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    • 1. 发明申请
    • Electric Brake
    • 电动刹车
    • US20090218179A1
    • 2009-09-03
    • US12278764
    • 2006-02-08
    • Atsushi YokoyamaYoshinari KawaharaSatoru Kuragaki
    • Atsushi YokoyamaYoshinari KawaharaSatoru Kuragaki
    • F16D66/00
    • B60T13/741F16D65/18F16D2066/003F16D2066/005F16D2121/24F16D2125/40
    • Provided is an electric brake capable of accurately estimating the brake pad temperature and securing a sufficient braking force and response. An electric brake has a disc rotor rotating with a wheel, an actuator for rectilinearly actuating a piston in the axial direction of the disc rotor by using an electric motor, a drive controller for controlling the drive of the actuator, a brake pad pressed by the piston to give a frictional resistance to the disc rotor in the direction of rotation, and a braking start position detector for detecting a braking start position of the piston where the disc rotor is brought into contact with the brake pad. The drive controller stores the braking start position detected by the braking start position detector as the maximum braking start position. When the braking start position shifts in the pressing force-increasing direction, the drive controller updates the value stored as the maximum braking-start position.
    • 提供一种能够精确地估计制动衬块温度并确保足够的制动力和响应的电动制动器。 电动制动器具有用轮旋转的盘转子,用于通过使用电动机在盘形转子的轴向方向上直线致动活塞的致动器,用于控制致动器的驱动的驱动控制器,由 活塞,以在旋转方向上产生对盘形转子的摩擦阻力;以及制动开始位置检测器,用于检测活塞的制动开始位置,其中盘形转子与制动衬块接触。 驱动控制器将由制动开始位置检测器检测的制动开始位置存储为最大制动开始位置。 当制动开始位置在按压力增加方向上移动时,驱动控制器更新存储为最大制动开始位置的值。
    • 3. 发明授权
    • Electric brake
    • 电动刹车
    • US08430213B2
    • 2013-04-30
    • US12278764
    • 2006-02-08
    • Atsushi YokoyamaYoshinari KawaharaSatoru Kuragaki
    • Atsushi YokoyamaYoshinari KawaharaSatoru Kuragaki
    • F16D66/02
    • B60T13/741F16D65/18F16D2066/003F16D2066/005F16D2121/24F16D2125/40
    • Provided is an electric brake capable of accurately estimating the brake pad temperature and securing a sufficient braking force and response. An electric brake has a disc rotor rotating with a wheel, an actuator for rectilinearly actuating a piston in the axial direction of the disc rotor by using an electric motor, a drive controller for controlling the drive of the actuator, a brake pad pressed by the piston to give a frictional resistance to the disc rotor in the direction of rotation, and a braking start position detector for detecting a braking start position of the piston where the disc rotor is brought into contact with the brake pad. The drive controller stores the braking start position detected by the braking start position detector as the maximum braking start position. When the braking start position shifts in the pressing force-increasing direction, the drive controller updates the value stored as the maximum braking-start position.
