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The bearing-only location is a nonlinear state estimation in essence;the single observer passive tracking may form a unobservable system,makes the tracking filter instable and divergent. 利用角测量估计目标的距离和速度实质上是一个非线性状态估计问题,这种单站被动式跟踪可能构成一个不可观测系统,将导致跟踪滤波器的不稳定和发散。
nonlinear state estimation 非线性状态估计
The effectiveness of the proposed multiple linear model predictive control with state estimation is demonstrated through its application to the exothermic chemical reactor, which is a typical nonlinear unstable process. 最后，将所发展的多重模式预测控制技术应用于典型非线性不稳定的化学反应制程控制问题上，以证实其效能。
First, a static nonlinear state feedblack is designed to obtain an I/O linearized closed-loop system. 首先设计一个静态的非线性状态反馈以获得I/O线性化的闭环系统；
Abstract: A new three-phase state estimation algorithm is proposed and its details are presented in this paper. 文摘:提出了一种新的三相状态估计算法，并详细地阐述了一种三相状态估计的处理策略。
On the basis of the mentioned work, the nonlinear state equation to describe the dynamic characteristics of this kind of the actuator is derived. 在此基础上,推导了描述舵机动态特性的非线性状态方程。
The optimality of two-stage state estimation in the presence of ARMA model random bias is studied. 考虑了具有ARMA模型随机偏差的两段卡尔曼估值器的最优条件问题。
A novel comprehensive nonlinear state feedback controller for steam-valving and excitation system was designed to enhance power system stability. 针对电力系统暂态过程的非线性特性，利用励磁控制和汽门控制的特点，以功角和电压稳定为目标提出一种发电机汽门和励磁综合控制思想。
Abstract: This paper presents an algorithm for dynamic state estimation of power systems. 摘要：本文介绍了一种电力系统动态状态估计的算法。
A kind of Bayesian dynamic model with nonlinear state equation is solved by Tierney and Kadane" s approximate computation. 对一类非线性动态模型，利用帝尔尼和卡登近似对模型进行了模拟计算。
The real-time monitoring to the power network can be realized with the linear state estimation of voltage phasor. 由于对电网电压相量的状态估计是线性的，因此能实时实现对电网的监视。
A fault diagnosis method based on state estimator for a class of nonlinear systems is proposed. 针对一类含有建模误差的非线性系统;研究了基于状态估计的智能故障诊断方法.
The AFO is an adaptive observer with strong tracking properties,which can accurately estimate the unknown time-varying parameters besides nonlinear state function. 该观测器算法是一种具有强跟踪性质的自适应观测器，能在估计非线性状态函数的同时准确估计未知时变参数。
Linear measurement equation and linear static state estimation algorithm based right-angle coordinate are proposed when only PMU measurements are used. 在完全使用相量量测的情况下，提出了基于直角坐标系的实数形式的电力系统线性量测方程，和相应的线性静态状态估计算法。
A nonlinear state feedback control law is designed to decouple the output from the delayed state variables and realize precise linearization between the output and input channels. 文中给出了非线性时滞系统得以解耦的非线性状态反馈控制律；
By calculating a power system model,the state estimation and feedback law with decentralized structure,linear and finite dimension are obtained. 对电力系统的一个模型进行了计算,得到了分散结构的、线性的、有限维的状态估计和反馈律。
A nonlinear exponential function is applied to ESO and nonlinear state error feedback (NLSEF) controller, and it makes the system realize easier operation. 并在系统的扩张状态观测器和非线性状态误差控制器中引入非线性幂指数函数，使系统运算变得更加简单。
The application of dynamic BP network and RBF network to the state estimation of process of erythromycin fermentation was studied. 探索了动态BP网络和RBF网络在红霉素发酵过程状态预估中的应用,比较了它们的收敛速度和学习能力。
H.S.Zhang, L.H.Xie , Y.C.Soh and W.Wang, `` Risk-Sensitive State Estimation for Sngular Systems.” IFAC 15th World Congress, Spain. 2002. 张焕水，邓自立;广义离散随机系统自校正最优预报方法;自动化学报;第22卷;第1期;1996年.
And it offers a new thought of analyzing and studying dynamic linear network, computing continuous power flow and dynamic state estimation. 这为分析和研究动态线性网络、计算连续潮流和动态状态估计提供了一种新的思路。