfung mindestens eines Rades eines Fahrzeugs und Fahrzeug mit vertikaler Schwingungsdämpfung mindestens eines Rades |
| EP4117981B1 (en) * | 2020-03-12 | 2025-01-22 | Hella Gmbh & Co. Kgaa | System for determining a condition of a road and/or at least one component of a chassis system of a vehicle |
| DE102020206221A1 (de) * | 2020-05-18 | 2021-11-18 | Zf Friedrichshafen Ag | Verfahren zum Erfassen von Fahrbahnbelastungen |
| EP4178817A4 (en) | 2020-07-10 | 2024-09-11 | Clearmotion, Inc. | Integrated vehicle braking system |
| KR102764282B1 (ko) * | 2020-07-30 | 2025-02-07 | 현대자동차주식회사 | 차량 서스펜션 제어 장치 및 방법 |
| CN112766306B (zh) * | 2020-12-26 | 2023-06-27 | 浙江天行健智能科技有限公司 | 一种基于svm算法的减速带区域识别方法 |
| FR3120687B1 (fr) * | 2021-03-09 | 2023-01-27 | Continental Automotive | Détection d’une anomalie de géométrie d’une roue de véhicule |
| JP7614938B2 (ja) * | 2021-05-11 | 2025-01-16 | 日立Astemo株式会社 | サスペンション制御装置、およびサスペンション制御方法 |
| CN113295137A (zh) * | 2021-05-21 | 2021-08-24 | 吉林大学 | 一种基于车辆轮速波动的道路不平度识别方法 |
| CN114575225B (zh) * | 2021-06-28 | 2023-10-27 | 长城汽车股份有限公司 | 搓板路面识别方法、装置、介质和控制器 |
| IT202100019016A1 (it) * | 2021-07-19 | 2023-01-19 | Bridgestone Europe Nv Sa | Metodo e sistema per rilevare e localizzare ostacoli/elementi sulla pavimentazione stradale che sono pericolosi o potenzialmente pericolosi per l'integrita' degli pneumatici e/o dei veicoli |
| CN113525387B (zh) * | 2021-08-31 | 2022-09-13 | 招商局公路信息技术(重庆)有限公司 | 一种基于轮胎动态胎压的路面服务质量检测方法及系统 |
| CN115723764B (zh) * | 2021-08-31 | 2024-10-29 | 比亚迪股份有限公司 | 路面不平度识别方法、装置及车辆 |
| WO2023076155A1 (en) * | 2021-10-25 | 2023-05-04 | ClearMotion, Inc. | Using reference road segments to calibrate the response of vehicle sensor systems |
| CN113954845A (zh) * | 2021-12-01 | 2022-01-21 | 宜宾凯翼汽车有限公司 | 颠簸道路识别控制方法、系统及汽车 |
| CN114312739A (zh) * | 2022-01-06 | 2022-04-12 | 重庆美沣秦安汽车驱动系统有限公司 | 路面识别降噪方法和混合动力汽车 |
| CN114512002B (zh) * | 2022-01-28 | 2023-02-21 | 海信集团控股股份有限公司 | 一种道路路面异常检测方法及装置 |
| US20230417572A1 (en) * | 2022-06-24 | 2023-12-28 | Gm Cruise Holdings Llc | Mapping Road Conditions in an Environment |
| EP4328618A1 (en) * | 2022-08-22 | 2024-02-28 | Tusimple, Inc. | Rear mounted radar for autonomous vehicles |
| CN115848401B (zh) * | 2022-12-22 | 2026-03-10 | 奇瑞汽车股份有限公司 | 一种驾驶安全辅助控制方法、装置、存储介质及设备 |
| US12479417B2 (en) * | 2023-05-17 | 2025-11-25 | GM Global Technology Operations LLC | System and method for tire blowout detection using wheel speeds |
| CN117107597B (zh) * | 2023-08-02 | 2026-03-17 | 浙江吉利控股集团有限公司 | 路面测量方法、装置、电子设备及存储介质 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422322A (en) * | 1982-04-27 | 1983-12-27 | Spangler Elson B | Method and system for measurement of road profile |
| CN1053954A (zh) * | 1990-02-06 | 1991-08-21 | 吉林工业大学 | 软路面不平度测量装置 |
| CN2938028Y (zh) * | 2006-06-13 | 2007-08-22 | 武汉武大卓越科技有限责任公司 | 路面平整度测量装置 |
