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    • 2. 发明授权
    • Apparatus for predicting the movement of a mobile body
    • 用于预测移动体的运动的装置
    • US08676487B2
    • 2014-03-18
    • US13148507
    • 2010-02-05
    • Katsuhiro SakaiKazuaki AsoMasahiro HaradaToshiki Kindo
    • Katsuhiro SakaiKazuaki AsoMasahiro HaradaToshiki Kindo
    • G08G1/16
    • B60W40/02B60W30/08
    • A movement region prediction apparatus includes a mobile body detection device that detects a mobile body around a host vehicle; a prediction device that predicts a movement region of the detected mobile body; and a degree-of-normality acquisition device that acquires degree of normality of a situation of movement of the detected mobile body. The prediction device has a plurality of movement prediction models for predicting the movement region of the mobile body, and selects a movement prediction model from the plurality of movement prediction models based on the degree of normality acquired by the degree-of-normality acquisition device, and predicts the movement region of the mobile body using the selected movement prediction model.
    • 运动区域预测装置包括:移动体检测装置,其检测主车辆周围的移动体; 预测装置,其预测检测到的移动体的移动区域; 以及获取检测到的移动体的移动状态的正常程度的正常度采集装置。 预测装置具有用于预测移动体的移动区域的多个运动预测模型,并且基于由正常度采集装置获取的正常程度从多个运动预测模型中选择运动预测模型, 并且使用所选择的运动预测模型来预测移动体的运动区域。
    • 3. 发明授权
    • Image search method and device using affine-invariant regions
    • 使用仿射不变区域的图像搜索方法和装置
    • US08295604B2
    • 2012-10-23
    • US12065445
    • 2006-08-31
    • Katsuhiro SakaiOndrej ChumJiri Matas
    • Katsuhiro SakaiOndrej ChumJiri Matas
    • G06K9/46G06K9/00G06K9/62G06K9/36G09G5/00
    • G06F17/30259G06K9/4671G06K9/6211
    • An image search method that is robust and fast (with computational complexity of logarithmic order relative to the number of models). The image search method including: extracting a plurality of specific regions possessing such a property that a shape can be normalized regardless of an affine transformation thereof, as affine-invariant regions from one or more learning images; calculating, with respect to a reference affine-invariant region, other neighboring affine-invariant regions as a set; deforming the neighboring affine-invariant regions by a transformation to normalize the shape of the reference affine-invariant region; and outputting the deformed shapes of the neighboring affine-invariant regions, together with combination of the reference affine-invariant region and the neighboring affine-invariant regions.
    • 一种稳健且快速的图像搜索方法(相对于模型数量的对数顺序的计算复杂度)。 所述图像搜索方法包括:提取具有这样的特性的多个特定区域,即,无论其仿射变换,形状可以被归一化,作为来自一个或多个学习图像的仿射不变区域; 相对于参考仿射不变区域计算其他相邻仿射不变区域作为一组; 通过变换使邻近的仿射不变区域变形以使参考仿射不变区域的形状归一化; 并且输出相邻仿射不变区域的变形形状,以及参考仿射不变区域和相邻仿射不变区域的组合。
    • 5. 发明授权
    • Cable steering system
    • 电缆转向系统
    • US06715578B2
    • 2004-04-06
    • US10306111
    • 2002-11-27
    • Yasuo ShimizuKatsuhiro SakaiAtsuhiko Yoneda
    • Yasuo ShimizuKatsuhiro SakaiAtsuhiko Yoneda
    • B62D100
    • B62D1/163B62D5/006B62D5/0409
    • A cable steering system is provided in which first control means controls the operation of a power steering motor disposed between Bowden cables and wheels based on a steering torque detected by a steering torque detection means disposed between a steering wheel and the Bowden cables, and a second control means controls the operation of a steering reaction force addition motor that applies a steering reaction torque to the steering wheel. It is possible to prevent deterioration of the steering feel by generating a steering reaction torque by the steering reaction force addition motor so as to compensate for a change in the steering torque while regulating the change in steering responsiveness due to expansion and contraction of the Bowden cables by generating an assist torque by the power steering motor so as to change the steering torque.
