JP7646860B2 - 車両及びその荷重分布の識別方法、装置並びに媒体、電子機器 - Google Patents
車両及びその荷重分布の識別方法、装置並びに媒体、電子機器 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60W40/12—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 parameters of the vehicle itself, e.g. tyre models
- B60W40/13—Load or weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
- B60G17/0182—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method involving parameter estimation, e.g. observer, Kalman filter
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- 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
- B60W40/10—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 vehicle motion
- B60W40/105—Speed
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- 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
- B60W40/10—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 vehicle motion
- B60W40/107—Longitudinal acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60W40/10—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 vehicle motion
- B60W40/11—Pitch movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
- B60G2400/0512—Pitch angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
- B60G2400/106—Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/20—Speed
- B60G2400/204—Vehicle speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/30—Propulsion unit conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/60—Load
- B60G2400/61—Load distribution
-
- 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
- B60W40/12—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 parameters of the vehicle itself, e.g. tyre models
- B60W40/13—Load or weight
- B60W2040/1307—Load distribution on each wheel suspension
-
- 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
- B60W40/12—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 parameters of the vehicle itself, e.g. tyre models
- B60W40/13—Load or weight
- B60W2040/1315—Location of the centre of gravity
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
- B60W2520/105—Longitudinal acceleration
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/16—Pitch
-
- 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
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/10—Weight
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
- General Factory Administration (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Description
ここで、θは前記実際のピッチ角であり、Lは前記軸間距離であり、k1、k2はそれぞれ前記フロントサスペンションの剛性、前記リアサスペンションの剛性であり、F1、F2はそれぞれ前記車両の前車軸荷重、後車軸荷重である。
as=avcosθ+gsinα
上記式は、as=av+gi+gθと近似できる。
Ft=Fw+Ff+mgi+δmav
ここで、Ftは駆動力であり、Fwは空気抵抗であり、Ffは転がり抵抗であり、mは車両の質量であり、gは重力加速度であり、iは勾配であり、δは回転質量換算係数である。より高いギアポジション(より小さい変速比)では、回転質量換算係数が1に近づく。このとき、自動車の縦方向の動力学方程式は、以下のように簡略化される。
Ft=Fw+Ff+m(av+gi)
Ft=Fw+Ff+m(as-gθ)
Ft=Fw+Ff+mgθ
ここで、θ0は基準ピッチ角であり、記憶モジュール40から得られ、mは車両の質量であり、gは重力加速度である。
ここで、θ0は基準ピッチ角であり、記憶モジュール40から得られ、mは車両の質量であり、gは重力加速度である。
ここで、θは実際のピッチ角であり、Lは軸間距離であり、k1、k2はそれぞれフロントサスペンションの剛性、リアサスペンションの剛性であり、F1、F2はそれぞれ車両の前車軸荷重、後車軸荷重である。
ここで、θは実際のピッチ角であり、Lは軸間距離であり、k1、k2はそれぞれフロントサスペンションの剛性、リアサスペンションの剛性であり、F1、F2はそれぞれ車両の前車軸荷重、後車軸荷重である。
Claims (10)
- コンピュータが行う、車両の荷重分布の識別方法であって、
前記車両の車速及び縦方向の加速度を取得するステップと、
前記縦方向の加速度が加速度閾値よりも小さい場合、前記車両の実際の駆動力を取得するステップと、
前記実際の駆動力と前記車速に基づいて、前記車両の実際のピッチ角を得るステップと、
前記実際のピッチ角に基づいて、前記車両の荷重分布状況を得るステップと、を含む、ことを特徴とする車両の荷重分布の識別方法。 - 前記実際の駆動力と前記車速に基づいて、前記車両の実際のピッチ角を得るステップは、
前記車速に基づいて、前記車速に対応する基準駆動力を得て、基準ピッチ角を取得するステップと、
前記実際の駆動力、前記基準駆動力及び前記基準ピッチ角に基づいて、前記実際のピッチ角を得るステップと、
を含む、
ことを特徴とする請求項1に記載の車両の荷重分布の識別方法。 - 前記実際の駆動力、前記基準駆動力及び前記基準ピッチ角に基づいて、前記実際のピッチ角を得るステップは、
前記基準駆動力と前記実際の駆動力との第1差分値を算出するステップと、
前記車両の質量を取得して、前記第1差分値と前記質量との第1比率を算出するステップと、
前記第1比率と前記基準ピッチ角とを加算して、前記実際のピッチ角を得るステップと、
を含む、
ことを特徴とする請求項2に記載の車両の荷重分布の識別方法。 - 前記実際の駆動力、前記基準駆動力及び前記基準ピッチ角に基づいて、前記実際のピッチ角を得るステップは、
複数の前記実際の駆動力の平均値を算出し、平均駆動力を得るステップと、
