JP6844500B2 - 車両の挙動制御装置 - Google Patents
車両の挙動制御装置 Download PDFInfo
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- 230000000087 stabilizing effect Effects 0.000 description 1
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- 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
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17555—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for enhancing driver or passenger comfort, e.g. soft intervention or pre-actuation strategies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/002—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels
- B62D6/003—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels in order to control vehicle yaw movement, i.e. around a vertical axis
- B62D6/005—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels in order to control vehicle yaw movement, i.e. around a vertical axis treating sensor outputs to obtain the actual yaw rate
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- 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
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/02—Control of vehicle driving stability
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18145—Cornering
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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
- B60W40/114—Yaw movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/002—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels
- B62D6/003—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels in order to control vehicle yaw movement, i.e. around a vertical axis
-
- 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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/16—Curve braking control, e.g. turn control within ABS control algorithm
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/20—Conjoint control of vehicle sub-units of different type or different function including control of steering systems
-
- 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
- B60W2040/1323—Moment of inertia of the vehicle body
- B60W2040/1346—Moment of inertia of the vehicle body about the yaw axis
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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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0017—Modal analysis, e.g. for determining system stability
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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
- B60W2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/14—Yaw
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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
- B60W40/12—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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Regulating Braking Force (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Description
車両がアンダーステア状態になると、実ヨーレートの大きさが規範ヨーレートの大きさよりも小さくなる。よって、特許文献1に記載されているような従来の挙動制御装置においては、ヨーレートの偏差の大きさが基準値以上になると、目標ヨーモーメントが達成されるよう旋回内輪に制動力が付与され、目標減速度が達成されるよう左右の車輪に制動力が付与される。
本発明によれば、車両(12)を駆動するための駆動力を発生する駆動装置(14)と、各車輪(16FL〜16RL)に付与される制動力を発生する制動装置(18)と、運転者の駆動操作量に基づいて駆動装置を制御し、運転者の制動操作量に基づいて制動装置を制御するよう構成された制御装置(20、22)と、を有する車両の挙動を制御する車両の挙動制御装置(10)が提供される。
