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Application of variable-gain output feedback for high-alpha control
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Ostroff, Aaron J. |
| Copyright Year | 1990 |
| Description | A variable-gain, optimal, discrete, output feedback design approach that is applied to a nonlinear flight regime is described. The flight regime covers a wide angle-of-attack range that includes stall and post stall. The paper includes brief descriptions of the variable-gain formulation, the discrete-control structure and flight equations used to apply the design approach, and the high performance airplane model used in the application. Both linear and nonlinear analysis are shown for a longitudinal four-model design case with angles of attack of 5, 15, 35, and 60 deg. Linear and nonlinear simulations are compared for a single-point longitudinal design at 60 deg angle of attack. Nonlinear simulations for the four-model, multi-mode, variable-gain design include a longitudinal pitch-up and pitch-down maneuver and high angle-of-attack regulation during a lateral maneuver. |
| File Size | 835363 |
| Page Count | 14 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19900009118 |
| Archival Resource Key | ark:/13960/t5hb41j2b |
| Language | English |
| Publisher Date | 1990-02-01 |
| Access Restriction | Open |
| Subject Keyword | Aircraft Stability And Control Digital Systems Control Systems Design Performance Prediction Aircraft Maneuvers Control Theory Feedback Control Angle of Attack Systems Simulation Flight Control Fighter Aircraft Aerodynamic Stalling Nonlinear Systems Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
