APPARATUS AND METHOD FOR EMPLOYING MINIATURE INERTIAL MEASUREMENT UNITS FOR DEDUCING FORCES AND MOMENTS ON BODIES
First Claim
1. An apparatus for analyzing movement of equipment, said apparatus comprising:
- an inertial measurement unit continuously measuring six rigid body degrees of freedom of the equipment and outputting data representative thereof, said inertial measurement unit having a planar substrate define a single common plane, said inertial measurement unit further comprising at least one angular rate gyro and at least one accelerometer sufficient to measure said six rigid body degrees of freedom and each being mounted on said single common plane; and
a processing unit determining the acceleration of a mass center of the equipment, an angular velocity and an angular acceleration of the equipment through a single derivative operation.
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Abstract
An apparatus for analyzing movement of equipment. The apparatus includes an inertial measurement unit continuously measuring six rigid body degrees of freedom of the equipment and outputting data representative thereof, wherein the inertial measurement unit defines a planar substrate having a single common plane. The inertial measurement unit further includes at least one angular rate gyro and at least one accelerometer sufficient to measure the six rigid body degrees of freedom and each being mounted on the single common plane. The apparatus further includes a processing unit determining the acceleration of the mass center of the equipment, the angular velocity and the angular acceleration of the equipment through a single derivative operation.
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Citations
16 Claims
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1. An apparatus for analyzing movement of equipment, said apparatus comprising:
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an inertial measurement unit continuously measuring six rigid body degrees of freedom of the equipment and outputting data representative thereof, said inertial measurement unit having a planar substrate define a single common plane, said inertial measurement unit further comprising at least one angular rate gyro and at least one accelerometer sufficient to measure said six rigid body degrees of freedom and each being mounted on said single common plane; and a processing unit determining the acceleration of a mass center of the equipment, an angular velocity and an angular acceleration of the equipment through a single derivative operation. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sporting apparatus comprising:
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a sports device; an inertial measurement unit continuously measuring six rigid body degrees of freedom of said sports device and outputting data representative thereof, said inertial measurement unit having a planar substrate define a single common plane, said inertial measurement unit further comprising at least one angular rate gyro and at least one accelerometer sufficient to measure said six rigid body degrees of freedom and each being mounted on said single common plane; and a processing unit determining the acceleration of a mass center of the equipment, an angular velocity and an angular acceleration of the equipment through a single derivative operation. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification