Direct rotation-rate detection with a fibre-optic gyro by using digital data processing

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Direct rotation-rate detection with a fibre-optic gyro by using digital data processing

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By using digital processing, the dynamic range of gyros with direct rotation-rate detection is no longer restricted. The linearity error is less than ±1% within a rotation range of 300 to 200000/h.

Inspec keywords: computerised instrumentation; fibre optics; gyroscopes; nonelectric sensing devices; angular velocity measurement

Other keywords: Sagnac-phase effect; linearity error; computerised instrumentation; nonelectric sensing devices; angular velocity measurement; dynamic range; fibre-optic gyro; digital data processing; direct rotation-rate detection

Subjects: Fibre optic sensors; Fibre optics and fibre waveguides; Velocity, acceleration and rotation measurement; Sensing devices and transducers; Velocity, acceleration and rotation measurement; Data gathering, processing, and recording, data displays including digital techniques; Computerised instrumentation; Fibre optics; Control engineering computing; Control of physical instruments; Sensing and detecting devices

References

    1. 1)
      • R. Ulrich . Fiber-optic rotattion sensing with low drift. Opt. Lett. , 173 - 175
    2. 2)
      • Bòhm, K., Marten, P., Petermann, K., Weidel, E.: `Fibre optic rotation sensor with low drift', Gyro Symposium, September 1981, Stuttgart.
    3. 3)
      • S. Ezekiel , H.J. Arditty . (1981) , Fiber-optic rotation sensors and related technologies.
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