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The thesis contains five chapters. The first chapter summarizes the development and research of switched reluctance drive, discusses the main research direction, and explains the main work in this paper. In chapter 2, hardware system which includes the design of power converter and various control circuit is discussed. TMS320LF2407 DSP is used to design the hardware circuits of SRM control system, and design details including the current detection, position sensing, fault protection, speed detecting, keyboard and display etc. are provided. Because of the full use of the abundant peripheral resources of DSP, it comes to the aim simplifying the circuit structure and heightening the reliability. In chapter 3, the application of neural network on SRM control system is introduced, a new the application of neural network and the method of sampling is proposed and a simulation system based on Matlab/Simulink is established. Chapter 4 discusses the routine designing issue. Because the modularized programming method is adopted, and multi-interrupt processing technique is used, operation efficiency of the control software is highly raised. At last, the foregoing SRM control system is tested. Speed adjustment is realized, and other targets on the research and design of SRM control system are reached, which establishes a good foundation for further research.

本文共分五章，第一章概述了开关磁阻电机调速系统(Switched Reluctance Drive，简称SRD)及其发展和研究现状，论述了其主要研究方向，并说明了本文的主要工作；接下来的一章主要讨论了SRM的硬件系统，主要包括功率变换器的设计和各种控制电路的设计，本文以TMS320LF2407为核心设计了开关磁阻电机控制系统硬件电路，给出了包括电流检测、位置检测、故障保护、测速电路及键盘和显示电路等部分电路的详细设计，充分利用了DSP的丰富外设资源，达到了简化电路结构、提高运行可靠性的目的；第三章介绍了人工神经网络在开关磁阻电机控制系统中的应用，提出了一种新的应用方式(利用GPFN神经网络调节PI参数)以及如何采取样本，搭建了基于Matlab/Simulink的仿真系统；在第四章中，讨论了开关磁阻电机控制软件的设计，采用模块化编程方法，采用基于多中断的控制程序，提高了控制软件的效率；最后，对所设计的开关磁阻电机控制系统进行了实验，实现了电机调速，达到了开关磁阻电机控制系统研究和设计的预期目标，为更近一步研究打下了基础。

Combine in single-phase kilowatt-hour meter checking meter concrete application of the system , do a simple example to infrared practical application ofdata communication. Because infrared communication interface, it hold person who check meter can finish it easy. The efficiency of improving the work of checking meter greatly , and check meter to exactitudly and stop to some mistakes check.

结合在电度表抄表系统中的具体应用，对红外数据通信的实际应用做了一个简单的例子，在电度表抄表系统中，由于配备了红外通信接口，利用手持抄表器可以方便地完成对电度表的抄录和校准等工作，大大提高了抄表工作的效率，而且抄表精度高并杜绝了估抄和误抄的问题。

If we make the application like a kiosk application!

如果我们像一亭应用应用程序！

Paul Kreutzer: You are likely to apply for a visa, but in the visa application form will ask you a column is not already applied for an immigrant visa, you must honestly answer, in fact, your family already have an immigrant visa, your visa application process, should apply for an immigrant visa.

网友：我的美国客人是否对我的商务签证提供更有力的帮助？Paul Kreutzer：一个人已经被拒签4次的话，她当然可以重新申请签证，当然这个签证申请人必须要确定她整体的条件和过去4次比已经有了比较明显的改善。

This article is divided into several categories of questions, focus on a typical example of the Lagrange Mean Value Theorem to prove the application of the inequality summarized in the hope that readers can better grasp the Lagrange mean value theorem in the inequality in the application of skills .

本文将题型分成几类，集中典型例题，对拉格朗日中值定理在不等式证明的应用中进行归纳总结，希望读者能够更好的掌握拉格朗日中值定理在不等式中的应用技巧。

This article will write divides into several kinds, the centralism typical sample question, carries on the induction to the Lagrange theorem of mean in the application which the inequality proved to summarize, hoped that the reader can better grasp the Lagrange theorem of mean in the inequality application skill.

本文将题型分成几类，集中典型例题，对拉格朗日中值定理在不等式证明的应用中进行归纳总结，希望读者能够更好的掌握拉格朗日中值定理在不等式中的应用技巧。

We have done some study in concept lattice and its application, but knowledge discovery is in a booming stage and there are many problems worth studying on the application of concept lattice theory in this field.

本文对概念格本身及其应用进行了一些研究，但是，知识发现正处于发展阶段，概念格理论在知识发现中的应用还有许多问题值得研究。

The proportion of organic fertilizer in total nutrient inputs had being decreased with time, 2 the recycling ratio of nutrient of organic fertilizer was low, the regional application of organic fertilizer was imbalanced, and 3 over-application of organic fertilizer lead to nitrate pollution of groundwater and heavy metal accumulation in soil.

我国有机肥料利用中存在的主要问题是：①有机肥施用面积逐年减少，肥料结构中有机肥的比重逐年降低，但近年来趋于平稳；②有机肥养分再循环率不高，区域利用状况不平衡；③有机肥过量施用带来的一些环境问题如地下水资源污染、土壤重金属累积等。

Due to the fact that test application time is proportional to the length of the overlapped vector, except that the length of the overlapped vector is far less than the sum of the length of the original individual test vectors, minimal test application time can be obtained.

由于测试应用时间与重叠向量的长度成正比，而重叠向量的长度要远小于原始测试向量的长度总和，从而减少了测试时间。

Based on expounding LIFO's intension, role and its application to the worldwide business management, this paper first analyzes the situation of the LIFO's application in human resource management of tourism enterprises in our country. It then points out that LIFO should be applied in this field in order to increase the staff productivity, improve individual performance and build an excellent staff-team. In this way, i...

在阐述其内涵、作用以及国内外应用的基础上，着重对中国旅游企业运用长处管理策略现状的调查进行了分析，指出必须将长处管理策略运用于中国旅游企业人力资源管理，在促进企业员工事业成功的同时，培养一支优秀的从业人员队伍，以达到产业的预定目标，实现"从亚洲旅游大国向世界旅游强国的跨越"。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。