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A Low Cost Angular Rate Sensor for Automotive Applications in Surface Micromachining Technology

机译:用于表面微加工技术的汽车应用的低成本角速率传感器

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摘要

A second generation angular rate sensor suitable for high volume production is presented. The sensor consists of an electrostatically driven oscillating disk, which reacts - due to the conservation law for angular momenturns - with a tilt movement when an angular rate is applied. This tilt movement is detected capacitively by electrodes on the substrate underneath the oscillating disk. The sensor element is manufactured by using a standard surface micromachining process. The signal evaluation is realised in a switched capacitor technique. The PLCC44-packaged sensor provides a self test function and may be calibrated to a customer specific sensitivity (currently 7 mV/°/sec for a +/-250 °/sec Full Scale measurement range). The sensor is designed for automotive applications, especially for rollover sensing.
机译:提出了适合大批量生产的第二代角速度传感器。该传感器由静电驱动的振动盘组成,由于角矩的守恒定律,该振动盘在施加角速度时会发生倾斜运动。该倾斜运动由振动盘下方基板上的电极电容性检测。通过使用标准的表面微加工工艺来制造传感器元件。信号评估是通过开关电容器技术实现的。封装有PLCC44的传感器提供自检功能,并且可以根据客户特定的灵敏度进行校准(当前在+/- 250°/ sec满量程测量范围内为7 mV /°/ sec)。该传感器专为汽车应用而设计,特别是用于侧翻感应。

著录项

  • 来源
    《》|1999年|239-250|共12页
  • 会议地点 Berlin(DE)
  • 作者单位

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubinger Str. 123, 72703 Reutlingen;

    Robert Bosch GmbH, Departments K8/STZ, K8/EIC, Tubing;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自动化系统理论;
  • 关键词

    angular rate sensor; surface micromachining; rollover sensing;

    机译:角速率传感器;表面微加工;翻滚感应;
  • 入库时间 2022-08-26 14:30:35

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