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    • 3. 发明授权
    • Vehicle side slip angle estimation using dynamic blending and considering vehicle attitude information
    • 车辆侧滑角估计使用动态混合和考虑车辆姿态信息
    • US06671595B2
    • 2003-12-30
    • US10041246
    • 2002-01-08
    • Jianbo LuTodd Allen Brown
    • Jianbo LuTodd Allen Brown
    • B60T824
    • B60T8/17551B60T2230/02B60T2230/03B60W2520/20
    • A method and system (18) for determining a side slip angle for an automotive vehicle (10) includes various sensors such as a yaw rate sensor (28), a speed sensor (20), a lateral acceleration sensor (32), a roll rate sensor (34), a steering angle sensor (35), and a longitudinal acceleration sensor (36). Each of the sensors are coupled to a controller (26) that determines a side slip angle velocity in response to the sensor signals. The side slip angle velocity is compensated for due to gravity and vehicle attitude changes. Also, the side slip angle velocity is compensated for due to the non-linearity of the side slip angle. The side slip angle velocity is integrated, preferably with an anti-drift integration filter (to determine an integrated side slip angle). A steady state side slip angle is also determined based on the sensors such as the yaw rate sensor and the lateral acceleration sensor. The steady state side slip angle is filtered using a steady state recovery filter (74). The integrated side slip angle and the steady state side slip angle are combined to form a side slip angle estimate.
    • 用于确定机动车辆(10)的侧滑角的方法和系统(18)包括各种传感器,例如偏航率传感器(28),速度传感器(20),横向加速度传感器(32) 速率传感器(34),转向角传感器(35)和纵向加速度传感器(36)。 每个传感器耦合到控制器(26),该控制器响应于传感器信号确定侧滑角速度。 侧滑角速度由于重力和车辆姿态变化而被补偿。 另外,侧滑角速度由于侧滑角的非线性而被补偿。 侧滑角速度被积分,优选用防漂移积分滤波器(以确定集成的侧滑角)。 基于诸如横摆角速度传感器和横向加速度传感器的传感器也确定稳态侧滑角。 稳态侧滑角使用稳态回收过滤器(74)进行过滤。 组合的侧滑角和稳态侧滑角被组合以形成侧滑角估计。
    • 6. 发明授权
    • Model based brake pressure estimation
    • 基于型号的制动压力估计
    • US06508522B1
    • 2003-01-21
    • US10091677
    • 2002-03-05
    • Qingyuan LiQuan ZhengKeith W. Beyer
    • Qingyuan LiQuan ZhengKeith W. Beyer
    • B60T824
    • B60T13/662B60T8/48
    • A method and apparatus are provided for estimating brake pressure in a disk brake caliper, on the basis of a simplified mathematical model. The simplified model is limited to operating conditions in which the caliper piston is holding the brake pads in contact with the rotor, wherein higher order terms and certain fluid dependent terms of the model can be eliminated, thereby simplifying the model to the point that it can be readily used in an effective and efficient manner for estimating fluid pressure in the cylinder of the caliper. The displacement of the piston is estimated while the piston is holding the brake pad in contact with the rotor, as a function of an exchange of fluid between the pressure source and the cylinder. The brake pressure in the cylinder is determined as a function of the displacement of the piston while the piston is holding the brake pad in contact with the rotor. The exchange of fluid between the cylinder and pressure source is estimated as a function of a difference in pressure between the cylinder and the source.
