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    • 1. 发明授权
    • Coordinate measuring apparatus and method for controlling the same
    • 坐标测量装置及其控制方法
    • US5966681A
    • 1999-10-12
    • US993990
    • 1997-12-18
    • Ralf BernhardtOtto RuckGunter Grupp
    • Ralf BernhardtOtto RuckGunter Grupp
    • G01B5/20G01B3/00G01B5/008G01B21/00G05B19/401G01B5/012G05B19/19
    • G01B3/008G01B5/008G05B19/401
    • The invention is directed to a method which is provided for controlling coordinate measuring apparatus wherein a probe head (2) is moved and has a movably attached probe unit (24) attached thereto. The probe unit (24) is charged with a measurement force Fmeas relative to the probe head (2). The measurement force Fmeas operates against the mass inertial forces Fzp which occur because of acceleration of the probe. The measurement force Fmeas is comprised of a desired measurement force Fdes and a corrective measurement force Fcorr. The desired measurement force Fdes is constant in magnitude and is directed perpendicularly to the surface of the workpiece (15) to be measured. The corrective measurement force Fcorr at least partially compensates for the mass inertial forces (Ftr, Fzp) which occur because of the acceleration of the probe unit (24).
    • 本发明涉及一种用于控制坐标测量装置的方法,其中探针头(2)移动并具有附接到其上的可移动连接的探针单元(24)。 探头单元(24)相对于探针头(2)充有测量力+ E,rar F + EE meas。 测量力+ E,rar F + EE meas抵抗由于探头的加速度而发生的质量惯性力+ E,rar F + EE zp。 测量力+ E,rar F + EE meas由期望的测量力+ E,rar F + EE des和校正测量力+ E,rar F + EE corr组成。 期望的测量力+ E,rar F + EE des在大小上是恒定的,并且垂直于待测量的工件(15)的表面。 校正测量力+ E,rar F + EE corr至少部分地补偿由于探头单元的加速度而发生的质量惯性力(+ E,rar F + EE tr,+ E,rar F + EE zp) (24)。
    • 2. 发明申请
    • Reliable Monitoring of the Speed in Coordinate Measuring Appliances
    • 可靠的监测坐标测量设备的速度
    • US20090026995A1
    • 2009-01-29
    • US12280625
    • 2007-02-16
    • Peter UhlGunter GruppThomas Maier
    • Peter UhlGunter GruppThomas Maier
    • G05B23/02
    • G01B21/04G05B2219/42318
    • In a method for reliably monitoring the speed of a moveable coordinate measuring device, a first value of the speed is calculated from measured values of the coordinate measurement system. The measured values contain information on positions of the coordinate measuring device. The measured values are further used to determine the coordinates of a measurement object. A second value of the speed is ascertained from measurement signals of at least one additional movement sensor. The measurement signals can also be used for controlling a drive device of the coordinate measuring device. A fault signal can be generated if the first value and/or the second value deviate from one another, from a predetermined value and/or a limit value according to a predefined criterion.
    • 在可靠地监视可移动坐标测量装置的速度的方法中,根据坐标测量系统的测量值来计算速度的第一值。 测量值包含关于坐标测量装置位置的信息。 测量值进一步用于确定测量对象的坐标。 速度的第二值由至少一个额外的运动传感器的测量信号确定。 测量信号也可用于控制坐标测量装置的驱动装置。 如果第一值和/或第二值根据预定标准从预定值和/或极限值彼此偏离,则可以产生故障信号。
    • 4. 发明申请
    • Coordinate Measuring Machine and Method for Operating a Coordinate Measuring Machine
    • 坐标测量机及坐标测量机操作方法
    • US20080295349A1
    • 2008-12-04
    • US12173046
    • 2008-07-15
    • Peter UhlThomas MaierGunter Grupp
    • Peter UhlThomas MaierGunter Grupp
    • G01B5/008
    • G01B5/008G01B21/047
    • In a method for operating a coordinate measuring machine and to a coordinate measuring machine, a coordinate measuring device, of the coordinate measuring machine is moved in at least one direction while being driven by an electric motor. An electrical drive current which flows through the electric motor for moving the electric motor and, move the coordinate measuring device is measured. A limit value for the electrical drive current is determined on the basis of a desired speed and/or on the basis of a desired acceleration with which the electric motor or the coordinate measuring device is intended to move. If the electrical drive current reaches the limit value determined and/or if the electrical drive current exceeds the limit value determined, the coordinate measuring device is changed to a predefined state, by virtue of the computer or the microcontroller switching off one of the switches disposed in the current path.
