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    • 2. 发明授权
    • Device for ascertaining a rate of rotation
    • 用于确定旋转速率的装置
    • US5889193A
    • 1999-03-30
    • US875151
    • 1997-06-27
    • Georg PfaffRainer ErhardtJohannes ArtznerWolfram Bauer
    • Georg PfaffRainer ErhardtJohannes ArtznerWolfram Bauer
    • G01C19/5691G01C25/00G01P21/00
    • G01C19/5691G01C25/005
    • A rotation rate sensor is described that operates on the principle of a resonant vibration gyrometer and is excited by an amplitude-regulated oscillator loop. This sensor is used for instance to ascertain the yaw speed of a vehicle. The effect of Coriolis acceleration is evaluated, which is a measure for the current yaw speed. To monitor the operability of the sensor and the associated electronics, an integrated self-test function is used, which as a so-called BITE function introduces a defined interference variable after actuation of a test input. This defined interference variable leads to an estimatable output voltage, whose occurrence is evaluated for error detection.
    • PCT No.PCT / DE95 / 01796 Sec。 371日期:1997年6月27日 102(e)日期1997年6月27日PCT提交1995年12月15日PCT公布。 出版物WO96 / 21138 日期1996年7月11日描述了一种以共振振动陀螺仪为原理的旋转速率传感器,并被振幅调节振荡器激励。 例如,该传感器用于确定车辆的偏航速度。 评估科里奥利加速度的影响,这是目前的横摆速度的量度。 为了监测传感器和相关电子设备的可操作性,使用集成的自检功能,其作为所谓的BITE功能在激活测试输入之后引入定义的干扰变量。 该定义的干扰变量导致可估计的输出电压,其出现被评估用于错误检测。
    • 4. 发明授权
    • Device for determining a motion parameter with automatic scaling factor
correction
    • 用于利用自动缩放因子校正确定运动参数的装置
    • US5987984A
    • 1999-11-23
    • US38776
    • 1998-03-11
    • Johannes ArtznerWolfram Bauer
    • Johannes ArtznerWolfram Bauer
    • G01C19/5691G01C25/00G01D3/00G01D3/028G01D18/00G01P9/04
    • G01C19/5691G01C25/005G01D18/00
    • A device which determines a motion parameter with a sensor having a plurality of sensor elements coupled to one another, in which the motion parameter corresponds to a rotational speed. The device includes a starter loop for putting the sensor in a state of excitation via a starter signal via at least one of the sensor elements and for generating a sensor quantity, with the sensor quantity being a measure of a response of the sensor to the starter signal, and the starter signal having a substantially constant amplitude. A detector loop coupled to at least one of the sensor elements is also provided in the device for providing a measurement signal correlating with the motion parameter. The device further includes an analysis unit for providing an output voltage representing the motion parameter as a function of the measurement signal, a correction unit for keeping a substantially constant correlation between the output voltage and the motion parameter and for generating a correction signal as a function of the sensor quantity, and a multiplier providing the correction signal to the analysis unit.
    • 一种用传感器确定运动参数的装置,所述传感器具有彼此耦合的多个传感器元件,其中所述运动参数对应于转速。 该装置包括起动器回路,用于经由至少一个传感器元件经由起动器信号将传感器置于激励状态,并且用于产生传感器量,传感器量是传感器对起动器的响应的量度 信号和启动信号具有基本恒定的振幅。 耦合到至少一个传感器元件的检测器环路也设置在该装置中,用于提供与运动参数相关的测量信号。 该装置还包括分析单元,用于提供表示作为测量信号的函数的运动参数的输出电压;校正单元,用于在输出电压和运动参数之间保持基本上恒定的相关性,并用于产生作为函数的校正信号 以及向分析单元提供校正信号的乘法器。