现在,是一个很大的安全裕度。
结果表明,直升机外挂武器之后,其稳定裕度减小;
The results shows that after Carrying weapon the helicopter decrease the margin of stability.
其最大的优点是能够给出稳定裕度并且计算速度快。
Its advantages lay in that it can give stability margin and has fast calculation speed.
接着对缺陷区域进行主应变测量和安全成形裕度预测。
Then the principal strain measurement and forming safety margin prediction in defect regions are conducted.
对现有的电压稳定裕度指标分析方法进行了总结和评述。
The state of the art of voltage stability margin indices is summarized and evaluated.
而直接推力控制可以降低这些裕度,充分发挥发动机的性能。
Direct control of the thrust can reduce these margins and exploit potential performance of the engine.
后掠会增加效率,但是会降低喘振裕度,而前掠有相反的趋势。
Backsweep can improve the efficiency at the expense of surge margin.
根据设计转速下的计算结果,预估了压气机设计点的喘振裕度。
The surge margin at design operating point was estimated by the numerical results.
提出了一种基于轨迹灵敏度的系统能量裕度灵敏度的解析算法。
This paper proposed an energy margin sensitivity analysis method based on trajectory sensitivity.
进行了用相关分析系统辨识方法判别两相流稳定裕度的实验研究。
An experimental study on distinguishing stability margin of two phase flow by means of system correlation identification is described.
综述并分析了基于幅值裕度和相位裕度的PID控制器参数整定方法。
The main tuning methods of PID control parameters based on gain margins and phase margins are summarized and analyzed.
系统电压稳定指标与临界值0之间的距离反映了系统的电压稳定裕度。
The distance between the index value and the critical value of0 indicates the margin of voltage stability.
提出了一种基于PEBS法暂态稳定分析的能量裕度灵敏度计算方法。
A novel method for transient energy margin sensitivity analysis based on PEBS method is proposed.
在保证小扰动稳定前提下,电力系统可承受的最大时滞称为时滞稳定裕度。
Delay margin is defined as the maximum time delay that system can sustain without losing its small signal stability.
综合式自校正PID调节器兼有相位裕度和极点配置两种设计方法的优点。
The hybrid design of self-tuning PID regulator combines the advantage of phase margin design with the advantage of pole placement design.
介绍了基于增益裕度和相位裕度的整定方法,同时对其稳定性进行了讨论。
A new tuning method which based on gain margin and phase margin is showed. And the stability of the controller is discussed.
本文提出了一种基于能量裕度灵敏度下的含有暂态稳定约束的优化潮流算法。
A algorithm for optimal power flow with transient stability constraints (OPFTSC) based on transient energy margin is presented in the paper.
讨论了裕度概念在科学研究、工程设计、系统运行以及日常生活中的应用情况。
Applications of the concept of margin in science, engineering design, system operation and in daily life are discussed.
本文介绍了高场强电磁兼容安全裕度测试工具的一个替代技术:直接电流注入技术。
Direct current injection technique as a substitute of high intensity radiated field test can be applied to EMC test.
对可靠性设计与评估技术进行了讨论,提出了基于性能裕度的可靠性评定的工程方法。
Having discussed the technology of reliability design and evaluation, and suggested an approach of evaluating the reliability based on functional margin.
针对这种情况,提出了一种基于负荷裕度随机特性的方法来计算系统电压失稳的概率。
Therefore, this paper proposes a method to calculate the probability of voltage instability based on the stochastic characteristic of load margin index.
为实施裕度定制,本文开发了能够体现裕度定制思想的轴流压气机二维特性预估方法。
To implement stall margin customizing, two-dimensional performance prediction method of axial compressor for stall margin customizing was developed.
引入稳定裕度与失稳裕度指标,以及稳定域的概念,实现了电力市场稳定性的量化分析。
The stability margin, instability margin and stability domain were introduced to implement quantitative analyse for power market stability.
讨论了最小奇异值表示的电压稳定裕度指标和物理量表示的电压稳定裕度指标间的关系;
The relation between the voltage margin index expressed by minimum singular value and the voltage margin expressed by physical quantity is dis-cussed.
本文从实际应用出发,提出“裕度平衡法”用于双支点非对称布置的滚动轴承选择设计。
For practical application, a balance method of surplus strength is proposed for selection design of rolling bearings which are non-symmetrically arranged and supported at two points.
如果塔板设计没有足够的裕度,这些问题就会影响操作的稳定性,甚至导致液泛的发生。
If the trays are designed without enough allowance, these questions will influence the operating stability; even cause the emergence of the flood.
同时,还首次实现了暂态能量裕度和临界切除时间对网络结构和参数的解析灵敏度分析。
The analytical sensitivity analysis of TEM and CCT to network structure and parameters is also realized for the first time.
随后计算出代表故障特征的振动信号的峰值指标、峭度指标、脉冲指标和裕度指标等参数。
Then peak index, kurtosis index, impulsion index and tolerance index of the vibration signal are calculated. These parameters represent the characteristic of failures.
摘要介绍了上海电网电压稳定功率裕度指标,探索了电压稳定裕度指标的时域仿真校核方法。
The power margin index for Shanghai grid voltage stability is presented, and the time domain simulation checking method for the power margin index is discussed.
采用将最优潮流与连续潮流相结合的方法解决阻塞问题,并使系统运行在电压安全裕度之内。
An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.
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