The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2013
Filed:
Nov. 08, 2005
Applicants:
Shyhpyng Jack Shue, Grapevine, TX (US);
John J. Shillings, Fort Worth, TX (US);
Inventors:
Shyhpyng Jack Shue, Grapevine, TX (US);
John J. Shillings, Fort Worth, TX (US);
Assignee:
Textron Innovations Inc., Providence, RI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01); G01C 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flight control system is configured for controlling the flight of an aircraft utilizing a three control loop design to robustly increase system performance. An inner loop comprises an improved linear quadratic regulator (LQR) search method, and an outer loop comprises a classic feedback summary gain design. A third loop comprises a steady state trim search method.