    • 在用于操作坐标测量机和坐标测量机的方法中,坐标测量机的坐标测量装置在由电动机驱动的同时沿至少一个方向移动。 测量流过用于移动电动机的电动机和移动坐标测量装置的电驱动电流。 基于期望速度和/或基于电动机或坐标测量装置旨在移动的期望加速度来确定电驱动电流的极限值。 如果电驱动电流达到所确定的极限值,和/或如果电驱动电流超过确定的极限值,则坐标测量装置由于计算机或微控制器关闭所设置的开关之一而改变到预定状态 在当前的路径。
    • 5. 发明授权
    • Coordinate measuring apparatus wherein the measuring time is optimized
    • 坐标测量装置,其中测量时间被优化
    • US5764540A
    • 1998-06-09
    • US790592
    • 1997-01-29
    • Gunter GruppRalf BernhardtOtto RuckBerndt KammleiterWolfgang Wiedmann
    • Gunter GruppRalf BernhardtOtto RuckBerndt KammleiterWolfgang Wiedmann
    • G01B21/04G06F19/00
    • G01B21/045
    • A coordinate measuring apparatus for measuring a workpiece with a probe head having a probe element for contacting the workpiece. The coordinate measuring apparatus includes: a plurality of sensors with each sensor supplying a signal indicative of a coordinate measurement position and a processing unit. An interface device between the plurality of sensors and the processing unit receives the signals and supplies a plurality of output signals to the processing unit representing respective position measurement values at any given instant of time. The processing unit includes at least one smoothing function block for continuously receiving a portion of the position measurement values. The smoothing function block is adapted to determine a final position measurement value (X.sub.E, Y.sub.E, Z.sub.E or R.sub.E) of the contact point of the probe element on the workpiece in a defined standstill of the apparatus by averaging a defined number of the received position measurement values to form a mean value. The processing unit further includes a function block for triggering the averaging before the apparatus reaches standstill and continuing the averaging until standstill is determined.
    • 一种用于使用具有用于接触工件的探针元件的探针头来测量工件的坐标测量装置。 坐标测量装置包括:多个传感器,每个传感器提供指示坐标测量位置的信号和处理单元。 多个传感器和处理单元之间的接口装置接收信号并将多个输出信号提供给处理单元,该处理单元在任何给定的时刻表示相应的位置测量值。 处理单元包括用于连续接收位置测量值的一部分的至少一个平滑功能块。 平滑功能块适于通过平均定义数量的接收位置测量值来确定探测元件在工件上的接触点在设备的限定静止中的最终位置测量值(XE,YE,ZE或RE) 值以形成平均值。 处理单元还包括用于在设备达到停止之前触发平均的功能块,并且继续平均,直到确定静止。
    • 9. 发明授权
    • Method for correcting coordinate measurement on workpieces based on
bending characteristics
    • 基于弯曲特性校正工件坐标测量的方法
    • US5594668A
    • 1997-01-14
    • US454461
    • 1995-05-30
    • Ralf BernhardtGunter Grupp
    • Ralf BernhardtGunter Grupp
    • G01B21/04G06F15/46
    • G01B21/045
    • Measured position data (Px, Py, Pz) are combined with stored correction values (DB) describing the elastic bending behavior of a coordinate measuring machine in that parameters characterizing the bending behavior are determined for several positions of the probe of the machine within the measuring range (30) of the machine, the acceleration-dependent components of these parameters are determined and stored in the form of correction values (c11, c22) which describe the bending behavior of the coordinate measuring machine as a function of the position (Px, Py, Pz) of measuring slides (22, 23, 24), and at least of the acceleration (ax, ay, az) of the measuring slides introduced via the drives, the correction values being combined with measured position data (Px, Py, Pz) of the coordinate measuring machine in subsequent coordinate measurements on workpieces.
    • 将测量位置数据(Px,Py,Pz)与描述坐标测量机的弹性弯曲特性的存储校正值(DB)组合在一起,在测量中测量机器的探针的几个位置来确定表征弯曲行为的参数 (30),这些参数的加速度相关分量被确定并以修正值(c11,c22)的形式存储,该修正值描述作为位置函数的坐标测量机的弯曲行为(Px, 测量滑块(22,23,24)的至少一个加速度(ax,ay,az),校正值与测量位置数据(Px,Py)相结合 ,Pz)在随后的工件坐标测量中。