Method and system for position control based on automated defect detection feedback

摘要

A computer program product and method for performing position control on device members that have been identified as defective. The method may include providing a storage medium that stores data and programs used in processing images and a processing unit that processes the images, receiving, by the processing unit from an image capture device coupled to the processing unit, a set of images of a plurality of members inside of a device, detecting, by the processing unit, a defect in a first member of the plurality of members, and providing instructions to move the first member to an inspection position in the device. The device may be an engine and the members may be blades within the engine.

主权项

1. A method of performing position control, the method comprising:
providing a storage medium that stores data and programs used in processing images and a processing unit that processes the images; receiving, by the processing unit from an image capture device coupled to the processing unit, a set of video images of a plurality of members in motion inside of a device; detecting, by the processing unit, a potential defect in a first member of the plurality of members by performing Robust Principal Component Analysis to simultaneously decompose the set of video images into a low rank matrix representing the first member and a sparse matrix representing the potential defect; implementing, by the processing unit, a classifier to confirm the potential defect is one of a defect or a non-defect; selecting, by the processing unit, a reference member from the plurality of members inside of the device; indexing a position of each of the plurality of members inside the device relative to the reference member; using the indexed positions of each of the plurality of members to locate the first member in a current position; and after the defect is detected and confirmed in the first member and the first member is located, providing instructions to move the first member having the defect from the current position to an inspection position in the device.