Loading...
Please wait, while we are loading the content...
Similar Documents
System identification and controller design using experimental frequency response data
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Irwin Sr., R. Dennis |
| Copyright Year | 1990 |
| Description | Recent findings from modeling and controller design for the NASA-Marshall Single Structure Control Facility have raised questions regarding the ability of modern control design techniques and modern modeling techniques to deal effectively with the stringent modeling and control design requirements of Large Space Structure Control. A brief and general discussion is presented of the results of studies into the modeling and control issues performed under sponsorship of the NASA/ASEE Summer Faculty Fellowship Program. Several issues are addressed. The first is a study of a modeling technique based on least squares identification of individual transfer functions from measured frequency response data. The second is a study of multiobjective optimization techniques applied to the modeling, or system identification, problem. The third issue is a study into the question of whether multiobjective optimization approaches can be effectively used for control system design using only frequency response data, thereby bypassing the difficult modeling problem. The last issue studied involves the resolution of seeming discrepancies between predicted and measured control computer time delays in the Single Structure Control Facility. |
| File Size | 201907 |
| Page Count | 6 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19910009676 |
| Archival Resource Key | ark:/13960/t19k97q7t |
| Language | English |
| Publisher Date | 1990-10-01 |
| Access Restriction | Open |
| Subject Keyword | Computer Operations And Hardware Controllers Control Systems Design Transfer Functions Feedback Control Optimization Time Lag Ground Based Control Integrated Mission Control Center Least Squares Method Mathematical Models Frequency Response System Identification Control Theory Large Space Structures Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
