摘要：文章提出了一种双层网格变结构多模型方法用于复杂系统的状态估计。
Abstract: The paper presents a variable structure multiple model estimation based on two-layer model grid, which is used to state estimation for hybrid system.
实例研究表明，此方法具有较高的预测精度，可有效地应用于复杂系统的状态预测和故障趋势预测分析。
Case study shows that the proposed method is of high precision, and can be effectively applied to condition forecasting and fault trend forecast analysis of complex systems.
使用此框架，您可以建模并构建任何复杂的系统作为一组GBean容器和GBean组件，来管理状态、关系和事件处理。
Using this framework, you can model and build most any sophisticated system as a set of GBean containers and GBean components to manage state, relationships, and event handling.
因此，软件团体首次面临的问题——解决状态空间的复杂性——现在面对系统工程和设计团队了。
Hence, the problems first faced by the software community — dealing with the complexity of the state space — now face the system engineering and design community.
复杂系统的概率描述提供了一种状态序列的表示方法，涉及到一个包含符号和字母的符号系统。
The probabilistic description of complex systems offers a representation in terms of sequences of states that can be regarded as symbols, or letters of an alphabet.
通过检查秩数复杂度方法，我已经发现了通过以下问题推出复杂性是有用的：确定系统进入某种状态有多难？
By inspecting the cyclomatic complexity measures, I have found it useful to reason about complexity via the following question: How hard is it to determine how a system got into a certain state?
鉴于钢材价格仍处于低迷状态，全国六亿一千万吨“螺纹钢”中的相当大一部分被用于抵押，这是目前这一复杂系统中最薄弱的一环。
With steel prices still in the doldrums and a significant portion of the country's 610 million tonnes of "rebar" inventories used as collateral, it is now the weakest link in this elaborate scheme.
为了提高监测诊断的效率和自动化、智能化水平，将粗糙集理论引入到复杂装备系统状态监测与故障诊断领域。
In order to raise the efficiency, automatization and intelligentization of condition monitoring and fault diagnosis for complex equipment systems, rough set theory is used to the field.
该子系统用于复杂背景条件下运动目标的实时跟踪，进而为火控系统提供重要的目标状态信息。
The sub-system is designed to track target in real time in complex background and provide the firing control system with important target status information.
由于飞行状态姿态复杂多变，座舱显示系统的画面也要求动态、实时、清晰。
The frame of cockpit display system should be dynamic, real-time and clear to display the complicated and varied flight conditions and attitudes.
首先由键图模型导出系统的状态方程，再采用各种通用的仿真语言，但过程繁琐复杂。
Usually, it is necessary to derive the system state equations from the bond graph and the analyst must use a general simulation language, which is a complicated process.
你可以看到一些工具，声称他们能够清除最复杂的感染，但相信我，就没有保证系统恢复到其原始状态。
You can see some tools claiming they're able to clean even the most complex infections, but believe me, there's no guarantee to restore the system to its original state.
运用分形理论，不仅可以定性，而且可以定量地分析系统的运动状态，从而实现对复杂机械系统的故障诊断。
Used with fractal theory, the running state of the system can be analyzed not qualitatively but also quantitatively, and then the faults of complex machinery system can be diagnosed.
运用分形理论，不仅可以定性，而且可以定量地分析系统的运动状态，从而实现对复杂机械系统的故障诊断。
Used with fractal theory, the running state of the system can be analyzed not qualitatively but also quantitatively, and then the faults lf complex machinery system can be diagnosed.
增广向量法通过扩充输入、状态、输出等向量的维数及系统系数矩阵维数构造增广系统，使复杂问题简单化。
An augmenting system is designed to extend dimension of input, state, output and the coefficient matrixes in the method of augmenting vectors in order to predigest complicated problem.
喜马拉雅山区毗邻南亚季风区，其陡峭的地形和复杂的地表状态在强烈太阳辐射条件下形成了特殊的局地环流系统。
The Himalayas is near the South Asian monsoon region, with a special local circulation system induced by its steep topography and complex terrains.
用状态变量法分析动态系统时，若系统比较复杂，对于状态变量的选择就存在一定的困难。
In a dynamic system analysis with the method of state variable, when the system is more complex, the selection of state-variable has some difficulties.
混杂系统用于描述包括连续状态和离散状态的复杂动态系统。
Hybrid systems have been used to describe complex dynamic systems that involve both continuous and discrete states.
压水堆一回路松动件状态监测系统的关键环节在于如何从复杂背景噪声中提取松动件冲击信号。
The key problem of the loose parts monitoring system for primary loop of pressurized water reactor is how to extract loose parts impact signal from complex background noise.
对风电系统稳定运行状态进行潮流计算，作为风电系统复杂故障前的初始状态值。
Tidway calculation of wind - electricity system in stabilization condition, being taken as the beginning amount of complexity fault.
设计了基于状态相关黎卡提方程(SDRE)方法的控制器，控制增益与系统状态相关，计算复杂程度较高，但控制效果好。
A state dependent Riccati equation (SDRE) based controller was designed, and the controller's gain relates to the state, which results in complexity in computing but good effects of control.
她的研究兴趣主要是理解非平衡状态的复杂系统，特别是理解物理学的一个大难题湍流。
Her general research interests lie in non-equilibrium systems, and particularly on the longstanding problem of fluid turbulence.
通过对广深铁路运营这一复杂系统的分析，采用传统的状态转移与专家系统技术相结合的方法，建立了广深铁路运营仿真平台软件。
By analysing the state transfer of Guangzhou-Shenzhen railway operation system and using expert system technology, a intelligent simulation model for this complicate hybrid system is presented.
生长因子与酪氨酸激酶介导的信号传导有不同程度的激活，而抗增殖和免疫防御的信号传导受到不同程度的抑制，表现出一种系统复杂性的状态。
Growth factor and tyrosine kinase mediated signaling is activated and the signaling against cell proliferation is inhibited in some extent, which show a state of system complexity.
协调系统的协调状态复杂多变，具有不确定性，目前尚缺少评价协调质量的有效方法。
The coordinative conditions of coordinative systems are complicate, variably and uncertainly, thus there is no effective way to evaluate the quality of coordination of coordinative systems up to now.
通过对足球机器人系统的分析和研究，使用模糊手段描述了复杂的足球机器人状态空间；
According to the study and analysis of soccer robot system, fuzzy method is introduced to describe the complex state space of soccer robot.
随着电力系统规模的不断扩大，它的运行状态也越来越复杂多变，调度人员在工作中需要处理大量的数据，任务繁重。
With the development of power system, its operating state is more and more complex. The operators need to deal with a great deal of data, whose tasks are heavy.
随着电力系统规模的不断扩大，它的运行状态也越来越复杂多变，调度人员在工作中需要处理大量的数据，任务繁重。
With the development of power system, its operating state is more and more complex. The operators need to deal with a great deal of data, whose tasks are heavy.
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