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分段微分
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  “分段微分”译为未确定词的双语例句
     The proposed method is simple andcan be easy to carry out. With the same method in optimal control of PLS, the optimal control of piecewiselinear differential inclusions and uncertain PLS and nolinear systems is discussed, andgot corresponding results.
     将PLS最优控制设计的相关分析方法推广到分段微分包含系统、不确定分段线性系统和非线性系统,得到了相应的最优控制的结论,对各类控制系统的最优控制都给出了仿真算例,并用所设计的混合算法进行求解。
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  相似匹配句对
     On the Nonlinear Differential Equations With Diecewise Constant Variable
     具有分段常数变元的非线性微分方程
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     Periodic Solutions of Piecewise Constant delay Differential Equations
     分段常数滞后微分方程的周期解
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     The Pattern of Differential
     微分模式
短句来源
     Differential of fractal function
     分形函数的微分
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     Differential Coefficient of Subsection Function
     分段函数的导数
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In view of the defects of coordinated control system, to employ sectionalized, variable parameter control for PTn module and to employ PD control regularity for feedforward signal of load command are put forward to realize derivative time and variable parameter control of strength, and to realize sectionalized integral, derivative time and variable parameter control of strength for main steam pressure controller, and into the control circuit of primary air setting value of pulverizer, the differential feedforward...

In view of the defects of coordinated control system, to employ sectionalized, variable parameter control for PTn module and to employ PD control regularity for feedforward signal of load command are put forward to realize derivative time and variable parameter control of strength, and to realize sectionalized integral, derivative time and variable parameter control of strength for main steam pressure controller, and into the control circuit of primary air setting value of pulverizer, the differential feedforward signal of load command is introduced. All thesemeasures improve greatly the regulation quality of coordinated control system, raise the response capability of coordinated control system to external load and load running up and down rates, effectively controlling over regulation of main steam pressure and enhancing comminssioning range of coordination.

针对协调控制系统缺陷,提出PTn模块采用分段、变参数控制,负荷指令前馈信号采用PD控制规律实现微分时间和强度变参数控制,主蒸汽压力控制器实现积分分段、微分时间和强度变参数控制,在磨煤机一次风量设定值控制回路上引入负荷指令的微分前馈信号等改进措施,大大改善了协调控制系统调节品质,提高了协调控制系统对外界负荷的响应能力和升、降负荷速率,有效抑制了主蒸汽压力的超调,扩大了协调的投运范围。

This paper analyzes the friction and other forces exerted on the coiled tubing. To reduce largely measuring errors, the data from the horizontal well have been processed by means of the method of least squares; for the convenient of numerical calculation, the cubic spline function has been introduced, and thus the separated point data of the well became a C~2 continuous curve. The frictional resistance model of 3 - D curve locus has been established. After a series of deduction, a differential equation that...

This paper analyzes the friction and other forces exerted on the coiled tubing. To reduce largely measuring errors, the data from the horizontal well have been processed by means of the method of least squares; for the convenient of numerical calculation, the cubic spline function has been introduced, and thus the separated point data of the well became a C~2 continuous curve. The frictional resistance model of 3 - D curve locus has been established. After a series of deduction, a differential equation that can be solved by four orders Longe-Kutta method has been acquired. Thus, the sections' forces, moments and stresses of coiled tubing are obtained.

对连续油管进行了摩阻和受力分析。为尽可能减少测量误差,对水平井数据进行了最小二乘平滑处理;为便于数值计算,又进行了三次样条函数插值,把水平井各离散点数据转化为在整个井深具有C~2连续的分段连续曲线;建立了空间曲线井眼轨迹管柱摩阻模型,对模型进行处理后得出分段微分方程,采用四阶 Lunge— Kutta法求解该方程,进而得出管柱各截面的力、力矩和内力。

This paper presents H∞ output feedback control design of complex nonlinear systems which can be represented by a fuzzy dynamic model. Based on a common Lyapunov function and a piecewise differentiable Lyapunov function respectively, two kinds of new H∞ output feedback fuzzy control design methods are developed. The H∞ output feedback controller can be obtained by solving a set of suitable linear matrix inequalities. An example is given to demonstrate the application of the proposed design methods.

讨论了一类能用模糊动态系统模型表示的非线性系统的H∞输出反馈控制的设计. 分别基于一个共同的李亚普诺夫方程和一个分段微分的李亚鲁诺夫方程,给出了两种H∞ 输出反馈模糊控制的新设计方法.通过解一组线性矩阵不等式,可以得到H∞输出反馈控 制器.最后,举例说明了这两种新的设计方法.

 
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