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虚拟装配系统
相关语句
  virtual assembly system
     The design of web-based virtual assembly system
     基于Web的虚拟装配系统的设计
短句来源
     The fifth chapter analyzes the flow of the virtual assembly, builds the internet-based virtual assembly system.
     第五章分析虚拟装配运动的流程,采用VRML与JAVA语言结合建立基于网络的虚拟装配系统平台,实现基于网络的虚拟装配。
短句来源
     A Distributional Virtual Assembly System Based on Agent Technology
     基于Agent技术的分布式虚拟装配系统
短句来源
     Research on information integration technology between CAD system and virtual assembly system
     CAD系统与虚拟装配系统间的信息集成技术研究
短句来源
     Data transformation from CAD to virtual assembly system
     CAD系统与虚拟装配系统数据转换的研究
短句来源
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  virtual assembly systems
     Modeling, Interference Checking and Simulation of Virtual Assembly Systems
     虚拟装配系统的建模、干涉检验及仿真
短句来源
     Taking product's feature as core, a modeling procedure is proposed to develop virtual assembly systems with an algorithm given to check interference. By this procedure the solution to sequential assembly scheme can be simplified using a hierarchical assembly model to store all the interactions among parts in a matrix.
     以产品特征模型为核心,提出了一种开发虚拟装配系统的特征建模方法和一种干涉检验算法,该特征建模方法采用矩阵存储装配关系的层级装配模型,实现了简化装配序列求解的目的;
短句来源
     In order to solve the problem of human-computer interaction in virtual assembly systems,driver classes for data glove and 3D tracker are formed,integrated with virtual assembly environment. Methods of assessing and strategies of processing raw data are given.
     为了解决虚拟装配系统中的人机交互问题,结合虚拟装配环境,给出了数据手套和三维跟踪器的驱动类,阐述了数据手套和三维跟踪器的原始数据获取方法和处理策略.
短句来源
  “虚拟装配系统”译为未确定词的双语例句
     By using virtual assembly software of eM-Engineer.
     虚拟装配系统采用虚拟装配软件eM-Engineer。
短句来源
     The System of Virtual Assembly of Retarder Product Based on SolidWorks
     基于SolidWorks的减速器产品虚拟装配系统的研究
短句来源
     VDVAS: An Integrated Virtual Design and Virtual Assembly Environment
     VDVAS:一个集成的虚拟设计与虚拟装配系统
短句来源
     The Development of Assembly System for the Plunger Pumpwith VB and Solid Edge
     用VB开发Solid Edge柱塞泵虚拟装配系统的研究
短句来源
     Based on Solid Edge assembly system of gear pump
     基于Solid Edge的齿轮泵虚拟装配系统
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  virtual assembly system
Currently, we are working toward a virtual assembly system as sho,wn in Figure 1.
      
Full assemblies can be brought into the virtual assembly system and separated into the individual components.
      
This paper presented the concepts behind a VR-based virtual assembly system.
      
Using the virtual assembly system as a start, we are going to study various human-in-the loop design issues in a Gamsung CAD System.
      
  virtual assembly systems
Therefore, it is necessary to implement effective motion manipulation for assembly operations so that users can perform precise positioning efficiently in virtual assembly systems.
      
A constrained behavior manager (CBM) has been developed and applied in virtual assembly systems.
      
With the advent of haptics and its integration into virtual assembly systems, users now have the potential advantage of tactile information.
      
Off-line error prediction, diagnosis and recovery using virtual assembly systems
      
In the last ten years, a few research groups have developed virtual assembly systems.
      
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It is difficult to control the motion of the assembling parts precisely with current virtual reality I/O devices during virtual assembly. In this paper, a semantics recognition method is presented to capture the user抯 intention. A motion guidance method based on semantics recognition and constraint recognition is provided to help the user move or rotate the parts in the virtual environment freely and precisely. The semantics recognition is implemented according to the matching of spatial position, assembly orientation,...

It is difficult to control the motion of the assembling parts precisely with current virtual reality I/O devices during virtual assembly. In this paper, a semantics recognition method is presented to capture the user抯 intention. A motion guidance method based on semantics recognition and constraint recognition is provided to help the user move or rotate the parts in the virtual environment freely and precisely. The semantics recognition is implemented according to the matching of spatial position, assembly orientation, type and parameters of thesemantics entities. The semantics recognition enables the system recognize the assembly relationship on assembly task-level rather than lower-level geometry constraints. The methods are implemented in the development ofVIRDAS (virtual reality design and assembly system) and a virtual assembly example of automotive enginecomponent is also given in this paper.

