## Control augmented structural synthesisNational Aeronautics and Space Administration, Scientific and Technical Information Branch, 1988 - Structural design - 174 pages |

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### Contents

The Control Augmented Structural Synthesis | 12 |

Structural Analysis | 20 |

Approximate Problem Generation | 34 |

7 other sections not shown

### Common terms and phrases

active control system actuator 2 actuators actuator Controlled Actuator Force actuators 1-2 h approximate problem augmented structural synthesis Cantilevered Beam constraint is critical control augmented structural control elements Control Force Minimization Controlled 2 actuators Data for Problem denotes lower bound design problem Design Response Ratios design variables Designs for Problem displacement constraints dual Dual Methods dXij dynamic displacements dynamic loading conditions eigenvalue equations Final Design cm Final Design Response Grillage Histories for Problem implicit differentiation Independent Actuator Gains Iteration History Data linear load vectors lower bound value Lumped Mass Design Mass Design Elements Maximum Constraint Violation methodology Minimization Final Design move limits Multiple Loading Conditions natural frequencies Nt-sec/cm Nt/cm objective function Problem 5 Cantilevered Ratios for Problem Response Minimization shown in Fig side constraints solved space frame static stiffness matrix straint structural mass synthesis problem techniques three runs Tip Displacement total control force truss elements upper bound