JP7458429B2 - 経路生成装置 - Google Patents
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- 238000009795 derivation Methods 0.000 claims description 47
- 238000004364 calculation method Methods 0.000 claims description 16
- 238000012888 cubic function Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
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- 238000012886 linear function Methods 0.000 description 1
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- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
-
- 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
- B60W30/10—Path keeping
- B60W30/12—Lane keeping
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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
-
- 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
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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
- B60W40/02—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
- B60W40/072—Curvature of the road
-
- 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
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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
- B60W60/00—Drive control systems specially adapted for autonomous road vehicles
- B60W60/001—Planning or execution of driving tasks
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0214—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory in accordance with safety or protection criteria, e.g. avoiding hazardous areas
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0238—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors
- G05D1/024—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors in combination with a laser
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0246—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using a video camera in combination with image processing means
- G05D1/0253—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using a video camera in combination with image processing means extracting relative motion information from a plurality of images taken successively, e.g. visual odometry, optical flow
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
-
- 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
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/403—Image sensing, e.g. optical camera
-
- 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
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/408—Radar; Laser, e.g. lidar
-
- 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
- B60W2520/14—Yaw
-
- 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
- B60W2552/30—Road curve radius
-
- 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
- B60W2552/53—Road markings, e.g. lane marker or crosswalk
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Atmospheric Sciences (AREA)
- Human Computer Interaction (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Multimedia (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Description
F1L(X)=C3LX3+C2LX2+C1LX+C0L ・・・(i)
F1R(X)=C3RX3+C2RX2+C1RX+C0R ・・・(ii)
F1(X)=C3X3+C2X2+C1X+C0 ・・・(iii)
C3=(C3L+C3R)/2,C2=(C2L+C2R)/2,
C1=(C1L+C1R)/2,C0=(C0L+C0R)/2
Xp=Vtp ・・・(iv)
R={1+(3C3Xp 2+2C2Xp+C1)2}1.5/(6C3Xp+2C2) ・・・(v)
Yp=F1(Xp)=C3Xp 3+C2Xp 2+C1Xp+C0 ・・・(vi)
F2(X)=C3X3+C2(^)X2 ・・・(vii)
C2(^)=(Yp+ΔY-C3Xp 3)/Xp 2
(1)装置100は、車両1が走行する走行車線2を認識する車線認識部11と、車線認識部11により認識された走行車線2の中央を通る走行経路を表す第1関数F1(X)を導出する第1導出部12と、車線認識部11により認識された走行車線2の曲率半径Rを算出する曲率半径算出部13と、曲率半径算出部13により算出された曲率半径Rに基づいて、走行車線2の中央から旋回方向内側へのオフセット量ΔYを決定するオフセット決定部15と、第1導出部12により導出された第1関数F1(X)と、オフセット決定部15により決定されたオフセット量ΔYとに基づいて、オフセット後の車両1の目標走行経路を表す第2関数F2(X)を導出する第2導出部16とを備える(図2)。
Claims (4)
- 車両が走行する走行車線を認識する車線認識部と、
前記車線認識部により認識された走行車線の中央を通る走行経路を表す第1関数を導出する第1導出部と、
前記車線認識部により認識された走行車線の曲率半径を算出する曲率半径算出部と、
前記曲率半径算出部により算出された曲率半径に基づいて、前記走行車線の中央から旋回方向内側へのオフセット量を決定するオフセット決定部と、
前記第1導出部により導出された第1関数と、前記オフセット決定部により決定された前記オフセット量と、に基づいて、オフセット後の前記車両の目標走行経路を表す第2関数を導出する第2導出部と、を備え、
前記第1関数および前記第2関数は、前記車両の進行方向をX軸、車幅方向をY軸とする3次関数であり、
前記第2導出部は、前記第1導出部により導出された前記第1関数の3次の項の係数を前記第2関数の3次の項の係数、前記第2関数の1次の項の係数および定数項を0として、前記オフセット決定部により決定された前記オフセット量に基づいて前記第2関数の2次の項の係数を導出することを特徴とする経路生成装置。 - 請求項1に記載の経路生成装置において、
前記第1導出部および前記第2導出部は、前記車線認識部による認識結果に基づいて前記走行車線に対する前記車両の進行方向を特定し、特定された前記車両の進行方向を前記X軸として前記第1関数および前記第2関数をそれぞれ導出することを特徴とする経路生成装置。 - 請求項1または2に記載の経路生成装置において、
前記車両に搭載され、前記車両の重心の鉛直軸回りの回転角速度を検出するヨーレートセンサをさらに備え、
前記第1導出部および前記第2導出部は、前記ヨーレートセンサによる検出結果に基づいて前記走行車線に対する前記車両の進行方向を特定し、特定された前記車両の進行方向を前記X軸として前記第1関数および前記第2関数をそれぞれ導出することを特徴とする経路生成装置。 - 請求項1~3のいずれか1項に記載の経路生成装置において、
前記車両の運転者に対する運転支援を行うないし前記車両を自動運転するように走行用アクチュエータを制御する走行制御部をさらに備え、
前記走行制御部は、前記第2導出部により導出された第2関数に基づいて、前記走行用アクチュエータを制御することを特徴とする経路生成装置。
Priority Applications (3)
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JP2022008738A JP7458429B2 (ja) | 2022-01-24 | 2022-01-24 | 経路生成装置 |
CN202310013691.8A CN116483065A (zh) | 2022-01-24 | 2023-01-05 | 路径生成装置和路径生成方法 |
US18/098,687 US20230234581A1 (en) | 2022-01-24 | 2023-01-18 | Path generation apparatus and path generation method |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018181209A (ja) | 2017-04-20 | 2018-11-15 | マツダ株式会社 | 車両の運転支援装置 |
JP2019059441A (ja) | 2017-09-28 | 2019-04-18 | トヨタ自動車株式会社 | 車両運転支援装置 |
JP2019089549A (ja) | 2019-01-29 | 2019-06-13 | 株式会社Subaru | 車両の走行制御装置 |
JP2019156066A (ja) | 2018-03-09 | 2019-09-19 | 株式会社Subaru | 車両の走行制御装置 |
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2022
- 2022-01-24 JP JP2022008738A patent/JP7458429B2/ja active Active
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2023
- 2023-01-05 CN CN202310013691.8A patent/CN116483065A/zh active Pending
- 2023-01-18 US US18/098,687 patent/US20230234581A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018181209A (ja) | 2017-04-20 | 2018-11-15 | マツダ株式会社 | 車両の運転支援装置 |
JP2019059441A (ja) | 2017-09-28 | 2019-04-18 | トヨタ自動車株式会社 | 車両運転支援装置 |
JP2019156066A (ja) | 2018-03-09 | 2019-09-19 | 株式会社Subaru | 車両の走行制御装置 |
JP2019089549A (ja) | 2019-01-29 | 2019-06-13 | 株式会社Subaru | 車両の走行制御装置 |
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US20230234581A1 (en) | 2023-07-27 |
JP2023107503A (ja) | 2023-08-03 |
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