First of all , we have established models of microcosmic traffic flow , such as : car _ send out model , car _ dynamical model , following model , changing driveway model , queuing model , toll station model , adding and diverting traffic flow model , car _ arriving model , model of basic road , net of road model , etc . then i have programmed modules of all models , and determined the method of system simulation 本文主要立足与高速公路微观交通流仿真系统的建模与实现,首先确立微观交通流各仿真模型,如:发车模型,车辆运动模型,跟驰模型,换车道模型,排队模型,收费站模型,匝道合流与分流模型,车辆到达消失模型,基本道路模型,路网仿真模型等。然后编制各模型的实现模块,确定系统的仿真方法。
Its concrete method is : firstly , precondition the program code . secondly , collect information which will be put use to simulate . lastly , make use of the information collected to simulate to compute , and associate with the controlled object ’ s program module to carry out the multi - cyclical closed - loop simulation 它的实现过程是:先对控制计算程序代码进行预处理,接着提取程序代码的结构信息和变量信息,最后利用提取的信息模拟代码做控制计算,并调用受控对象程序模块,得到反馈信号变量的实时值,实现多周期闭环的控制计算仿真。
The paper includes the contents as follows : the second chapter introduces the basic theory of bp neural network , chapter 3 puts forward a solution named divide - assemble , chapter 4 introduces the preprocessing of input population , chapter 5 introduces the basic theory of genetic algorithms , chapter 6 discusses gdr - ga algorithms , 7 part introduces the processing of atm band - width distribution dynamically and gives several program modules among them . chapter 8 introduces the interface , running and results about the software system , the last chapter summarizes research work of this dissertation and further researches arc prospected 本文主要包括以下内容:第2部分阐述bp神经网络基本理论,第3部分介绍了拆分组装方法,第4部分主要介绍了bp神经网络输入样本的预处理,第5部分介绍了遗传算法的发展及其基本理论,第6章介绍的是最速梯度? ?遗传算法,第7部分介绍了atm带宽动态分配过程、子网与总网的学习过程和其中的一些关键程序模块,第8部分介绍的是该系统界面和运行情况,最后一部分总结了论文所做的工作和进一步工作设想。
The system includes four program modules : data - input module , data - processing module , data - display module and standard part maker module . the four are linked by data - processing module . the parametric data used in making standard parts and the data displayed in the graphical interfaces are scored in the database of server 本系统共分为了四个程序模块,分别是数据输入模块、数据处理模块、数据显示模块和标准件生成模块,以数据处理模块为核心,实现各模块间的联系。
Nowadays an enormous change has occurred in both the embedded operating system and its application program module , into which the underlying ideas and principles of component design have been dynamically introduced . in contrast with the traditional one characterized by a fixed architecture , the updated embedded system features flexible structure 嵌入式操作系统及其应用程序模型已经发生了很大变化,组件化的设计思想和设计原则,已经被积极地引入到了嵌入式系统中来,与传统的嵌入式系统相比,体系结构由固定变为灵活。
Then , by programming with c + + , this thesis achieved partly some application examples of remote control network system which are based on this research , including main program module which took charge of initializing system and remote waking up the console of the controlled and getting the hardware information of the controlled , directive text information setup module which took charge of transmitting text and data , command execution module which took charge of executing simple control command , real time oversight module which took charge of transmitting the real time video of the console of the controlled and feeding information back to the console in charge 之后本文利用c + +编写程序,来实现部分基于本研究的远程控制系统中的一些应用实例,采用了模块化程序设计,实现了负责系统的初始化、并远程唤醒对方控制台、获取对方的硬件信息等功能的主控程序模块,完成系统文本信息、数据的传输功能的指令文本信息设置模块,执行简单的控制指令功能的控制指令执行模块,传输对方控制台即时运行画面并将信息反馈给控制端的功能的即时监控模块。
The structure , function and characteristic with the principle and method of tank gauging system are described . then the structure , principle of the circuit and the main chips of the data processing unit are introduced . after this , the software design of data processing unit including rs - 485 ( modbus ) module , 4 - 20ma analog module , on - off module , rtd module , pulse module , calculation and display module , communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized 随后介绍了现场数据处理器的结构,电路原理,所运用的主要芯片;并重点阐述了作者在课题研究中所作的工作,即现场数据处理器软件的设计包括八个功能模块: rs - 485 ( modbus )模块、 4 ? 20ma模拟量采集模块、开关量处理模块、 rtd信号采集模块、频率量采集模块、计算和显示模块、通讯模块、 neuron芯片中的程序模块;以及在课题研究和现场调试过程中遇到的问题及解决办法。