查询词典 keep under control

An impulsive control scheme of the Lur'e system and several theorems on stability of impulsive control systems was presented, these theorems were then used to find the conditions under which the Lur'e system can be stabilized by using impulsive control with varying impulsive intervals. The parameters of Lur'e system and impulsive control law are given, a theory of impulsive synchronization of two Lur'e system is also presented.

提出了Lur'e系统的脉冲控制系统，利用关于脉冲系统稳定的几个定理，得到了具变化的脉冲区间的Lur'e系统镇定的充分条件；并且给出了Lur'e系统的适当参数与脉冲控制律，使得两个Lur'e系统脉冲同步。

In virtue of these parameters, PID arithmetic using Hebb algorithm was applied to water temperature control. It was found that water temperature was precisely under control, and in disturbed state, well dynamic performance was achieved. A new method for optimum design of PID control based on Hebb algorithm for pasteurism temperature control was showcased in the paper.

在仿真研究所得参数的基础上，运用改进的有监督Hebb学习的单神经元自适应PID算法对热水箱水温进行控制，将其精确保持在目标温度，并且使其在有扰动的情况下具有良好的动态性能。

Then through direct control on the technological level and the outside-policing control of the compulsory implementation of law authority supplemented by the self-policing control of ethical care so as to fulfil the full development of human nature, the ethical problems of network virtual society can finally be brought under control.

在此基础上，对其进行技术层面上的直接控制，同时，依靠法律的强制性施行他律控制，并辅之以伦理关怀的自律控制，实现人性的全面发展，最终实现网络虚拟社会伦理问题的终极控制。

At last, the application of above modeling and control strategies has been demonstrated by the simulations of a nonlinear dc motor control problem. Under this control strategy, system identification phase is not needed, and only a controller based on the recurrent neural network is provided. Because the control and learning laws are designed with stable theory, stability and convergence problems are solved here with rigorous analysis, which can not been analyzed easily when usual BP neural networks are used.

最后通过非线性电机模型的仿真研究，表明了基于上述动态动态递归神经网络模型对非线性系统进行自适应控制的实际可行性，并且采用这种方法不需要对系统进行离线辨识，整个系统只采用了一个基于动态递归神经网络的控制器，由于整个系统是基于稳定性理论设计的，有效地解决了应用BP网络等其它前向网络时系统的稳定性和收敛性难以分析的问题。

PVC insulation jacket and control cables used for 450/750V AC voltage and under control, monitoring and protection of the loop line and so on, the wires used to control a crane used to control cable.

聚氯乙烯绝缘和护套控制电缆用於交流电压为450/750V及以下控制、监控回路及保护线路等场合，该电线应用於控制一种吊机用控制电缆。

PVC insulation jacket and control cables used for 450/750V AC voltage and under control, monitoring and protection of the loop line and so on, the wires used to control a crane used to control cables.

聚氯乙烯绝缘和护套控制电缆用於交流电压为450/750V 及以下控制、监控回路及保护线路等场合，该电线应用於控制一种吊机用控制电缆。

The biological characters of p5CS-bar gene transgenic wheatgrasse and control plants were observed and analysed that none but caudex have marked differences(0.05); The values of plant height、spike length、spike width and stem/leaf are less than control plants, leaf length and leaf width are more than control plants; Under the same condition of growth and climate to compare transgenic wheatgrass with control plants we can see that trning-green sage is advance, defer procreate period, long viridity period, growth speed become slow and the figure of curves is"S", more tillers.

2对转p5CS-bar基因冰草阳性植株和阴性对照植株进行生物学性状观测比较，分析得出：只有丛茎差异显著，显著水平为0.05；株高、穗长、穗宽和茎叶比的值均稍小于对照，叶长和叶宽的值稍大于阴性对照；在栽培、气候相同条件下，返青期相对提前，生育期推后，青绿期延长；生长速度变缓，在整个生育期呈"S"型生长曲线；分蘖能力增加。

Through the computer simulation, the dynamic characteristics of gas turbine, HRSG and steam turbine under the disturbances of the load and inlet working substance parameters of HRSG were studied, and after studying the parameters and the control rule of HRSG water level control system, the parameters of the control system were predicted, and at last characteristics of the system with water level control were analyzed.

通过计算机仿真，研究了燃气轮机、余热锅炉和汽轮机在负载和余热锅炉进口工质参数扰动下的动态特性；对余热锅炉水位控制系统的参数和控制规律进行了研究，确定了控制系统的参数，并分析了系统在加入水位控制后的动态响应特性。

PID control has been successfully used in many fields such as aviation, spaceflight, missile and other industry control system. The study object in the thesis is missile that flies hedgehopping over sea at minimum altitude. Many interference problem must be solved when missile flies at minimum altitude, otherwise the missile would be dangerous of bumping into the sea under the circumstances of bad weather and wave. The different kinds of interference factors are contradictions with requirements of control system, which can not be solved by PID control.

尽管在航空、航天、导弹以及其它工业控制领域PID控制曾经应用的十分普遍和成功，但对本文所研究的某型超低空掠海飞行的导弹，要实现超低空飞行必须处理好各种干扰问题，否则，在恶劣的气象和海情的条件下便有使导弹与海浪相撞的危险。

Based on the crack control criterion, the deflection control criterion in ultimate state of service and the strength control in the ultimate state of load-carrying capacity and the nominal steel percentage of section of beam, the formulas for the calculation of the control moment capacity of T-beam and bridge under the limiting deflection condition、the limiting cracking condition and the ultimate strength state were given, respectively.

在提出名义配筋率概念的基础上，基于结构正常使用极限状态的变形控制、裂缝控制，承载能力极限状态下的强度控制，推算不同极限状态下被预测梁的控制弯矩，并建立了桥梁结构承载能力预测方程，从而完成桥梁结构实用动力预测全过程。

We have limited budget let me know if you can do this competitively.

我们有限的预算让我知道如果你能做到这一点竞争力。

We don't know how other critters breathe--lizards, for example.

我们还不知道诸如蜥蜴之类的动物如何呼吸。