System and Method for Determining Motion
First Claim
1. A method of generating model motion data representing the predicted motion of a physical system based on sensed motion data from one or more motion sensors within the physical system, comprising:
- generating a stream of model motion data representing the predicted motion of the physical system based on a dynamic motion model of the physical system which comprises initial estimates of system parameters;
receiving a stream of sensed motion data representing the measured motion within the physical system as sensed by the one or more motion sensors within the physical system;
optimizing the system parameters of the dynamic motion model based on processing of the streams of model motion data and sensed motion data; and
outputting the model motion data from the dynamic motion model based on the optimized system parameters.
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Abstract
A method of generating model motion data representing the predicted motion of a physical system based on sensed motion data from one or more motion sensors within the physical system. The method generates a stream of model motion data representing the predicted motion of the physical system based on a dynamic motion model of the physical system based on initial estimates of system parameters. The method then optimizes the system parameters of the dynamic motion model based on processing of the streams of model motion data and sensed motion data from one or more motion sensors within the physical system.
29 Citations
20 Claims
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1. A method of generating model motion data representing the predicted motion of a physical system based on sensed motion data from one or more motion sensors within the physical system, comprising:
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generating a stream of model motion data representing the predicted motion of the physical system based on a dynamic motion model of the physical system which comprises initial estimates of system parameters; receiving a stream of sensed motion data representing the measured motion within the physical system as sensed by the one or more motion sensors within the physical system; optimizing the system parameters of the dynamic motion model based on processing of the streams of model motion data and sensed motion data; and outputting the model motion data from the dynamic motion model based on the optimized system parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A motion assessment system for generating model motion data representing the predicted motion within a physical system, comprising:
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a dynamic motion model sub-system that is configured to generate a stream of model motion data representing the predicted motion of the physical system based on a dynamic motion model of the physical system, the dynamic motion model being configured by model configuration data defining the dynamic motion model of the physical system being assessed and initial estimates of model system parameters; one or more motion sensors within the physical system that are configured to measure motion within the physical system and generate a stream of sensed motion data representing the measured motion; and an optimization sub-system configured to receive and process the streams of model motion data and sensed motion data so as to optimize the model system parameters of the dynamic motion model to improve the accuracy of the model motion data. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A motion modeling device for modeling the motion of a physical system, comprising:
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an input interface configured to receive a stream of sensed motion data from one or more motion sensors within the physical system that are configured to sense motion within the physical system; a signal processor configured to generate a stream of model motion data representing the predicted motion within the physical system based on a dynamic motion model of the physical system, the dynamic motion model being configured by stored model configuration data defining the dynamic motion model of the physical system and stored initial estimates of system parameters within the dynamic motion model, the signal processor being configured to update the system parameters of the dynamic motion model with optimized system parameters generated based on processing of the streams of model motion data and sensed motion data; memory configured to store system data used and processed by the signal processor; and an output interface configured to output the model motion data. - View Dependent Claims (19, 20)
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Specification