    • 提供一种能够精确地估计制动衬块温度并确保足够的制动力和响应的电动制动器。 电动制动器具有用轮旋转的盘转子,用于通过使用电动机在盘形转子的轴向方向上直线致动活塞的致动器,用于控制致动器的驱动的驱动控制器,由 活塞,以在旋转方向上产生对盘形转子的摩擦阻力;以及制动开始位置检测器,用于检测活塞的制动开始位置,其中盘形转子与制动衬块接触。 驱动控制器将由制动开始位置检测器检测的制动开始位置存储为最大制动开始位置。 当制动开始位置在按压力增加方向上移动时,驱动控制器更新存储为最大制动开始位置的值。
    • 7. 发明申请
    • Forward Collision Avoidance Assistance System
    • 前向碰撞避免援助系统
    • US20090143951A1
    • 2009-06-04
    • US12270332
    • 2008-11-13
    • Junya TakahashiAtsushi YokoyamaSatoru Kuragaki
    • Junya TakahashiAtsushi YokoyamaSatoru Kuragaki
    • G08G1/16
    • B60W30/02B60T7/22B60T8/17558B60T2201/022B60W10/06B60W10/184B60W10/20B60W30/09B60W30/095B60W30/18136B60W50/14B60W2510/182B60W2520/10B60W2520/105B60W2520/125B60W2540/18B60W2550/148B60W2550/302B60W2550/308B60W2710/0605B60W2710/182B60W2710/207
    • An object of the present invention is to provide a forward collision avoidance assistance system that attains the reduction of driver's uncomfortable feeling and the improvement in drivability while ensuring the collision avoidance performance during operation for avoiding contact with an object.A collision avoidance calculation unit 3 determines a risk of collision between a host vehicle and an object detected in the host vehicle traveling direction based on information about the host vehicle detected by a host vehicle information detection unit 1 and information about the object detected by an object information detection unit 2, and calculates control information for object avoidance to be output to an actuator 5 based on a result of collision risk judgment. The collision avoidance calculation unit 3 uses a collision-avoidable limit distance Δxctl2 determined based on a physical limit that can avoid collision with the object, and a jerk-limited collision avoidable distance Δxctl1 determined based on the acceleration and jerk generated on the host vehicle by object avoidance movement, to control the brake force generated on the host vehicle by a brake actuator 5.
    • 本发明的目的在于提供一种能够减少驾驶员的不舒适感和提高驾驶性的前向碰撞避免辅助系统,同时确保避免在与物体接触的操作时的防撞性能。 碰撞避免计算单元3基于由主车辆信息检测单元1检测到的关于主车辆的信息和关于由物体检测到的物体的信息,确定主车辆与在本车行驶方向上检测到的物体之间的碰撞的风险 信息检测单元2,并且基于碰撞风险判断的结果计算出将要回避的控制信息输出到致动器5。 碰撞避免计算单元3使用基于能够避免与物体碰撞的物理极限确定的防碰撞限制距离Deltaxctl2,以及基于在本车辆上产生的加速度和加加速度确定的冲击限制碰撞避免距离Deltaxctl1, 对象回避运动,以通过制动致动器5控制在主车辆上产生的制动力。
    • 10. 发明授权
    • Electrically operated brake
    • 电动制动器
    • US07445091B2
    • 2008-11-04
    • US11629977
    • 2004-06-21
    • Yoshinari KawaharaKousaku OhnoAtsushi YokoyamaMitsuhide Sasaki
    • Yoshinari KawaharaKousaku OhnoAtsushi YokoyamaMitsuhide Sasaki
    • F16D55/08
    • B60T13/741B60T8/00B60T8/24
    • An electrically operated brake device in which braking force differences between electrically operated brakes are reduced to prevent unstable vehicle traveling during braking.Motors 13 of electrically operated brakes are returned to standard positions during the stop of a vehicle and the motor 13 of each of the brakes is driven for a predetermined amount, pressing a brake pad 17 against a disc rotor 18 to produce a braking force.An electric current value of each motor 13 in the above operation is measured and differences between the values are calculated. Electric current of each motor is increased or decreased so that there is no current difference between the motors 13. Based on a drive amount of each motor in this operation, standard positions of the motors are determined and updated. Repeating the above operations reduces braking force differences between the brakes.
    • 一种电动制动装置,其中电动制动器之间的制动力差异减小,以防止在制动期间车辆行驶不稳定。 电动制动器的电动机13在车辆停止期间返回到标准位置,并且每个制动器的电动机13被驱动预定量,将制动衬块17压靠在盘转子18上以产生制动力。 测量上述操作中的每个电机13的电流值,并计算这些值之间的差值。 每个电动机的电流增加或减小,使得电动机13之间没有电流差。 基于该操作中的每个电动机的驱动量,确定和更新电动机的标准位置。 重复上述操作可减少制动器之间的制动力差异。