METHOD AND APPARATUS FOR VEHICLE COMPONENT HEALTH PROGNOSIS BY INTEGRATING AGING MODEL, USAGE INFORMATION AND HEALTH SIGNATURES
First Claim
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1. A method for determining the health of a component, the method comprising:
- retrieving measured health signatures from the component;
retrieving component usage variables;
estimating component health signatures using an aging model;
determining an aging derivative using the aging model; and
calculating an aging error based on the estimated component health signatures, the aging derivative and the measured health signatures.
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Abstract
A system and method for determining the health of a component includes retrieving measured health signatures from the component, retrieving component usage variables, estimating component health signatures using an aging model, determining an aging derivative using the aging model and calculating an aging error based on the estimated component health signatures, the aging derivative and the measured health signatures.
17 Citations
19 Claims
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1. A method for determining the health of a component, the method comprising:
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retrieving measured health signatures from the component; retrieving component usage variables; estimating component health signatures using an aging model; determining an aging derivative using the aging model; and calculating an aging error based on the estimated component health signatures, the aging derivative and the measured health signatures. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for determining the health of a component, the system comprising:
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an aging model configured to calculate estimated component health signatures based on a plurality of component usage variables; and a comparison module configured to calculate an aging error based on the estimated component health signatures and measured component health signatures. - View Dependent Claims (9, 10, 11, 12)
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13. A system that includes computer-readable medium tangibly embodying computer-executable instructions for:
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retrieving measured health signatures from the component; retrieving component usage variables; estimating component health signatures using an aging model; determining an aging derivative using the aging model; and calculating an aging error based on the estimated component health signatures, the aging derivative and the measured health signatures. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification