INERTIAL MEASUREMENT UNIT

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United States of America Patent

SERIAL NO

15424969

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Abstract

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An inertial measurement unit comprising at least one inertial sensor that is arranged to output an inertial measurement and a primary temperature sensor spatially associated with each inertial sensor that is arranged to output a temperature measurement, and a processor that receives the outputs; wherein the processor is arranged to differentiate the temperature measurement with respect to time so as to determine a temporal temperature gradient output. Existing temperature sensor(s) can be used to observe not only absolute temperature, but also thermal gradients, to further improve performance of the inertial measurement unit (IMU). This approach is distinct from the conventional calibration approach adopted for inertial sensors and IMUs in that the temperature sensor(s) in the device are used to determine temporal temperature gradients, in addition to a temperature output alone, one or both of which can be used for parametric compensation.

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Patent Owner(s)

Patent OwnerAddress
ATLANTIC INERTIAL SYSTEMS LIMITEDCLITTAFORD ROAD SOUTHWAY PLYMOUTH DEVON PL6 6DE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
GREGORY, Christopher M Plymouth, GB 1 1

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