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    • 1. 发明授权
    • Method for measuring the absolute steering angle of steering shaft for vehicle using table
    • 车辆转向轴绝对转向角度测量方法
    • US06862551B1
    • 2005-03-01
    • US10748239
    • 2003-12-31
    • Chang-Won KangWan-Sub KimJong-Hwa Lee
    • Chang-Won KangWan-Sub KimJong-Hwa Lee
    • G01B21/22B62D15/02G01C9/00G01D5/04G01D5/244G01D5/245G06F15/00
    • B62D15/0245B62D15/0215G01D5/04G01D5/24409G01D5/2452
    • A method is provided for measuring an absolute steering angle of a steering shaft for a vehicle using a first rotatable body and a second rotatable body that rotate together with the steering shaft of the vehicle at a predetermined rotation ratio, respectively. The method includes organizing a table by matching a plurality of relative rotational angle pairs (Ψ′, θ′), where Ψ′ is a relative rotational angle of the first rotatable body, and θ′ is a relative rotational angle of the second rotatable body, with respective absolute steering angles, Φs, that correspond to each of the relative rotational angle pairs. The method also includes obtaining a ΨM′ value by measuring the relative rotational angle Ψ′ of the first rotatable body and obtaining a θM′ value by measuring the relative rotational angle θ′ of the second rotatable body, using at least an angle sensor having a measurement range of Ω. The method further includes obtaining an absolute steering angle Φ of the steering shaft corresponding to the measured relative rotational angle pair (ΨM′, θM′) by looking up information in the table.
    • 提供了一种用于分别使用第一可旋转体和第二可旋转体来测量车辆的转向轴的绝对转向角度的方法,所述第一旋转体和第二可旋转体分别以与所述车辆的转向轴一起旋转。 该方法包括通过匹配多个相对旋转角对(Psi',θ')来组织桌子,其中Psi'是第一可旋转体的相对旋转角度,θ'是第二可旋转体的相对旋转角度 ,具有对应于每个相对旋转角对的各绝对转向角Phis。 该方法还包括通过测量第一可旋转体的相对旋转角Psi'来获得PsiM值,并通过使用至少一个角度传感器测量第二旋转体的相对旋转角θ'来获得θM' 欧米茄的测量范围。 该方法还包括通过查看表中的信息来获得对应于所测量的相对旋转角对(PsiM',θM')的转向轴的绝对转向角Phi。
    • 2. 发明授权
    • Method for measuring the absolute steering angle of steering shaft for vehicle
    • 车辆转向轴绝对转向角测量方法
    • US07050895B2
    • 2006-05-23
    • US10748152
    • 2003-12-31
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • G06F19/00
    • B62D15/0215G01D5/04
    • An absolute steering angle of a steering shaft for a vehicle is measured using rotatable bodies that rotate together with the steering shaft at respective predetermined rotation ratios. A ΨM′ value is obtained by measuring a relative rotational angle Ψ′ of a first rotatable body and a θM′ value is obtained by measuring the relative rotational angle θ′ of a second rotatable body. θC's are obtained by calculating relative rotational angles θ's of the second rotatable body corresponding to the ΨM′ value, using the relation between Ψ′ and θ′. A frequency i-value of the first rotatable body is obtained by comparing the θCs to the θM′ value. An absolute steering angle Φ1 of the steering shaft is obtained based on the relation between absolute rotational angles Ψ and Φ, after Ψ is obtained using the i-value.
    • 使用与转向轴一起以各自的预定转动比旋转的旋转体来测量车辆用转向轴的绝对转向角。 通过测量第一可旋转体的相对旋转角度Psi'并且通过测量相对旋转角度θ'获得Psi 的第二可旋转体。 通过使用Psi'和theta'之间的关系,通过计算对应于Psi M M'值的第二可旋转体的相对旋转角θ而获得θθ。 第一可旋转体的频率i值通过将θθ与θθ'值进行比较来获得。 在使用i值获得Psi之后,基于绝对旋转角Psi和Phi之间的关系获得转向轴的绝对转向角Phi 1。
    • 3. 发明申请
    • METHOD FOR MEASURING THE ABSOLUTE STEERING ANGLE OF STEERING SHAFT FOR VEHICLE
    • 用于测量车辆转向轴绝对转向角的方法
    • US20050114075A1
    • 2005-05-26
    • US10748151
    • 2003-12-31
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • G01B21/22G01C9/00G01D5/245G06F15/00
    • G01D5/2452
    • A method is provided for measuring an absolute steering angle Φ of a steering shaft for a vehicle, using a first rotatable body that rotates together with the steering shaft of the vehicle at a predetermined rotation ratio. The method includes obtaining a ΨM′ value by measuring a relative rotational angle Ψ′ of the first rotatable body using an angle sensor having a measurement range of Ω. The method also includes obtaining a present value for a frequency i-value of the first rotatable body by comparing the present ΨM′ value to a previous ΨM′ value. The method also includes obtaining a present value for a absolute steering angle Φ1 of the steering shaft from a present value for an absolute rotational angle Ψ of the first rotatable body by using the ψM′ value and the present i-value.
