Hospital acoustic environment simulation system based on social force model
专利类型：发明专利
语 言：中文
申 请 号：CN201410606574.3
申 请 日：20141030
申 请 人：重庆大学
申请人地址：400043 重庆市沙坪坝区沙正街174号重庆大学
公 开 日：20170222
公 开 号：CN104346531B
代 理 人：郭吉安
代理机构：重庆大学专利中心 50201
摘 要：Abstract：The invention discloses a hospital acoustic environment simulation system based on a social force model. The system comprises a behavioral model and an acoustic model, wherein the behavioral model comprises a sound production spacing module, a duration module, a sound production position module and a sound production intensity module; the acoustic model comprises an outdoor noise module and an indoor sound field module; the system can defines each room in a hospital as an interactive Agent; when a certain sound source in the Agent is activated, firstly the sound production spacing module, the duration module, the sound production position module and the sound production intensity module in the behavioral model constitute basic attributes of a sound source sound production behavior; then sound transmission is simulated through the outdoor noise module and the indoor sound field module in the acoustic model, so that the initial sound pressure level in a receiving point position is obtained through computation; then the final sound pressure level in the receiving point position is determined by comparing the initial sound pressure level with a background noise sound pressure level and judging the quantity of sound production sound sources at identical time; finally, the plane distribution situation of an indoor sound field is computed through an interpolation method according to plane positions of all receiving points in the Agent and the final sound pressure levels of the receiving points.
主 权 项：一种基于社会力模型的医院声环境模拟系统，由行为模型和声学模型构成，其中行为模型由发声间隔模块、持续时间模块、发声位置模块、发声强度模块构成，声学模型由室外噪声模块和室内声场模块构成；系统可将医院内每一个房间定义为一个交互式的AGENT，当AGENT中的某个声源被激活时，首先由行为模型中的发声间隔模块、持续时间模块、发声位置模块、发声强度模块来构成声源发声行为的基本属性；然后，通过声学模型中的室外噪声模块与室内声场模块对声音的传播进行模拟，计算得到接收点处的初始声压级大小；再通过比较初始声压级与背景噪声声压级，并且判断同一时间发声的声源数量来确定接收点处的最终声压级；最后，根据AGENT中各个接收点的平面位置，以及接收点处的最终声压级大小，通过插值法计算得出室内声场的平面分布情况。
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法律状态：公开
IPC专利分类号：G06F17/50; G06F19/00