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dynamic qualities
相关语句
  动态品质
     Discussion on the Appraisal Way of Dynamic Qualities of Turbine Regulation System
     水轮机调节系统动态品质估算方法探讨
短句来源
     This new control strategy can efficiently eliminate the influence of uncertain perturbations and non-linearity and can enhance control precision and dynamic qualities.
     该控制律能有效消除不确定干扰和非线性因素对系统的不良影响,提高系统的控制精度和动态品质
短句来源
     When ground effect is considered, take-off climb and landing glide performance in wind shear and dynamic qualities in different flight altitute, flight speed, weight, wind shear strength and direction are calculated and analysed.
     计算分析了考虑地面效应情况下,不同飞行状态飞机的纵向近地风切变动态品质和飞机的起飞上升. 着陆下滑特性,并分析讨论了飞机飞行高度、飞行速度、飞机质量、切变强度及其方向对动态特性和起飞着陆性能的影响.
短句来源
     The results show that the character of the base fuzzy logic controller was improved by adjusting some factors of fuzzy logic controller such as scale factor and quantification factors, or introducing correction factors, and all these can make the aircraft complete these maneuvers in shorter time, and can improve the aircraft dynamic qualities.
     结果表明 ,采用模糊逻辑控制器 ,调整模糊控制器中有关参数或采用带修正因子的模糊控制器 ,能够使得飞机在更短的时间内完成过失速机动 ,同时改善了飞机的动态品质
短句来源
     The results are then used to analyze the dynamic qualities of the system.
     利用自控系统稳定性理论对计算结果进行了综合分析 ,评定了静压轴承自控系统的动态品质
短句来源
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  “dynamic qualities”译为未确定词的双语例句
     Preliminary Investigations on the Requirements of Lateral-Directional Dynamic Qualities of MIL-F-8785B(ASG)
     对MIL-F-8785B(ASG)横航向动态飞行品质要求的初步研究
短句来源
     The Dynamic Qualities Change Model for Banana Ripened with Ethylene
     乙烯催熟香蕉品质变化的动态数学模型
短句来源
     Results show that the dynamic qualities of the airplane under microburst can be well displayed by the modeling method.
     结果表明 ,本文提出的建模方法能够更真实地反映出飞机穿越微下击暴流风场的动态特性 ;
短句来源
     This paper, with reference to the data obtained from three Class-Ⅳ airplanes of the People's Republic of China, makes some comments on and analysises of the requirements of the lateral-directional dynamic qualities in Flying Qualities Specifications of the present U.S. piloted airplanes MIL-F-8785B (ASG) and the revisions recommended in reference [ 5 ].
     本文通过国内三架Ⅳ类飞机的计算数据和其它文献,对美国现行有人驾驶飞机的飞行品质规范MIL-F-8785B(ASG)的横航向动态飞行品质要求以及文献[5]对这些要求所提出的修改建议,进行了评述和研究。
短句来源
     The approach separates the fighting region into several small parts. By linearizing the system at boundary points and utilizing H∞ mixed sensitivity method,we design robust controllers satisfying H∞ performance and dynamic qualities at every part. Then the controllers are fitted to a continuous gain scheduled controller which is correlated with the altitude and velocity of the dispenser.
     这种方法将作战空域划分为几个小的区域,在边界点对线性化后的系统利用H∞混合灵敏度方法设计满足系统H∞性能和动态性能要求的鲁棒控制器,然后将控制器拟合成与布撒器飞行高度和速度相关的连续变增益控制器。
短句来源
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  相似匹配句对
     Dynamic
     地方科技动态
短句来源
     DYNAMIC
     动态
短句来源
     Dynamic qualities of airplane landing under downburst
     飞机穿越微下击暴流风场进场着陆运动特性
短句来源
     The results are then used to analyze the dynamic qualities of the system.
     利用自控系统稳定性理论对计算结果进行了综合分析 ,评定了静压轴承自控系统的动态品质
短句来源
     On the Qualities of Teachers of P.E.
     论体育教师素质
短句来源
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  dynamic qualities
There is much to be gained from elaborating the conceptualization and measurement of time use to acknowledge and the employment of its dynamic qualities and meanings.
      
