基于多节点多核的样本级并行仿真技术研究

针对蒙特卡罗仿真的特点,开展了基于多节点多核环境的样本级并行仿真技术研究,设计实现了基于客户端/服务器架构的系统原型,给出了并行仿真实验流程。案例简析表明,该技术能够很好的利用局域网环境下普通PC计算节点以及集群计算服务器各计算刀片上多核处理器的计算能力,大为减少多样本闭环仿真运行时间,提高装备论证效率。

Abstract：

For the characters of Monte Carlo simulation, the research on sample-level parallel simulation based upon multi-node multi-core environment was carried out. The C/S based system prototype was designed and implemented. The experimental process was also given. Case analysis shows that this technology can make use of the multi-core CPUs’ computing power of both normal PC nodes and blades of the cluster server and greatly reduce the simulation time, thus improve the efficiency of equipment demonstration.     

基于BOM的STSS系统仿真设计与实现

以空间跟踪与监视系统（Space Tracking and Surveillance System,STSS）为仿真对象,基于高层体系结构（High Level Architecture,HLA）分布式仿真技术设计、开发STSS仿真系统。分析了STSS技术特点及仿真需求,按照基本对象模型（Base Object Model,BOM）开发标准构建系统的层次化联邦架构,提高了系统开发效率和模型的可重用性。通过对不同场景的多次仿真,初步验证了STSS的性能指标,说明该系统具有良好的适应性。

Abstract：

Based on HLA distributed simulation technology, design and implementation of STSS simulation system, the technical traits of STSS system and demands of simulation were analyzed. According to BOM development standard, a framework in hierarchy of STSS simulation system was constructed, which has effectively improved the efficiency of system realization and the capability of model reuse. By simulating the different scenarios repeatedly, the performance parameter of the STSS simulation system was tentatively verified, and applicability of the simulation system was proved.     

新一代交通仿真技术综述

简要回顾了国内外交通仿真技术的发展历程,总结了新世纪以来新一代交通仿真技术的主要特点。然后,比较分析了当前主流交通仿真模型的特性,并对交通仿真应用程序接口、硬件在环和软件在环交通仿真、在线交通仿真等面向智能交通系统应用的高级仿真技术进行了深入解析。最后,根据我国交通仿真研究和应用的现状,在符合我国交通特性的基础仿真模型研究、交通仿真系统的开发模式、在线仿真技术的开发方法等方面提出了改进建议。

Abstract：

The historical course of traffic simulation in China and abroad was briefly reviewed firstly,and some major features of the new generation traffic simulation technology since 21st century were summarized then. Afterwards,the simulation model characteristics of some prevailing traffic simulation models were comparably analyzed,and several advanced traffic simulation techniques for ITS applications were expatiated,including traffic simulation API,hardware-in-the-loop traffic simulation,software-in-the-loop traffic simulation,online traffic simulation. Finally,based on the state-of-the-practice of traffic simulation in China,some suggestions were given on fundamental simulation modeling fitting for Chinese traffic characteristics,development modes of traffic simulation system,development methodologies of online traffic simulation,etc.     

基于UML的通用3D飞行仿真平台的设计与实现

一个能对不同飞行器进行仿真的综合性平台对飞行器建模和飞行控制算法设计等理论研究工作具有重要意义。采用基于UML的面向对象的程序设计方法,综合利用网络通信与3D视景仿真,数据库,模型库等技术,构建了基于局域网的分布式通用3D飞行仿真平台。通过为飞行器模型设计合适的接口,该平台可以适用于多种飞行器的仿真,大大减少了数据和代码的冗余,具有良好的飞行器通用性和功能扩展性。

Abstract：

Theoretical research on modeling and control of aircraft needs a platform to simulate and verify the correctness and accuracy.A distributed universal 3D flight simulation platform was designed based on UML Object Oriented modeling method,network communications,3D visual simulation,database and model base.This platform could be used for simulating various aircraft by well designed interface of aircraft models.The code and data redundancies are greatly reduced.The platform has a good aircraft universal availability and function augment ability.     

基于虚拟集成技术的ESP硬件在环仿真

针对汽车电子稳定性控制系统的开发,提出了集成ADAMS/Car的整车虚拟样机、MATLAB/Simulink的虚拟控制器和LabVIEW的测控平台的汽车电子稳定性控制的硬件在环仿真方法（VCHIL）,阐述了该方法的实现原理,讨论了基于虚拟集成技术的硬件在环仿真系统的组成及其相互关系,并以此为向导,研制了汽车电子稳定程序（ESP）的硬件在环仿真实验平台,并进行了实验验证。

Abstract：

Aiming at the development of ESP system,hardware-in-loop simulation method based on virtual cross technology （VCHIL）,which combined virtual modal by ADAMS/CAR,virtual controller by MATLAB/Simulink and LabVIEW platform,was addressed.The realization principle of the method was introduced.The structure and relation between parts of hardware-in-loop simulation system based on virtual cross technology were discussed,and according to these,the hardware-in-loop simulation testing platform was developed.Test on this platform was performed and the results were analyzed and compared.     

一种新型UUV半实物仿真系统设计与实现

针对UUV导航与控制系统高精度仿真的需要,设计了一种支持捷联惯导、多普勒测速仪、深度传感器和GPS接收机接入的半实物仿真系统,解决了GPS卫星导航信号仿真、多普勒测速仪水声回波模拟和UUV深浅水航行深度模拟问题,进行了导航与控制系统的半实物仿真试验,分别测试了GPS导航仿真子系统、多普勒测速仿真子系统和深度模拟子系统。试验结果表明,该仿真系统满足了仿真实时性和计算精度的要求,对于UUV研制具有重要的应用价值。

Abstract：

To satisfy the requirement of high accuracy simulation of complicated navigation and control system of unmanned underwater vehicle, a new plan of simulation system was proposed, which afforded the interface environment for SINS, Doppler velocity instrument, depth sensor and GPS receiver. The GPS satellite navigation signal simulation, the acoustic echo of Doppler velocity instrument and the sailing depth simulation were solved. The simulation experimentation combining hardware was processed, and the GPS simulation subsystem, the Doppler velocity simulation subsystem and the sailing depth simulation subsystem were all tested. The results show that the simulation system meets the real-time and accuracy requirements, and the system has important application value for UUV development.     

多机编队队形控制建模及可视化仿真系统设计

针对多机协同作战编队队形控制问题,给出了相应的军事概念模型,提出了基于几何约束的三角形、菱形、主从式等典型树形编队控制模型,并通过可视化仿真技术,构建了可用于制定试飞方案的可视化仿真验证环境。验证结果表明基于该编队队形控制的算法可用于简单的模拟飞行操作和战术对抗、验证飞机模型。

Abstract：

In order to control the form of multi-fighters cooperative combat in formation, the military notion model was introduced. Several typical tree form team models （triangle, lozenge and leader-follower） based on geometry constraint were proposed on multi-fighters flying in formation. Through researching VR technology, a visual simulation testing model platform was built for making a plan of flight-testing mission. The simulation results indicate that the arithmetic can be well used on simulating flight, anti-tactics and valuating the flight models.     

基于KD-DRT的雷达射频信号半实物仿真系统实现

首先介绍了分布实时仿真系统的四层体系结构,从而引出支撑系统KD-DRT;再提出采用这种分层的分布实时仿真技术构建精确制导武器的雷达射频信号半实物仿真系统;对系统模块的层次化分解以及分布系统的时间同步策略进行了分析,最后给出了系统的具体实现结构,验证了KD-DRT针对雷达信号级分布实时仿真的有效性。

Abstract：

4-tier hiberarchy was put forward as the standard architecture of distributed real-time simulation system, and KD-DRT was introduced as a supporting platform. A radar RF signal simulation system for precisely guided missile was constructed based on KD-DRT. The system modules were arranged to different layer according to its time restriction and the time synchronization method of the distributed system was studied. At last, the simulation system was constructed and the efficiency of KD-DRT in simulation of radar signal was proved.     

基于HLA的作战模拟系统一体化设计与实现

为了提高现有作战模拟系统的互操作性、可重用性与可扩展性,完善作战模拟系统的一体化建设,首先,分析了一体化系统建设的主要任务,归纳了其主要涉及的四类十一项关键技术。其次,重点阐述了如何利用HLA仿真技术框架来搭建海军诸兵种一体化作战模拟系统的体系结构,并详细描述了系统间信息交换协议的设计思路,定义了一个对象类、七个交互类及路径空间。最后,给出了系统仿真实现的流程图及其时钟推进机制,并用一个仿真实例验证了设计的可行性。

Abstract：

The research is to improve the interoperability,reusability and extensibility of the existing wargame simulation systems,and to construct an integrated wargame simulation system. Firstly,the main tasks of the research were defined and eleven key technologies in four categories were introduced. Secondly,it was described how to set up an architecture for the Navy arms wargame simulation system based on HLA （High Level Architecture） simulation framework. Also,the design ideas of the information exchange protocol of the system were elaborated,including definitions of object class,interaction class and routing space. At the end,a flow chart and advancing time mechanism were given. The feasibility of design has been verified with an instance.     

基于Extend与HLA的装备保障仿真集成研究

分析了Extend应用于装备保障仿真的不足,在讨论基于HLA的装备保障仿真系统的基础上,提出了Extend与HLA/RTI的四种仿真集成方式,依据Extend模型是否需要与HLA/RTI进行时间同步分别给出了集成方法,设计了基于适配器的Extend与HLA集成框架,详细说明了适配器的组成功能及工作流程,最后利用一个装备保障仿真系统应用实例证明了仿真集成的思路是可行的和必要的。

Abstract：

Because of the shortages of Extend software applied to equipment support simulation,four integration types between Extend and HLA were proposed about the building of equipment support simulation system based on HLA.According to whether Extend simulation model was synchronous to HLA/RTI on the mechanism of advance simulation time,the methods were respectively put forward to support these types,and an integration architecture between Extend and HLA was designed based on a general adaptor.The components and functions of this adaptor,and its running mechanism were detailedly analyzed later.Finally,an application of a simulation system proves that the idea to integrate the two platforms is feasible.     

飞行器机动飞行分布式仿真系统研究

提出了一种基于普通以太网TCP／IP技术的飞行器机动飞行分布式仿真系统的设计方案。仿真系统由五个仿真节点构成，主要用于研究和验证综合信总支持下飞行器机动飞行的制导和控制等问题，以及相应信息链路关系的论证，并借助可视化仿真技术将仿真结果实时的显示出来。分析了仿真系统中仿真管理、仿真同步、飞行器机动模型的应用、实对的仿真可视化显示等关键技术，给出了相应的设计思路和基本的实现途径。最后给出了仿真系统实现的部分结果。     

基于面向对象技术的飞行控制系统仿真框架

在传统的飞行控制系统仿真方法的基础上,提出了一种结合Simulink模型的面向对象飞行控制系统仿真方法。讨论了面向对象软件设计技术在飞行控制系统仿真软件框架设计中的应用。给出了Simulink模型解析器的设计思路以及控制模块的排序算法。使用这种方法,结合Simulink的强大的图形化建模能力,实现了对飞行控制系统的可视化建模和高效率、易维护、可扩展的通用仿真。     

基于HLA的深空探测系统仿真平台

为了仿真验证深空探测中的自主技术,采用基于HLA(High Level Architecture)的分布式仿真技术以及三维视景仿真技术,设计了分布式可视化深空探测系统仿真平台;实现了通用的联邦成员主体软件框架,该软件框架可嵌入不同的仿真实体模块,提高了项目开发的效率。以月球探测器软着陆仿真为例,验证了此仿真平台的可行性。该仿真平台也为进一步验证深空探测的自主技术奠定了基础。     

