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    • 6. 发明授权
    • Determination method for a position signal
    • 位置信号的确定方法
    • US07457713B2
    • 2008-11-25
    • US11660007
    • 2005-07-28
    • Roland FinklerHans-Georg Köpken
    • Roland FinklerHans-Georg Köpken
    • G06F19/00G21C17/00
    • G01D5/24495G01D5/2448
    • Two sensors scan a measuring scale, which can be displaced in relation to the sensors and comprises a plurality of equidistant measuring gradation, and deliver corresponding measuring signals. The measuring signals are periodic during a uniform relative displacement of the measuring scale, essentially sinusoidal and essentially phase-shifted by 90° in relation to one another. They have an essentially identical amplitude and a base frequency that corresponds to the relative displacement of the measuring scale. During a delivery period of measuring signals, the measuring scale carries out a relative displacement through one measuring gradation. Corrected signals are determined from the measuring signals using correction values. A signal of the position of the measuring scale in relation to the sensors is determined in turn using said correction signals. Fourier coefficients are determined in relation to the base frequency for the corrected signals or for at least one supplementary signal that is derived from the corrected signals, said coefficients being used in turn to update the correction values. Said correction values contain two shift correction values at least one amplitude correction value and at least one phase correction value for the measuring signals, or part of said values, in addition to at least one correction value for at least one higher frequency wave of the measuring signals.
    • 两个传感器扫描测量刻度,其可以相对于传感器移位,并且包括多个等距的测量等级,并传送相应的测量信号。 在测量刻度的均匀相对位移期间,测量信号是周期性的,基本上是正弦的,并且相对于彼此基本相移90°。 它们具有与测量刻度的相对位移对应的基本相同的振幅和基频。 在测量信号的传送期间,测量刻度通过一个测量等级进行相对位移。 使用校正值从测量信号确定校正的信号。 依次使用所述校正信号确定测量刻度相对于传感器的位置的信号。 相对于校正信号的基本频率或从校正信号导出的至少一个补充信号确定傅立叶系数,所述系数依次用于更新校正值。 所述校正值除了测量的至少一个较高频率波的至少一个校正值之外还包含用于测量信号或所述值的一部分的至少一个振幅校正值和至少一个相位校正值的两个移位校正值 信号。
    • 8. 发明授权
    • Electric machine
    • 电机
    • US09013196B2
    • 2015-04-21
    • US13610449
    • 2012-09-11
    • Roland Finkler
    • Roland Finkler
    • G01R27/26G01B7/14H02K11/00G01D5/24H02K41/02
    • G01B7/14G01D5/24H02K11/21H02K41/02
    • An electric machine includes a first active part, which has a plurality of active part segments disposed one behind the other in a direction of movement of the electric machine, with each of the active part segments including a position measuring device, and a second active part with a measuring device for identifying the respective position measuring device. Each position measuring device has at least one position measuring unit having a dielectric constant, wherein the dielectric constant of the position measuring unit in one of the active part segments is different than the dielectric constant in an adjacent one of the active part segments. The measuring device includes at least one measuring unit to determine the dielectric constant of the position measuring units.
    • 一种电动机包括:第一有源部,其具有在电机的移动方向上一个接一个地设置的多个有源部分段,每个有源部分段包括位置测量装置和第二有源部分 具有用于识别各个位置测量装置的测量装置。 每个位置测量装置具有至少一个具有介电常数的位置测量单元,其中一个有源部分段中的位置测量单元的介电常数不同于相邻一个有源部分段中的介电常数。 测量装置包括至少一个测量单元,用于确定位置测量单元的介电常数。
    • 9. 发明申请
    • MEASUREMENT ARRANGEMENT HAVING A MONITORED MEASUREMENT UNIT AND HAVING A CONTROL UNIT FOR CONTROLLING A MACHINE
    • 具有监测测量单位的测量装置并具有用于控制机器的控制单元
    • US20090319229A1
    • 2009-12-24
    • US12375584
    • 2008-04-30
    • Roland Finkler
    • Roland Finkler
    • G06F15/00
    • G01D5/2448G01D3/08G01D5/24461G01D18/00G01D21/00
    • A measuring arrangement includes a measuring unit for detecting an operating variable of a machine, and a control unit connected to the measuring unit by a bi-directional digital data connection to control the machine. The measuring unit has a sensor for detecting an analog measuring signal for the operating variable, an evaluation unit for digitalizing and evaluating the analog measuring signal, and a monitoring unit for checking the threshold value of the analog measuring signal. The data connection transmits digital measuring or monitoring information determined by the evaluation unit and the monitoring unit, from the measuring unit to the control unit, and transmits a digital control command for initiating a self-test of the monitoring unit, from the control unit to the measuring unit. A modification system provides targeted amplifying or damping of the analog measuring signal supplied as a test signal during the self-test of the monitoring unit.
    • 测量装置包括用于检测机器的操作变量的测量单元和通过双向数字数据连接连接到测量单元以控制机器的控制单元。 测量单元具有用于检测操作变量的模拟测量信号的传感器,用于数字化和评估模拟测量信号的评估单元,以及用于检查模拟测量信号的阈值的监视单元。 数据连接将由评估单元和监视单元确定的数字测量或监视信息从测量单元发送到控制单元,并且从控制单元发送用于启动监视单元的自检的数字控制命令, 测量单元。 在监视单元的自检期间,修改系统提供作为测试信号提供的模拟测量信号的目标放大或阻尼。
    • 10. 发明申请
    • MEASUREMENT SYSTEM AND METHOD FOR MONITORING THE MEASUREMENT SYSTEM
    • 测量系统和监测系统的方法
    • US20090192747A1
    • 2009-07-30
    • US12355293
    • 2009-01-16
    • Roland Finkler
    • Roland Finkler
    • G06F19/00
    • G01D3/08G01D5/245
    • In a method for monitoring a measurement system having a transmitter which determines the position of a moveable element and has a transmitter clock, and an electrical energy store which, in the event of a failure of an external electrical supply voltage (for the transmitter, continues to supply electrical power to at least a part of the transmitter, including the transmitter clock. After the external electrical supply voltage has been restored, the clock time of the transmitter clock is compared with a clock time of an external clock, and an incorrectly determined position is identified on the basis of the comparison of the clock times.
    • 在用于监视具有确定可移动元件的位置并具有发射机时钟的发射器的测量系统的方法中,以及在外部电源电压(对于发射机)继续发生的情况下的电能存储器 向发射机的至少一部分提供电力,包括发射机时钟,外部电源电压恢复后,将发射机时钟的时钟时间与外部时钟的时钟时间进行比较,并将其错误地确定 基于时钟时间的比较来确定位置。