系统精度

• The researches of this thesis are carried out around the study and development of adjustable speed digital drive system of permanent magnet synchronous motor ( pmsm ) with wide range of variable speed and high performance , including the analysis of the system structure , the intelligent control method and the design of the system
  本论文的主要工作围绕研制高性能、宽调速永磁同步电动机的全数字交流控制系统为工程背景展开，对控制系统的体系结构、提高控制系统精度与性能的控制方法、以及软硬件设计等问题进行了研究。
• The paper regards the middle hollow electrohydraulic servomotor as studying object and build the mathematical model , the stability and the frequency response of opened - loop and closed - loop system are analyzed . this paper discusses the influences of steady error and static error on system precision in detail
  文章以中空电液伺服马达为研究对象,建立了电液位置伺服系统数学模型,分析了系统的稳定性、开环和闭环的频率特性,详细探讨了系统的稳态误差和静态误差对系统精度的影响。
• Apart from that , it also anlagse the basic princple of ac impedance measurement , and introduce the design and experiment of handware of the workstation in terms of basic princple of ac impedance measurement . the study of this graduation thesis includs the aspects as follwos : ( 1 ) design of measuring circuit diagram . it is designed for the measurment of usual dynamic potentio - scan , experiment of dynamic potentio - scan
  介绍了电化学工作站的三种基本功能和性能指标,电化学交流阻抗测量的原理,并进而提出了电化学工作站的硬件系统结构,构建了电化学工作站的硬件结构设计; ( 2 )下位机的接口电路板和测量电路板设计,在设计中力图提高系统精度、灵活性。
• According to the tracking principle being exploited , we make the simulation plan and flow chart , and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems . the data simulation model of the tracking receiver is built up . using matlab simulation , we verify the fact , investigate the accuracy factors and finally conclude all in practice
  在自动跟踪系统中,跟踪接收机作为核心控制单元,根据所采用的跟踪方式的原理,制订仿真方案,确定仿真流程,重点讨论了天线系统跟踪接收机性能对捕获跟踪系统的影响,研究并建立了跟踪接收的数字仿真模型,通过matlab仿真软件系统进行了仿真分析和验证,研究了各种参数对系统精度的影响,得到了有实用价值的结果。
• Furthermore , it discusses how to improve the reliability and consistency of the system and how to design the constraint files of place and route . at the present , we have tested this responder system roundly . this system is reliable steady and highly accurate and meet our expectant aim
  目前,本论文介绍的单脉冲二次监视雷达应答信号处理器已经完成全方面的测试,系统具有较高的可靠性、稳定性和系统精度,满足设计要求,达到了预期的目的,可以应用于单脉冲二次雷达接收机上。
• This paper confirmed system design scheme of kinetic parameter design of structure and dynamic characteristics design of system and precision design of system through embedded research on system ' s principium , discussed some problem of kinds of sub - system , and presents a feasible system ' s scheme
  本文通过对系统机理的深入研究，确定了以结构的动力学参数设计及系统动态特性的设计及系统精度设计为核心的系统设计方案，综合应用了各种先进技术与技术手段进行综合创新设计。
• Firstly , the paper discusses well logging technology and the development of the domestic and foreign pressure meters , then proposes the sytem scheme design of sjdy - i electronic pressure meter and briefly analyzes its operating principle . secondly , the paper explains in detail the software and hardware design method , presents the design thought and flow charts of every function modules . thirdly , the paper analyzes the pc program , introduces software which adopts the filter and nonlinear regression methods for improve the system precision
  本文首先在介绍了试井技术和目前国内外压力计的发展状况的基础上，进行了sjdy -型存储式深井电子压力计系统总体方案设计，并对该系统的工作原理进行了简要的分析；然后，阐述了sjdy -型存储式深井电子压力计井下仪器部分的软硬件设计思想和设计目标，详细介绍了整个系统的硬件组成部分，并给出了单片机系统(即井下仪器部分)软件的设计思想和各个功能模块的流程；接着，重点分析了sjdy -型存储式深井电子压力计的上位机程序以及各个模块的具体功能，并设计了相应的软件予以实现；最后采用滤波技术和非线性校正方法，来提高整个系统精度。
• Chapter four devotes to the optical system and hardware circuit and gives the solution to the nonlinear elements such as agc , aec , ga mma circuit . the implementation of the software will be discussed in the fifth chapter , and the ways to improve measurement precision will discussed in detail such as neutral network
  第四章介绍了基于cmos图像传感器的光色测量系统的光学系统和硬件电路，对影响系统精度的非线性因素，如： agc 、 aec 、 gamma电路等，提出了具体的解决办法。
• Under the background of the strapdown integrated navigation system ( sins ) , designs some sins with arinc 429 interface , analyzes the communication protocol , and in the guarantee of the system precision and the real - time request , accomplishes the modularized software of the arinc429 interface subsystem , and gives long time debugging and testing results to the sins system . this paper designs the airborne integrated navigation system based on the 1553b bus , completes the bus information flow design , and carries on thorough analysis on the communication protocol of the 1553b bus
  本文结合捷联组合导航系统的应用背景,设计了含有arinc429总线接口的某型捷联惯导系统,分析了其中的arinc429总线协议,并在保证系统精度和实时性的要求下,完成了该捷联组合导航系统中arinc429接口系统的模块化软件设计,并给出对系统长时间联调测试的分析结果。