The finite element analysis model of truss structures was established.
建立了桁架结构的有限元分析模型。
Recently, tubular truss structures are used extensively in the large-span space structures.
近年来，管桁结构在大跨空间结构中得到广泛应用。
The problem of dynamic analysis based on reliability of truss structures are studied in the paper.
文中针对桁架结构研究了基于概率的结构动力特性分析方法。
The dynamic characteristic analysis of intelligent truss structures with fuzzy parameters is presented.
研究了模糊参数压电智能桁架结构的动力特性分析问题。
The analysis methods of finite element for fuzzy truss structures under fuzzy loads action are developed.
研究了随机桁架结构在平稳随机激励下的动力可靠度求解方法。
Numerical results show that the method can localize and quantify the damage in truss structures precisely.
数值试验表明，该方法对桁架结构的损伤可进行精确的定位和标定。
The analysis methods of the finite element for fuzzy truss structures under fuzzy loads action are studied.
研究模糊桁架结构在模糊力作用下的有限元分析方法。
The problems of stationary random response analysis of stochastic truss structures are studied in this paper.
研究了随机桁架结构的平稳随机响应问题。
In this paper, the calculation program of optimal design and ultimate analysis of truss structures is worked out.
本文编制了网架结构优化设计和极限分析的计算程序。并对网架结构进行了分析。
For composite staggered truss structures, the truss was simplified as two stories with lateral bracing spring model.
对于混合式交错桁架结构的稳定性，考虑了桁架层侧移刚度简化成两层带侧向弹簧的计算模型。
Results of the numerical simulation show that this method is adequate for the damage evaluation of tower truss structures.
数值模拟结果表明，本文方法适用于塔架类结构的损伤评估。
A method of calculating dynamic reliability of stochastic truss structures under stationary random excitation is discussed in this paper.
研究了随机桁架结构在平稳随机激励下的动力可靠度求解方法。
The problem of dynamic analysis based on probability for the intelligent truss structures with random parameters are studied in this pap er.
文中针对随机参数压电智能桁架结构研究了基于概率的结构动力特性分析方法。
This paper optimizes the steel truss structures by taking into account the fuzziness of constraints and employing GA and the fuzzy set theory.
考虑到约束条件的模糊性，应用遗传算法和模糊集原理对钢桁架结构进行了优化分析。
A nonlinear finite element method considering the slack of cable elements is proposed in this paper for analysis of spatial cable truss structures.
本文介绍了考虑索单元松弛跟踪的空间索桁结构非线性有限元全过程分析方法。
Spatial cable truss structures are composed of orthogonal prestressed cable trusses which combines prestress technology with space grid structures.
索网架结构将预应力技术与网架技术融为一体，由正交正放预应力索桁架组成。
Controller with small mass, low power waste, high efficiency and high reliability is significant to space application of adaptive truss structures.
重量轻、功耗低、处理能力强的控制器对自适应桁架的空间应用具有重要意义。
The problems of dynamic response analysis of closed loop control system based on probability for the random intelligent truss structures are studied.
针对随机压电智能桁架结构研究了基于概率的结构闭环控制系统动力响应分析模型与方法。
The topology optimal model of truss structures with the constraints of displacement and systematic reliability under multiple load cases is constructed.
建立了多工况下具有位移和体系可靠性约束的桁架结构拓扑优化设计数学模型。
Optimal placement of active members for vibration active control of intelligent space truss structures via Genetic Algorithms is discussed in the paper.
本文讨论采用遗传算法研究智能桁架结构主动构件的优化配置问题。
The problems of dynamic response of closed loop control system for stochastic intelligent truss structures under stationary random excitation were studied.
研究平稳随机激励下随机智能桁架结构的闭环动力响应问题。
Considering the judgment of dynamic instability of truss structures, a stress rate method for dynamic instability analysis of truss structures was proposed.
针对结构动力失稳的判定问题，提出了一种适用于杆系结构动力稳定分析的应力变化率法。
This paper deals mainly with the analysis method of the finite element and reliability for truss structures with random parameters under random loads action.
对随机参数桁架结构在随机荷载作用下的有限元分析方法进行了研究。
The paper discussed the simulation experiment of active vibration control method of flexible space intelligent truss structures with acceleration measurements.
在只获得加速度的情况下，针对空间柔性智能桁架结构，进行了主动控制方法的实时仿真实验。
Based on the concept of basic internal force and generalized constraint matrix, a new method was proposed for calculation of the internal force of truss structures.
在中等变形梁的基础上引入增广转换矩阵，为解决桨叶动能项推导编程计算较为复杂的问题，建立了一种新的递推计算方法。
The dissertation has adopted the designing soft of PKPM to analyze the designing method of 130 modes of staggered truss structures at 7 degrees seismic fortification intensity.
本文采用大型设计软件PKPM对7度抗震区的130个交错桁架结构模型进行了设计分析。
The present paper gives the derivation of the displacement sensitivity of truss structures made of piece wise linear material, with respect to the cross sectional areas of bars.
本文推导了分段线性材料桁架结构的位移对截面积的灵敏度，并给出三杆桁架实例。
The problems of dynamic response analysis of closed loop control system based on reliability for the intelligent truss structures with random parameters were studied in this paper.
针对随机参数压电智能桁架结构研究了基于概率的结构闭环控制系统动力响应分析模型与方法。
The problems of dynamic response analysis of closed loop control system based on reliability for the intelligent truss structures with random parameters were studied in this paper.
针对随机参数压电智能桁架结构研究了基于概率的结构闭环控制系统动力响应分析模型与方法。
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