ID 原文 译文
5614 针对以上问题,构建了多阶段备件供应数学模型。 To solve above problems, build the multi-stage mathematical model spare parts supply.
5615 为求解动态优化模型,提出了一种元启发式动态进化算法。 To solve the dynamic optimization model, a heuristic dynamic evolutionary algorithm is proposed.
5616 首先,在经典差分进化算法中增加了环境变化检测算子和环境变化响应策略,使得差分进化算法能够解决环境变化的动态优化问题。 First of all, in the classical differential evolution algorithm is increased environmental change detection operator and environmental change response strategy, enables the differential evolution algorithm to solve the dynamic optimization problems of environment change.
5617 其次,提出了自适应莱维飞行策略,使得算法在环境发生变化时仍能保持良好的全局搜索能力和局部寻优能力。 Secondly, put forward the adaptive levy flight strategy, make the algorithm changes in the environment can still keep a good global search ability and local optimization ability.
5618 算例表明,所提出的动态自适应差分算法能够求得模型的最优可行解,且算法的分布性和收敛性均得到了很大的提升。 Examples show that the proposed dynamic adaptive finite difference algorithm can get the optimal feasible solution in the model, and the distribution and convergence of the algorithm are got a lot of ascension.
5619 针对惯性/卫星组合导航系统中,全球卫星导航系统(global navigation satellite system,GNSS)量测受多径效应影响的问题,提出了一种基于冗余量测的GNSS多径误差抑制方案。 For inertial/satellite integrated navigation system, global satellite navigation system (global navigation satellite system, GNSS) measurement problem, affected by multipath effect is put forward based on the redundancy of GNSS inhibition multipath error.
5620 该方案包含了一个基于量测新息的GNSS多径误差卡方检验器和一个自适应Kalman滤波器。 The plan includes a new rate based on the measurement of GNSS multipath error chi-square test device and an adaptive Kalman filter.
5621 首先,通过卡方检验来判断量测新息零均值的特性丧失与否以检测GNSS量测中的多径误差。 First of all, judging by chi-square measurement to detect new rate characteristics of the zero mean loss or not GNSS multipath error in the measurement.
5622 当检测到量测中存在多径误差时,自适应滤波器根据惯性导航系统的冗余量测估计出当前GNSS测量噪声协方差阵,以合理调节量测权重,增强滤波性能。 When measurement of multipath error is detected, the adaptive filter based on inertial navigation system redundancy estimate the GNSS current measurement noise covariance matrix, at a reasonable adjustment measure weight, enhance filtering performance.
5623 最后,通过仿真与实际跑车试验,验证了该方案能够有效抑制GNSS多径误差,提高了导航精度。 Finally, the simulation and the actual car test, validate the scheme can effectively inhibit the GNSS multipath error, improve the navigation accuracy.