{
  "$type": "site.standard.document",
  "description": "A PNT system for a user includes a plurality of sensors configured to collect measurements, where the sensors are grouped into a plurality of subsets of sensors. The PNT system individually compares a measured value collected by each of the plurality of sensors with a corresponding threshold value…",
  "path": "/patents/1309017",
  "publishedAt": "2022-01-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C25/00",
    "The Boeing Company"
  ],
  "textContent": "A PNT system for a user includes a plurality of sensors configured to collect measurements, where the sensors are grouped into a plurality of subsets of sensors. The PNT system individually compares a measured value collected by each of the plurality of sensors with a corresponding threshold value. The PNT system determines a potential fault condition for a particular sensor exists when the measured value exceeds the corresponding threshold value. In response to detecting the potential fault condition, the PNT system contains the potential fault condition by determining a replacement value. In response to determining a number of times that the potential fault condition is detected exceeds a predetermined value, the PNT system determines a confirmed fault condition with the particular sensor and re-groups the plurality of subsets of sensors. The PNT system proceeds to a second level of fault detection for determining a plurality of individual navigation solutions.",
  "title": "FAULT DETECTION, CONTAINMENT, ISOLATION, AND RESPONSE ARCHITECTURE FOR A POSITION, NAVIGATION, AND TIMING (PNT) SYSTEM"
}