持续流动的气体会引起藻类在反应器中的扰动和循环。
The bubbling gas causes turbulence and circulates the algae around the reactor.
如果探测器与火星保持静止，那么它向地球发出的信号将会产生频率畸变。由此，我们可以推算出火星轴线的扰动率。
If the rover were not moving, the frequency distortions of its signals to Earth would reveal the rate of wobbling in Mars's axis.
本文讨论了存在未知扰动情况下如何设计双线性多变量系统的观测器问题。
The problem of designing an observer for bilinear multivariable systems in the presence of unknown disturbances is considered.
仿真算例结果表明，在故障发生时，优化观测器可以很灵敏地检测出故障，并能将未知扰动对残差的影响有效地抑制在给定的范围内。
Simulation results demonstrate that the proposed observer can detect the faults sensitively, and the influence of unknown disturbance on residual error can be restrained to a given range.
用MCNP／4B程序，对核活化法反应计算中的截断能量、通量计数方式、数据库、阈探测器之间的扰动等因素的影响作了分析。
With MCNP/4B code, the influence of cut-off energy, flux tallies, nuclear databases and perturbation on the reaction rates calculation with neutron-activation method are analysed.
模型用带扰动观测器补偿的滑模变结构控制，对控制函数切换并受滑动模态控制。
Owing to applying the model of sliding mode variable-structure control that has compensation of disturbance monitor, switching control function was controlled by sliding mode.
对圆盘开沟器扰动土壤的作用域进行了分析，建立了圆盘开沟器的受力模型。
This paper set up a dynamic model of soil range to be moved and develops a mathematical model of disc coulter force.
与航空飞行器相比，高速铁路由于还要面临地面气流的扰动，两车交会时气体的震荡，以及车体通过隧道时的气流变化，因此高速列车的头型设计比飞机更具挑战性。
Compared with the spacecraft instrumentation, the ground air disturbance, the unsteady aerodynamic flow on crossing event and inside tunnel impose more challenges on the head design of HSR trains.
主要结果有：1在随机扰动存在的情况下，基于状态观测器思想，实现了混沌系统的同步。
The main results are: 1 considering the existence of random disturbance, we realize the chaos synchronization based on the state observer.
系统性能分析及仿真实验结果表明该控制器对带有随机扰动的时滞系统具有良好的控制性能。
The system performance analyses and simulating experiment results show that the controller has good control performance to the time - delay systems with random disturbances.
针对一类非线性系统的未知扰动，研究了基于观测器的扰动估计问题。
The problem of disturbance estimation for a class of nonlinear systems is studied based on the observer method.
本文给出了一种扰动情况下线性调节器的设计方法。
This Paper gives a design method of the linear regulator in the disturbed case.
反作用轮是影响航天器姿态控制系统精度的主要扰动源之一。
Reaction wheel is one of the main disturbance sources for the attitude control system accuracy of spacecraft.
在大气层中飞行的飞行器，往往易受大气扰动的影响。
When an aircraft flies in atmosphere, it is often effected by atmosphere disturbance.
文中基于滑模控制方法提出一种改进的自适应姿态控制规律，适用于有内扰动力矩存在的航天器。
An improved adaptive control approach based on sliding-mode control is proposed in this paper for the spacecraft subjected to internal perturbation torque.
阐述了负荷观测器的基本原理，设计了用于抑制轧机咬钢扰动的负荷扰动观测器，并应用到轧钢系统中。
The paper describes the principle of the load observer, designs the load observer which used in control the disturbance of rolling and be used in rolling.
不同直径的取土器对取样扰动的影响程度不同；
The disturbance of soil sample varies according to diameter of sampler.
研究了一类受外部扰动的离心调速器系统的动力学行为。
Dynamic behavior of centrifugal flywheel governor system subjected to external disturbance was studied.
第二，研究具有非线性扰动的广义马尔可夫跳变系统的状态观测器的设计问题。
Secondly, the problem studied involves the observer design for a class of descriptor Markovian jumping systems with nonlinear perturbations.
热扰动是由安装在发动机进口前的氢燃烧温度畸变发生器产生的。
A temperature distortion generator burning hydrogen in front of engine inlet produces thermal disturbance.
本文利用三轴全物理仿真气浮台作为控制对象，模拟航天器在外层空间所受扰动力矩很小的力学环境。
Mechanical environment where spacecraft disturbance torque is very small in out space is simulated making use of a three-axis full physics air-bearing table as controlled object.
这种控制器能实时检测系统的外扰，并通过控制扰动后系统发电机的功角摇摆曲线来进行自动校正。
The controller can detect automatically the real time effect of the disturbances, and compensate it via controlling the generator angle.
本文提出了在交流矢量控制系统中设计线性状态观测器的新思路，并以此重构出负载扰动作前馈控制。
A novel idea of designing and applying linear state observer is presented in this paper to reconstruct the load disturbance for feed forward control in AC. vector control systems.
反作用轮系统是影响航天器姿控系统精度的主要扰动源之一。
Reaction wheel is one of the main disturbance sources that affect the precision of attitude control system of spacecraft.
以可调谐双稳外腔半导体激光器(ECLD)为例，指明了在损耗调制下，扰动近似分析可能会失效。
Taking an external cavity laser diode (ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.
并在研究扰动引起的稳态误差、系统结构及和参数之间关系的基础上，设计了控制系统的扰动补偿器。
A disturbance compensator for the control system is designed on the basis of studying the stability error caused by disturbance, the relation between system structure and parameters.
负载推力观测器和扰动前馈补偿的设计有效地削弱了变结构控制产生的抖振。
The chattering of the VSC system is effectively minimised by designing a load thrust observer and a disturbance feed forward compensation.
反作用轮系统是影响航天器姿控系统精度的主要扰动源之一。
Reaction wheel assembly is one of the main disturbances affecting the accuracy of attitude control system in the spacecraft.
基于状态观测器的方法研究了一类具有非线性扰动的多重状态时滞系统的鲁棒故障检测问题。
A robust RBF ANN-observer-based fault detection scheme is proposed for a class of multiple state (time-delay) systems with nonlinear perturbations.
基于状态观测器的方法研究了一类具有非线性扰动的多重状态时滞系统的鲁棒故障检测问题。
A robust RBF ANN-observer-based fault detection scheme is proposed for a class of multiple state (time-delay) systems with nonlinear perturbations.
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