JP2022028418A - 運転支援装置 - Google Patents
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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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60T7/00—Brake-action initiating means
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- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
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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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B60W2540/00—Input parameters relating to occupants
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W2554/00—Input parameters relating to objects
- B60W2554/80—Spatial relation or speed relative to objects
- B60W2554/802—Longitudinal distance
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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
- B60W2554/00—Input parameters relating to objects
- B60W2554/80—Spatial relation or speed relative to objects
- B60W2554/804—Relative longitudinal 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G01S2013/93185—Controlling the brakes
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Abstract
Description
この運転支援装置によれば、減速支援前提条件が満たされた状態で運転者のアクセルリリースが行われた場合には、アクセルリリース用減速支援が行われるので、運転者のアクセルリリースに応じた運転者に違和感の少ない減速支援を実行することが可能となる。
この運転支援装置によれば、減速支援前提条件が満たされた状態で運転者のブレーキリリースが行われた場合には、ブレーキリリース用減速支援が行われるので、運転者のブレーキリリースに応じた運転者に違和感の少ない減速支援を実行することが可能となる。
この運転支援装置によれば、減速支援前提条件が満たされた状態で運転者のアクセルリリースが行われた場合にはアクセルリリース用減速支援が行われ、減速支援前提条件が満たされた状態で運転者のブレーキリリースが行われた場合にはブレーキリリース用減速支援が行われるので、運転者のアクセルリリース及びブレーキリリースに応じた運転者に違和感の少ない減速支援を実行することが可能となる。
一実施形態に係る運転支援装置100の構成について図面を参照して説明する。図1に示すように、運転支援装置100は、装置を統括的に管理する運転支援ECU[Electronic Control Unit]10を備えている。運転支援ECU10は、CPU[Central Processing Unit]、ROM[Read Only Memory]、RAM[Random Access Memory]などを有する電子制御ユニットである。運転支援ECU10では、例えば、ROMに記憶されているプログラムをRAMにロードし、RAMにロードされたプログラムをCPUで実行することにより各種の機能を実現する。運転支援ECU10は、複数の電子ユニットから構成されていてもよい。
次に、本実施形態に係る運転支援装置100の処理について図面を参照して説明する。図3は、減速支援開始処理の一例を示すフローチャートである。この減速開始処理は、運転支援機能が実行されている場合に行われる。
Claims (4)
- 自車両の前方の減速対象と前記自車両との相対状況が予め設定された減速支援前提条件を満たし、且つ、前記自車両の運転者のアクセル操作及びブレーキ操作が行われていない場合に、前記自車両の減速支援を行う運転支援装置であって、
前記自車両の運転者のアクセル操作及びブレーキ操作が行われていない状態で、前記減速支援前提条件を満たした場合に、第1の減速支援を実行する第1減速支援実行部と、
前記減速支援前提条件が満たされた状態で、前記運転者のアクセルリリース又はブレーキリリースが行われた場合に、第2の減速支援を実行する第2減速支援実行部と、
を備え、
前記第1の減速支援と前記第2の減速支援とは、減速度上限値、減速度のジャーク上限値、減速支援開始タイミングのうち少なくとも一つが異なっている、運転支援装置。 - 前記第2減速支援実行部は、前記減速支援前提条件が満たされた状態で、前記運転者のアクセルリリースが行われた場合に、前記第2の減速支援としてアクセルリリース用減速支援を実行し、
前記アクセルリリース用減速支援は、前記第1の減速支援と比べて前記減速度上限値が大きい、前記第1の減速支援と比べて前記減速度のジャーク上限値が大きい、又は、前記第1の減速支援と比べて前記減速支援開始タイミングが遅い減速支援である、請求項1に記載の運転支援装置。 - 前記第2減速支援実行部は、前記減速支援前提条件が満たされた状態で、前記運転者のブレーキリリースが行われた場合に、前記第2の減速支援としてブレーキリリース用減速支援を実行し、
前記ブレーキリリース用減速支援は、前記第1の減速支援と比べて前記減速度上限値が小さい、前記第1の減速支援と比べて前記減速度のジャーク上限値が小さい、又は、前記第1の減速支援と比べて前記減速支援開始タイミングが遅い減速支援である、請求項1又は2に記載の運転支援装置。 - 前記第2減速支援実行部は、前記減速支援前提条件が満たされた状態で、前記運転者のアクセルリリースが行われた場合に前記第2の減速支援としてアクセルリリース用減速支援を実行し、前記減速支援前提条件が満たされた状態で前記運転者のブレーキリリースが行われた場合に、前記第2の減速支援としてブレーキリリース用減速支援を実行し、
前記アクセルリリース用減速支援は、前記ブレーキリリース用減速支援と比べて前記減速度上限値が大きい、前記ブレーキリリース用減速支援と比べて前記減速度のジャーク上限値が大きい、又は、前記ブレーキリリース用減速支援と比べて前記減速支援開始タイミングが早い減速支援である、請求項1に記載の運転支援装置。
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JP2020131801A JP7302545B2 (ja) | 2020-08-03 | 2020-08-03 | 運転支援装置 |
US17/376,705 US11752986B2 (en) | 2020-08-03 | 2021-07-15 | Driving assistance device |
CN202110870711.4A CN114056314B (zh) | 2020-08-03 | 2021-07-30 | 驾驶支援装置 |
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