查询词典 controlled variable

The soft-measuring technique is systemically described from the following aspects: auxiliary variable selection, data processing, soft-measuring model construction and model correction. Moreover, in order to solve the problem of measuring temperature of aluminum electrolytic cell, the importation electric power and blanking velocity are selected as auxiliary variable, then the temperature estimated value of the electrolytic cell is calculated. An autoregressive model with controlled item based on Modern Time Series Analysis method is established.

从辅助变量选择、数据处理、软测量模型建立和模型修正等方面系统地介绍了软测量技术；并针对铝电解槽温度高、腐蚀性强、温度难以直接测量的问题，选择电解槽的输入电功率和下料速度作为辅助变量，利用现代时间序列分析法建立了带受控项目的自回归数学模型，从而计算出电解槽的温度估计值。

BMI, urine volume of residual renal, erythropoietin dosage, time of maintenance hemodialysis, change of body weight during hemodialysis intermission, hemodialysis mode, KT/V values, dry body, hemachrome concentration were recorded. Singer-variable analysis and multi-variable Logistic regression analysis were performed to examine the risk factors associated with poorly-controlled hypertension.

选择135例维持性血液透析患者为研究对象，根据血压控制情况分为血压控制正常组和血压控制不良组，观察并记录两组患者的年龄、性别、身体质量指数、残肾尿量、促红细胞生成素剂量、透龄、透析间期体重变化、透析方式、KT/V值、是否达透析干体重、血中血红蛋白浓度等指标，进行单因素分析和非条件多因素Logistic回归分析。

Adopting generalized Jordan block and algebra equivalence transform method, all of the transfer functions at different load points can be transformed to state-space description with time variable. The steady robustness of three different mode of control systems were researched by mathematic analysis. It shows that: for the high order inertia controlled object with the characteristic of nonlinear and time-variable that described by the set of transfer functions, the Luenberger function observer established according to its any algebra equivalence state-space description, if some conditions can be met, there would be a matrix of T with n′n satisfied the Sylvester matrix equation TA- FT=GC.

采用广义约当块及代数等价变换方法，可将分段的传递函数描述转换为变参数的状态空间描述，对3种典型控制系统的稳定鲁棒性所进行的理论研究表明，对同一组传递函数描述的具有非线性和时变特性的高阶惯性受控对象，依据其任一代数等价的状态空间描述所构建的Luenberger函数观测器，在满足一定的条件时，存在n′n解阵T满足Sylvester矩阵方程TA- FT=GC。

Convention V-belt Continuously Variable Transmission, shifts gears the travel mechanism property fixed constraint, unable full into full play initiative control advantage, to engine and Transmission on the go to hold optimum match, Also takes into consideration acceleration and fuel consumption performance, so this paper research Motorcycles with an Electronically-Controlled Continuously Variable Transmission shift gears planning, to use motor power screw, we shall revolve motion changes rectilinear motion, to push driving sheaves achieved to change speed ratio; Comparison between analysis convention CVT speed ratio shift gears curves of acceleration and fuel consumption performance optimum curves, use engine can hold high performance output or low fuel consumption region run.

中文摘要传统皮带式无段变速器(Continuously Variable Transmission， CVT)，换档行程由於机械特性的限制，无法完全发挥主动控制的优点，让引擎与变速器随时保持在最佳的匹配状态，同时顾及加速性能与燃油消耗，所以本文主要研究机车用电子控制式无段变速系统(Electronically Controlled Continuously Variable Transmission， ECVT)最佳换档规划，利用马达与动力螺杆，将旋转运动改变为直线运动，以推动主动滑轮达到改变减速比；分析传统CVT减速比换档曲线与最佳化曲线之加速性能及燃油消耗比较，使引擎能够保持较高性能输出或较低油耗区间运转。

This paper develops a RF analog predistorter by utilizing the gate-voltage controlled variable resistance characteristic of FET when it biased in a variable resistance zone. The predistorter also offers certain gain while linearizes the amplifier.

本文利用场效应管偏置于可变电阻区时的栅压控制变阻特性构成模拟射频预失真器，在对放大器线性化的同时还可提供一定的增益。

The invention comprises a high-voltage generator and a discharged electrode pair which are connected in series in turn, wherein the a capacitor is connected in series in a discharge major loop and the capacitor can be a fixed capacitor or a variable condenser or a padder capacitor and also can be a variable condenser which is controlled by a circuit.

本发明包括依次串联的高电压发生器，放电电极对，在放电主回路中串联有一个电容器；所述电容器可为固定电容器、可变电容器、微调电容器，还可以是受电路控制的可变电容器。

Statistical process control method cent is statistical quality control and statistical performance monitoring two parts, what statistical quality control includes to process of single variable count is controlled and be based on statistic to return to is soft measure a technology, method of statistical performance monitoring includes advocate yuan analysis, independent the much more variable and umbriferous technology such as yuan of analysis and statistical control graph.

梗概： 回顾了统计过程控制的发展历史，介绍了统计过程控制的基本概念。将统计过程控制方法分为统计质量控制和统计性能监控两部分，统计质量控制包括单变量统计过程控制和基于统计回归的软测量技术，统计性能监控方法包括主元分析、独立元分析等多变量投影技术以及统计控制图。

The three-phased half-controlled bridge commutation and stabilizing voltage adjuster of permanent-magnet generator , which is also a rectifier, wastes a little electricity power and outputs high efficiency , makes it generate stable direct circuit, solves vehicle's problem of generating stable voltage at variable speed and variable load.

永磁发电机三相半控桥式整流稳压器集稳压、整流于一体，电能消耗少，发电效率高，输出直流电压稳定，解决了汽车用永磁发电机在变转速、变负载工况下输出电压保持稳定的问题。

We analyzed the electro-hydraulic proportional variable displacement piston pump from three aspects of its structure,control principle and mathematical model,and compared the main characteristics of an open-loop controlled pump with a closed-loop controlled pump.

从结构、控制原理和数学模型等3个方面对开环和闭环电液比例变量柱塞泵进行分析，比较二者的主要性能特点。

Based on these design guides, the analysis and design of a low phase noise and low power dissipation, with 0. 18μm CMOS process, integrated Colpitts crystal oscillator with automatic gain controlled feedback loop as the amplitude-limiting technique, low dropout voltage regulation with band gap reference voltage and frequency tuning monotonicity guaranteed by digitally controlled variable capacitor array is performed to revise influence caused by process, voltage and temperature conditions for. handset. The oscillation with very stable amplitude value and frequency value is achieved.

它利用对工作温度、电源电压和制造工艺不敏感的带隙基准源和在集成电路中元件特性之间匹配好的优点产生了一个不随温度、电源和工艺改变而且可以跟踪工艺变化的参考基准电压，同时通过自动频率控制环路利用数字电路控制可变电容阵列控制瞬态频率稳定度，校正温度、电源和工艺改变对频率的影响，从而可以在很宽的电源电压范围(2.7v—3.7v)和温度范围(-40℃—125℃)以及CMOS工艺参数变化(TT、FF、SS、SF、FS)的条件下提供幅度稳定、频率稳定的振荡输出信号。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。