ID 原文 译文
54997 首先针对直觉模糊信息系统定义了优势关系并研究其性质,给出相关的证明,然后定义了在该优势关系下直觉模糊信息系统目标集的上下近似集并证明其性质。 The intuitionistic fuzzy information system of first define the relationship between the advantages and study its properties, related proofs are given, and then defines the intuitionistic fuzzy information system under the dominance relation upper and lower approximation set and prove the properties of the target set.
54998 接着分析了直觉模糊决策表的研究现状及其不足之处,提出了直觉模糊决策表的条件属性相对于决策属性的属性依赖度、属性重要度的概念,给出了相对属性约简与相对核属性的计算方法,最后通过实例表明所提方法的有效性和合理性。 Then analyzes the research status of intuitionistic fuzzy decision table and its shortcomings, puts forward the conditions of intuitionistic fuzzy decision table attributes relative to decision attribute dependence, the concept of attribute importance, relative attribute reduction and relative core attributes are given and the calculation method of the validity and rationality of the proposed method is verified through the instance.
54999 提出采用灰熵并行分析法引导粒子群算法求解多目标优化问题。 Put forward using the method of grey entropy parallel guide the particle swarm algorithm to solve multi-objective optimization problems.
55000 灰熵并行分析法综合灰色关联分析法与信息熵的特点,对数据序列计算灰关联系数,同时并行地对数据序列计算信息熵及熵值权重,将灰关联系数与熵值权重结合求得灰熵并行关联度。 Grey entropy parallel analysis comprehensive grey relation analysis and information entropy, the characteristics of the data sequence grey relational coefficient calculation, at the same time in parallel on the data sequence to calculate information entropy and entropy weight, the grey relational coefficient and the entropy weight combined with grey entropy parallel correlation is obtained.
55001 通过粒子群算法对优化问题的多个目标构建与粒子数相同数量的目标值序列,计算每个序列的灰熵并行关联度值,利用该值作为算法适应度值的分配策略引导粒子进化。 By particle swarm optimization (pso) algorithm to the optimization problem of multiple target building and the particle number the same number of the target sequence, parallel correlation calculation of each sequence grey entropy value, using the value as a algorithm of fitness value allocation strategy to guide the particle evolution.
55002 以10个典型作业车间调度问题为例进行实验,结果与差分进化算法及遗传算法进行比较,表明灰熵并行分析法可以有效引导各算法进化,使算法在收敛性和分布均匀性方面表现良好,且粒子群算法的优化结果要好于其他两种算法的结果。 10 typical job-shop scheduling problem, for example to experiment, the results comparing with differential evolution algorithm and genetic algorithm, parallel analysis showed that grey entropy can effectively guide the evolutionary algorithm, the algorithm in convergence and distribution uniformity performance is good, and the particle swarm algorithm optimization results are better than other two algorithms.
55003 针对非最小相位欠驱动垂直起降飞行器系统,提出一种位置反馈动态面控制算法。 For non-minimum phase underactuated vtol aircraft system, a dynamic surface position feedback control algorithm is put forward.
55004 首先设计高增益观测器,估计系统未知状态;然后采用动态面控制方法避免Backstepping设计存在的"微分爆炸"现象,同时简化控制律设计过程;最后采用Lyapunov直接法证明闭环系统所有信号一致有界,且跟踪误差通过调节控制器参数可以达到任意小。 It firstly estimates the system design high-gain observer, an unknown state;Then by using dynamic surface control method to avoid the phenomenon of "differential explosion" Backstepping design, simplify the control law design process at the same time;Finally using the Lyapunov direct method to prove uniformly bounded all closed-loop signals, and the tracking error by adjusting the controller parameters can be arbitrarily small.
55005 理论分析和仿真表明,所提方法能减轻计算负担,降低对系统状态的测量要求,实现飞行器位置准确跟踪,并对非线性建模的参数不确定性具有鲁棒性。 Theoretical analysis and simulation show that the proposed method can reduce the computation burden, reduce to the measuring requirement of the system state, realizes accurate position tracking, aircraft and the parameters of nonlinear modeling uncertainty has robustness.
55006 压缩感知(compressive sensing,CS)理论为少量脉冲条件下实现高分辨逆合成孔径雷达(inverse synthetic aperture radar,ISAR)成像提供了新方法。 Theory of compressed sensing (compressive sensing, CS) for a small amount of pulse conditions to achieve high resolution inverse synthetic aperture radar (inverse synthetic aperture radar, ISAR) imaging provides a new method.