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控制理论

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The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析,为进一步优化设计AWG及提高其性能提供了理论依据,而优化设计计算数值方法解决了AWG优化设计计算的复杂问题,为进一步建立AWG的计算机设计系统提供了基础;AWG光信号处理的特性分析,提出了AWG应用的新领域,为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径;波长传输矩阵变换关系的建立,不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法,而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用,能有效而准确地确定波长的路由关系,为实现节点波长传输路由的监控和管理提供有效手段;基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法;控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面,为建立自动交换光网路提供了一定的基础;时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化,为色散积累和色散补偿提供有效的分析参数。

With the cigarette machine of PASSIM8T model as example, have discussed the infrared type smoke specific disposition that pays the in average weight control systematic basic requirement, enforcement method and control system in this type cigarette machine , have offered theory basic and actual guidance for this systematic application on PASSIM 12K cigarette machine.

以PASSIM87型卷烟机为例,讨论了红外式烟支平均重量控制系统在该型卷烟机中的基本要求、实施方法和控制系统的具体配置,为该系统在PASSIM12K卷烟机上的应用提供了理论基础和实际指导。

In accordance with these questions, one kind of method solving these issues was put forward in this text, and namely adopting mathematics to build the method of pattern, by w-ay of studying the big needle drum system of PASSIM's cigarette machine, to use the mathematical model of big needle drum system of " black box " method establishment, and uses whole parameter and the correlation coefficient to map out the big needle drum system mathematical model of least square method, the question time lapse that what in accordance with the system exists pure adopts Smith compensator to estimate the compensator in advance solving the issue of system lag, and uses whole fixed method of frequency conversion control engineering and PLC's control engineering and PID etc to put into effect transforming to the system, and finally by way of theory verify and reality to verify to prove the success of system transformation.

针对这些问题,本文提出了一种解决这些问题的办法,即采用数学建模的方法,通过研究PASSIM卷烟机大针鼓系统,利用"黑匣子"方法建立大针鼓系统的数学模型,并运用最小二乘法整定出大针鼓系统数学模型的参数及相关系数,针对系统存在的纯时滞问题,采用史密斯预估计补偿器来解决系统滞后的问题,并利用变频控制技术和PLC控制技术、PID参数整定方法等对系统实施改造,最后通过理论验证和实际验证证明了系统改造的成功。

The performance analysis and control of hybrid systems are difficult when the parameters perturb uncertainly. Therefore, it is necessary to propose the powerful approaches for robust performance analysis and control.

当系统参数存在不确定性时,系统的性能分析和控制变得非常困难,因此,给出混杂系统在参数不确定情况下的鲁棒性能分析和控制方法在理论和应用两方面都具有重要意义。

The grey predicative control is a fully new control mode based grey system theory.

灰色预测控制是以灰色系统理论为依据的一种全新的控制模式。

In the traditional PID control parameters for self-tuning algorithm for the introduction of artificial intelligence theory, first of all, the control of human experience expressed as self-tuning algorithm for the primary rules.

在传统 的PID 控制的参数自整定算法中引入人工智能理论,首先将人的控制经验表示成自整定算法主要规则。

Applying the aforementioned results of theoretical research to capacity proximity fuze, the paper proposes the anti-interference information criterions with certain widespread sense, basically realizes the technique of the adaptive burst-point stability control of capacity proximity fuze. Finally, the paper provides the design block of softwave and hardware of the signal processing system of capacity fuze and its simulation system, and gives the results of simulation and shooting range test, which verifies correctness of the results of the theoretical research of this paper.

本文将上述理论研究结果应用于电容近炸引信,提出了具有一定普遍意义的干扰信号抑制准则;基本解决了电容近炸引信稳定炸点控制技术;文章最后给出了电容近炸引信信号处理系统的软硬件设计框图、仿真系统设计框图及有关仿真和靶试结果,既是作者所做具体工作的反映,也是对本文理论研究所得结论的有力证明。

How to measure exactly the coal mass of pulverizer in fossil power plant? It is one of primary causes that the efficiency of milling control is low and the automation is difficult to running. In this paper a method of solving uncertainty problem-evidential theory was studied principally from the view of the multiple sensor information fusion.

