ID 原文 译文
6034 然后,为增强覆盖率,采用分簇部署策略,将传感器部署过程分为多个阶段,并结合各阶段特点分别采用微粒群和改进虚拟力算法进行求解。 And then, to enhance coverage, using clustering deployment strategy, sensor deployment process can be divided into several phases, and combining with the characteristics of each stage respectively by using particle swarm and improved virtual force algorithm to solve.
6035 实验表明,改进d-Xdraw算法能够在牺牲少量精度的同时,有效提升可视域的求解速度; Experiments show that the improved d - Xdraw algorithm to sacrifice a few precision at the same time, enhance the speed of solving the visible range;
6036 相较于传统的直接优化部署方法,多阶段分簇部署方法可节省最多26.7%的运算时间,覆盖率可提升10.9%。 Compared with the traditional direct optimization deployment method, multi-stage clustering deployment method can save up to 26.7% of the operation time, can promote 10.9% coverage.
6037 研究了欠驱动无人艇在外界干扰条件下的航迹跟踪控制问题,提出了一种基于干扰估计与补偿的航迹跟踪控制算法,实现了风浪流干扰环境下航迹的精确跟踪。 Underactuated unmanned craft was studied under the condition of the interference of path tracking control problem, this paper proposes a path tracking control algorithm based on disturbance estimation and compensation, achieve the precise tracking of track wind flow interference environment.
6038 算法引入纵向误差作为状态变量对扩张干扰观测器进行设计,实时估计干扰的稳态分量,相比于传统的基于输出反馈干扰估计算法,其灵活性、可控性更高; Algorithm is introduced into the longitudinal error extended disturbance observer was designed as a state variable, real-time estimate interference of steady state component, compared to the traditional estimation algorithm based on output feedback interference, a higher flexibility, controllable;
6039 同时基于纵向跟踪误差的状态估计误差,设计扩张干扰观测器变增益因子,相比于基于常增益观测器的航迹跟踪算法其能够在实现干扰补偿的前提下,有效减小航迹跟踪收敛段的震荡。 Based on vertical state estimation error of the tracking error at the same time, the disturbance observer is designed expansion variable gain factor, compared with the path tracking algorithm based on observer is used to gain the can on the premise of realize disturbance compensation, reduce the track is tracking the oscillation of the convergent section.
6040 基于李雅普诺夫稳定性理论证明了级联控制系统与干扰观测系统在平衡点的半全局指数稳定性,通过仿真对比实验及分析证明了所提航迹跟踪算法的有效性和先进性。 Based on the lyapunov stability theory proved that the cascade control system with disturbance observation system with a global exponential stability of equilibrium, through simulation experiments and analysis prove the effectiveness of the proposed path tracking algorithm and advanced.
6041 针对目前测试性故障样本量的确定方法过于粗糙和试验样本量过大的问题,提出了合理运用信息熵方法对装备系统各单元的测试性先验信息进行信息融合,得到装备系统级测试性试验数据。 In view of the present test failure sample size determination method is too rough and test sample size too big problems, puts forward the reasonable use of information entropy method of the units of equipment system testability a priori information of information fusion, are equipped with system-level testability test data.
6042 在此基础上得到测试性指标的先验分布,并进一步通过Bayes后验风险准则确定故障样本量及试验方案。 On this basis to get the prior distribution of the testability index, and further by the Bayes posterior risk criteria to determine the sample size and test plan.
6043 以某型电动舵机系统各模块的试验数据为例,以故障检测率为测试性指标,经过分析和计算,发现运用所提方法得到的故障样本量相比传统方法明显减少,从而减少了试验成本,同时得到的测试性指标相对误差较小,保证了可信度。 To a certain type of electric steering gear system each module of the test data, for example, in fault detection rate for testability index, through analysis and calculation, found that using the proposed method of fault sample size significantly reduced compared with the traditional method, thus reducing the test cost, at the same time get testability index of relative error is lesser, ensure credibility.