Loading...
Please wait, while we are loading the content...
Similar Documents
Active flutter suppression using optical output feedback digital controllers
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1982 |
| Description | A method for synthesizing digital active flutter suppression controllers using the concept of optimal output feedback is presented. A convergent algorithm is employed to determine constrained control law parameters that minimize an infinite time discrete quadratic performance index. Low order compensator dynamics are included in the control law and the compensator parameters are computed along with the output feedback gain as part of the optimization process. An input noise adjustment procedure is used to improve the stability margins of the digital active flutter controller. Sample rate variation, prefilter pole variation, control structure variation and gain scheduling are discussed. A digital control law which accommodates computation delay can stabilize the wing with reasonable rms performance and adequate stability margins. |
| File Size | 1917001 |
| Page Count | 80 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19820024499 |
| Archival Resource Key | ark:/13960/t9d55g47k |
| Language | English |
| Publisher Date | 1982-05-01 |
| Access Restriction | Open |
| Subject Keyword | Aircraft Stability And Control Controllers Optimal Control Digital Command Systems Flutter Feedback Control Aeroelasticity Quadratic Programming Active Control Optimization Compensators Sweptback Wings Convergence 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 |
