Man--tractor system dynamics: towards a better suspension system for human ride comfort.
Man--tractor system dynamics: towards a better suspension system for human ride comfort.
复制标题
人-拖拉机系统动力学：追求更好的悬挂系统以提高人类乘坐舒适度。
DOI：
10.1016/0021-9290(78)90074-x
复制
发表时间：
1978
影响因子：
2.4
通讯作者：
D. Ghista
中科院分区：
文献类型：
--
作者：
M. K. Patil;M. Palanichamy;D. Ghista
结果发现，拖拉机司机遭受的脊柱和支撑结构在低频率和高振幅的振动，在他们的领域活动中遇到的一些疾病。本文将乘员-拖拉机系统建模为一个集总参数系统，通过计算机模拟，分析了（a）松弛型座椅悬架和（B）座椅和前轴的松弛型悬架的复合模型（对模拟稳态正弦强迫函数输入的地面反力的垂直和旋转（俯仰）振动响应）。这些响应进行比较的响应（c）刚性座椅和前轴，和（d）标准型前轴悬架，由以前的研究人员确定。已经发现，通过选择这些悬架参数，使得人体部位的响应在0.5-11 Hz的频率范围内最小化，可以降低这些（有害）振动的强度。比较了两种悬架的隔振特性。
It is found that tractor drivers suffer from a number of disorders of the spine and supporting structures at low frequency and high amplitude vibrations that are encountered in their field activities. In this paper the occupant - tractor system is modelled as a lumped parameter system; the composite model is analysed, by computer simulation, (for vertical and rotational (pitch) vibrational response to ground reaction simulating steady state sinusoidal forcing function inputs), for (a) relaxation type seat suspension and (b) relaxation type suspensions for both the seat and the front axle. These responses are compared to responses for (c) rigid seat and front axle, and (d) standard type front axle suspensions, as determined by previous investigators. It is found that the intensity of these (harmful) vibrations, is reduced by selecting these suspension parameters such that the responses of the human body parts are minimized in the frequency range of 0.5–11 Hz. Both the types of suspensions are the compared for their vibration isolation characteristics.