    • 提供了一种电缆转向系统,其中第一控制装置基于由设置在方向盘和鲍登电缆之间的转向转矩检测装置检测到的转向转矩来控制设置在鲍登缆线和车轮之间的动力转向电动机的操作,第二控制装置 控制装置控制对方向盘施加转向反作用转矩的转向反作用力追加电动机的动作。 通过由转向反作用力添加电动机产生转向反作用转矩,可以防止转向感觉的劣化,从而补偿转向转矩的变化,同时调节由于鲍登缆索的膨胀和收缩引起的转向响应性的变化 通过由动力转向电动机产生辅助转矩从而改变转向转矩。
    • 6. 发明授权
    • Parking aid system
    • 停车辅助系统
    • US06483442B2
    • 2002-11-19
    • US09905072
    • 2001-07-16
    • Yasuo ShimizuYasuharu OhyamaKatsuhiro Sakai
    • Yasuo ShimizuYasuharu OhyamaKatsuhiro Sakai
    • G08G100
    • B62D15/0275B60R1/00B60R2300/302B60R2300/305B60R2300/607B60R2300/806B60R2300/8086B60T2201/10B62D15/027
    • A parking aid system having a driver initially stop the subject vehicle alongside a target parking position so that a mark provided inside a door coincides with the central line of the target parking position when assisting the driver with left reverse parking. The subject vehicle is a predetermined distance away from an entrance of the target parking position, when the driver turns the operation switch ON. A display unit then displays the target parking position, the subject vehicle position, and an expected parking position. The expected parking position is set at a position that the subject vehicle reaches when reversing with the steering wheel turned fully to the left. Therefore, when the driver moves the subject vehicle forward to a position where the expected parking position coincides with the target parking position and reverses the subject vehicle from that position through 90° while turning the steering wheel fully to the left, the subject vehicle can reliably be guided to the target parking position.
    • 具有驾驶员的停车辅助系统最初在目标停车位置旁边停止所述车辆,使得当向左驾驶员辅助驾驶员时,设在门内的标记与目标停车位置的中心线重合。 目标车辆距离目标停车位置的入口预定距离,当驾驶员将操作开关打开时。 然后,显示单元显示目标停车位置,目标车辆位置和预期停车位置。 当方向盘完全向左转动时,预期停车位置被设定在当车辆到达时的位置。 因此,当驾驶员将目标车辆向前方移动到预定停车位置与目标停车位置一致的位置时,将该车辆从该位置转过90°,同时使方向盘完全向左转动,则本车辆可靠地 被引导到目标停车位置。
    • 7. 发明授权
    • Automatic steering device for vehicles
    • 汽车自动转向装置
    • US06186259B1
    • 2001-02-13
    • US09152679
    • 1998-09-14
    • Yasuo ShimizuKatsuhiro Sakai
    • Yasuo ShimizuKatsuhiro Sakai
    • B60S900
    • B62D15/0285B60T2201/10
    • An automatic steering device for a vehicle is provided to prevent an automatically steered vehicle from going out of its predetermined locus of movement as a result of an abnormal output of a movement distance detecting device. An actuator control device controls a steering actuator based upon the distance of movement detected by the movement distance detecting device and upon a locus of movement of the vehicle stored in a storage device. A judging device compares a vehicle speed estimated by a vehicle speed estimating device with an actual vehicle speed calculated by an actual vehicle speed detecting device from the distance of movement based upon the operating condition (shift range, accelerator opening degree and brake operating amount) of the vehicle detected by an operating condition detecting device. When the movement distance detecting device or the actual vehicle speed detecting device is judged to be abnormal, a discontinuing device discontinues the operation for controlling the steering actuator which is based on an actuator control device.
