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An EM Induction Hi-Speed Rotation Angular Rate Sensor.

Kai Li1,2, Yuan Li3, Yan Han4,5

  • 1Institute of Information Sensing and Processing Technology, North University of China, Taiyuan 030051, China. likai@nuc.edu.cn.

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Summary
This summary is machine-generated.

A novel electromagnetic induction angular rate sensor accurately measures high speeds from 1 to 100 rotations per second. This sensor technology advances real-time measurement for high-speed rotary objects.

Keywords:
EM inductionangular ratehigh rotational speedsensor

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Area of Science:

  • Electrical Engineering
  • Sensor Technology
  • Electromagnetism

Background:

  • Traditional angular rate sensors face challenges in measuring both low and high rotational speeds.
  • Electromagnetic induction principles offer potential for wide-range angular rate sensing.

Purpose of the Study:

  • To propose and design a high-speed rotation angular rate sensor utilizing electromagnetic induction.
  • To achieve accurate measurement across a wide range of angular rates, from low to high speeds.

Main Methods:

  • Developed an angular rate sensor based on electromagnetic induction principles.
  • Incorporated a zero-phase detection technique and magnetic induction coil feedback.
  • Validated sensor accuracy using simulation tests on a rotary table.

Main Results:

  • The sensor demonstrated capability to measure angular rates from 1 to 100 rotations per second (rps).
  • Achieved high accuracy with an error within 1.8‰ of the full scale (FS).
  • Successfully addressed the challenge of wide-range angular rate measurement.

Conclusions:

  • The proposed electromagnetic induction sensor is suitable for applications with widely varying rotation speeds.
  • This technology contributes to advancements in real-time sensors for angular acceleration, rate, and displacement of high-speed rotary objects.