产品虚拟设计技术概述.pptx

第七章 产品虚拟设计技术;第一节 虚拟现实概述;;;虚拟现实的三 I 图;;工程应用：汽车制造业、飞行仿真、虚拟实验;六、虚拟现实技术的分类;七、虚拟现实技术发展趋势;;几种常见的数据手套;几种3D鼠标;几种立体显示设备;; 二、虚拟现实硬件系统结构;第三节 虚拟现实软件技术;一、VRML概述;二、WTK概述;第四节 虚拟设计中的建模技术;;;2、各模块的功用和相互之间的关系;1、虚拟设计系统开发流程图;2、系统的模型处理;3、虚拟设计中零件信息表达的三个要求; 虚拟制造是以虚拟现实技术为基础??、一种集成的综合制造环境，用于加强一个企业各层次的决策和管理。;;;3、虚拟制造系统的三个类别;4、虚拟设计与虚拟制造的关系;一、虚拟环境中装配设计的关键技术;第七节 计算机触觉和CAD;Concepts - Haptic Perception ;Haptic Perception;Haptic Perception;Haptic interfaces;Haptic interface ;Applications of haptics;;Applications of haptics;Hardware;Haptic devices;Haptic devices;PHANTOM Models;Others ;Examples of haptics applications in CAD/CAM;Haptics applications in CAD/CAM;Applications;Haptic-based geometric modeling ;Polygonal meshes (inTouch);FreeForm;;Sample models of FreeForm;Sample models of FreeForm;;;;Pros and cons;Pros and cons;Use of FreeForm in new product development;NURBS patches and B-rep model;NURBS patches (cont’);NURBS patches (cont’);NURBS patches (cont’);Implicit volume, surface, point sets, etc;Reverse engineering ;Virtual CMM (HKU);Hole filling;Virtual prototyping;Haptic rendering;Architecture of haptic applications for CAD;What is haptic rendering?;Category of haptic rendering algorithms ;Two major issues of haptic rendering algorithms;Force model;Basics of Collision Detection;Haptic Rendering of 3D Primitives;Point-based haptic interaction;Haptics SDK – OpenHaptics;The OpenHaptics toolkit includes;OpenHaptics – basic features;HDAPI;HLAPI;HLAPI is OpenGL like;Typical HLAPI program structure;;9、春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃花一样美丽，日子像桃子一样甜蜜。5月-215月-21Monday, May 31, 2021 10、人的志向通常和他们的能力成正比例。14:50:0414:50:0414:505/31/2021 2:50:04 PM 11、夫学须志也，才须学也，非学无以广才，非志无以成学。5月-2114:50:0414:50May-2131-May-21 12、越是无能的人，越喜欢挑剔别人的错儿。14:50:0414:50:0414:50Monday, May 31, 2021 13、志不立，天下无可成之事。5月-215月-2114:50:0414:50:04May 31, 2021 14、Thank you very much for taking me with you on that splendid outing to London. It was the first time that I had seen the Tower or any of the other famous sig