Article

Integrated controls-structures optimization of a large space structure

04/1992;
Source: NTRS

ABSTRACT General-purpose control and structural codes are applied to a large detailed structural model including objective and constraint functions derived from actual design specifications. The approach is to divide the problem into a controls optimization step, a structural optimization step, and a system level coordination step. The objective is to minimize mass and power consumption with constraints on vibration characteristics, strength, and damping. This decomposition and optimization approach significantly enhances the design of a structure based on the COFS-I Mast Flight System, which is selected as a demonstration problem.

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Keywords

COFS-I Mast Flight System
 
constraint functions
 
constraints
 
controls optimization step
 
damping
 
demonstration problem
 
minimize mass
 
optimization approach
 
power consumption
 
structural codes
 
structural optimization step
 
system level coordination step
 
vibration characteristics