Detecting anomalies in field failure data
First Claim
1. A method of detecting anomalies in service repairs for equipment, the method comprising:
- generating a failure mode-symptom correlation matrix module that correlates failure modes to symptoms, each of the failure modes being identifiable with a respective occurrence in how equipment failure can occur, wherein the correlation of the symptoms to the failure modes are generated in response to a plurality of engineering principles, the failure mode-symptom correlation matrix module being customizable for different equipment, the failure mode-symptom correlation matrix being adaptively modifiable for updating and refinement based on respective repair operations relating to each symptom;
collecting diagnostic trouble codes for an actual repair for the equipment, the diagnostic trouble codes generated by a processor of the equipment in response to a potential malfunction of a component in the equipment;
inputting the diagnostic trouble codes to a diagnostic reasoner processor;
applying diagnostic assessment by the diagnostic reasoner processor for determining a recommended repair to perform on the equipment in response to the diagnostic trouble codes and the correlations of the failure modes and symptoms in the failure mode-symptom correlation matrix module;
comparing the recommended repair with the actual repair used to repair the equipment;
identifying a mismatch in response to the recommended repair not matching the actual repair;
generating reports displaying all of the identified mismatches;
analyzing the reports for determining repair codes having an increase in a number of anomalies; and
providing service centers the recommended repair for the failure mode of the equipment;
receiving a notice of performance of the recommended repair; and
updating the failure mode-symptom correlation matrix using the notice.
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Accused Products
Abstract
A method of detecting anomalies in the service repairs data of equipment. A failure mode-symptom correlation matrix correlates failure modes to symptoms. Diagnostic trouble codes are collected for an actual repair for the equipment. The diagnostic trouble codes are provided to a diagnostic reasoner for identifying failure modes. Diagnostic assessment is applied by the diagnostic reasoner for determining the recommended repairs to perform on the equipment in response to identifying the failure modes. Each of the recommended repairs is compared with the actual repair used to repair the equipment. A mismatch is identified in response to any recommended repair not matching the actual repair. Reports are generated for displaying all of the identified mismatches. The reports are analyzed for determining repair codes having an increase in a number of anomalies. Service centers are alerted of a correct repair for the identified failure mode.
24 Citations
22 Claims
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1. A method of detecting anomalies in service repairs for equipment, the method comprising:
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generating a failure mode-symptom correlation matrix module that correlates failure modes to symptoms, each of the failure modes being identifiable with a respective occurrence in how equipment failure can occur, wherein the correlation of the symptoms to the failure modes are generated in response to a plurality of engineering principles, the failure mode-symptom correlation matrix module being customizable for different equipment, the failure mode-symptom correlation matrix being adaptively modifiable for updating and refinement based on respective repair operations relating to each symptom; collecting diagnostic trouble codes for an actual repair for the equipment, the diagnostic trouble codes generated by a processor of the equipment in response to a potential malfunction of a component in the equipment; inputting the diagnostic trouble codes to a diagnostic reasoner processor; applying diagnostic assessment by the diagnostic reasoner processor for determining a recommended repair to perform on the equipment in response to the diagnostic trouble codes and the correlations of the failure modes and symptoms in the failure mode-symptom correlation matrix module; comparing the recommended repair with the actual repair used to repair the equipment; identifying a mismatch in response to the recommended repair not matching the actual repair; generating reports displaying all of the identified mismatches; analyzing the reports for determining repair codes having an increase in a number of anomalies; and providing service centers the recommended repair for the failure mode of the equipment; receiving a notice of performance of the recommended repair; and updating the failure mode-symptom correlation matrix using the notice. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A field failure detection system comprising:
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a failure mode-symptom correlation matrix module that correlates failure modes to symptoms, each of the failure modes being identifiable with a respective occurrence in how equipment failure can occur, and the correlation of the symptoms to the failure modes being generated in response to a plurality of engineering principles, the failure mode-symptom correlation matrix module being customizable for different equipment, the failure mode-symptom correlation matrix being adaptively modifiable for updating and refinement based on respective repair operations relating to each symptom; a memory for storing diagnostic trouble codes of repaired equipment, the diagnostic trouble codes generated by a processor of the equipment in response to a potential malfunction of a component in the equipment, the memory further storing repair codes representing a repair made to the repaired equipment by a service provider; and a processing unit for correlating the diagnostic trouble codes with the failure mode-symptom correlation matrix module for determining a recommended repair to perform on the equipment in response to the diagnostic trouble codes and the correlations of the failure modes and symptoms in the failure mode-symptom correlation matrix module, wherein the recommended repair is compared with the actual repair used to repair the equipment, wherein a mismatch is identified in response to the recommended repair not matching the actual repair, and wherein reports are generated identifying the identified mismatches for determining which repair codes have an increase in a number of anomalies, wherein service centers are provided with the recommended repair for the identified failure mode of the equipment, wherein a notice of performance of the recommended repair is received, and wherein the failure mode-symptom correlation matrix is updated using the notice. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A method comprising:
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obtaining equipment having at least one prior repair for an identified failure mode; receiving a notification for the equipment, the notification indicating a recommended repair, the notification generated by; correlating, using a plurality of engineering principles, a plurality of failure modes to a plurality of symptoms thereby producing correlated data, each of the plurality of failure modes being identifiable with a respective occurrence in how equipment failure can occur, generating a failure mode-symptom correlation matrix module using the correlated data, the failure mode-symptom correlation matrix module being customizable for a plurality of manufactured equipment, the plurality of manufactured equipment including the equipment, the failure mode-symptom correlation matrix being adaptively modifiable for updating and refinement based on respective repair operations relating to each symptom, collecting diagnostic trouble codes for an actual repair of the equipment, the diagnostic trouble codes generated by a processor of the equipment, inputting the diagnostic trouble codes to a diagnostic reasoner processor, applying a diagnostic assessment by the diagnostic reasoner processor for determining a recommended repair to perform on the equipment using the diagnostic trouble codes and correlations of the plurality of failure modes and the plurality of symptoms in the failure mode-symptom correlation matrix module, comparing the recommended repair with the actual repair of the equipment, identifying at least one mismatch in response to the recommended repair not matching the actual repair, generating reports displaying the at least one mismatch, and analyzing the reports to determine repair codes having an increase in a number of anomalies; performing the recommended repair on the equipment thereby eliminating the failure mode of the vehicle; and reporting performance of the recommended repair to the failure mode-symptom correlation matrix module.
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Specification