排序方式： 共有116条查询结果，搜索用时 109 毫秒
81.
Industrial and domestic robotics provide fascinating and relevant perspective insights into current and possible trajectories for the development of contemporary societies. While industrial robotics has found its place since the 1960s, domestic robotics wherein humans interact with social robots is still an unsettled area. After reviewing data on the diffusion of social robots and on their use, the historical tradition from which social robots come is discussed. This discussion is followed by an analysis of the penetration of social robots in everyday life and the importance of interdisciplinary research is highlighted. 相似文献
82.
XU Lin YU Lin 《江西蓝天学院学报》2007,(Z1)
元胞自动机是一种时空、状态离散的数学模型,适于计算机模拟实施。特别适合于处理那些难以用数学定量描述的复杂动态体系问题,如材料微观组织的演变。以VisualC 为编译平台,运用OpenGL图形函数库建立一种三维元胞自动机模型。运用该模型进行了简化的枝晶生长模拟,并与二维的模拟结果进行比较,验证了该模拟的正确性。 相似文献
83.
通过元胞自动机模型模拟员工对企业文化态度的动态演化过程,并探索其在外部环境影响下的演化规律及结果。通过对传统的元胞自动机模型进行扩展,引入了外部影响因素变量,以提高元胞自动机模型的表达能力。基于此扩展,建立了企业文化认同度演化模型,并设定了相应的演化规则。通过模拟不同影响因素条件下企业员工对企业文化认同态度的演化过程,分析了各种因素的影响力,并得出企业文化环境因素是员工对企业文化认同度的主要影响因素等结论。 相似文献
84.
李立平 《湖州师范学院学报》2005,27(1):19-21
主要研究了离散细胞神经网络的稳定性问题，通过对系统不动点的分析，利用迭代的方法得到了该CNN系统稳定的一个充分条件． 相似文献
85.
提出多孔材料平面微结构拓扑优化模型,在给定材料体积含量的情况下,分别以材料的体积模量和剪切模量作为目标函数,对微结构进行拓扑优化设计。等效材料常数通过数值均匀化方法计算得到,采用移动渐近线法求解该优化问题．利用敏度过滤去除拓扑优化中存在的数值不稳定性问题。数值算例验证了拓扑优化模型和算法的有效性,并分析了材料体积含量以及有限元网格粗细对优化结果的影响。 相似文献
86.
INTRODUCTION The concept of logic circuits based on quan-tum-dot cellular automata(QCA)has received much attention since it was first proposed by Lent et al.(1993)due to prospects of extremely low-power op-eration and drastic reduction of interconnections.The basic QCA building block is represented by a bistable cell made up of four quantum dots or metallic islands at the vertices of a square and containing two elec-trons that can align along two different diagonals,thus encoding two lo… 相似文献
87.
交通流复杂动态特性的微观和宏观模式研究（英文） 总被引：1，自引：0，他引：1
本文在综合分析现有各种类型的交通流模型的基础上，提出更为符合实际的微观模型和宏观模型。具体地说，我们提出了一种全速度差车辆跟驰模型，一种考虑前车速度效应的元胞自动机模型，另一种能较好模拟同步流的元胞自动机模型，以及一种能体现交通流各向异性特征的速度梯度宏观连续模型。通过理论分析和数值模拟，研究了交通流中的各种非线性现象，并探讨了各种不同类型的模型之间的相互联系。 相似文献
88.
It has been shown in recent economic and statistical studies that combining forecasts may produce more accurate forecasts than individual ones,However,the literature on combining forecasts has almost exclusively focused on linear combining forecasts.In this paper,a new nonlinear combination forecasting method based on fuzzy inference system is present to overcome the difficulties and drawbacks in linear combination modeling of non-stationary time series.Furthermore,the optimization algorithm based on a hierarchical structure of learning automata is used to identify the parameters of the fuzzy system.Experiment results related to numerical examples demonstrate that the new technique has excellent identification performances and forecasting accuracy superior to other existing linear combining forecasts. 相似文献
89.
Cellular automata modeling techniques and the characteristics of mixed traffic flow were used to derive the 2-dimensional model presented here for simulation of pedestrian's crossing dynamics.A conception of "stop point" is introduced to deal with traffic obstacles and resolve conflicts among pedestrians or between pedestrians and the other vehicles on the crosswalk.The model can be easily extended,is very efficient for simulation of pedestrian's crossing dynamics,can be integrated into traffic simulation software,and has been proved feasible by simulation experiments. 相似文献
90.
杨楠 《黔南民族师范学院学报》2008,28(3):35-38
主要讨论了基于矩阵模型表示的线性有限自动机的弱可逆性,利用矩阵模型得出了线性有限自动机延迟有限步弱可逆的充分必要条件,并且给出了线性有限自动机是否具有弱可逆的算法。 相似文献