| タイトル | Advanced control concepts |
| 本文（外部サイト） | http://hdl.handle.net/2060/19740015272 |
| 著者（英） | Coppey, J. M.; Sharp, J. B. |
| 著者所属（英） | Northrop Services, Inc. |
| 発行日 | 1973-12-01 |
| 言語 | eng |
| 内容記述 | The problems of excess control devices and insufficient trim control capability on shuttle ascent vehicles were investigated. The trim problem is solved at all time points of interest using Lagrangian multipliers and a Simplex based iterative algorithm developed as a result of the study. This algorithm has the capability to solve any bounded linear problem with physically realizable constraints, and to minimize any piecewise differentiable cost function. Both solution methods also automatically distribute the command torques to the control devices. It is shown that trim requirements are unrealizable if only the orbiter engines and the aerodynamic surfaces are used. |
| NASA分類 | SPACE VEHICLES |
| レポートNO | 74N23385
NASA-CR-120217
TR-250-1246 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/194637 |
