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公开(公告)号：US20170021862A1
公开(公告)日：2017-01-26
申请号：US15213748
申请日：2016-07-19
Applicant: DENSO CORPORATION
Inventor： Hisaya Akatsuka , Toshiki Matsumoto , Hisashi Iida
CPC classification number: B62D15/025 , B60W10/18 , B60W10/20 , B60W30/10 , B60W40/08 , B60W50/14 , B60W2050/146 , B60W2510/202 , B60W2520/06 , B60W2710/18 , B60W2710/202 , B62D15/0235
Abstract: A steering wheel control apparatus for controlling driving of a steering wheel of a vehicle includes a steering wheel drive section that drives the steering wheel in accordance with a target value, a shock probability determination section that determines whether the steering wheel may apply a physical shock to a vehicle driver, and a steering wheel driving restriction section that restricts driving of the steering wheel by the steering wheel drive section to reduce the shock applied to the vehicle driver when the shock probability determination section determines that the steering wheel may apply the shock to the vehicle driver.
Abstract translation: 用于控制车辆的方向盘驱动的方向盘控制装置包括：根据目标值驱动方向盘的方向盘驱动部，确定方向盘是否可以对物理冲击施加物理冲击的冲击概率判定部 车辆驾驶员和方向盘驱动限制部分，当所述冲击概率确定部分确定所述方向盘可能对所述方向盘施加冲击时，所述方向盘驱动限制部分限制所述方向盘驱动部分的所述方向盘的驱动，以减少施加到所述车辆驾驶员的冲击 车司机。
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公开(公告)号：US20150210310A1
公开(公告)日：2015-07-30
申请号：US14419327
申请日：2013-07-31
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hisaya Akatsuka , Daiji Watanabe , Motoaki Kataoka , Yoshio Kudo , Yoshiaki Suzuki
CPC classification number: B62D5/0463 , B62D5/04 , B62D5/0472 , B62D6/00 , B62D6/04 , B62D6/10
Abstract: An electric power steering system includes a basic assist amount calculation section calculating a basic assist amount for assisting the manipulation of a steering wheel, and an assist compensation amount calculation section calculating an assist compensation amount for correcting the basic assist amount. The system includes an assist amount correction section calculating a corrected assist amount by correcting the basic assist amount based on the assist compensation amount, and a motor drive section driving a motor using the corrected assist amount. The assist compensation amount calculation section uses a reverse input specification that more transmits the signal components of specific frequency in road-surface input torque, to a steering wheel than in the case of using only the basic assist amount, and calculates the assist compensation amount suitable for a vehicle-state value, such as a steering torque, to suppress variation in the transmission characteristics due to variation of the vehicle-state value.
Abstract translation: 电动助力转向系统包括：计算用于辅助方向盘操作的基本辅助量的基本辅助量计算部分，以及计算用于校正基本辅助量的辅助补偿量的辅助补偿量计算部。 该系统包括辅助量校正部，其通过基于辅助补偿量校正基本辅助量来计算校正辅助量;以及马达驱动部，其使用校正后的辅助量来驱动马达。 辅助补偿量计算部使用与仅使用基本辅助量的情况相比，在路面输入转矩中更多地将方向盘的特定频率的信号分量更多地发送的反向输入规格，并且计算适合的辅助补偿量 对于诸如转向扭矩的车辆状态值来抑制由车辆状态值的变化引起的传动特性的变化。
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公开(公告)号：US11509250B2
公开(公告)日：2022-11-22
申请号：US17462225
申请日：2021-08-31
Applicant: JTEKT CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Shingo Nitta , Takahiro Toko , Takahiro Kojo , Hisaya Akatsuka
Abstract: A control device controls a motor which includes a first stator coil and a second stator coil insulated from each other. The control device includes: a first drive circuit that is connected to the first stator coil; a second drive circuit that is connected to the second stator coil; a first processing circuit; and a second processing circuit. The first processing circuit increases an output of an integral element according to the number of control systems when the second processing circuit performs a process of switching a first use and operation process to a second use and operation process.
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公开(公告)号：US20210371010A1
公开(公告)日：2021-12-02
申请号：US17330867
申请日：2021-05-26
Applicant: Toyota Jidosha Kabushiki Kaisha , Denso Corporation
Inventor： Takahiro Kojo , Yoji Kunihiro , Hisaya Akatsuka
Abstract: Provided is a control apparatus for a vehicle configured to perform steering assist control and driving support control based on a motor control amount, the control apparatus being further configured to correct the motor control amount such that a specific steering amount in a second period becomes smaller than that in a first period, the specific steering amount being an amount of change in a steering angle required for a magnitude of a steering torque to reach a torque threshold, the first period being a period from a first time point at which a driving support operation state is changed to an on state to a second time point at which a driving operation switching request is issued, and the second period being a period from the second time point to a third time point at which the driving support operation state is changed to an off state.
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公开(公告)号：US10589777B2
公开(公告)日：2020-03-17
申请号：US15685769
申请日：2017-08-24
Applicant: DENSO CORPORATION
Inventor： Yosuke Hirate , Daiji Watanabe , Hisaya Akatsuka
Abstract: A motor controller of a steering control apparatus is configured to drive, based on an assist command and a tracking command, a motor to thereby generate assist torque and automatic steering torque. A state determiner of the steering control apparatus is configured to determine at least whether a driver's steering state is a biased steering state or a return steering state in accordance with a first parameter associated with steering torque based on the driver's steering, and a second parameter associated with an angular velocity of the motor. A ratio changer of the steering control apparatus is configured to change a ratio of the assist torque to the automatic steering torque in accordance with a determination result of the state determiner.
