硬件实现的
- 与 硬件实现的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Using IC or hardware to implement fast block-matching motion estimation is one of important research points for image processing.
利用硬件,尤其是集成电路来快速实现块匹配运动估计是现在运动图像处理研究的重点之一,而受到目前具体存储器带宽的限制,许多快速算法均无法实现。
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The outstanding of this study is: for system hardware design, a new voltage measuring circuit, which is used to measure the voltage of the individual battery of batteries is designed; for the functions of the new instrument, it is used to monitor the battery on-linely and real-timely not only when the battery is on floating charging but also on the course of charging and discharging with the new judging criterion of battery performance. Even more, the battery, which is good in floating charging and actually may be bad, could be found quickly by discharging for a short time periodically. The precision, automation and intelligence of the monitoring system for battery is improved greatly.
本论文工作的突出之处:在系统硬件设计方面采用了一种新的测量蓄电池组中单体电池电压的采样电路;在系统功能方面,不仅实现了对蓄电池浮充状态的实时在线检测,而且通过采用蓄电池组的均匀性判断标准实现了对蓄电池充、放电的动态过程中的性能状态实时在线检测诊断,还可以通过定期短时间放电的方法实现对蓄电池性能的快速判断,及时发现浮充状态时检测状况正常但实际己经存在故障的落后电池,极大的提高了对蓄电池检测的准确性、自动化和智能化程度。
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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。
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Firstly, a comparative study of various schemes, find out the reasonable scheme, then all parts of the system, including hardware design, display and keyboard output control, sound-light alarm functions, recognition, and draw the aspects of electrical diagram, the design of the software to realize the function, can achieve the preset objectives. Completely.
本文首先对各种方案进行对比研究,找出最合理的方案,然后进行系统各部分的硬件设计,包括键盘、显示、控制输出、声光报警、功能识别等方面,并绘制出电气原理图,最后进行软件设计来实现各个功能,完全能够实现预设目标。
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This paper researches on theory and scheme of variable rata sprayer controller based on AT89C52, the design of hardware and software are given emphasis to explain.
文章主要研究了AT89C52单片机实现变量喷雾的工作原理和实现方案,重点阐述了该系统的硬件设计和软件编程。
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The reactive current detecting hardware circuit and current tracking controlling hardware circuit based on TMS320LF2407ADSP are designed carefully. The communication with CANBUS between modules is realized, and the main circuits are analyzed and design in detail.
论文设计和实现了基于DSP的无功电流检测和控制器的硬件电路,实现了模块之间CANBUS通信,对一些具体电路进行了详细设计和分析。
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The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.
本文研究的工作主要包括五个部分:第一,根据船舶辅锅炉的工作特点,设计PLC在船舶辅锅炉自动控制系统中的应用方案,主要有PLC选型及输入输出点的设计,画出系统控制梯形图并分析工作原理;第二,根据交流三速变极调速起货机的工作要求,确定采用PLC控制的方法,进行控制系统的硬件设计和软件设计,并分析工作原理:第三,设计了PLC在三相异步电动机控制中的应用,给出了控制梯形图、程序及输入、输出接线图;第四,研究了用PLC实现船舶组合起动屏自动控制的方法,进行了系统的电源设计和软件设计,给出系统工作流程图;第五,探讨了船舶机舱监视系统应用PLC的可行性,将继电器报警线路改为用PLC控制报警,给出系统硬件图和软件梯形图,并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析,可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术,而且前者比后者更可靠、更小巧,维护保养更方便的结论,从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn
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The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.
结合航天某集团液压测试中心测试系统的需求,提出了基于VXI总线的液压测试系统的整体设计方案,完成了测试系统的硬件设计与软件设计,包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容;以伺服阀动态特性测试为例设计了测试模块,该模块体现了VXI总线仪器软件开发所倡导的"虚拟仪器"的思想,以软件的灵活应用满足了不同的测试需求;结合自动测试系统的发展,研究了VXI测试系统与网络技术结合,实现各种软硬件资源共享,进一步提高设备及数据的利用率和系统的扩展性,使自动测试向综合化、网络化方向发展;研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题,讨论了伪随机信号的产生机理,从频域和时域分析了伪随机信号的性质及其应用,提出了用逆重复伪随机信号弥补了普通伪随机信号的不足,并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化,可以更合理而不是凭经验产生需要的逆重复伪随机信号。
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The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.
结合航天某集团液压测试中心测试系统的需求,提出了基于VXI总线的液压测试系统的整体设计方案,完成了测试系统的硬件设计与软件设计,包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容;以伺服阀动态特性测试为例设计了测试模块,该模块体现了VXI总线仪器软件开发所倡导的&虚拟仪器&的思想,以软件的灵活应用满足了不同的测试需求;结合自动测试系统的发展,研究了VXI测试系统与网络技术结合,实现各种软硬件资源共享,进一步提高设备及数据的利用率和系统的扩展性,使自动测试向综合化、网络化方向发展;研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题,讨论了伪随机信号的产生机理,从频域和时域分析了伪随机信号的性质及其应用,提出了用逆重复伪随机信号弥补了普通伪随机信号的不足,并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化,可以更合理而不是凭经验产生需要的逆重复伪随机信号。
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In view of these shortcomings, this frequency meter has made the radical innovation in the design, its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter, the integration rate is high, the volume is small, consumes the electricity province, function, has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator, the measuring range choice, the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter, frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely, caused the frequency measurement measuring range the choice, the frequency data survey, the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on, thus has realized the frequency measurement and the sampling work intellectualizes completely, causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently, also might take in the large-scale automatic control or a test system intelligent subsystem.
针对这些缺点,本频率计在设计上作了根本的革新,其优点是:所用核心器件是先进的单片专用测频器件——单片频率计,集成度高,体积小,耗电省,功能强,实现了频率计的高度集成化和微型化;单片频率计只要加上晶振、量程选择、频率显示等很少量的器件即可构成一个DC至10MHz的微型基本测频电路;而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口,使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行,从而实现了测频与采样工作的完全智能化,使得本系统既可独立构成一个微型智能测率仪器的核心电路,也可作为大型自动控制或测试系统中的一个智能子系统。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力