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    • 5. 发明授权
    • Method and apparatus for estimating error in multi-axis controlled machine
    • 多轴控制机器误差估计方法及装置
    • US08700369B2
    • 2014-04-15
    • US12769178
    • 2010-04-28
    • Seung-Han YangDong-Mok LeeSung-Hwan Kweon
    • Seung-Han YangDong-Mok LeeSung-Hwan Kweon
    • G06G7/48G06F17/16G01C17/38G05B13/04G06F19/00
    • G06F17/10G06G7/48
    • A method and apparatus for estimating error in a multi-axis controlled machine is applicable to any type of machine configuration in order to estimate and confirm in advance the final position and the posture of the machine, which are produced when geometric errors of the machine are synthesized. The method includes defining the structure of the multi-axis controlled machine subjected to error estimation; and defining parameters, which represent behaviors of drive axes having geometric error and relationships between the drive axes according to the defined structure of the multi-axis controlled machine, adding the defined parameters by applying the parameters to a generalized error synthesis model, and generating an error synthesis model of the multi-axis controlled machine by applying a result of parametric modeling in response to a result of the adding.
    • 用于估计多轴控制机器中的误差的方法和装置适用于任何类型的机器配置,以便预先估计和确认机器的最终位置和姿势,这是当机器的几何误差为 合成。 该方法包括定义进行误差估计的多轴受控机器的结构; 并且根据多轴受控机器的定义的结构定义表示具有几何误差的驱动轴和驱动轴之间的关系的参数的参数,通过将参数应用于广义误差合成模型来增加所定义的参数,并且生成 通过应用参数建模的结果来响应加法的结果,多轴受控机器的误差合成模型。
    • 7. 发明申请
    • Method for Estimating Geometric Error Between Linear Axis and Rotary Axis in a Multi-Axis Machine Tool
    • 用于估计多轴机床中直线轴和旋转轴之间的几何误差的方法
    • US20110178782A1
    • 2011-07-21
    • US12769285
    • 2010-04-28
    • Seung-Han YangDong-Mok LeeKwang-II LeeZankun Zhu
    • Seung-Han YangDong-Mok LeeKwang-II LeeZankun Zhu
    • G06F17/10
    • G01B21/042
    • A method of estimating a geometric error between a linear axis and a rotary axis in a multi-axis machine tool is provided, the method including creating a circular path under the control of one or more drive axes and measuring a radial error of the circular path using a ball bar, defining the relationship between position-dependent geometric error parameters and position-independent geometric error parameters and measured data using an error synthesis model and an equation of a ball bar, defining a linear equation with unknown position-independent geometric error parameters by removing higher order terms of the position-dependent geometric error parameters and position-independent geometric error parameters, and obtaining the position-independent geometric error parameters through least squares from the linear equation.
    • 提供了一种在多轴机床中估计线性轴和旋转轴之间的几何误差的方法,该方法包括在一个或多个驱动轴的控制下创建圆形路径并测量圆形路径的径向误差 使用球杆,使用误差合成模型和球杆方程定义位置相关几何误差参数与位置无关几何误差参数之间的关系以及测量数据,定义具有未知位置无关几何误差参数的线性方程 通过去除位置相关几何误差参数和位置无关几何误差参数的高阶项,并通过线性方程的最小二乘法获得与位置无关的几何误差参数。
    • 9. 发明申请
    • Method and Apparatus for Estimating Error in Multi-Axis Controlled Machine
    • 多轴控制机器误差估算方法及装置
    • US20110218780A1
    • 2011-09-08
    • US12769178
    • 2010-04-28
    • Seung-Han YangDong-Mok LeeSung-Hwan Kweon
    • Seung-Han YangDong-Mok LeeSung-Hwan Kweon
    • G06F17/10G06G7/48
    • G06F17/10G06G7/48
    • A method and apparatus for estimating error in a multi-axis controlled machine is applicable to any type of machine configuration in order to estimate and confirm in advance the final position and the posture of the machine, which are produced when geometric errors of the machine are synthesized. The method includes defining the structure of the multi-axis controlled machine subjected to error estimation; and defining parameters, which represent behaviors of drive axes having geometric error and relationships between the drive axes according to the defined structure of the multi-axis controlled machine, adding the defined parameters by applying the parameters to a generalized error synthesis model, and generating an error synthesis model of the multi-axis controlled machine by applying a result of parametric modeling in response to a result of the adding.
    • 用于估计多轴控制机器中的误差的方法和装置适用于任何类型的机器配置,以便预先估计和确认机器的最终位置和姿势,这是当机器的几何误差为 合成。 该方法包括定义进行误差估计的多轴受控机器的结构; 并且根据多轴受控机器的定义的结构定义表示具有几何误差的驱动轴和驱动轴之间的关系的参数的参数,通过将参数应用于广义误差合成模型来添加所定义的参数,并且生成 通过应用参数建模的结果来响应加法的结果,多轴受控机器的误差合成模型。