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Parallel structures and control system design methods research

Author: HuWeiPeng
Tutor: WuZiYan
School: Northwestern Polytechnical University
Course: Structural Engineering
Keywords: Structure Control Concurrent Design Convex algorithm LMI
CLC: TU318
Type: Master's thesis
Year: 2006
Downloads: 57
Quote: 0
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Abstract


With the computer technology and the rapid development of control theory , architectural structure control design of building structures as an important research direction attracts many researchers. Building structure control is automatically controlled based on the theory developed, but both theoretical analysis, or project to achieve its far more difficult than in other areas of control problems. In recent years , building structure and control system parallel design has become a new hotspot , some foreign experts have been trying to put forward a series of parallel algorithms. This article is in these parallel algorithm based on building structure and control system of the parallel algorithm for convex design . First, the existing building structure design theory and control theory based on the study of the building structure design and control system design unity of opposites . Secondly, the classical model of centralized mass mechanical structure and control system design, integration, and tools based on linear matrix inequalities propose a solution to the random excitation , structural response limit of constraints to building systems to optimize the structural parameters of the variable to control the input energy minimization structure optimization objectives and control system design problems in parallel convex algorithm , the algorithm in the following two aspects exceeded the limitations of existing algorithms : ( 1 ) the mass matrix into the optimization variables , widen optimized range ; ( 2 ) use of convex potential energy function handles the control structure design resulting from the introduction of non-convex constraint , which greatly reduces the complexity of the algorithm . Then , with a typical architectural model shows the optimization algorithm implementation process , sensitivity and stability analysis showed that algorithm is Lyapumov stable . Finally, before and after optimization of the building structure system time domain simulation results verify the feasibility and effectiveness of the algorithm .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural design
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