    • 提供一种用于车辆的自动转向装置,用于防止自动导向的车辆由于移动距离检测装置的异常输出而脱离其预定的运动轨迹。 致动器控制装置基于由移动距离检测装置检测的移动距离和存储在存储装置中的车辆的移动轨迹来控制转向致动器。 判断装置根据运行状态(换档范围,加速器开度,制动器运转量)将由车速估计装置估计的车速与实际车速检测装置计算出的实际车速与运动距离进行比较 车辆由操作条件检测装置检测。 当移动距离检测装置或实际车速检测装置被判断为异常时,中断装置中止基于致动器控制装置的用于控制转向致动器的操作。
    • 8. 发明授权
    • Automatic steering system for vehicle
    • 汽车自动转向系统
    • US6102147A
    • 2000-08-15
    • US59390
    • 1998-04-14
    • Yasuo ShimizuKatsuhiro Sakai
    • Yasuo ShimizuKatsuhiro Sakai
    • B62D6/00B60W30/00B62D5/04B62D15/02B62D137/00B60S9/00
    • B62D15/0285B60T2201/10
    • In carrying out an automatic steering control for the vehicle, a deviation between an actual locus of movement of a vehicle and a standard locus of movement is corrected, so that the vehicle can be accurately guided to a target position. An automatic steering system for a vehicle is designed so that a steering actuator is driven based on a previously stored standard steering angle, to automatically guide the vehicle to a target position. In this automatic steering system, if the deviation between an actual steering angle of the vehicle which is detected and the standard steering angle, exceeds a predetermined value, the standard steering angle is corrected, so that the deviation is decreased. If the steering actuator is driven based on the corrected standard steering angle, the actual steering angle is corrected, whereby the vehicle can accurately reach the original target position.
    • 在对车辆进行自动转向控制时,校正车辆的实际运动轨迹与标准运动轨迹之间的偏差,使得车辆能够被精确地引导到目标位置。 车辆的自动转向系统被设计成基于先前存储的标准转向角来驱动转向致动器,以便自动地将车辆引导到目标位置。 在该自动转向系统中,如果检测到的车辆的实际转向角与标准转向角之间的偏差超过预定值,则校正标准转向角,使得偏差减小。 如果基于校正的标准转向角度来驱动转向致动器,则校正实际的转向角度,由此车辆可以准确地达到原始目标位置。
    • 9. 发明授权
    • Automatic steering system for vehicle
    • 汽车自动转向系统
    • US6070684A
    • 2000-06-06
    • US111766
    • 1998-07-08
    • Yasuo ShimizuKatsuhiro Sakai
    • Yasuo ShimizuKatsuhiro Sakai
    • B62D6/00B60W30/00B62D5/04B62D15/02B62D113/00B62D119/00B62D137/00B62D1/00
    • B62D15/0285B60T2201/10
    • A vehicle is prevented from being moved in an unanticipated direction at a target position or a moving direction reversing position on a locus of movement based on an automatic steering operation. When a vehicle has been moved from a start position through a moving-direction reversing position to reach a target position by automatic steering control for moving the vehicle along a previously stored locus of movement, thereby finishing the automatic steering control, a driver further moves the vehicle backwards from the target position to a parking position. At this time, if the driver has his or her hands released from a steering wheel, and the course of movement of the vehicle is disturbed due to an external disturbance such as an undulation in the road surface, the steering angle of a wheel is maintained so that it is not varied from a steering angle at the target position. Further, even when the vehicle has been moved to a position past the moving direction reversing position, the steering angle of the wheel is maintained at the steering angle at the moving direction reversing position.
    • 基于自动转向操作,防止车辆在未预期的方向上移动到目标位置或移动轨迹上的移动方向反转位置。 当通过自动转向控制将车辆从起始位置移动到运动方向反转位置以达到目标位置时,沿着先前存储的运动轨迹移动车辆,从而完成自动转向控制,则驾驶员进一步移动 车辆从目标位置向后退到停车位置。 此时,如果驾驶员从方向盘释放他或她的手,并且由于诸如路面起伏等外部干扰,车辆的移动过程受到干扰,则保持车轮的转向角度 使得其不会在目标位置处的转向角度变化。 此外,即使车辆已经移动到超过移动方向反转位置的位置,车轮的转向角也保持在移动方向反转位置处的转向角。