In this paper, the approximate perturbation range of the state matrix of a linear time-invariant system is given, keeping the system controllability invariant.
本文给出了线性定常系统状态矩阵摄动时保持能控性不变的摄动区间的估计。
It has been proved in experiments that these methods not only improve the efficiency of the hydraulic system, but also the controllability of excavator.
试验证明，这些措施的采用，不仅提高了液压系统效率，而且使挖掘机的操纵性得到明显提高。
Controllability is the capability of the test system to force the Implementation Under test (IUT) to receive inputs in a given order.
可控性是指测试系统控制被测实现(IUT)按照一定顺序接收输入的能力。
This paper shows by means of the analysis for controllability and observability that the present cabin pressure control system is not controllable for all states, so it is not a good method.
本文通过可控性分析和可观察性分析指出，现有的座舱压力控制系统不是状态完全可控制的，因而不是好的方法。
It can be used in the flight test of aircraft performance, controllability, stability, and aircraft system, as well as the flight path measurement of some guided weapons.
该系统可用于飞机性能、操稳和系统试飞的测试，也可推广用于某些制导武器的弹道测试。
This paper shows by means of the analysis of controllability and observability that the present cabin pressure control system is not controllable for all. states, so it is not a good method.
本文通过可控性分析和可观察性分析指出，现有的舱压控制系统不是状态完全可控制的，因而不是好的方法。
In order to improve the controllability and efficiency of manufacturing system, its status information should be hold in time, and then some corresponding measures are taken according to it.
为了提高制造系统的可控性和运行效率，需要及时掌握其运行状态信息，并以此为依据采取相应的措施。
State controllability of a linear system is an important performance of a system and a basic and important concept of the linear system theory.
线性系统的状态可控性是系统的一种重要的特性，是线性系统理论中一个基本而重要的概念。
The stability, controllability and observability of fractional order system are investigated.
给出了分数阶系统的稳定性条件、可控性和可观性判断依据；
This system can improve the controllability of SIP network effectively.
该系统可有效地提高SIP网络的可控性和可管理性。
Applying the theories and method of local input in nonlinear geometric control, the paper studies the output controllability for a nonlinear analytic system.
主要研究一类非线性解析系统的输出可控性，给出了局部意义下输出可控的定义。
For the special work environment, the drainage system under mine has strict requirement to its device. In the Auto-drainage system, the controllability of shut-off valve is critical issue.
矿山井下排水系统因其特殊的工作环境，对其设备有着严格的要求，在自动化排水系统中，闸阀的可控性是关键性问题。
Exactly defining and strictly controlling the information channels between system modules or processes was beneficial to the integrity and controllability of the modules or processes.
明确描述和严格控制系统模块和进程之间的信息通道，有利于最大限度地保障模块或进程的完整性和可控性。
Finally, we consider the exact null controllability of the system.
第三部分考虑了系统的精确零能控性。
Its dynamic control mode of vehicle tyre is derived by dynamics analysis, and the linearization, controllability and observability of the system are analyzed.
通过动力学分析，建立了车型弹性倒立摆系统的动力学控制模型，并对系统进行了线性化和可控、可观性分析。
However, the safety and controllability of equipments and information in the communication system have become the important problems.
通信系统的设备和信息的安全、可控日益受到人们的重视。
We study about the approximate controllability of an abstract semilinear control system. By introducing a new sufficient condition, we proved the approximate controllability of the system.
讨论一类抽象半线性控制系统，引入新的充分条件，并证明该系统的近似可控制性。
If a system can transfer toward arbitrary desired state from the arbitrary initial state within a finite time interval under the governing of the control action, then it has controllability.
系统在控制作用支配下能够在有限时间间隔内从任意初始状态向任意希望状态转移，则其具有能控性。
According to the limited controllability of the multivariable coupling system, a PID self-tuning mixed decoupling control method based on DRNN is put forward.
针对可控受限多变量耦合系统，提出了一种基于对角递归神经网络(DRNN)整定的PID混合解耦控制。
Exact controllability of stochastic control system with control energy constraint is concerned.
讨论了控制能量受限下随机控制系统精确能控性问题。
Based on the good experimental results and the controllability for the degree of water fog, the proposed method is useful in extending the field of active noise control in duct system.
鉴于实验结果的良好性，以及雾化量的可控性，实验的方法可望推广到管道的主动噪声控制中。
For the controllability of constant non linear system by using the progression method, the general progression solution of state equation is obtained.
针对定常解析非线性系统进行能控性分析，采用微分方程级数解法得到状态方程的一般级数解，用作能控性分析的基本依据。
An equivalent theorem for the controllability of the system is deduced and the optimal control point is determined.
建立并分析了投梭侧板的弹性体模型和控制系统的状态方程，提出了本系统能控性的系统等价理论。
In this paper, the necessary and sufficient conditions of controllability on a infinite dimensional semilinear system are given.
本文给出无穷维半线性系统能控的充分必要条件及其应用。
It is the tendency for us to set up the information system of possessing controllability based on the idea and method of management.
运用管理思想和手段建立管理型的会计信息系统是大势所趋。
A concept of structural controllability is given for a practical system-inter-val system.
本文针对区间系统定义了结构能控的概念。
A concept of structural controllability is given for a practical system-inter-val system.
本文针对区间系统定义了结构能控的概念。
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