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公开(公告)号：US20180304922A1
公开(公告)日：2018-10-25
申请号：US15959655
申请日：2018-04-23
Applicant: DENSO CORPORATION
Inventor： Yosuke HIRATE , Daiji WATANABE , Hisaya AKATSUKA , Toshiya KABAYAMA
CPC classification number: B62D6/003 , B62D3/12 , B62D5/008 , B62D5/0463 , B62D6/007 , B62D15/022 , B62D15/025 , B62D15/0285 , G05D1/0212
Abstract: A steering assist apparatus is provided with a steering drive unit driving a steering apparatus, a steering control unit executing an automatic steering mode where a steering drive unit is controlled such that a turning angle is determined based on at least either a running state of the vehicle or road information to produce the determined turning angle, and a target differential angle control unit determining a target differential angle. The target differential angle control unit determines the target differential angle to be close to an automatic steering target differential angle used for the automatic steering mode, when input variation through a steering input apparatus is not detected during a transition period from a manual steering mode where the steering apparatus operates in response to the steering angle inputted through the steering input apparatus to the automatic steering mode or during an elapsed period after completing the transition period.
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2.发明申请公开(公告)号：US20190232965A1
公开(公告)日：2019-08-01
申请号：US16330940
申请日：2017-09-06
Applicant: DENSO CORPORATION
Inventor： Daiji WATANABE , Toshiki MATSUMOTO , Hisaya AKATSUKA
IPC: B60W40/072 , B60W50/038 , G01S13/06 , B60W40/105
CPC classification number: B60W40/072 , B60T7/12 , B60T2230/04 , B60W40/076 , B60W40/105 , B60W50/038 , B60W2550/146 , B60W2550/402 , G01S13/06 , G08G1/16
Abstract: A forward information acquisition unit acquires a road profile ahead of the own vehicle. A position acquisition unit acquires a current position of the own vehicle. A state acquisition unit acquires a current speed of the own vehicle. A command calculation unit calculates a target speed at each point on a road ahead of the own vehicle, based on the road profile and the current position, and calculates a drive command for driving the own vehicle in the longitudinal direction of the own vehicle, based on the target speed and the current speed. The road profile includes a road gradient. The command calculation unit is configured to adjust the drive command, based on variation in the road gradient and Gzmax that is an acceleration limit limiting acceleration of the own vehicle in the vertical direction.
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公开(公告)号：US20180362073A1
公开(公告)日：2018-12-20
申请号：US16007190
申请日：2018-06-13
Applicant: DENSO CORPORATION
Inventor： Yosuke HIRATE , Daiji WATANABE , Hisaya AKATSUKA
Abstract: In a vehicle, an amount of change of a turning angle of a turning mechanism to an amount of change of a steering angle of a steering input device is defined as a transfer ratio, the turning mechanism is rotationally driven by a turning drive unit, and a driver's body posture parameter is detected by a body posture parameter detector. An apparatus for steering the vehicle includes a controller that executes an automatic steering mode that determines a target value for the turning angle of the turning mechanism based on a travelling condition of the vehicle and/or information about a road on which the vehicle is travelling, and controls the turning mechanism to adjust the turning angle of the turning mechanism to the target value. A transfer ratio adjuster adjusts the transfer ratio in accordance with the body posture parameter during execution of the automatic steering mode.
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公开(公告)号：US20200331488A1
公开(公告)日：2020-10-22
申请号：US16850554
申请日：2020-04-16
Applicant: DENSO CORPORATION
Inventor： Yousuke HIRATE , Daiji WATANABE
Abstract: A display apparatus mounted on a vehicle may comprise: a display device that is placed in a vehicle compartment of a vehicle configured to perform a cooperative driving mode in which a manual operation by a driver and an autonomous operation by an autonomous driving function cooperate with each other to control a driving of the vehicle; an acquisition section that is configured to acquire a degree of restriction applied to an autonomous operation torque controlled by the autonomous driving function in the cooperative driving mode in response to set of the degree of restriction according to a manual operation amount input by the driver; and a display control device that causes the display device to display a cooperative ratio of the manual operation and the autonomous operation in the cooperative driving mode based on the degree of restriction.
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公开(公告)号：US20200180678A1
公开(公告)日：2020-06-11
申请号：US16321996
申请日：2017-07-28
Applicant: DENSO CORPORATION
Inventor： Daiji WATANABE , Hisaya AKATSUKA
IPC: B62D5/04
Abstract: A position prediction unit calculates a predicted position which is a position of the vehicle on the map at a certain point of time after the present time based on the map. An assist calculation unit calculates an assist control amount of the steering operation based on the road shape at the predicted position which can be identified from the map. An operation amount acquisition unit acquires an operation amount of the steering. An adjustment unit adjusts the assist control amount according to the operation amount.