When they participate in community environmental management, they may also develop unique and particularly dynamic qualities.
      
Through Laban Movement Analysis therapists are able to assess dynamic qualities of movement, known as Effort elements.
      
Whether these dynamic qualities can be taught, just as active self-regulation, remains a question.
      
The case illuminates the effect on climate impact and response of traditional management approaches, the dynamic qualities of maturing water systems, socially imposed constraints, and climate extremes.
      
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This paper, with reference to the data obtained from three Class-Ⅳ airplanes of the People's Republic of China, makes some comments on and analysises of the requirements of the lateral-directional dynamic qualities in Flying Qualities Specifications of the present U.S. piloted airplanes MIL-F-8785B (ASG) and the revisions recommended in reference [ 5 ]. The main contents are lateral-directional model characteristics, roll rate oscillations and sideslip excursion characteristics.

本文通过国内三架Ⅳ类飞机的计算数据和其它文献,对美国现行有人驾驶飞机的飞行品质规范MIL-F-8785B(ASG)的横航向动态飞行品质要求以及文献[5]对这些要求所提出的修改建议,进行了评述和研究。并提出了一些自己的看法。主要内容包括横航向模态特性、滚转速率振荡和侧滑幅值特性。

Some servomechanisms, such as rotating stages, recording instruments, etc. with a low velocity input often show a jerky output response in sliding surfaces of moving part. This phenomenon, usually called a "Jerking Motion" or a "Stick-Slip motion", influences the system dynamic qualities greatly. Many authors have investigated it in theoretical analysises and experiments. This paper deals with theoretical analysis of critical conditions of Jerking Motion in a typical thirdorder servomechanism with dry...

Some servomechanisms, such as rotating stages, recording instruments, etc. with a low velocity input often show a jerky output response in sliding surfaces of moving part. This phenomenon, usually called a "Jerking Motion" or a "Stick-Slip motion", influences the system dynamic qualities greatly. Many authors have investigated it in theoretical analysises and experiments. This paper deals with theoretical analysis of critical conditions of Jerking Motion in a typical thirdorder servomechanism with dry sliding. With the exercise of dimensionless method,thirteen system parameters are combined into four comprehensive dimensionless parameters, which have not only clear sense of physics but also more general representation. To simplify the analysis in calculation, besides, that treatment is of great importance tc choosing parameters conveniently when design of the system. The state equations are solved to employ linear theory to certain time periods, and both a necessary condition for jerking are given. By the aid of computer, critical velocity curves of Jerking Motion are found in digital analysis, and the range of Jerking Motion occurrence is represented graphically in a non-dimensional form. With these curves, it is clear that the Jerking Motion can be prevented by choosing dimensicnless parameters appropriately in given velocity range. Finally, an example is calculated to explain the method of parameters chosen. As a result, smooth motion of the servomechanism in example can remain from stage velocity 0.1 mm/sec to 10 mm/sec.

本文讨论具有干摩擦的典型三阶伺服机构的低速爬行问题,给出恒速驱动时的解析解,并由此得到开始滑动的必要条件以及产生爬行的临界条件曲线。最后通过计算实例,阐明了设计这类伺服机构时参数的选择方法。

The paper analyses the relations between closed-loop system dynamic qualities and linear optimal control weighting matrix Q and offers a sensitivity method for selecting weighting matrix Q. As a practical example, a linear optimal supplement excitation control system is designed for a single machine-infinite bus power system using the presented method. Theoretical . analysis and simulation results have shown that the dynamic qulities of the control system are very satisfactory.

本文分析了闭环系统动态品质与线性最优控制权矩阵Q之间的内在关系,提出了一种线性最优控制系统权矩阵Q新的灵敏度选取法。作为实例,用本文的方法为一单机无穷大电力系统设计了线性最优附加励磁控制系统,理论分析及仿真结果表明,所设计的控制系统动态品质非常令人满意。

 
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