1) wind disturbance
风扰动
1.
The influence of wind farms under various wind disturbances on the frequency stability of the interconnected grid was simulated,and the relationship between frequency stability of the grid and parameters of wind disturbances were obtained.
重点研究了风电场受各种风扰动的对所连接电网频率稳定性的影响并进行了仿真,分析仿真结果后得出了电网频率稳定与风电场所受风扰动各参数之间的关系。
2) wind-wave disturbance
风浪扰动
1.
Effects of wind-wave disturbance on heavy metal contents in suspended solids of Lake Taihu;
风浪扰动对太湖水体悬浮物重金属含量的影响
3) wind speed variations
风速扰动
1.
Along with large amount of wind power integrated into the power system, the wind speed variations will bring great influence on the load flow.
大规模风电场并网运行,在风速扰动过程中其输出功率的变化将对系统潮流产生影响。
4) gust disturbance
阵风扰动
1.
Taking into consideration of the effect of model uncertainty,gust disturbance and handling qualities requirements for a helicopter in Aeronautical Design Standard,ADS-33E-PRF,we propose a robust flight control strategy based on tracking decoupled method for an unmanned helicopter.
综合考虑直升机不确定性、阵风扰动影响及飞行品质规范对直升机操纵品质的要求,提出了一种基于跟踪解耦的无人直升机鲁棒控制方法。
5) eolian sand disturbance
风成沙扰动
1.
Anomalies of most ore-forming elements in -40 mesh of stream sediments remarkably weaken or even disappear owing to the eolian sand disturbance.
研究表明 ,风成沙扰动层的元素分维呈现突变特征。
6) easterlies vortex(EV)s
东风带扰动
补充资料:持续作用扰动下的稳定性
持续作用扰动下的稳定性
stability in the presence of persistently acting perturbations
持续作用扰动下的稳定性仁咖幽勺协触脚。曰盆兄of哪滋众团ya曲嗯碑由州画d.侣;yc功后”.即c几np班noc”-,。110朋益e拍即IO四,x BO3M脚日e朋,xj 初值问题 交=f(x,r),x(t。)二x。,x任R”(*)之解x。(t)(t)t。)的如下性质:对每一个。>O都有一个占>O使得对每一个适合不等式!y。一x。}<占的夕.,,以及满足以下条件的每一个映射g(x,:): a)在集合 E:={(x,t):t)t。,{x一x。(t)i<。}上g和g,都连续; b)s印(:,,)。::}夕(x,t)一f(x,t)I<吞,初值问题 乡=g(y,t),夕(t。)=夕。,夕任R”的解y。(t)对一切t)屯,有定义且满足不等式 suP}y。(t)一x。(t)}<£. r)t。 Bohi定理(B心h】t玩”~)(【11).设初值问题(,)有解x(t),t)t。,满足以下条件: 幻f和fx对某个。。在瓦。上连续; 刀)s叩。,:。4}人(x(t),t)}}<+的: 下)映射f在点(x(t),‘),t)t。,处对x可微,这个可微性对t)t。是一致的,即 s叩兴}厂(二(‘)+,,,)一f(、(。),:)+ ,》万。}y} 一人(x(t),亡)yl~0当y一,O时.这时,为使初值问题的解在持续作用的扰动下为稳定,必要与充分条件是:方程组又=厂(x,t)沿解x(t)的变分方程(粗血tiona】叹业tio璐)组的上奇异指数(见奇异指数(s泊g止汀exponents))小于零. 若f(x,t)不含t(即自治系统),而解x(t)为周期的或常值的;或者f(x,t)对t有周期而解x(0也有相同的(或可公度的)周期或者常值,则:l)Bohi定理中所陈述的一致可微性条件是多余的(它可从定理的其他条件导出);2)方程组交=f(x,t)沿解x(t)的变分方程组的上奇异指数可以有效地算出来.【补注】持续作用扰动下的稳定性也称为持续扰动下的稳定性(stab正ty Under pelsis招ni perturhatio幻)或全稳定性(total stabiljty).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条