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Patent Agency Ranking
公开(公告)号：US20180304921A1
公开(公告)日：2018-10-25
申请号：US15958825
申请日：2018-04-20
Applicant: DENSO CORPORATION
Inventor： Yosuke HIRATE , Daiji WATANABE , Hisaya AKATSUKA , Toshiya KABAYAMA
CPC classification number: B62D6/003 , B62D3/12 , B62D5/008 , B62D5/0463 , B62D15/022 , B62D15/025 , G05D1/0212
Abstract: A steering assist apparatus on a vehicle is provided, including a steering drive unit that drives a steering apparatus; a steering control unit that executes an automatic steering mode in which the steering drive unit is controlled such that a turning angle is determined based on at least either a running state of the vehicle or road information to accomplish the determined turning angle; and a transmission ratio determining unit that determines, based on at least either a running state of the vehicle or the road information, a first transmission ratio in the automatic steering mode to be a value different from a second transmission ratio in a manual steering mode in which the steering apparatus operates in accordance with the steering angle inputted via a steering input apparatus.
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公开(公告)号：US20180304920A1
公开(公告)日：2018-10-25
申请号：US15958507
申请日：2018-04-20
Applicant: DENSO CORPORATION
Inventor： Yosuke HIRATE , Daiji WATANABE , Hisaya AKATSUKA , Toshiya KABAYAMA
CPC classification number: B62D6/003 , B62D3/12 , B62D5/008 , B62D5/0463 , B62D15/022 , B62D15/025 , G05D1/0212
Abstract: In a steering assistance apparatus mounted in a vehicle, a steering input device and a turning device differentiate at a transmission ratio that is a ratio of an amount of change in the turning angle to an amount of change in the steering angle. A turning device actuator actuates the turning device. A controller executes an automatic steering mode, in which the controller determines the turning angle based on at least one of a travel condition and travel path information of the vehicle and controls the turning device actuator so as to achieve the determined turning angle. If detecting an input variation from the steering input device during execution of the automatic steering mode, the controller changes the transmission ratio to a value less than the transmission ratio in the automatic steering mode and prioritizes a manual steering mode over the automatic steering mode.
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8.发明申请公开(公告)号：US20190232970A1
公开(公告)日：2019-08-01
申请号：US16330933
申请日：2017-09-06
Applicant: DENSO CORPORATION
Inventor： Daiji WATANABE , Toshiki MATSUMOTO , Hisaya AKATSUKA
IPC: B60W50/038 , G01S13/06 , B60W40/072 , B60W40/105
CPC classification number: B60W50/038 , B60T8/1755 , B60T2230/04 , B60W10/00 , B60W10/06 , B60W10/11 , B60W10/184 , B60W30/188 , B60W40/072 , B60W40/105 , B60W40/107 , B60W2550/146 , B60W2550/402 , G01S13/06 , G08G1/16
Abstract: A command calculation unit calculates a target speed at each point on a road ahead of the own vehicle, and calculates a drive command for driving the own vehicle in the longitudinal direction of the own vehicle, based on the target speed and a current speed of the own vehicle. When output of the drive command that has been stopped is restarted, the command calculation unit adjusts the drive command, using an acceleration limit limiting acceleration of the own vehicle, or a jerk limit that limits jerk of the own vehicle. An output control unit controls output of the drive command, based on an input from at least one of a driver's operation of the own vehicle, and from another control system of the own vehicle. The output control unit temporarily reduces the value of at least one of the acceleration limit, the jerk limit and the drive command when restarting output of the drive command that was previously stopped.
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公开(公告)号：US20180015947A1
公开(公告)日：2018-01-18
申请号：US15649344
申请日：2017-07-13
Applicant: DENSO CORPORATION
Inventor： Hisaya AKATSUKA , Daiji WATANABE
CPC classification number: B62D6/002 , B62D1/286 , B62D5/0421 , B62D5/0463 , B62D5/0466 , B62D6/008 , B62D6/08 , B62D15/025
Abstract: A driving support device for a vehicle includes an assist control unit for generating an assist command for generating an assist torque, a tracking control unit for generating a tracking command for generating an automatic steering torque, an intervention detection unit for detecting an intervention in a tracking process by a steering operation, a tracking limiting unit that limits the tracking process during a detection of the intervention, a steering force correcting unit for generating a correction command for reducing a difference in steering reaction force caused by an operation direction of a driver during the detection of the intervention and a motor driving unit for driving the motor based on the assist command, the tracking command and the correction command.
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公开(公告)号：US20180009473A1
公开(公告)日：2018-01-11
申请号：US15644348
申请日：2017-07-07
Applicant: DENSO CORPORATION
Inventor： Hisaya AKATSUKA , Daiji WATANABE
CPC classification number: B62D6/002 , B62D5/0463 , B62D15/025
Abstract: In a drive assist system, a map data acquiring section acquires a forward road shape and a rearward road shape. The forward road shape represents a road shape at a forward position in front of a current position of an own vehicle on a road on which the own vehicle drives. The rearward road shape represents a road shape at a rearward position on the road. The rearward position is behind the forward position and in front of the current position of the own vehicle on the road. An assist control calculation section determines steering characteristics of the own vehicle at the target position located between the forward position and the rearward position based on the forward road shape and the rearward road shape, and adjusts a steering angle of the own vehicle on the basis of the determined steering characteristics of the own vehicle.
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