建筑过渡空间声场模拟特性在线控制方法仿真  

Simulation of On-Line Control Method for Simulation Characteristics of Sound Field in Building Transition Space

作　　者：王禹曾 万婷[1] WANG Yu-zeng;WAN Ting(School of Architecture and Construction,Northeast Forestry University,Harbin Heilongjiang,150040,China)

机构地区：[1]东北林业大学土木工程学院

出　　处：《计算机仿真》2019年第12期401-405,共5页Computer Simulation

摘　　要：建筑过渡空间声场在纵向传输过程中具有断续性,为了有效提高建筑空间噪声控制能力,需要进行建筑过渡空间声场模拟,提出基于模糊PID算法的建筑过渡空间声场模拟特性在线控制方法。构建建筑过渡空间声场传递模型,根据建筑过渡声场的透射波与入射波的折射关系进行声波波阵面投影分析,进行建筑过渡空间声场的横波全内反射临界参数分析,结合流噪声控制方法进行声场模拟特性分析,采用模糊PID控制方法进行声场模拟特性在线控制,根据湍流边界层的噪声强度进行空间声场模拟及在线控制过程中的自适应加权,提高空间声场在线控制的稳定性和鲁棒性。仿真结果表明,采用上述方法进行建筑过渡空间声场模拟特性在线控制,对建筑噪声的抑制能力较好,流噪声的谱级与流体速度都有较大幅度的降低,在线控制精度较高。This article puts forward a method of on-line control for the acoustic field simulation characteristics in building transition space based on fuzzy PID algorithm.The sound field transfer model of building transition space was constructed.According to the refraction relation between the transmitted wave and the incident wave,the acoustic wave-front projection was analyzed.The critical parameters of the transverse wave total internal reflection of transition space sound field were analyzed.In order to improve the stability and robustness of the on-line control for sound field,the flow noise control method was used to analyze the characteristics of sound field simulation and the fuzzy-PID control method was used to control the characteristics of sound field on line.According to the noise intensity of turbulent boundary layer,the spatial sound field simulation and adaptive weighting during the on-line control were carried out.Simulation results show that the proposed method can restrain the building noise better.Meanwhile,the spectral level of flow noise and the fluid velocity are greatly reduced.The on-line control precision is high.

关 键 词：建筑 过渡空间 声场模拟 特性 在线控制 

分 类 号：TE319[石油与天然气工程—油气田开发工程]