    • 提供一种用于使用与车辆的转向轴一起以预定转速旋转的第一可旋转体来测量车辆的转向轴的绝对转向角Phi的方法。 该方法包括通过使用具有测量范围Ω的角度传感器来测量第一可旋转体的相对旋转角Psi'来获得Psi“M”值。 该方法还包括通过将当前的Psi< M>'值与先前的Psi< M>值进行比较来获得第一可旋转体的频率i值的当前值。 该方法还包括通过使用第一可旋转体的当前值和第一可旋转体的绝对转动角Psi的当前值来获得转向轴的绝对转向角Phi1的当前值 i值
    • 4. 发明授权
    • Method for measuring the absolute steering angle of steering shaft for vehicle
    • 车辆转向轴绝对转向角测量方法
    • US06941241B2
    • 2005-09-06
    • US10748151
    • 2003-12-31
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • G01B21/22G01C9/00G01D5/245G06F15/00
    • G01D5/2452
    • A method is provided for measuring an absolute steering angle Φ of a steering shaft for a vehicle, using a first rotatable body that rotates together with the steering shaft of the vehicle at a predetermined rotation ratio. The method includes obtaining a ΨM′ value by measuring a relative rotational angle Ψ′ of the first rotatable body using an angle sensor having a measurement range of Ω. The method also includes obtaining a present value for a frequency i-value of the first rotatable body by comparing the present ΨM′ value to a previous ΨM′ value. The method also includes obtaining a present value for a absolute steering angle Φ1 of the steering shaft from a present value for an absolute rotational angle Ψ of the first rotatable body by using the ΨM′ value and the present i-value.
    • 提供一种用于使用与车辆的转向轴一起以预定转速旋转的第一可旋转体来测量车辆的转向轴的绝对转向角Phi的方法。 该方法包括通过使用具有测量范围Ω的角度传感器来测量第一可旋转体的相对旋转角Psi'来获得Psi“M”值。 该方法还包括通过将当前的Psi< M>'值与先前的Psi< M>值进行比较来获得第一可旋转体的频率i值的当前值。 该方法还包括通过使用Psi< M>值和第一可旋转体的绝对转动角Psi的绝对转动角Psi的当前值来获得转向轴的绝对转向角Phi1的当前值 i值
    • 5. 发明申请
    • Method for measuring the absolute steering angle of steering shaft for vehicle
    • 车辆转向轴绝对转向角测量方法
    • US20050102078A1
    • 2005-05-12
    • US10748152
    • 2003-12-31
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • Jong-Hwa LeeWan-Sub KimChang-Won Kang
    • G01B21/22B62D15/02G01D5/04G06F19/00
    • B62D15/0215G01D5/04
    • A method for measuring a steering angle of a steering shaft for a vehicle uses a first rotatable body that rotates together with the steering shaft at an r1 ratio and a second rotatable body that rotates together with the steering shaft at an r2 ratio. An absolute rotational angle of the first rotatable body, Ψ, can be expressed as Ψ′+iΩ, and an absolute rotational angle of the second rotatable body, θ, can be expressed as θ′+iΩ. Ψ′ and θ′ are measured using an angle sensor having a measurement range of Ω. To obtain the steering angle Φ of the steering shaft, measurement values ΨM′ and for θM′ of Ψ′ and θ′ are obtained. A plurality of θ's corresponding to the ΨM′ value are calculated from a relation between Ψ′ and θ′ to yield a θC′. By comparing the θM′ to the θC′, an i-value of the first rotatable body is obtained. The obtained i-value is then used to obtain an absolute rotational angle Ψ of the first rotatable body. Finally, from a relation between Ψ and θ, the steering angle Φ of the steering shaft is obtained.
    • 用于测量车辆的转向轴的转向角的方法使用与转向轴一起旋转的第一可旋转体,以及与转向轴一起以r2比转动的第二可转动体。 第一可旋转体Psi的绝对旋转角度可以表示为Psi'+ iOmega,并且第二可旋转体的θ的绝对旋转角θ可以表示为θ'+ iOmega。 使用测量范围为Ω的角度传感器测量Psi'和θ'。 为了获得转向轴的转向角Phi,获得Psi'和θ'的测量值Psi'M'和θ'M''。 根据Psi'和θ'之间的关系计算对应于Psi'M''的多个θ,以产生θ'C'。 通过将θθ'与θC''进行比较,可获得第一可旋转体的i值。 然后使用所获得的i值来获得第一可旋转体的绝对旋转角Psi。 最后,通过Psi和θ之间的关系,获得转向轴的转向角Phi。