目前的虚拟现实交互方式尚难以保证用户在虚拟装配过程中对零件的运动进行精确控制.通过语义识别捕捉虚拟装配过程中用户交互意图,进行装配零部件的运动引导与精确定位,使得用户能够在虚拟环境中自如地、准确地进行装配定位.从装配语义元的空间位置属性匹配、空间方向属性匹配、类型属性匹配与参数属性匹配4个方面进行装配语义的识别.从装配语义的角度识别装配意图,将虚拟装配系统对装配关系的识别从几何体素层次提高到装配任务层次.相关方法在虚拟装配系统的研究与开发中得到实现,并应用到汽车发动机部分零部件的虚拟装配中.

Interaction is one of the important features of virtual assembly. In order to promote the system's interactive performance, computer and human should share in cognitive burden in reason. The realization of virtual environment's perceptual mechanism is the critical method towards this objective. In this paper, a formal description of virtual assembly structure is given first, then a perceptual mechanism of compound object is put forward, lastly, a three-stage perception mode is given, and the perceptual process...

Interaction is one of the important features of virtual assembly. In order to promote the system's interactive performance, computer and human should share in cognitive burden in reason. The realization of virtual environment's perceptual mechanism is the critical method towards this objective. In this paper, a formal description of virtual assembly structure is given first, then a perceptual mechanism of compound object is put forward, lastly, a three-stage perception mode is given, and the perceptual process constructions which are needed in virtual assembly application are also analyzed. The desktop virtual assembly practices demonstrate that this perception mechanism has a good real-time interactive characteristic,and it is also a wonderful facility to help understanding user's intention.

虚拟装配的一个重要特性是交互性.要提高系统的交互性能,就要合理地分担人和机器的认知负荷,虚拟环境的感知机制是实现这一目标的重要方法.在形式地描述了虚拟装配系统结构后,提出虚拟装配中复合对象的感知机制,同时给出了装配交互中的感知模式,对感知过程给出了分析和构造.桌面虚拟装配的构造实践证明了所提出的感知机制具有很好的交互实时性,对于用户意图理解有较大的帮助作用.

Virtual reality is now becoming matured for serious engineering applications. This paper describes VDVAS, an integrated multi modal virtual design and virtual assembly environment, within which the designers are enabled to create both the solid model of a part and the assembly model of a product in 3D space by direct 3D manipulations and voice commands intuitively and easily, to perform assembly planning interactively in 3D space, and to simulate and check assembly process. One important feature of VDVAS lies...

Virtual reality is now becoming matured for serious engineering applications. This paper describes VDVAS, an integrated multi modal virtual design and virtual assembly environment, within which the designers are enabled to create both the solid model of a part and the assembly model of a product in 3D space by direct 3D manipulations and voice commands intuitively and easily, to perform assembly planning interactively in 3D space, and to simulate and check assembly process. One important feature of VDVAS lies in that it allows designers to modify components of an assembly(if any design flaw is found) during in the process of assembly modeling and simulation without the need of time consuming data exchange between virtual environment and other CAD applications. This is, of course, achieved by integrating virtual assembly with virtual design. Experiments show that designers can perform assembly planning and verification in VDVAS as if they were, to some extent, in the real physical world.

随着虚拟现实技术的逐渐成熟 ,研究者们已将其引入到工程领域 .为实现虚拟设计与虚拟装配过程的集成 ,避免现有的虚拟装配系统中 ,虚拟环境与 CAD系统间所必需进行的复杂的、无谓的数据传输 ,描述了一个基于多通道的、集成的虚拟设计与虚拟装配系统 VDVAS.在该系统中 ,设计者可以通过直接三维操作和语音命令直观方便地建立机械零件及其装配模型 ,并通过交互拆装来得到零件的装配顺序和装配路径等信息 .VDVAS的一个重要特征在于 ,可通过集成虚拟设计与虚拟装配过程 ,使设计者能在一个集成的虚拟环境中修改零件几何 (假如在装配过程中发现零件存在设计缺陷的话 )

 
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