pwa

Model Identification of Piecewise Affine ( PWA ) Systems Based on Fuzzy Cluster

基于模糊聚类的PWA系统的模型辨识

Singular H_ ∞ Control Problem for Augmented PWA System

增广PWA系统的奇异H∞控制问题

Preparation and Properties of SPPEK / PWA Proton Conductivity Composite Membranes

SPPEK/PWA质子导电复合膜的制备与性能

Preparation and Properties of SPSF / PWA / SiO_2 Composite Proton Exchange Membranes

SPSF/PWA/SiO2复合质子交换膜的制备与性能

Using the method named v-resolution to set up discrete-time hybrid model and then transform to PWA form .

研究了一种称为？分解建模的方法，建立了离散时间混杂模型，并将其转换为PWA形式。

It is demonstrated that how multi-parametric programming can be used to simultaneously obtain robust one step reachable set and the associated PWA feedback controller .

利用多参数规划计算系统的鲁棒一步集，同时得到系统的鲁棒一步可达集和相关的控制器。

In engineering practice , there are many hybrid systems described by piecewise affine systems ( PWA ) which are composed of linear subsystems and convex polytopic regions .

在实际工业过程中，大量存在着一类用分段仿射结构（PWA）表示的混杂系统，这类系统常用一组线性子模型与其相应的作用域凸多面体表示。

Simulation results show that stochastic PWA modeling method of wind turbine with H ∞ fault-tolerant control method can better solve the random nonlinear dynamics modeling and fault-tolerant control problems of the wind turbine .

仿真结果表明风力发电机组的随机PWA建模方法与H∞容错控制方法能较好的解决风力发电机组的随机、非线性动态特性的建模与容错控制问题。

As the loss of PWA under high temperature needs to be further restricted , SPPESK / PWA-PPy composite membranes were prepared by surface polymerization with pyrrole .

为进一步限制PWA高温时的流失，对杂化膜表面进行聚吡咯改性制备复合膜。

The proposed algorithm translated the PWA modeling problem to the Mixed Integer Quadratic Programming ( MIQP ) firstly , and then the PSO was employed to deal with it .

该算法将PWA多模型建模问题转化为混合整数二次规划（MIQP）问题，并基于PSO算法对其进行优化求解。

TEOS , PEG and PWA as precursors , SiO_2 / PEG / PWA inorganic / organic hybrid PEMs have been prepared through sol-gel process .

采用正硅酸乙酯（TEOS）和聚乙二醇（PEG）作为先驱体，通过溶胶-凝胶法制备了磷钨酸（PWA）掺杂的SiO2/PEG无机/有机杂化质子交换膜。

Objective : To screen and identify the gene clones from the cDNA library of the adult Paragonimus westermani ( PwA ) for immunodiagnosis and immunoprophylaxis .

目的：从卫氏肺吸虫成虫cDNA文库中筛选并鉴定可用于免疫诊断和免疫预防的基因克隆。

The western blot examination of PwA with sera of proven cases of paragonimiasis revealed 3 bands , whose protein molecular weights were 25 , 13 , and 8 kD respectively .

经westernblot试验显示，肺吸虫病人血清（抗体）与PwA应答，可出现3条蛋白带，分子量分别为25、13和8kD。

Determination of hemodynamic parameters using PWA is a commonly used method for assessing artery stiffness . The study on the method was started very early in foreign countries and several representative indicators for assessing cardiovascular function have been proposed .

基于波形分析（PWA）的血流动力学指标检测，是一种常用的无创心血管功能评估方法。国外针对该方法的研究起步较早，并已提出了一些经典的评估指标。

Through this method , the hybrid model information of systems is obtained from a set of process data and PWA model of complex process is automatically generated . Based on the PWA Process model , real-time nonlinear predictive controller is implemented .

该方法实现了从过程数据中挖掘出系统的分段仿射模型的信息，自动生成复杂过程的PWA模型，并实现了实时的非线性预测控制。

FT-IR results showed that the Keggin geometry of PWA and PVA were still preserved inside the PWA / PVA composite thin films and a charge-transfer bridge was built between PWA and PVA via hydrogen bond .

红外光谱分析结果表明，Keggin结构钨磷酸和聚乙烯醇分子的基本结构在复合薄膜中仍然存在，钨磷酸分子与高分子底物间存在氢键作用，形成电荷转移桥。

To decrease the conservation of the controller which designed for the PWA systems with constrained control input based on certain switching order , a multi-model predictive control ( MPC ) algorithm is developed by a sequence of piecewise models along the transition trajectory .

针对这种具有确定切换序列的并且带有输入约束的分段仿射系统，为降低一般切换控制器设计的保守性，提出了多模预测控制方法。

The first one is doping some proton conductor in the PBI membrane . These conductors such as zirconium phosphate ( ZrP ), phosphotungstic acid ( PWA ) and silicotungstic acid ( SiWA ) were used .

其一，在聚苯并咪唑膜基体中，掺杂质子导体，比如磷酸锆，磷钨酸，硅钨酸等。

Composite proton exchange membranes are prepared with polyvinyl alcohol ( PVA ), phosphotungstic acid ( PWA ) and alumina ( Al_2O_3 ) . The proton conductivity , water uptake , swelling degree and methanol permeability of the membranes are measured .

在聚乙烯醇（PVA）中添加磷钨酸（PWA）和氧化铝（Al2O3），制得复合质子交换膜，测定其电导率、含水率、溶胀度和甲醇透过系数等性质。

The proton conductivity of the composite membrane reached the maximum of 0.17S/cm at 80 ℃ under 100 % relative humidity . The methanol permeability of SPPEK / PWA was more than 20 times lower than that of Nafion 117 .

SPPEK/PWA膜的质子导率100%的相对湿度下80℃时质子导率为0.17S/cm，室温甲醇渗透系数为1.02×10-7cm2/s，比Nafion117膜低20多倍。

s and the Project will further promote the development of other projects in our village . " A primary school in the village of Zi Pwa in Magway State , just a few kilometers away from the oil and gas pipeline , is also one of the beneficiaries .

们村其他项目的发展。”马圭省的希巴村小学也是项目收益者之一，该小学距离管道只有几公里远。

A PWA controller is designed . A local linear controller is determined for the PWA approximate model in the region where the desired close-loop equilibrium point lies . Stability of the close-loop system in the whole domain of the nonlinearity is proved using a piecewise quadratic Lyapunov function principle .

设计了分段仿射控制器（PWA），在PWA近似模型期望闭环平衡点附近区域设计一个局部线性控制器，应用分段正定李雅普诺夫函数证明闭环系统在整个非线性域内稳定。