System, method, and computer program product for predicting cruise orientation of an as-built airplane
First Claim
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1. A computer executable method for predicting cruise orientation of an as-built airplane, the method comprising:
- specifying a reference frame with respect to a factory element;
receiving data specifying an orientation of a portion of the as-built airplane based on physical measurements of the as-built airplane;
automatically computing a deviation of the orientation of the portion of the as-built airplane from the reference frame to produce a computed deviation;
predicting the cruise orientation of the as-built airplane based on the computed deviation; and
automatically determining orientation of an orientation monument for the as-built airplane from the predicted cruise orientation of the as-built airplane.
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Abstract
Illustrative computer-executable methods, systems, and computer software program products predict cruise orientation of an as-built airplane. In illustrative embodiments, nominal orientation of an as-built airplane is input. Deviation from the nominal orientation of the as-built airplane is automatically computed, and the computed deviation from the nominal orientation of the as-built airplane is applied to the nominal orientation of the as-built airplane.
76 Citations
25 Claims
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1. A computer executable method for predicting cruise orientation of an as-built airplane, the method comprising:
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specifying a reference frame with respect to a factory element; receiving data specifying an orientation of a portion of the as-built airplane based on physical measurements of the as-built airplane; automatically computing a deviation of the orientation of the portion of the as-built airplane from the reference frame to produce a computed deviation; predicting the cruise orientation of the as-built airplane based on the computed deviation; and automatically determining orientation of an orientation monument for the as-built airplane from the predicted cruise orientation of the as-built airplane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer executable method for predicting cruise orientation of an as-built airplane, the method comprising:
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specifying a reference frame with respect to a factory element; receiving data specifying an orientation of the as-built airplane based on physical measurements of the as-built airplane; formatting angular variation of at least one aerodynamically significant feature of the as-built airplane into an input vector, wherein the angular variation is associated with the orientation of the as-built airplane and with the reference frame; formatting a plurality of transformation factors that correlate a plurality of angular variations of aerodynamically significant features with angular offsets of components of the cruise orientation into a transformation matrix; multiplying the transformation matrix by the input vector to obtain an output vector with the angular offsets of the components of the cruise orientation; predicting the cruise orientation of the as-built airplane based on the output vector; and automatically determining orientation of an orientation monument for the as-built airplane from the predicted cruise orientation of the as-built airplane. - View Dependent Claims (10, 11, 12)
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13. A non-transitory computer-readable storage medium storing instructions executable by a computing system to predict cruise orientation of an as-built airplane, the non-transitory computer-readable storage medium comprising:
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a first set of instructions executable by the computing system to automatically compute a deviation, relative to a reference frame, of an orientation of at least one aerodynamically significant feature fixably joined to the as-built airplane, wherein the orientation is determined based on physical measurements of the as-built airplane and wherein the reference frame is specified with respect to a factory element; a second set of instructions executable by the computing system to predict the cruise orientation of the as-built airplane based on the computed deviation; and another set of instructions executable by the computing system to automatically determine orientation of an orientation monument for the as-built airplane from the predicted cruise orientation of the as-built airplane. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A computer-implemented method of predicting cruise orientation of an as-built airplane, the method comprising:
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automatically computing a deviation, relative to a reference frame, of an orientation of at least one fixed aerodynamically significant feature of the as-built airplane, wherein the orientation is determined based on physical measurements of the as-built airplane, wherein the reference frame is specified with respect to a factory element, and wherein the at least one fixed aerodynamically significant feature includes at least one of; a wing surface; a stabilizer surface; and a non-rotatably mounted engine; predicting the cruise orientation of the as-built airplane based on the computed deviation; and automatically determining orientation of an orientation monument for the as-built airplane from the predicted cruise orientation of the as-built airplane. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification