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听骨链仿生隔振模型的动态特性分析与实验研究

Dynamic Characteristics Analysis and Experimental Study of Biomimetic Vibration Isolation Model of Ossicular Chain
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摘要 提出了建立仿人体中耳听骨链系统的动力学模型以及用Adams进行运动仿真分析的方法。采取建立中耳听小骨三维模型的方法对中耳听骨链的运动特性进行仿真研究,用弹簧模拟韧带的作用,确定相应的物理参数,以研究听骨链系统的减振效果。针对模型进行动态特性研究,通过对听骨链系统三维模型的动力学仿真分析,提取锤骨和镫骨底板的位移模拟结果和实验数据进行对比,证实了该三维模型的可靠性。所建立的中耳模型可在一定程度上模拟中耳传声的功能,能够预测中耳传声的力学特征,对中耳听骨链系统减振特性的研究有一定的借鉴意义。 A method of establishing dynamic model for a human-like middle ear ossicular chain system and motion simulation analysis using Adams is proposed.The motion characteristics of the ossicular chain of the middle ear were simulated and studied by establishing a three-dimensional model of the ear ossicles of the middle ear.The spring was used to simulate the ligament function and determine the corresponding physical parameters to study the vibration reduction effect of the ossicular chain system. Research on the dynamic characteristics of the model,through the dynamic simulation analysis of the three-dimensional model of ossicular chain system,the displacement simulation results of the malleus and the stapes footplate were extracted and compared with the experimental data,which confirmed the reliability of the three-dimensional model.The established middle ear model can simulate the sound transmission function of the middle ear to some extent,can predict the mechanical characteristics of middle ear sound transmission,and has certain reference significance for the study of the vibration damping characteristics of middle ear ossicular chain system.
作者 张金萍 王婉莹 李允公 李明智 ZHANG Jin-ping;WANG Wan-ying;LI Yun-gong;LI Ming-zhi(School of Mechanical Engineering,Shenyang University of Chemical Technology,Liaoning Shenyang 110142,China;School of Mechanical Engineering and Automation,Northeastern University,Liaoning Shenyang 110004,China)
出处 《机械设计与制造》 北大核心 2021年第12期63-66,71,共5页 Machinery Design & Manufacture
基金 国家自然科学基金资助项目(51275315)。
关键词 听骨链 振动特性 ADAMS 减振 Ossicular Chain Vibration Characteristics Adams Vibration Reduction
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