Assembly Task Verification System and Method
First Claim
1. An assembly task verification system (ATVS), said system comprising:
- a work cell within a localized environment, the work cell utilized for assembling a structure using a tool configured to operate on a feature of a structure to be assembled; and
an indoor object location system for locating at least one location sensor affixed to the tool within the work cell, an indoor object detection system base station comprising at least one sensor beacon and a base station communicatively linked to the at least one location sensor, the base station configured to;
acquire location coordinates from the at least one locations sensor within the work cell upon receipt of an event signal from the tool; and
identify one of a plurality of candidate features as the feature operated on by the tool at the time the event signal was received based on a probability calculation for each of the candidate features that each respective candidate feature is the feature operated on by the tool.
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Abstract
A method for verifying completion of a task. Location coordinates of at least one location sensor within a work cell are obtained. At least one sensor is affixed to a tool used to operate on a feature of a structure to be assembled, fabricated or inspected. A virtual object locus is generated based on the location coordinates of the at least one location sensor. The virtual object locus corresponds to a computerized schematic of the structure to be assembled and represents of all possible locations of an object end of the tool within the work cell. One of a plurality of candidate features is identified as the most likely to be the feature operated on by the tool. The identification is based on a probability calculation for each of the candidate features that each respective candidate feature is the feature operated on by the tool.
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Citations
7 Claims
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1. An assembly task verification system (ATVS), said system comprising:
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a work cell within a localized environment, the work cell utilized for assembling a structure using a tool configured to operate on a feature of a structure to be assembled; and an indoor object location system for locating at least one location sensor affixed to the tool within the work cell, an indoor object detection system base station comprising at least one sensor beacon and a base station communicatively linked to the at least one location sensor, the base station configured to; acquire location coordinates from the at least one locations sensor within the work cell upon receipt of an event signal from the tool; and identify one of a plurality of candidate features as the feature operated on by the tool at the time the event signal was received based on a probability calculation for each of the candidate features that each respective candidate feature is the feature operated on by the tool. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification