虚似人群行为的建模和实现方法

doi:10.3969/j.issn.1671-7775.2009.01.014

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摘要分析人群在正常和紧急状态下的行为特点，建立虚拟人群仿真的7种典型行为模型．依据人的行为判断过程，设计虚拟人行为控制的多层次结构．采用虚拟视觉和速度密度模型，建立虚拟人的动态避碰模型；采用九宫避碰策略，研究虚拟人对静态和动态障碍物的路径规划．针对虚拟人群的行为驱动方法，通过设计虚拟人群行为属性来描述虚拟人群将采取的行为状态；通过产生式规则实现虚拟人群行为仿真的事件／响应模式．最后把虚拟人群行为的建模和实现方法应用在人群紧急逃生三维模拟中，取得了较好的效果．

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	秦文虎
	查骏元
	李晓娜
	赵正旭

关键词 ：人群仿真 ')" href="#">人群仿真 , 行为研究')" href="#">行为研究, 避碰策略')" href="#"> 避碰策略, 虚拟视觉')" href="#"> 虚拟视觉, 路径规划')" href="#"> 路径规划

Abstract：The behavioral characteristics of crowd in normal and emergency situations were analyzed, and seven typical behavior models of virtual crowd were established. The hierarchy over virtual actor behavior was designed based on the process of people＇s action judgements. A dynamic avoidance model of the virtual human was established by using the virtual visual and speed density model. By using 9 dimensions collision avoidance, the virtual human＇s path planning on both static and dynamic obstacles was realized. In allusion to the method of driving the virtual crowd＇s behavior, the next action state was described through designing the action attributes. Furthermore, the event/response mode of the virtual crowd＇s action simulation with the production rule is realized. In the end, this behavior model and simulation method are applied to the three-dimensional simulation of crowd urgent escape and good result is obtained.

Key words： crowd simulation')" href="#"> crowd simulation behavioral research')" href="#"> behavioral research collision avoidance ')" href="#">collision avoidance artificial vision ')" href="#">artificial vision path planning')" href="#">path planning

基金资助:

江苏省社会发展计划项目（BS2007048）;南京市科技发展计划项目（2007软资119）

引用本文:

秦文虎, 查骏元, 李晓娜, 赵正旭. 虚似人群行为的建模和实现方法[J]. 江苏大学学报（自然科学版）, 2009, 30(1): 58-61. Qin Wenhu, Cha Junyuan, Li Xiaona, Zhao Zhengxu. Modeling and realizing methods for virtual crowd behaviors[J]. Journal of Jiangsu University(Natural Science Eidtion) , 2009, 30(1): 58-61.

链接本文:

http://zzs.ujs.edu.cn/xbzkb/CN/10.3969/j.issn.1671-7775.2009.01.014 或 http://zzs.ujs.edu.cn/xbzkb/CN/Y2009/V30/I1/58