| DE102008054476A1 (de) * | 2008-12-10 | 2010-06-17 | Zf Friedrichshafen Ag | Verfahren zur Ermittlung des Fahrbahnzustands eines von einem Kraftfahrzeug befahrenen Streckenabschnitts |
| DE19549083B4 (de) * | 1995-12-29 | 2010-06-17 | Robert Bosch Gmbh | Sicherheitssystem |
| CN102607505A (zh) * | 2012-03-23 | 2012-07-25 | 中国科学院深圳先进技术研究院 | 道路平整度检测方法及系统 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60596A (ja) * | 1983-06-16 | 1985-01-05 | 株式会社デンソー | 路面状態識別装置 |
| DE3930517A1 (de) * | 1989-06-29 | 1991-01-10 | Bosch Gmbh Robert | Vorrichtung zur fahrbahnabhaengigen fahrwerksregelung |
| JPH07195924A (ja) * | 1993-12-29 | 1995-08-01 | Zexel Corp | 車輪の接地状態判定方法 |
| JPH0920223A (ja) * | 1995-07-07 | 1997-01-21 | Nippondenso Co Ltd | 路面状態識別装置 |
| JPH1056488A (ja) * | 1996-08-07 | 1998-02-24 | Mitsubishi Electric Corp | 周波数偏差検出器及びそれを用いた自動周波数制御回路 |
| JP2002012138A (ja) * | 2000-06-29 | 2002-01-15 | Toyota Motor Corp | 路面の凹凸状態検出装置 |
| US6682261B1 (en) * | 2001-10-23 | 2004-01-27 | Steven M. Karamihas | Method for correcting the roughness of pavement |
| US7415872B2 (en) * | 2006-10-09 | 2008-08-26 | Chrysler Llc | Method and code for determining characteristic of road surface beneath moving vehicle |
| JP5226437B2 (ja) * | 2008-09-09 | 2013-07-03 | 国立大学法人北見工業大学 | 路面平坦性測定装置 |
| DE112009005342B4 (de) | 2009-11-04 | 2019-06-27 | Nira Dynamics Ab | Klassifikation der Straßenoberfläche |
| JP5493089B2 (ja) * | 2010-09-14 | 2014-05-14 | ニューブレクス株式会社 | 分布型光ファイバセンサ |
| TW201231762A (en) * | 2011-01-27 | 2012-08-01 | Hon Hai Prec Ind Co Ltd | Flatness counting system and method for road surface |
| US8538667B2 (en) * | 2011-07-28 | 2013-09-17 | International Business Machines Corporation | Evaluating road conditions using a mobile vehicle |
| JP6021309B2 (ja) * | 2011-10-05 | 2016-11-09 | 鹿島道路株式会社 | 路面凹凸評価システム |
| KR20130063811A (ko) * | 2011-12-07 | 2013-06-17 | 자동차부품연구원 | 노면 거칠기 측정장치 및 그의 신호처리방법 그리고 그를 이용한 시스템 |
| JP5776546B2 (ja) * | 2011-12-28 | 2015-09-09 | 富士通株式会社 | 路面調査プログラム及び路面調査装置 |
| DE102012219631A1 (de) * | 2012-10-26 | 2014-04-30 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Detektieren von zumindest einer Fahrbahnunebenheit |
| US9869064B2 (en) * | 2013-04-18 | 2018-01-16 | West Nippon Expressway Engineering Shikoku Company Limited | Device for inspecting shape of road travel surface |
-
2015
- 2015-06-09 CN CN201580001639.4A patent/CN105473983B/zh active Active
- 2015-06-09 EP EP20157658.4A patent/EP3690392B1/en active Active
- 2015-06-09 JP JP2016535508A patent/JP6200595B2/ja active Active
- 2015-06-09 EP EP15001709.3A patent/EP2955479B1/en active Active
- 2015-06-09 CN CN202010294866.3A patent/CN111504248A/zh active Pending
- 2015-06-09 KR KR1020167004584A patent/KR101912109B1/ko active Active
- 2015-06-09 US US14/913,684 patent/US10378159B2/en active Active