    • 提供了一种基于简化的数学模型来估计盘式制动钳中的制动压力的方法和装置。 简化的模型限于操作条件,其中卡钳活塞将制动片保持在与转子接触的位置,其中可以消除模型的高阶项和某些与液体相关的项,从而将模型简化到可以 容易地以有效和有效的方式用于估计卡尺的圆筒中的流体压力。 在活塞将转子保持在与转子接触的状态下,估计活塞的位移作为压力源与气缸之间的流体交换的函数。 气缸中的制动压力作为活塞的位移的函数确定,同时活塞将制动衬块保持在与转子接触的状态。 气缸和压力源之间的流体交换被估计为气缸和源之间的压力差的函数。
    • 7. 发明授权
    • Vehicle driving condition detection device
    • 车辆行驶状况检测装置
    • US06374172B1
    • 2002-04-16
    • US09684923
    • 2000-10-10
    • Hiroyuki YamaguchiKatsuhiro AsanoYasushi AmanoKenji TozuAkitaka Nishio
    • Hiroyuki YamaguchiKatsuhiro AsanoYasushi AmanoKenji TozuAkitaka Nishio
    • B60T824
    • B60W40/103B60T8/172B60T2210/22B60T2230/02B60W30/18172B60W2050/0028B60W2550/12B60W2550/142B62D6/04G01L5/20
    • A vehicle driving condition detection device is adapted to detect a vehicle running along a banked or laterally sloping road, as well as a lateral acceleration, and sideslip angle with good accuracy. The sideslip angle is estimated at a vehicle-body sideslip angle estimating circuit based on a steering angle &dgr;f, a lateral acceleration ÿ, a yaw rate {dot over (&thgr;)}, and a vehicle speed V. In addition, using a differentiating device, the estimated sideslip angle is differentiated to calculate a slip angular velocity. A subtracting device is provided at which a deviation is calculated between the slip angular velocity and a slip angular velocity detected at a slip angular velocity calculating circuit. The deviation can detect a banked or laterally sloping road due to the fact that the detected slip angular velocity at the slip angular velocity calculating circuit includes the gravity acceleration component that depends on the slope or bank of the road. Upon detecting a banked or sloping road, a deviation &Dgr;ÿ (={dot over (&thgr;)}·V−ÿ) is outputted from a switching device, and at a subtracting device the detected lateral acceleration ÿ is corrected by being subtracted with the deviation &Dgr;ÿ. On the basis of the resultant or corrected lateral acceleration ÿ, the vehicle-body sideslip angle is estimated. Such an estimation is made irrespective of the slope or bank of the road.
    • 车辆驾驶状况检测装置适用于检测沿着横向倾斜的道路行驶的车辆以及横向加速度和高精度的侧滑角。 在基于转向角增量,横向加速度ÿ,偏航率{点(θ))和车速V的车身侧滑角估计电路估计侧滑角。另外,使用微分装置 ,估计的侧滑角被差分以计算滑移角速度。 提供一种减法装置,在该减法装置中计算滑移角速度与在滑动角速度计算电路处检测到的滑移角速度之间的偏差。 由于在滑移角速度计算电路处检测到的滑动角速度包括取决于道路的坡度或堤岸的重力加速度分量,偏差可以检测堤岸或横向倾斜的道路。 在检测到一条倾斜的道路时,从切换装置输出偏差DELTAÿ(= {dot over(θ)} V-ÿ),在减法装置中,通过用偏差减去检测到的横向加速度ÿ DELTAÿ。 基于所得到的或校正的横向加速度is,估计车身侧滑角度。 无论道路的坡度还是堤岸,都做出这样的估计。
    • 10. 发明授权
    • Brake hydraulic control device for use in vehicle
    • 用于车辆的制动液压控制装置
    • US06280006B1
    • 2001-08-28
    • US09357662
    • 1999-07-20
    • Masashi KobayashiRyouji Yamazaki
    • Masashi KobayashiRyouji Yamazaki
    • B60T824
    • B60T8/4872B60T8/348B60T8/363B60T8/4275
    • A brake hydraulic control device for use in a vehicle, includes: a master cylinder with a first reservoir attached thereto; a second reservoir different from the first reservoir; a drive wheel control valve unit switching communication and cut-off between a drive wheel brake and the master cylinder as well as communication and cut-off between the drive wheel brake and the second reservoir; a driven wheel control valve unit switching communication and cut-off between a driven wheel brake and the master cylinder as well as communication and cut-off between the driven wheel brake and the second reservoir; and a pump having a discharge port connected between the drive wheel control valve unit and the drive wheel brake, and a suction port connected to the master cylinder through an open/close switch valve and to the said second reservoir.
    • 一种用于车辆的制动液压控制装置,包括:主缸,其具有附接到其上的第一储存器; 与第一储存器不同的第二储存器; 驱动轮控制阀单元切换驱动轮制动器和主缸之间的连通和切断以及驱动轮制动器和第二储存器之间的连通和切断; 驱动轮控制阀单元切换从动轮制动器和主缸之间的连通和切断以及从动轮制动器和第二储存器之间的连通和切断; 以及泵,其具有连接在所述驱动轮控制阀单元和所述驱动轮制动器之间的排出口,以及通过打开/关闭开关阀连接到所述主缸的吸入口和所述第二储存器。