But asynchronous machine is a multivariate close coupling non - linear time - variable parameter system. And it is difficult to control by rule and line through adding exterior signal directly.
而异步电机是一个多变量、强耦合、非线性的时变参数系统，很难直接通过外加信号准确控制电磁转矩。
Basal difficulty on the optimize question of reliability is that when the system optimize the parameter, variable, must evaluate and must calculate the reliability once more.
可靠性优化问题的基本难点在于系统每优化一次，参数、变量就要重新赋值，就要重新计算系统可靠度。
Physical features and frequency of water temperature control system with variable parameter are analyzed.
本文分析了变参数水温控制系统的物理特性及频率特性。
FCCU (fluid catalysis and cracking unit) is a highly non-linear, time variable, long time delay, intensive coupling, parameter distributed, indefinite and complex system.
催化裂化装置是一个高度非线性、时变、长时延、强耦合、分布参数和不确定性的复杂系统。
Afterward, researches have been done into the precision of the whole measuring system from the joint variable and constant parameter of the robot and the influence of the temperature.
随后从测量机器人的关节变量、常值参数和温度影响等方面对整个测量系统的精度进行研究。
This paper put forward the scheme applying modern control theory-state variable quantity observation and control to boiler's main steam temperature control system as well as parameter tuning method.
提出了把现代控制理论的状态变量观测与控制系统理论应用于主汽温度控制系统的方案和参数整定方法。
We used SN388 seismic instrument, grouping and deep embedment geophone, variable parameter of viewing system in this researching area, thus improved construction ways.
在本研究区中，采用了SN388地震仪、中密炸药激发、检波器组合并深埋检波器以及可变的观测系统参数，改进了施工方法。
Based on the nonlinear and time varying parameter of the cabin pressure regulating system characteristics, a control strategy of fuzzy sliding mode variable structure control is proposed.
针对座舱压力调节系统的非线性和参数时变特性，提出了模糊滑模变结构控制方法。
The simplified practical example for homing control system is given. This paper derives a new method for analysis and design of exponential variable parameter control system.
并以自动导引控制系统为例讨论了应用问题，导出对指数变参数系统分析设计的新方法。
The current closed-loop system is composed of current controllers that control variable parameter PI.
并通过变参数PI数字电流控制器构成电流闭环系统。
The variable structure control problem of singular distributed parameter system is studied and uniformly convergence is considered.
研究广义分布参数扰动系统的变结构及其一致收敛问题。
Here, the action of SSSC is taken into account in rotor motion equations of power system and an adaptive nonlinear variable parameter control method for SSSC is proposed.
文章在电力系统转子运动方程中计及了SSSC的作用，提出了SSSC的自适应变参数非线性控制方法。
But the level casing steel in succession the system is a complicated control system, which have the characteristics of the variable, strong coupling more interfering, parameter easy change more.
但水平连续铸钢系统是一个复杂的控制系统，具有多变量、干扰多、参数易于变化的特点。
The instrumental variable method and LILC criterion are used to estimate the order and parameter of electro-hydraulic position and force coupled system.
文中用辅助变量法和LILC定阶准则结合来估计电液位置和力偶系统的阶和参数，根据估计参数的渐近正态性确定模型的子阶和时滞。
A design procedure with constant parameter frequency method is developed for the temperature control system with variable parameter applicable especially to thermodynamics.
提出了热工专业中特殊的变参数控制系统的定参数频率设计法，应用计算机进行了仿真计算并进行了实际系统的测试。
The dynamic characteristics of multi-variable system under parameter perturbations are analysed by System Sensitivity Theory in this paper.
本文运用系统敏灵度理论分析了多变量系统在参数摄动条件下的动态特性。
In the second chapter, the variable structure control problem of a class of uncertain distributed parameter system is studied.
第二章，研究了一类不确定分布参数系统的变结构控制问题。
This paper proposes the order and parameter identification of electro-hydraulic servo system by multi-variable time series CAR.
本文提出了用多变量CAR时序模型来辨识电液伺服系统的阶和参数。
The platform verified that the proposed variable load DC Motor Speed Control System with nonlinear state space model and parameter identification method is effectiveness.
利用该平台验证了提出的变负载直流电机双闭环调速系统的非线性状态空间模型及其参数辨识方法的有效性。
This paper presents a variable parameter PID controller applied to the magnetic bearings system. The parameters turning principle of this controller is proposed.
提出了主动磁悬浮轴承的一种变参数PID控制方案，给出了控制器参数的整定原则。
Its effect of control is superior to that of conventional PID model control, when the model parameter of controled system is variable.
在模型参数有变化时，其控制效果优于传统的PID控制。
Though setting up the model to calibrating the level control parameter PID, the system dynamic performances is optimized in regulating the upper pool water level by variable speed pumps.
建立了整定水位PID调节器的控制模型，优化变速泵控制前池水位变化系统的动态品质。
For solving the problem that DC variable speed system becomes unsteady when armature current is seriously discontinuous, a parameter variable regulator is presented in this paper.
文章就典型的直流双闭环调速系统设计方法进行说明。针对电枢电流不连续时，系统参数发生变化，造成系统性能变差，列出相应的电流环调节器参数的求法。
This method is suitable for the system with variable temperature and pressure. Comparing with the section correlation, the number of parameter is markedly reduced.
压力项因子的引入，使得该方法能够适用于温度、压力变化的体系。
This method is suitable for the system with variable temperature and pressure. Comparing with the section correlation, the number of parameter is markedly reduced.
压力项因子的引入，使得该方法能够适用于温度、压力变化的体系。
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