Patent ID: 9349226
Filing Date: 2016-05-24
CPC Classification: G01M,G07C

Claim Text:
1. A vehicle comprising: at least one operative sub-system, wherein the at least one operative sub-system includes at least one sensor configured to output one or more sensor signals related to the at least one operative sub-system; and a fault detection system in communication with the at least one operative sub-system, wherein the fault detection system is configured to: determine a first time window having a first step size; generate at least one early warning signal with respect to the first time window based on the one more sensor signals; determine a second time window size having a second step size; and determine at least one derivative of the at least one early warning signal by subtracting a mean of a first product from a second product, wherein the first product is the first product of the at least one early warning signal and a first sum that includes the second step size and the second window, and wherein the second product is the second product of the at least one early warning signal and a second sum that includes the second window size.