- 2015-06-09 WO PCT/EP2015/001158 patent/WO2015188930A1/en not_active Ceased
- 2015-06-09 ES ES20157658T patent/ES2909331T3/es active Active
- 2015-06-09 BR BR112016003450-3A patent/BR112016003450B1/pt active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422322A (en) * | 1982-04-27 | 1983-12-27 | Spangler Elson B | Method and system for measurement of road profile |
| CN1053954A (zh) * | 1990-02-06 | 1991-08-21 | 吉林工业大学 | 软路面不平度测量装置 |
| DE19549083B4 (de) * | 1995-12-29 | 2010-06-17 | Robert Bosch Gmbh | Sicherheitssystem |
| CN2938028Y (zh) * | 2006-06-13 | 2007-08-22 | 武汉武大卓越科技有限责任公司 | 路面平整度测量装置 |
| DE102008054476A1 (de) * | 2008-12-10 | 2010-06-17 | Zf Friedrichshafen Ag | Verfahren zur Ermittlung des Fahrbahnzustands eines von einem Kraftfahrzeug befahrenen Streckenabschnitts |
| CN102607505A (zh) * | 2012-03-23 | 2012-07-25 | 中国科学院深圳先进技术研究院 | 道路平整度检测方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2909331T3 (es) | 2022-05-06 |
| JP2016536596A (ja) | 2016-11-24 |
| EP2955479B1 (en) | 2020-02-19 |
| EP3690392A1 (en) | 2020-08-05 |
| KR101912109B1 (ko) | 2018-10-26 |
| KR20160037957A (ko) | 2016-04-06 |
| EP2955479A1 (en) | 2015-12-16 |
| JP6200595B2 (ja) | 2017-09-20 |
| WO2015188930A1 (en) | 2015-12-17 |
| CN105473983A (zh) | 2016-04-06 |
| BR112016003450A2 (https=) | 2017-08-01 |
| US20160201277A1 (en) | 2016-07-14 |
| US10378159B2 (en) | 2019-08-13 |
| CN111504248A (zh) | 2020-08-07 |
| EP3690392B1 (en) | 2021-11-10 |
| BR112016003450B1 (pt) | 2022-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105473983B (zh) | 路面上的短期不平度的检测 | |
| US10703406B2 (en) | Method and system for determining road properties in a vehicle | |
| DE102014008588B4 (de) | Erfassung kurzzeitiger Unregelmässigkeiten in einer Strassenoberfläche | |
| CN102381312B (zh) | 用于分析车辆的底盘的状态的方法以及装置 | |
| KR101475578B1 (ko) | 타이어 상태 판정 장치 | |
| US9669839B2 (en) | Method and device for detecting the road condition for a vehicle | |
| US11530932B2 (en) | Method of characterizing the condition of a road | |
| JP7037736B2 (ja) | 路面情報収集システム | |
| US20240353225A1 (en) | Method and device for determining and characterizing road unevenness | |
| CN104442827A (zh) | 基于智能手机的路面坑洞探测方法 | |
| JP2018205970A (ja) | 路面情報収集システム | |
| JP7335317B2 (ja) | 路面評価装置 | |
| WO2018020471A1 (en) | A method and system for determining and transmitting at least one road status | |
| CN113795415A (zh) | 用于识别道路路面的凹凸的方法和系统 | |
| JP5838577B2 (ja) | 走行評価装置 | |
| JP2019113940A (ja) | タイヤチェーン装着判定装置 | |
| JP2018205972A (ja) | 路面情報収集システム | |
| JP6637143B1 (ja) | 情報提供システム、情報提供方法、及びコンピュータプログラム | |
| CN107848359A (zh) | 用于估算由陆地车辆取道的行驶路线的状态指数的装置 | |
| WO2022059636A1 (ja) | 路面評価装置および路面評価方法 | |
| CN119821433A (zh) | 一种车辆行驶预警方法和装置 | |
| JP2018049521A (ja) | メンテナンス情報管理装置、メンテナンス情報管理方法、及びプログラム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |