Orientation estimation utilizing a plurality of adaptive filters
First Claim
1. An apparatus, comprising:
- an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer;
a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope;
a first adaptive filter, wherein the first adaptive filter receives the sensed acceleration and the sensed orientation of the gyroscope, and generates a first orientation (Q) of the apparatus;
a second adaptive filter, wherein the second adaptive filter receives the sensed acceleration and the sensed orientation of the gyroscope, and generates a second orientation (Q′
) of the apparatus;
whereina tuning for the first adaptive filter is different than a tuning for the second adaptive filter.
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Abstract
Apparatuses, methods and systems apparatus for sensing an orientation are disclosed. One apparatus includes an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer and a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope. The apparatus further includes a first adaptive filter, the first adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a first orientation (Q) of the apparatus, a second adaptive filter, the second adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a second orientation (Q′) of the apparatus, wherein a tuning for the first adaptive filter is different than a tuning for the second adaptive filter.
18 Citations
14 Claims
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1. An apparatus, comprising:
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an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer; a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope; a first adaptive filter, wherein the first adaptive filter receives the sensed acceleration and the sensed orientation of the gyroscope, and generates a first orientation (Q) of the apparatus; a second adaptive filter, wherein the second adaptive filter receives the sensed acceleration and the sensed orientation of the gyroscope, and generates a second orientation (Q′
) of the apparatus;
whereina tuning for the first adaptive filter is different than a tuning for the second adaptive filter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification