The technology of smart structures is significant for the vibration control of large flexible space structures.
智能结构技术对空间大型柔性结构的振动控制问题具有重要意义。
Round steel tube is a main structure form, and it has been widely used in space structures such as shell structures.
圆钢管作为一种主要杆件形式,被广泛应用于网壳等空间结构中。
The study is valuable for the engineer engaging in large space structures and the programmer developing structural computation software.
对从事大跨度空间结构设计的工程师和结构计算软件的开发人员具有借鉴意义。
The results of experiments indicated that the control strategy was correct and effective in suppressing the low frequency and large amplitude vibration of flexible space structures.
实验研究结果表明,该控制方案对空间柔性结构的低频大幅振动有很好的控制效果。
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。
Some space structures have critical vibration problems owing to their low stiffness and low damping.
针对一类航天器外伸结构的结构振动问题,提出了一种动应变控制方法。
The paper puts forward a method of coupling active control for the large flexible space structures (LFSS).
本文针对大型柔性空间结构(LFSS)的主动控制问题,提出耦合主动控制的方法。
The function of proteins bases on their space structures which are only determined by their amino acid sequences.
蛋白质的结构是其行使生物功能的基础,它由多肽链唯一确定。
Space inflatable structures have the advantages that can construct large space structures in lightweight and low cost.
空间展开结构具有能构建大型结构、轻质而且成本低廉的特点。
Vibration control using piezoelectric materials for large flexible space structures had attracted significant attention.
应用压电材料实现大型柔性空间结构的振动控制引起了广泛关注。
Shear diaphragm assembly is the main component of the stressed skin diaphragm structures, one of the new space structures.
受力蒙皮结构是一种新型的空间受力结构,受力蒙皮组合体是其重要的组成元件。
This system could emulate not only the work conditions, but also the motion of space structures and deployment of the foldable structures.
实验系统不但能够模拟柔性航天结构的运行环境,还能对由于航天飞行器的机动和折叠结构的展开而引起的振动进行模拟。
Large space structures are infinite-dimensional distributed-parameter systems, which theoretically have infinite number of vibration modes.
大型空间柔性结构是无穷维的分布式参数系统,理论上具有无穷多个振动模态。
We investigated the reciprocal space structures of the superlattices belonging to these two series, and found that they are nearly the same.
研究了这两个超晶格系列,发现它们的倒空间结构是几乎相同的。
FEM analysis of a kind BRB applicable to space structures was conducted by using software ANSYS. The hysteresis curve of the BRB was obtained.
利用ANSYS程序对一种适用于网壳结构的屈曲约束支撑进行有限元分析,得到支撑的滞回曲线。
The computed results reveal that the long-span space structures equipped with viscoelastic damper will have to take the spatial characteristics.
计算结果表明,大跨空间结构采用粘弹性阻尼器时计算地震响应,必须考虑地震动的空间相干特性。
Two computationally efficient state-space structures for general 2-D digital systems described by Roesser's local state-space model are presented.
本文给出了一般二维数字系统的两种高效率状态空间结构;
This film has got synchronic, diachronic and highly compressed time structures, and it has also got juxtaposed, nested and circular space structures.
影片使用了共时性、历时性和高度压缩的时间结构,并采用了并置、嵌套和圆形空间结构。
The shape optimization for composite space structures is difficult because these structures usually involve many different types of elements and materials.
由于组合空间结构中单元种类和材料种类较多,导致该类结构的形状优化困难。
The stiffness coefficients of piles have been calculated by numerical method and duly employed in the matrix analysis of pile foundations as space structures.
利用主解系数等方法导出了桩轴向、横向及扭转刚度系数的通用算法并用于桩基作为空间结构的矩阵分析。
But, presently the research on damage detection and diagnosis of structure focus on bridge and tier building, and the research on large space structures are few.
但是,目前结构的损伤检测与诊断研究多集中在桥梁、高层等结构上,针对大跨度空间结构损伤检测与诊断的研究很少。
The numerical simulation method based on the strip-yield method has begun to be used in the air space structures, but not used in the fatigue questions in the submarine.
基于带状屈服模型的数字仿真方法在航空航天结构上已经开展运用,但尚未用于潜艇结构疲劳断裂问题。
Thermally induced vibration of space structures, which are subjected to incident solar heat flux and emitting thermal energy by radiation, is one of typical modes of structural failure.
空间结构在辐射换热条件下的热诱发振动是导致空间结构失效的一种典型模式。
A decentralized variable-structure control for a class of nonlinear uncertain large-scale systems is presented. The presented control approach is applied to uncertain large flexible space structures.
提出了一种适用于一类不确定大系统的分散变结构控制方法,并将该方法用于柔性空间结构的控制系统设计中。
An inorbit identification vibration control method for flexible space structures was developed in which the dynamics parameters are identified using the eigensystem realization algorithm (ERA) method.
该方法运用特征系统实现算法辨识得到系统的动力学参数,然后利用辨识得到的参数设计最优控制器,抑制结构的振动。
An inorbit identification vibration control method for flexible space structures was developed in which the dynamics parameters are identified using the eigensystem realization algorithm (ERA) method.
该方法运用特征系统实现算法辨识得到系统的动力学参数,然后利用辨识得到的参数设计最优控制器,抑制结构的振动。
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