Compact low-power high-sensitivity angle sensor

N.A. Lockerbie; N.J. McDonald; R.G. Weston

doi:10.1063/1.1669120

Compact low-power high-sensitivity angle sensor

N.A. Lockerbie, N.J. McDonald, R.G. Weston

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We present the design of a compact battery-powered optical angle sensor, together with the first results obtained using the prototype measuring system. The output of the sensor is proportional to cos 2 over a full 360°, where is the (possibly static) angle of rotation from a designated zero orientation. Over the more limited range of approximately ±20° the measured angular sensitivity is in excess of 70 mV/°, corresponding to an angular resolution of ±0.01°. Although the cos 2 dependency was created in order to meet the requirements of a dynamical quadrupole measuring instrument, this sensor could be useful in applications which require a highly sensitive, yet compact, contactless, measurement of rotation, over (say) ±20°.

Original language	English
Pages (from-to)	988-995
Number of pages	7
Journal	Review of Scientific Instruments
Volume	75
Issue number	4
DOIs	https://doi.org/10.1063/1.1669120
Publication status	Published - Apr 2004

Keywords

optical angle sensor
dynamical quadrupole
instruments and instrumentation
applied physics

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10.1063/1.1669120

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AU - Weston, R.G.

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N2 - We present the design of a compact battery-powered optical angle sensor, together with the first results obtained using the prototype measuring system. The output of the sensor is proportional to cos 2 over a full 360°, where is the (possibly static) angle of rotation from a designated zero orientation. Over the more limited range of approximately ±20° the measured angular sensitivity is in excess of 70 mV/°, corresponding to an angular resolution of ±0.01°. Although the cos 2 dependency was created in order to meet the requirements of a dynamical quadrupole measuring instrument, this sensor could be useful in applications which require a highly sensitive, yet compact, contactless, measurement of rotation, over (say) ±20°.

AB - We present the design of a compact battery-powered optical angle sensor, together with the first results obtained using the prototype measuring system. The output of the sensor is proportional to cos 2 over a full 360°, where is the (possibly static) angle of rotation from a designated zero orientation. Over the more limited range of approximately ±20° the measured angular sensitivity is in excess of 70 mV/°, corresponding to an angular resolution of ±0.01°. Although the cos 2 dependency was created in order to meet the requirements of a dynamical quadrupole measuring instrument, this sensor could be useful in applications which require a highly sensitive, yet compact, contactless, measurement of rotation, over (say) ±20°.

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KW - dynamical quadrupole

KW - instruments and instrumentation

KW - applied physics

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JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 4

ER -

Compact low-power high-sensitivity angle sensor

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