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Patent Agency Ranking
公开(公告)号：US09796410B2
公开(公告)日：2017-10-24
申请号：US15009451
申请日：2016-01-28
Applicant: DENSO CORPORATION
Inventor： Hisaya Akatsuka , Motoaki Kataoka , Daisuke Tokumochi , Yasuhiko Mukai
IPC: B62D6/00 , B62D5/04 , B62D6/02 , G05B19/402
CPC classification number: B62D5/0463 , B62D1/286 , B62D6/002 , B62D6/02 , B62D15/025 , B62D15/0265 , G05B19/402
Abstract: A motor controller has an assist controller that generates an assist instruction AC to generate an assist torque for lightening a steering load based on a detected value of a steering torque, and a follow controller obtaining a target value of a physical quantity regarding a steering operation and generating a follow instruction TC of a follow control. Further, an intervention detector in the motor controller detects an intervention of a driver or of a system, and a restrictor restricts an internal value that is used by the assist controller or by the follow controller, so that a ratio of the assist torque against the automatic steering torque is changed, which makes it possible to switch a control to the driver or to a system without a causing a wrong feeling to the driver.
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公开(公告)号：US09764758B2
公开(公告)日：2017-09-19
申请号：US14419327
申请日：2013-07-31
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hisaya Akatsuka , Daiji Watanabe , Motoaki Kataoka , Yoshio Kudo , Yoshiaki Suzuki
CPC classification number: B62D5/0463 , B62D5/04 , B62D5/0472 , B62D6/00 , B62D6/04 , B62D6/10
Abstract: An electric power steering system includes a basic assist amount calculation section calculating a basic assist amount for assisting the manipulation of a steering wheel, and an assist compensation amount calculation section calculating an assist compensation amount for correcting the basic assist amount. The system includes an assist amount correction section calculating a corrected assist amount by correcting the basic assist amount based on the assist compensation amount, and a motor drive section driving a motor using the corrected assist amount. The assist compensation amount calculation section uses a reverse input specification that more transmits the signal components of specific frequency in road-surface input torque, to a steering wheel than in the case of using only the basic assist amount, and calculates the assist compensation amount suitable for a vehicle-state value, such as a steering torque, to suppress variation in the transmission characteristics due to variation of the vehicle-state value.
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公开(公告)号：US20170217477A1
公开(公告)日：2017-08-03
申请号：US15009451
申请日：2016-01-28
Applicant: DENSO CORPORATION
Inventor： Hisaya Akatsuka , Motoaki Kataoka , Daisuke Tokumochi , Yasuhiko Mukai
IPC: B62D5/04 , B62D6/00 , G05B19/402 , B62D6/02
CPC classification number: B62D5/0463 , B62D1/286 , B62D6/002 , B62D6/02 , B62D15/025 , B62D15/0265 , G05B19/402
Abstract: A motor controller has an assist controller that generates an assist instruction AC to generate an assist torque for lightening a steering load based on a detected value of a steering torque, and a follow controller obtaining a target value of a physical quantity regarding a steering operation and generating a follow instruction TC of a follow control. Further, an intervention detector in the motor controller detects an intervention of a driver or of a system, and a restrictor restricts an internal value that is used by the assist controller or by the follow controller, so that a ratio of the assist torque against the automatic steering torque is changed, which makes it possible to switch a control to the driver or to a system without a causing a wrong feeling to the driver.
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公开(公告)号：US09545945B2
公开(公告)日：2017-01-17
申请号：US14933946
申请日：2015-11-05
Applicant: DENSO CORPORATION
Inventor： Hisaya Akatsuka , Motoaki Kataoka , Toshiki Matsumoto , Hisashi Iida
CPC classification number: B62D5/0463 , B62D15/025
Abstract: An electric power steering system for a vehicle works to determine an assist command based on steering torque to produce assist torque through an electric motor for assisting in turning a steering wheel of the vehicle, also determines a tracking command for producing automatic steering torque which brings a value of a given physical quantity associated with steering of the vehicle into agreement a target value, and calculates a steering correction command for use in producing a steering correction torque which reduces the steering torque which arises from output of the torque from the electric motor based on a transfer characteristic of transmission of the output of torque from the electric motor as a part of the steering torque. A motor driver works to actuate the electric motor based on sum of the assist command, the tracking command, and the steering correction command.
Abstract translation: 用于车辆的电动助力转向系统工作以确定基于转向转矩的辅助指令，以通过用于辅助车辆转向的电动机产生辅助转矩，还确定用于产生自动转向转矩的跟踪命令， 将与车辆的转向相关联的给定物理量的值与目标值相一致，并且计算用于产生转向修正转矩的转向修正指令，所述转向修正转矩基于来自电动机的扭矩的输出而减小转向转矩 作为转向转矩的一部分的来自电动机的扭矩输出的传递特性。 电机驱动器基于辅助指令，跟踪指令和转向修正指令的总和来启动电动机。
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公开(公告)号：US11150651B2
公开(公告)日：2021-10-19
申请号：US16097015
申请日：2017-04-28
Applicant: DENSO CORPORATION
Inventor： Noriyasu Noto , Hisaya Akatsuka , Yasuhiko Mukai , Daisuke Tokumochi
Abstract: An information processing apparatus installed in a vehicle includes a driving control section and a preparation control section. The driving control section executes automated driving of the vehicle. The preparation control section executes, when the automated driving is being executed by the driving control section, preparation control which is control that stops at least a part of the automated driving and makes the driver perform a preparation switching to driving by the driver of the vehicle.
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