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并联机器人的运动学动力学分析以及轨迹规划(Trajectory planning, kinematics and dynamics analysis of parallel robot)
模拟退火算法与支持向量机算法的结合,提高了效率与精度(The combination of simulated annealing algorithm and support vector machine algorithm improves efficiency and accuracy.)
光纤存在非线性效应,SPM、XPM、FWM,本算法为啁啾高斯光束在光线中传播的波形变化,采用了分步傅里叶法(simulation of fiber nonlinearity)
蓄电池双向Boost/Buck充放电控制,与电网结合。(Battery bi-directional Boost/Buck charge and discharge control, combined with the grid.)
纳入了机械损伤和应变速率的断裂UMAT子程序,不能用于平面应力。(The fracture UMAT subroutine incorporating mechanical damage and strain rate can not be used for plane stress.)
利用D-S证据推理数据融合算法实现目标识别(Target Recognition Using D-S Evidence Reasoning Data Fusion Algorithm)
单机动目标跟踪作业,有具体的程序使用说明(There are specific procedures to explain the operation of single machine moving target tracking.)
对连续波雷达系统从数据建模到后续处理最后检测目标(For continuous wave radar system, from data modeling to subsequent processing, final detection target.)
微电网 的仿真模型,包含了光伏,蓄电池等模块,能很好地仿真出各个模块的特性(The simulation model of the microgrid contains modules such as photovoltaics and batteries, which can simulate the characteristics of each module well.)
已知动力系统方程,利用质量、刚度和力向量,求解响应程序(According dynamic system equation, including mass, stiffness and force vector, it is the program to be used to solve response)
节点度是指和该节点相关联的边的条数,又称关联度。 特别地,对于有向图, 节点的入度 是指进入该节点的边的条数; 节点的出度是指从该节点出发的边的条数。(Node degree refers to the number of edges associated with the node, also known as the degree of association. In particular, for a directed graph, The ingress of a node is the number of edges entering the node; The out-degree of a node is the number of edges that start from that node.)
abaqus 使用技巧-Inp文件中单元类型改变时,一定要注意,划分网格的时候是否,选用了一种望各类型,比如4变形和3变形的区别,如果用注意将所有的单元类型都做相应的修改。这说明单元类型由2个因素决定,1网格形状,2计算任务.(Abaqus tips-When changing the unit type in the Inp file, be sure to pay attention to whether or not to select a type, such as 4 deformation and 3 deformation, if you use the attention, all the unit types should be modified accordingly. This shows that the unit type is determined by two factors, 1 grid shape, 2 calculation tasks.)
阵元间频率增量按对数增加,发射波束不再按距离周期性出现,发射波束图最大值只有一个。相较于阵元间频率增量固定的传统频率分集阵列,log-FDA能够抗距离相关的干扰,而且发射能量不泄露,具有一定的低截获性能。(FDA with logarithmically increasing frequency offset to achieve a beampattern with a single maximum at the target location. FDA radar with uniform interelement frequency offset, its beampattern exhibits maxima at multiple range values. doe tu the multiple maxima, a number of reflectors located at any of the maxima can interfere the target-return, thus deteriorating SINR.)
频率分集阵列发射波束图仿真,发射波束具有距离-角度耦合性,发射波束图最大值周期性出现,周期等于c/Deltaf。另外,提供了仿真所用的参考文献。(Transmit beamforming of frequency diverse array is range-angle dependent and its maximam is periodic occurrence. the period is equal to c/Deltaf. besides, the references are provided.)
大坝变形的精确预测对其安全评价方面发挥着重要作用。为了进一步提高大坝变形预测精度,提出了一种改进的灰狼算法优化支持向量机的预测模型。通过引入非线性收敛因子和采用动态加权策略,提升灰狼算法优化支持向量机惩罚因子和核函数参数的能力,并以优化的参数来建立支持向量机大坝变形预测模型。选取实例数据,在与布谷鸟算法、差分进化算法、粒子群算法、基本灰狼算法优化的支持向量机预测比较中,实验结果表明,改进的灰狼算法对支持向量机参数的优化是有效的,可以提高大坝变形预测精度。(Accurate prediction of dam deformation plays an important role in its safety evaluation. In order to further improve the prediction accuracy of dam deformation, an improved grey Wolf algorithm is proposed to optimize the prediction model of support vector machine. By introducing the nonlinear convergence factor and using the dynamic weighting strategy, the gray wolf algorithm is improved to optimize the capacity of the support vector machine penalty factor and the kernel parameter, and the support vector machine dam deformation prediction model is established with the optimized parameters. The experimental results show that the Improved Grey Wolf algorithm is effective for the optimization of support vector machine parameters, and it can improve the accuracy of the deformation prediction of the dam.)
灰色预测是通过鉴别系统因素之间发展趋势的相异程度,即进行关联分析,并对原始数据进行生成处理来寻找系统变动的规律。(The grey prediction is to identify the different degree of the development trend between the factors of the system, that is, to carry on the correlation analysis, and to process the original data to find the law of the system change.)
MATLAB仿真案例,滑膜控制MATLAB程序,基于比例切换控制,(Synovial control MATLAB program)