前記基準駆動力と前記平均駆動力との第2差分値を算出するステップと、
前記車両の質量を取得して、前記第2差分値と前記質量との第2比率を算出するステップと、
前記第2比率と前記基準ピッチ角とを加算して、前記実際のピッチ角を得るステップと、
を含む、
ことを特徴とする請求項2に記載の車両の荷重分布の識別方法。 - 前記実際のピッチ角に基づいて、前記車両の荷重分布状況を得るステップは、
前記車両の軸間距離、フロントサスペンションの剛性、リアサスペンションの剛性を取得するステップと、
前記実際のピッチ角、前記軸間距離、前記フロントサスペンションの剛性、前記リアサスペンションの剛性に基づいて、前記車両の荷重分布状況を算出するステップと、
を含む、
ことを特徴とする請求項1に記載の車両の荷重分布の識別方法。 - 前記車両の荷重分布状況は、下記式を満たすように算出され、
ここで、θは前記実際のピッチ角であり、Lは前記軸間距離であり、k1、k2はそれぞれ前記フロントサスペンションの剛性、前記リアサスペンションの剛性であり、F1、F2はそれぞれ前記車両の前車軸荷重、後車軸荷重である、請求項5に記載の車両の荷重分布の識別方法。 - 車両の車速及び縦方向の加速度を取得する第1取得モジュールと、
前記縦方向の加速度が加速度閾値よりも小さい場合、前記車両の実際の駆動力を取得する第2取得モジュールと、
前記実際の駆動力と前記車速に基づいて、前記車両の実際のピッチ角を得る算出モジュールと、
前記実際のピッチ角に基づいて、前記車両の荷重分布状況を得る識別モジュールと、を含む、ことを特徴とする車両の荷重分布の識別装置。 - コンピュータプログラムが記憶されているコンピュータ可読記憶媒体であって、前記コンピュータプログラムがプロセッサによって実行されると、請求項1~6のいずれか一項に記載の車両の荷重分布の識別方法を実現する、ことを特徴とするコンピュータ可読記憶媒体。
- コンピュータプログラムが記憶されているメモリとプロセッサとを含む電子機器であって、前記コンピュータプログラムがプロセッサによって実行されると、請求項1~6のいずれか一項に記載の車両の荷重分布の識別方法を実現する、ことを特徴とする電子機器。
- 請求項7に記載の車両の荷重分布の識別装置、又は、請求項9に記載の電子機器を含む、ことを特徴とする車両。
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| CN202110687601.4A CN115571142B (zh) | 2021-06-21 | 2021-06-21 | 车辆及其载荷分布的识别方法、装置以及介质、电子设备 |
| CN202110687601.4 | 2021-06-21 | ||
| PCT/CN2022/096177 WO2022267840A1 (zh) | 2021-06-21 | 2022-05-31 | 车辆及其载荷分布的识别方法、装置以及介质、电子设备 |
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| JP2023068985A (ja) * | 2021-11-04 | 2023-05-18 | ヤマハ発動機株式会社 | 車両 |
| US20240182043A1 (en) * | 2022-12-06 | 2024-06-06 | Steering Solutions Ip Holding Corporation | System and method for onboard vehicle center of gravity and moment of inertia estimation |
| CN116394691B (zh) * | 2023-04-23 | 2024-02-06 | 小米汽车科技有限公司 | 拖车控制方法、装置及车辆 |
| CN116518914A (zh) * | 2023-04-28 | 2023-08-01 | 中国第一汽车股份有限公司 | 一种车辆单目测距方法、装置、电子设备及存储介质 |
| CN116901637B (zh) * | 2023-08-17 | 2026-03-24 | 智己汽车科技有限公司 | 一种基于cdc减振器的俯仰梯度获取方法及装置 |
| CN119197946B (zh) * | 2024-09-02 | 2025-12-19 | 东风汽车集团股份有限公司 | 刚度一致性检测方法、装置、设备、存储介质及产品 |
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| CN103419777A (zh) | 2012-07-11 | 2013-12-04 | 上海理工大学 | 一种改善车道跟踪与操控稳定性能的设计方法 |
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| DE19814357A1 (de) * | 1998-03-31 | 1999-10-07 | Maha Gmbh & Co Kg | Meßgerät zur Fahrzeugdiagnose |
| US9454508B2 (en) * | 2012-08-31 | 2016-09-27 | Ford Global Technologies, Llc | Kinematic road gradient estimation |
| US9222854B2 (en) * | 2013-03-12 | 2015-12-29 | The Goodyear Tire & Rubber Company | Vehicle dynamic load estimation system and method |
| CN104061899B (zh) * | 2014-06-20 | 2016-03-30 | 东南大学 | 一种基于卡尔曼滤波的车辆侧倾角与俯仰角估计方法 |
| DE102014011844B4 (de) * | 2014-08-08 | 2019-05-09 | Audi Ag | Luftdruckbasierte Korrektur einer Berechnung einer fahrzeugseitig gemessenen Längsbeschleunigung |
| JP6233608B2 (ja) * | 2015-10-13 | 2017-11-22 | トヨタ自動車株式会社 | 車両の駆動力制御装置 |
| US10274360B2 (en) * | 2016-11-01 | 2019-04-30 | Hall Labs Llc | Mobile device vehicle weight determination |
| JP2019113373A (ja) * | 2017-12-22 | 2019-07-11 | 住友ゴム工業株式会社 | 輪荷重推定装置 |
| CN112249025B (zh) * | 2020-10-29 | 2022-04-08 | 华人运通(上海)云计算科技有限公司 | 车辆行驶道路纵向坡度的识别方法、装置、设备及介质 |
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| CN103419777A (zh) | 2012-07-11 | 2013-12-04 | 上海理工大学 | 一种改善车道跟踪与操控稳定性能的设计方法 |
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| WO2022267840A1 (zh) | 2022-12-29 |
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| EP4299398A4 (en) | 2024-08-28 |
| AU2022296455A1 (en) | 2023-10-12 |
| CN115571142A (zh) | 2023-01-06 |
| EP4299398A1 (en) | 2024-01-03 |
| KR20230147179A (ko) | 2023-10-20 |
| EP4299398B1 (en) | 2025-10-22 |
| BR112023022032A2 (pt) | 2024-01-02 |
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| US20240017729A1 (en) | 2024-01-18 |
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