本発明の一つの態様においては、制御装置(20、22)は、第一の車両前後力(Fmy)が第二の車両前後力(Fgx)よりも大きいときには、運転者の駆動操作量に基づく駆動力(Fdr)を発生するように駆動装置(14)を制御し、第一の車両前後力と同一の目標制動力が旋回内側前後輪の少なくとも一方に付与されるように制動装置(18)を制御するよう構成される。
Fmy=|Myt|/(Tr/2) …(1)
Fgx=Mv・Gxt …(2)
Fdrt=Fdr−Fgx+Fmy …(3)
以上の説明から解るように、車両12が制動されていないときには、ステップ10において肯定判別が行われ、ステップ20〜80が実行されることにより、非制動での旋回時の車両の挙動制御が行われる。即ち、ステップ20において、アクセル開度ACCに基づいて運転者要求前後力Fdrが演算され、ステップ30において、車両12の適正な旋回挙動を確保するための車両の目標ヨーモーメントMyt及び車両の目標減速度Gxtが演算される。更に、ステップ40において、それぞれ目標ヨーモーメントMyt及び目標減速度Gxtを達成するために必要な車両の前後力として、換算前後力Fmy及びFgxが演算される。
これは、図6に示されているように、目標ヨーモーメントMytを達成するために必要な車両の前後力である換算前後力Fmyが、目標減速度Gxtを達成するために必要な車両の前後力である換算前後力Fgxよりも大きい場合である。なお、図6及び後述の図7乃至図11において、+は前進方向の駆動力を意味し、−は後進方向の駆動力、即ち制動力を意味する。
これは、図9に示されているように、目標ヨーモーメントMytを達成するために必要な車両の前後力である換算前後力Fmyが、目標減速度Gxtを達成するために必要な車両の前後力である換算前後力Fgx以下である場合である。
Fdrt=Fdr−Fgx+K・Fmy …(4)
Claims (6)
- 車両を駆動するための駆動力を発生する駆動装置と、各車輪に付与される制動力を発生する制動装置と、運転者の駆動操作量に基づいて前記駆動装置を制御し、運転者の制動操作量に基づいて前記制動装置を制御するよう構成された制御装置と、を有する車両の挙動を制御する車両の挙動制御装置において、
前記制御装置は、非制動での旋回時における車両の安定な挙動を確保するために必要な車両の目標ヨーモーメント及び車両の目標減速度を演算し、前記目標ヨーモーメントを達成するために旋回内側前後輪の少なくとも一方に付与される制動力による第一の車両前後力を演算し、前記目標減速度を達成するために必要な第二の車両前後力を演算し、前記第一の車両前後力が前記第二の車両前後力以下であるときには、運転者の駆動操作量に基づく駆動力から前記第二の車両前後力を減算した値に前記第一の車両前後力に基づく補正量を加算した値に等しい目標駆動力を発生するように前記駆動装置を制御し、前記第一の車両前後力と同一の目標制動力が前記旋回内側前後輪の少なくとも一方に付与されるように前記制動装置を制御するよう構成された、車両の挙動制御装置。 - 請求項1に記載の車両の挙動制御装置において、前記制御装置は、前記第一の車両前後力が前記第二の車両前後力よりも大きいときには、運転者の駆動操作量に基づく駆動力を発生するように前記駆動装置を制御し、前記第一の車両前後力と同一の目標制動力が前記旋回内側前後輪の少なくとも一方に付与されるように前記制動装置を制御するよう構成された、車両の挙動制御装置。
- 請求項1に記載の車両の挙動制御装置において、前記目標駆動力は、運転者の駆動操作量に基づく駆動力から前記第二の車両前後力を減算した値に前記第一の車両前後力を加算した値である、車両の挙動制御装置。
- 請求項1乃至3の何れか一つに記載の車両の挙動制御装置において、前記目標制動力が付与される車輪は、前記駆動装置により発生された駆動力が付与される駆動輪のうちの内輪である、車両の挙動制御装置。
- 請求項1乃至4の何れか一つに記載の車両の挙動制御装置において、前記制御装置は、車両の規範ヨーレートと車両の実ヨーレートとの偏差に基づいて前記目標ヨーモーメント及び前記目標減速度を演算するよう構成された、車両の挙動制御装置。
- 請求項1乃至4の何れか一つに記載の車両の挙動制御装置において、前記制御装置は、車両の規範ヨーレートと車両の実ヨーレートとの偏差に基づく第一の目標ヨーモーメントと、車両の横加速度に基づく車両の旋回制御のための第二の目標ヨーモーメントとの和として前記目標ヨーモーメントを演算し、車両の規範ヨーレートと車両の実ヨーレートとの偏差に基づいて前記目標減速度を演算するよう構成された、車両の挙動制御装置。
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JP2017209218A JP6844500B2 (ja) | 2017-10-30 | 2017-10-30 | 車両の挙動制御装置 |
US16/173,097 US10926794B2 (en) | 2017-10-30 | 2018-10-29 | Vehicular behavior control apparatus |
CN201811275478.XA CN109720338B (zh) | 2017-10-30 | 2018-10-30 | 车辆运行状况控制装置 |
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CN110920605B (zh) * | 2018-08-31 | 2021-05-14 | 华为技术有限公司 | 一种车辆控制方法及设备 |
JP6913072B2 (ja) * | 2018-11-29 | 2021-08-04 | 本田技研工業株式会社 | 車両運動制御装置 |
DE102020202462A1 (de) * | 2019-06-12 | 2020-12-17 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Antriebsoptimierung in einem Kraftfahrzeug |
CN110606075B (zh) * | 2019-08-28 | 2021-03-09 | 中国第一汽车股份有限公司 | 分布式四驱电动车的扭矩分配控制方法、系统和车辆 |
JP7287867B2 (ja) * | 2019-08-30 | 2023-06-06 | トヨタ自動車株式会社 | 車載用制御装置 |
JP7287316B2 (ja) * | 2020-03-10 | 2023-06-06 | トヨタ自動車株式会社 | 車両用制駆動力制御装置 |
JP7272330B2 (ja) * | 2020-07-22 | 2023-05-12 | トヨタ自動車株式会社 | 車両制御装置 |
KR20220043983A (ko) * | 2020-09-28 | 2022-04-06 | 현대자동차주식회사 | 차량의 선회 성능 향상 장치 및 방법 |
WO2022109386A1 (en) * | 2020-11-23 | 2022-05-27 | ClearMotion, Inc. | Collaborative control of vehicle systems |
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