ID 原文 译文
55527 但是,传统PLS回归采用线性关系式来建立内部成分与外部成分之间的关系,已有的非线性PLS在模型可解释性方面存在不足。 However, the traditional PLS regression linear relation is used to establish the relationship between the internal composition with external components, existing nonlinear PLS shortcomings in terms of model interpretability.
55528 针对军用软件成本估算问题的非线性特点,建立了一种基于内部机理的非线性PLS回归模型,给出了模型的推导过程和实现算法。 According to the nonlinear characteristics of military software cost estimation is set up based on the internal mechanism of nonlinear PLS regression model, the derivation process of the model and algorithm are given.
55529 实例分析表明,该方法的估算精度优于多元线性回归,线性PLS回归和基于多项式内部映射的非线性回归。 Example analysis shows that the method of estimating accuracy is better than multiple linear regression, linear PLS regression and nonlinear regression based on polynomial internal map.
55530 考虑武器装备在不同场合下故障率不同的实际,研究将武器装备对应的维修装置分配到维修装备以形成维修装备体系的最优化问题,提出了基于主用场合的维修装备功能规划模型,并运用遗传算法进行模型求解研究。 Considering actual weapon equipment failure rate is different in different situation, study the weapons and equipment allocated to the corresponding repairing maintenance equipment maintenance equipment to form a system optimization problem, puts forward the function based on the use situation of equipment maintenance planning model, a study on model and using genetic algorithm.
55531 首先从维修装备配置种类、故障率差异和维修装置体积三方面分析了维修装备功能规划考虑的问题,建立了以维修装备主用场合故障率和最大为目标的维修装备功能指派模型;进而在证明主用场合故障率和最优值定理的基础上,建立遗传算法适应度函数,求解维修装备种类数量,确定遗传算法初始数值取值范围,并进行了遗传操作选择研究;最后运用Matlab软件进行了40维修装置7场合维修装备规划实例求解,实例证明提出的模型科学合理,求解方法方便高效。 First from maintenance and equipment configuration, the difference of failure rate and maintenance unit volume three aspects analyzes the equipment maintenance function planning considerations, established to repair failure rate and the maximum is the main target of maintenance equipment function assignment model;And in proving the main use cases, on the basis of failure rate and the optimal value theorem, set up fitness function of genetic algorithm, to solve the species number of maintenance equipment, determine the scope of the genetic algorithm the initial numerical values, and studied the genetic operation to choose;By using the software of Matlab for 40 maintenance equipment maintenance equipment planning cases solving, 7 occasions instances prove that the proposed model is scientific and reasonable, solving method is convenient and efficient.
55532 针对扰动条件下的无人机编队飞行控制系统,研究了一种将非线性动态逆(nonlinear dynamic inversion,NDI)理论与超扭曲算法相结合的非线性编队控制方法。 For disturbance under the condition of uav formation flight control system, a nonlinear dynamic inversion is studied (nonlinear dynamic inversion, NDI) theory and the super twisted algorithm control method of combining the nonlinear formation.
55533 以其中一架僚机的编队控制器设计为例,在无人机质心动力学和运动学模型的基础上,建立了基于偏差的编队控制系统,从而将编队控制问题转化为僚机的路径跟踪问题;在二阶滑模控制中超扭曲算法的基础上,设计了僚机的NDI控编队控制器,以消除滑模算法中存在的抖振现象,并实现对位置指令的跟踪及干扰的抑制。 In one of the wingman formation controller design as an example, on the basis of unmanned aerial vehicle (uav) centroid dynamics and kinematics model, based on deviation of formation control system, thus the formation control problem is converted into the path of the wingman tracking problem;Distortion in your second order sliding mode control algorithm on the basis of the wingman NDI control formation controller was designed, in order to eliminate the chattering phenomenon existing in the sliding mode algorithm, and realize the position command tracking and interference suppression.
55534 最后以3架编队无人机构成的编队飞行控制系统为例,对此方法进行了数学仿真,仿真结果表明基于该方法的编队控制系统具有良好的稳定性和鲁棒性。 Finally, three formation consisting of uav formation flight control system as an example, this method for the mathematical simulation, the simulation results show that this method is based on the formation of control system has good stability and robustness.
55535 为了研究加速度计和陀螺信息如何影响捷联惯导系统(strap-down initial navigation system,SINS)初始对准速度,根据系统原理建立了采用不同观测量时的系统观测方程,经过计算可观测状态组合对应系统观测量,分析了基于不同观测量组合时不同状态量的可观测性,同时比较了在运用不同观测量组合时部分状态量估计的收敛性,试验充分证明了可观测性分析的准确性。 In order to study the accelerometer and gyroscope information how to affect the strapdown inertial navigation system (strap - down initial navigation system, SINS) initial alignment speed, according to the principle of the system is established using different observation system observation equation, the calculated observable state combination corresponding system observation quantity, are analyzed based on the amount of different combined observation state observability, and comparison of the part when applying different observed quantity combination state estimate of the amount of convergence, experiment fully demonstrated the accuracy of the observability analysis.
55536 可观测性分析和试验均表明增加比力误差作为观测量并不能提高方位失准角的估计速度,增加陀螺误差为观测量后失准角的估计时间缩短,而只增加导航坐标系东向陀螺误差信息就显著加快了方位失准角的估计。 Observability analysis and test results show that increasing than force error of observation quantity does not improve as the azimuth misalignment Angle estimation speed, increase the gyro error for the estimation of the misalignment Angle after observation time shortened, and increase the navigation coordinate system only east gyro error information is significantly accelerated the azimuth misalignment Angle estimation.