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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shamma, Jeff S. Cloutier, James R. |
| Copyright Year | 1992 |
| Description | Author affiliation: Department of Aerospace Engineering and Engineering Mechanics, University of Texas, Austin, TX 78712 (Shamma, Jeff S.) || USAF Armament Directorate, WL/MNAG Eglin AFB, FL 32542 (Cloutier, James R.) |
| Abstract | This paper presents a gain-scheduled design for a missile longitudinal autopilot. The gain-scheduled design is novel in that it does not involve linearizations about trim conditions of the missile dynamics. Rather, the missile dynamics are brought to a quasi-linear parameter varying (LPV) form via a state transformation. An LPV system is defined as a linear system whose dynamics depend on an exogenous variable whose values are unknown a priori but can be measured upon system operation. In this case, the variable is the angle-of-attack. This is actually an endogenous variable, hence the expression "quasi-LPV". Once in a quasi-LPV form, a robust controller using ¿-synthesis is designed to achieve normal acceleration control via fin deflections. The final design is an inner/outer loop structure, with angle-of-attack control being the inner-loop, and normal-acceleration control being the outer loop. |
| Starting Page | 1317 |
| Ending Page | 1321 |
| File Size | 445057 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780302109 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1992-06-24 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Missiles Aerodynamics Acceleration Time varying systems Nonlinear dynamical systems Robustness Linear systems Robust control Dynamic scheduling Design engineering |
| Content Type | Text |
| Resource Type | Article |
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