基于振动响应工程车辆驾驶室乘坐舒适性分析
发布时间：2019-08-08 09:45
【摘要】：工程车辆工作环境恶劣,为保证驾驶员能够高效迅速的对复杂行驶路况做出准确反映,需要设计具备良好的乘坐舒适性的驾驶室。根据工程车辆工作环境恶劣的现状,采用计算振动响应的方法研究车辆驾驶室的乘坐舒适性。建立八自由度二分之一车动力学模型,运用拉格朗日方程求解系统的运动微分方程,获得驾驶室在随机路面激励下的振动响应。在驾驶室的竖直方向建立"驾驶员—座椅"分析子系统,驾驶室受到的竖直方向的激励作为子系统的输入,根据驾驶员受到的振动加速度的加权值,对驾驶室的乘坐舒适性进行评价。分析结果可知:评价驾驶员的主观感受为:没有不舒适;减小座椅刚度,能有效的提高驾驶员的舒适性;为同类设计研究提供参考。
[Abstract]:The working environment of the engineering vehicle is bad. In order to ensure the driver to make an accurate response to the complex driving condition efficiently and quickly, it is necessary to design a cab with good ride comfort. According to the bad working environment of engineering vehicles, the ride comfort of vehicle cab is studied by calculating vibration response. The dynamic model of 1/2 vehicle with eight degrees of freedom is established, and the differential equation of motion of the system is solved by Lagrange equation, and the vibration response of cab under random road excitation is obtained. The "driver-seat" analysis subsystem is established in the vertical direction of the cab. The vertical excitation of the cab is used as the input of the subsystem. According to the weighted value of the vibration acceleration of the driver, the ride comfort of the cab is evaluated. The results show that the subjective feelings of the evaluation driver are as follows: no discomfort; reducing the seat stiffness can effectively improve the driver's comfort; providing a reference for the same kind of design and research.
【作者单位】： 中原工学院信息商务学院;
【基金】：河南省自然科学基金资助项目(1511052511)
【分类号】：TH22
[Abstract]:The working environment of the engineering vehicle is bad. In order to ensure the driver to make an accurate response to the complex driving condition efficiently and quickly, it is necessary to design a cab with good ride comfort. According to the bad working environment of engineering vehicles, the ride comfort of vehicle cab is studied by calculating vibration response. The dynamic model of 1/2 vehicle with eight degrees of freedom is established, and the differential equation of motion of the system is solved by Lagrange equation, and the vibration response of cab under random road excitation is obtained. The "driver-seat" analysis subsystem is established in the vertical direction of the cab. The vertical excitation of the cab is used as the input of the subsystem. According to the weighted value of the vibration acceleration of the driver, the ride comfort of the cab is evaluated. The results show that the subjective feelings of the evaluation driver are as follows: no discomfort; reducing the seat stiffness can effectively improve the driver's comfort; providing a reference for the same kind of design and research.
【作者单位】： 中原工学院信息商务学院;
【基金】：河南省自然科学基金资助项目(1511052511)
【分类号】：TH22
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