Optimal Placement of Controls for Truss Structures in Space

2012 ◽  
Vol 27 (5) ◽  
pp. 51-56 ◽  
Author(s):  
Dong-Xu Li ◽  
Wang Liu ◽  
Jian-Ping Jiang
Keyword(s):  
Optimal Placement ◽  
Truss Structures

Optimal Placement of Piezoelectric Actuators in Adaptive Truss Structures

1994 ◽  
Vol 171 (1) ◽  
pp. 67-85 ◽  
Author(s):  
R. Lammering ◽  
Jianhu Jia ◽  
C.A. Rogers
Keyword(s):  
Piezoelectric Actuators ◽  
Optimal Placement ◽  
Truss Structures

Optimal placement of active/passive members in truss structures using simulated annealing

AIAA Journal ◽  
1991 ◽  
Vol 29 (8) ◽  
pp. 1327-1334 ◽  
Author(s):  
Gun-Shing Chen ◽  
Robin J. Bruno ◽  
Moktar Salama
Keyword(s):  
Simulated Annealing ◽  
Optimal Placement ◽  
Truss Structures

scholarly journals Optimal Placement of Active Bars for Buckling Control in Truss Structures under Bar Failures

2018 ◽  
Vol 885 ◽  
pp. 119-130
Author(s):  
Tristan Gally ◽  
Anja Kuttich ◽  
Marc E. Pfetsch ◽  
Maximilian Schaeffner ◽  
Stefan Ulbrich
Keyword(s):  
Mathematical Optimization ◽  
Optimal Placement ◽  
Truss Structures ◽  
Optimization Approach ◽  
Design Constraint ◽  
Critical Design ◽  
General Stability ◽  
Compressive Loads ◽  
Cost Efficient ◽  
Practical Question

Buckling of slender bars subject to axial compressive loads represents a critical design constraint for light-weight truss structures. Active buckling control by actuators provides a possibility to increase the maximum bearable axial load of individual bars and, thus, to stabilize the truss structure.For reasons of cost, it is in general not economically viable to use such actuators in each bar of the truss structure. Hence, it is an important practical question where to place these active bars. Optimized structures, especially when coupled with active elements to further decrease the number of necessary bars, however, lead to designs, which, while cost-efficient, are especially prone to bardamages, caused, e.g., by material failures. Therefore, this paper presents a mathematical optimization approach to optimally place active bars for buckling control in a way that secures both buckling and general stability constraints even after failure of any combination of a certain number of bars. This allows us to increase the resilience of the system and guarantee stable behavior even in case of failures.

Sign in / Sign up

Export Citation Format

Share Document