JP2024518322A - 道路セグメントの国際ラフネス指数を推定する方法及び関連システム - Google Patents

道路セグメントの国際ラフネス指数を推定する方法及び関連システム Download PDF

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Publication number
JP2024518322A
JP2024518322A JP2023565570A JP2023565570A JP2024518322A JP 2024518322 A JP2024518322 A JP 2024518322A JP 2023565570 A JP2023565570 A JP 2023565570A JP 2023565570 A JP2023565570 A JP 2023565570A JP 2024518322 A JP2024518322 A JP 2024518322A
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JP
Japan
Prior art keywords
vehicle
vertical acceleration
profile
roughness index
road
Prior art date
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Pending
Application number
JP2023565570A
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English (en)
Japanese (ja)
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JP2024518322A5 (enExample
Inventor
アレバ ロレンツォ
ボルドリーニ アレッサンドロ
マッシミラ マンフレディ
ニコロシ ヴィットリオ
イアナンチュオノ アルベルト
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Europe NV SA
Original Assignee
Bridgestone Europe NV SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bridgestone Europe NV SA filed Critical Bridgestone Europe NV SA
Publication of JP2024518322A publication Critical patent/JP2024518322A/ja
Publication of JP2024518322A5 publication Critical patent/JP2024518322A5/ja
Pending legal-status Critical Current

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
    • B60W40/02—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 related to ambient conditions
    • B60W40/06—Road conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/17—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
    • B60T2210/10—Detection or estimation of road conditions
    • B60T2210/14—Rough roads, bad roads, gravel roads
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/22—Suspension systems
    • B60W2510/222—Stiffness
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/22—Suspension systems
    • B60W2510/225—Damping
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/35—Road bumpiness, e.g. potholes
    • 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
    • B60W2554/00—Input parameters relating to objects
    • B60W2554/40—Dynamic objects, e.g. animals, windblown objects
    • B60W2554/404—Characteristics
    • B60W2554/4042—Longitudinal speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Road Repair (AREA)
  • Tires In General (AREA)
JP2023565570A 2021-04-26 2022-04-26 道路セグメントの国際ラフネス指数を推定する方法及び関連システム Pending JP2024518322A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102021000010496 2021-04-26
IT102021000010496A IT202100010496A1 (it) 2021-04-26 2021-04-26 Metodo e relativo sistema di stima dell'indice di rugosita' internazionale di un segmento stradale
PCT/EP2022/061044 WO2022229180A1 (en) 2021-04-26 2022-04-26 Method and related system for estimating the international roughness index of a road segment

Publications (2)

Publication Number Publication Date
JP2024518322A true JP2024518322A (ja) 2024-05-01
JP2024518322A5 JP2024518322A5 (enExample) 2025-02-04

Family

ID=76808072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023565570A Pending JP2024518322A (ja) 2021-04-26 2022-04-26 道路セグメントの国際ラフネス指数を推定する方法及び関連システム

Country Status (6)

Country Link
US (1) US12434711B2 (enExample)
EP (1) EP4330092B1 (enExample)
JP (1) JP2024518322A (enExample)
CN (1) CN117203105A (enExample)
IT (1) IT202100010496A1 (enExample)
WO (1) WO2022229180A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12158354B2 (en) * 2021-12-14 2024-12-03 GM Global Technology Operations LLC Connected vehicle-based road surface quality determination
CN118124588B (zh) * 2024-02-26 2025-11-04 江铃汽车股份有限公司 一种路面强度信息采集方法、装置、存储介质及车辆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005315675A (ja) * 2004-04-28 2005-11-10 Japan Science & Technology Agency 路面平坦性測定装置
US20200406925A1 (en) * 2016-12-30 2020-12-31 Yuchuan DU Comfort-based self-driving planning method
JP2021056245A (ja) * 2020-12-25 2021-04-08 株式会社共和電業 路面平坦性計測装置、路面平坦性計測システム、方法、および、プログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012162241A2 (en) * 2011-05-20 2012-11-29 Northeastern University Real-time wireless dynamic tire pressure sensor and energy harvesting system
US9702349B2 (en) * 2013-03-15 2017-07-11 ClearMotion, Inc. Active vehicle suspension system
US9840118B2 (en) * 2015-12-09 2017-12-12 The Goodyear Tire & Rubber Company Tire sensor-based robust road surface roughness classification system and method
CN107599778B (zh) * 2017-07-31 2020-09-25 江苏大学 一种电磁混合悬架的控制方法
US11801726B2 (en) * 2018-11-01 2023-10-31 ClearMotion, Inc. Vehicle control based on localization and road data
CN110001336B (zh) * 2019-03-12 2021-11-23 江苏大学 一种基于add正实网络优化的车辆isd悬架一阶理想模型
IT201900006613A1 (it) 2019-05-07 2020-11-07 Bridgestone Europe Nv Sa Metodo e sistema per il riconoscimento delle irregolarita' di una pavimentazione stradale
US20240185646A1 (en) * 2021-03-30 2024-06-06 Bridgestone Europe NV/SA [BE/BE] International roughness index estimation method and system
WO2022215003A1 (en) * 2021-04-09 2022-10-13 Way Assauto Srl Method for controlling variable damping suspensions
KR20230000030A (ko) * 2021-06-23 2023-01-02 현대자동차주식회사 차량의 운전 보조 시스템

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005315675A (ja) * 2004-04-28 2005-11-10 Japan Science & Technology Agency 路面平坦性測定装置
US20200406925A1 (en) * 2016-12-30 2020-12-31 Yuchuan DU Comfort-based self-driving planning method
JP2021056245A (ja) * 2020-12-25 2021-04-08 株式会社共和電業 路面平坦性計測装置、路面平坦性計測システム、方法、および、プログラム

Also Published As

Publication number Publication date
US12434711B2 (en) 2025-10-07
EP4330092B1 (en) 2026-02-25
US20240208511A1 (en) 2024-06-27
WO2022229180A1 (en) 2022-11-03
EP4330092A1 (en) 2024-03-06
IT202100010496A1 (it) 2022-10-26
CN117203105A (zh) 2023-12-08

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