ID 原文 译文
14135 实验证明,相比于传统方法,该方法在杂波和噪声严重的条件下可以获得更好的慢动目标检测效果。 Experimental results show that: In the environment with serious clutter and noise, this method can achieve better performance on detection of small, slow-moving target than the traditional methods.
14136 针对一类不确定非线性系统,研究了一种结合反步法和自抗扰控制的新的自适应输出反馈控制方法。 For a class of uncertain nonlinear systems,a new adaptive output feedback control method combining backstepping with active disturbance rejection control is investigated.
14137 通过引入扩张状态观测器(ESO)对被控系统的未知状态进行实时估计,同时利用扩张状态观测器实现对系统中的不确定项在线逼近及补偿。 By introducing the Extended State Observer(ESO),the unknown state of the controlled system is estimated in real time. At the same time,the ESO is used to implement online approximation and compensation of the uncertain terms in the system.
14138 通过非线性滤波器对反步法设计过程中的虚拟控制信号进行求导,避免了传统反步法设计控制中复杂性爆炸的问题,并由此设计了自适应输出反馈控制器。 The nonlinear filter is used to differentiate the virtual control signal during the backstepping design process,which avoids the complexity explosion problem in the traditional backstepping design control, and an adaptive output feedback controller is designed accordingly.
14139 通过李雅普诺夫函数证明了这种控制方法的稳定性,验证了闭环系统中所有信号均是有界的。 The stability of this control method is proved by Lyapunov function,and it is verified that all signals in the closed-loop system are bounded.
14140 数值仿真算例进一步验证了该方法的有效性。 Numerical simulation examples further verify the effectiveness of the method.
14141 针对旋转火箭弹非线性动力学系统中存在大量的非线性、多变量耦合及参数不确定等特点,提出一种改进非线性干扰观测器,对高频运动的干扰逼近特性进行观测,结合反演滑模控制,设计反演滑模控制器,并证明了系统的稳定性。 In view of the serious nonlinearity,the multivariable coupling and parameter uncertainty in the nonlinear dynamic system of rotating rocket projectiles,an Improved Nonlinear Disturbance Observer(INDO) is proposed to observe the approximating feature of the disturbance of high-frequency motion.A backstepping sliding mode controller is designed by combining with the backstepping sliding mode control.And the stability of the system is proved.
14142 最后通过仿真对传统观测器与改进观测器的性能进行比较,仿真结果表明,改进观测器具有较高的估计精度和较强的鲁棒性。 Finally,the performance of the Traditional Nonlinear Disturbance Observer(INDO) is compared with that of the improved observer.The simulation results show that the improved observer has higher estimation accuracy and stronger robustness.
14143 侦察吊舱电磁环境复杂度定量度量是构建逼真的战场环境的重要步骤,为解决侦察吊舱电磁环境复杂度难以定量度量问题,分析研究了侦察吊舱所处的电磁环境,从引起电磁环境复杂度的主要影响因素出发,结合环境复杂度因素的客观性及主观性,基于灰色层次分析法及组合理论得到环境因素复杂度计算方法,给出了一个解决定量度量电磁环境复杂度的算法。 Quantitative measurement of the complexity of electromagnetic environment of the reconnaissance pod is an important step for constructing a realistic battlefield environment. In order to solve the problem of the quantitative measurement of the complexity of electromagnetic environment in which the reconnaissance pod is located,an analysis is made to the electromagnetic environment. Starting from main factors that cause the complexity of electromagnetic environment,combining the objectivity and subjectivity of environmental complexity factors, an algorithm that solves the quantitative measurement of the complexity of electromagnetic environment is obtained based on gray Analytic Hierarchy Process(AHP) method and combination theory.
14144 在此算法基础上提出了复杂度等价替换原理,进一步简便算法的计算难度。 Based on this algorithm,the principle of complexity equivalent replacement is proposed to further simplify algorithm calculation.