{
  "$type": "site.standard.document",
  "description": "A method of determining a service valve health status, the method comprising: performing, via a brake controller, a plurality of frequency response health monitoring tests for a servo valve; supplying, via the brake controller, a variable current to the servo valve for each frequency response…",
  "path": "/patents/1392210",
  "publishedAt": "2025-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/662",
    "GOODRICH CORP [US]"
  ],
  "textContent": "A method of determining a service valve health status, the method comprising: performing, via a brake controller, a plurality of frequency response health monitoring tests for a servo valve; supplying, via the brake controller, a variable current to the servo valve for each frequency response health monitoring test in the plurality of frequency response health monitoring tests; and comparing, via the brake controller, a phase shift over a predetermined period of time to a predetermined phase shift threshold.",
  "title": "HEALTH MONITORING SYSTEMS AND METHODS FOR SERVO VALVES"
}