火电厂中钢球磨煤机筒内存煤量的测量问题一直是制粉控制效率低和自动控制难以投入运行的主要原因之一,本文从多传感器信息融合的角度出发,重点研究了一种解决不确定性问题的有力方法——证据理论方法。

This dissertation involves the study of the growth dynamics of colloidal particles under unequilibrium and irreversibility condition. Firstly, it is of interest to investigate whether the ideal diffusion or reaction-limited aggregation universal behavior can be observed for the initially polydisperse practical system of basic yttrium carbonate as well. The fractal structure of basic yttrium carbonate aggregate cluster was observed using transmission eletron microscopy. The aggregation kinetics of basic yttrium carbonate colloids was studed using dynamic 1ight-scattering techniques. At 1.00mol/l NaCl solution the fast diffusion-limited aggregation behavior was observed with an increase in the aggregate size over time described by a power law. The aggregates are characterized by a fractal dimension D=1.82. The disordered and ramified cluster is consisted of primary colloidal particles and tenuous and more open. These are in good agreement with those observed for other colloidal system such as colloidal gold (1.86), silica (1.85) and polystyrene latex (1.82) in diffusion-limited aggregation from the static and dynamic light scattering by Lin. Therefore ideal diffusion-limited aggregation behavior can be observed in practical polydisperse system as well. Smoluchwski and fractal theories were used to obtain the aggregation rate constant for initially polydisperse system for the first time.

本论文研究胶粒的非平衡不可逆聚集动态学,分为两个部分,第一部分是通过实验研究一个新的初始多分散的碱式碳酸钇胶粒实际体系中,聚集标度性质的普适性,即使用透射电子显微技术观测聚集粒子簇的分形结构,使用动态激光光散射研究碱式碳酸钇胶粒的聚集动力学,胶粒带电而产生静电排斥作用使得碱式碳酸钇胶粒处于稳定状态,当加入电解质NaCl溶液时,碱式碳酸钇胶粒间的Debye-Hückel屏蔽距离缩短,从而降低静电排斥能垒,引起胶粒发生不可逆聚集,加入电解质NaCl的浓度为1.00mol/l时,碱式碳酸钇胶粒进行快速聚集,经历扩散控制聚集机理,形成结构疏松、更为开放的分形聚集粒子簇,其分形维数为1.82,碱式碳酸钇胶粒聚集增长动力学遵循幂函数增长规律,与Lin等使用静态激光光散射和动态激光光散射测量硅胶(1.85)、金胶(1.86)和聚苯乙烯胶乳(1.82)在扩散控制聚集状态形成聚集粒子簇的分形维数值以及粒子簇聚集增长的动力学规律相一致,表明胶粒聚集标度性质的普适性质在初始多分散的实际体系中也是存在的,首次由动态激光光散射的实验数据得到初始多分散胶粒分形粒子簇的聚集速率常数,并且其值与Smoluchowski聚集速率理论预期相符。

Some key part is ameliorated to meet the demands of working. This thesis mainly includes:(1) Analysing the working principle of the spring operateing mechanism, expatiating the character of the mechanism;(2) With the design aim of the spring operating mechanism, accomplishing the design of ZW□-12/630-20 outdoor HV vacuum breaker based on the systemic design theory of the spring operating mechanism, which includes spring mechanism of open-close switch; cam mechanism based on the principle of power balance; buckle-off mechanism with force-minished device; ratchet wheel mechanism with number-increased detent;(3) In the design on the spring operating mechanism for the outdoor vacuum breaker, using the air cushion device with speed controller to ensure the steady working of the spring operating mechanism;(4) Accoding the problem of daily maintenance for HV circuitbreaker, giving some effective steps of daily maintenance.

论文工作主要包括以下几个方面:(1)从真空断路器弹簧操动机构的功能原理出发,详细分析了该机构的工作原理,阐述了机构工作的基本特性;(2)根据工程实际提出了真空断路器弹簧操动机构的设计目标,在系统分析弹簧操动机构设计理论的基础上,完成了ZW□-12/630-20型户外真空断路器弹簧操动机构的设计工作,其中包括真空断路器弹簧操动机构的分合闸弹簧机构的设计;以输出力特性曲线设计机构理论演化出的功率平衡原则为基础的凸轮机构的设计;带有减力机构的滚动摩擦扣结方式的脱扣机构设计;根据实际情况增加了棘爪数量的棘轮机构设计;(3)在真空断路器弹簧操动机构的设计中,引入了速度控制模式空气缓冲器,对惯性负载起到了良好的自动缓冲效果,从而保证了真空断路器弹簧操动机构稳定、有效地运行,保证了真空断路器的动作质量;(4)针对目前真空断路器运行过程中存在的问题,提出了有效的日常维护措施。

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推荐网络例句

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。