真实海洋环境视景仿真技术研究

真实海洋环境的视景仿真技术一直是虚拟现实仿真技术的重要研究方向之一。针对此课题,系统研究了三维海洋环境的组成和环境建模技术,从二维电子海图中直接获取海洋地理环境数据,作为虚拟海洋环境视景仿真的数据基础,采用基于Delaunay算法的三维数字地图地形建模方法,将三维地形数据转化为可以直接进行三维建模的ded文件。实验演示了海洋地理信息三维模型库的构建方案、模型示例及三维虚拟海洋环境的实现,取得了逼真的仿真效果。     

基于VR的水电站调度三维图形仿真研究

研究了基于VR的水电站调度三维图形仿真,应用先进的图形技术及VR技术,提出了基于VR的水电站调度图形仿真方法;结合数值理论,提出了水电站图形仿真所包括的三种数学模型;建立了水电站图形仿真数字模型,提出了场景实体、水流实体及水流粒子的数字建模方法;基于虚拟现实技术,实现了可实时交互的水电站调度虚拟场景;进行了工程实例分析,介绍了该方法的应用。     

基于瞄准镜视景的单柄跟踪激光测距仿真系统设计

计算机图形图象技术的发展促进了视景仿真水平的提高，本文就是基于微机以ＯｐｅｎＧＬ为工具的图形图象实时生成技术在火控系统武器装备视景仿真中的应用。文中讨论了动目标（飞机）的视景模型和运动模型、瞄准镜的光学功能仿真模型和运动模型、战地背景的视景模型和运动模型等的原理和实现方法。同时，对在ＷＩＮＤＯＷＳＮＴ下的硬件操作和利用实装进行交互的方法作了简要介绍。     

基于Java和MySQL的虚拟现实动态场景构建方法

虚拟现实建模语言（VRML）作为描述网络三维虚拟场景的标准，已广泛应用于各行业的可视化仿真相关研究，然而VRML以及其新标准X3D在动态场景的构建和场景对象的实时信息获取方面很不完善，通过建立用于存储虚拟场景物体的几何特征参数的MySQL数据库，利用VRML语言提供的JavaEAI编程接口，并结合JDBC数据库驱动技术，实现了基于Java Applet的从MySQL场景几何信息数据库到虚拟现实动态场景的实时快速构建，以及场景对象到对应属性信息数据库记录的连接，最后给出了水电工程混凝土大坝浇筑过程可视化仿真的应用实例。     

航天发射可视化仿真分析技术与应用研究

航天发射领域开展了大量的数字化设计验证、数字化合练与模拟训练、箭地联合仿真评估等数字化实验工作,都涉及航天发射信息可视化的问题.利用虚拟现实技术、系统仿真技术、数据可视化技术等,按照多线程、多模块架构设计思想,以及消息队列系统交互模式,构建了集数据管理、场景管理、计算管理和脚本管理功能于一体的航天发射可视化仿真分析技术...     

可视化分布式自主深空探测器系统仿真

系统仿真是深空探测研究中降低风险和生产成本的有效手段之一,基于计算机三维实时动态显示技术以及分布式仿真技术,设计了可视化分布式自主深空探测器系统仿真体系结构,引入指令执行区间和加锁等待机制解决多线程间的协同。并以探测Ivar小行星为例,对其全过程进行了仿真,证实了此设计方案的可行性。为下一步深空探测研究的相关技术验证提供了一个初步的平台。     

视线跟踪技术及其在多通道用户界面中的应用

介绍视线跟踪技术的基本原理及其在人机交互技术中的应用，并结合作者的多通道用户界面研究工作，阐述了视线跟踪技术在多通道用户界面中的应用与相应的多通道整合方法。