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Missile Longitudinal Autopilot Design Using a New Suboptimal Nonlinear Control Method
| Content Provider | Semantic Scholar |
|---|---|
| Author | Xin, Ming Balakrishnan, Sivasubramanya Nadar |
| Copyright Year | 2003 |
| Abstract | A missile longitudinal autopilot is designed using a new nonlinear control synthesis technique called the /spl theta/-D approximation. The particular /spl theta/-D methodology used is referred to as the /spl theta/-D H/sub 2/ design. The technique can achieve suboptimal closed-form solutions to a class of nonlinear optimal control problems in the sense that it solves the Hamilton-Jacobi-Bellman equation approximately by adding perturbations to the cost function. An interesting feature of this method is that the expansion terms in the expression for suboptimal control are nothing but solutions to the state-dependent Riccati equations associated with this class of problems. The /spl theta/-D H/sub 2/ design has the same structure as that of the linear H/sub 2/ formulation, except that the two Riccati equations are state dependent. Numerical simulations are presented that demonstrate the potential of this technique for use in an autopilot design. These results are compared with the recently popular SDRE H/sub 2/ method. |
| Starting Page | 577 |
| Ending Page | 584 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| DOI | 10.1049/ip-cta:20030966 |
| Alternate Webpage(s) | http://web.mst.edu/~bala/papers/IEE-autopilot1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1049/ip-cta%3A20030966 |
| Volume Number | 150 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
