Automatic trim system for fly-by-wire aircraft with unique trim controllers
US8231085B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2010 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Jan 31, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/0858
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A flight control system includes a controller which defines a controller displacement and a control surface which defines a control surface authority. A module operable to provide a displacement feel to the controller in response to a remaining portion of the controller displacement being greater than a remaining portion of the control surface authority and the module operable to re-reference a center of the controller displacement to equate the remaining portion of the controller displacement with the remaining portion of the control surface authority in response to the remaining portion of the controller displacement being less than the remaining portion of the control surface authority.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.