基于MATLAB工程机械座椅减振分析  

The Analysis of the Construction Machinery Seat' Reduction for Vibration Based on MATLAB

作　　者：陈俊杰[1] 肖宇 宋建桐[1] 张昀昀 Chen Junjie;Xiao Yu;Song Jiantong;Zhang Yunyun(School of Automotive Engineering,Beijing Polytechnic,Beijing 100176;Vehicle Testing Engineering Research Insitute of China,Beijing 102100)

机构地区：[1]北京电子科技职业学院汽车工程学院,北京100176 [2]中机科(北京)车辆检测工程研究院有限公司,北京102100

出　　处：《汽车实用技术》2018年第23期131-133,共3页Automobile Applied Technology

摘　　要：工程机械行驶在低频振动的环境,不仅降低司乘人员的工作效率,严重还会导致驾驶人员心理疾病。座椅减振能力设计是提高司乘人员乘坐舒适性的关键因素。文章介绍了工作机械座椅的一般结构及典型设计方法。利用车辆系统动力学理论,建立了单自由度工程机械座椅的动力学微分方程。分析了座椅的动态响应性能。并且通过试验的方法得到了座椅上的动态响应数据。最后利用FFT(快速傅立叶变换)计算出座椅的固有频率、为座椅优化设计提供了设计思路。The low frequency vibration environment of the engineering machinery can not only reduce the work efficiency of the passenger,but also lead to the mental illness.The design of seat damping capacity is very important to improve the riding comfort of the diver.This paper introduces the general structure and typical design method of the working mechanical seat.Based on the theory of vehicle system dynamics,the dynamic differential equation of one degree of freedom is established.The dynamic response performance of the seat is analyzed.And the dynamic response data is obtained by experimental method.At last,FFT(fast Fourier transform)is used to calculate the natural frequency of the seat.The results can help the technician design the seat better.

关 键 词：工程机械 座椅 理论分析 FFT分析 

分 类 号：U467.3[机械工程—车辆工程]