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首页> 外文期刊>SAE International Journal of Vehicle Dynamics, Stability, and NVH >Analysis of the Effect of Three Different Dynamic Models Embedded into the Seat Suspension System on the Ride Performance of a Vibratory Roller
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Analysis of the Effect of Three Different Dynamic Models Embedded into the Seat Suspension System on the Ride Performance of a Vibratory Roller

机译：座椅悬架系统中嵌入的三种不同动力学模型对振动压路机行驶性能的影响分析

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摘要

This study proposes three different models, the negative stiffness structure (NSS), damping structure (DS), and a combination of NSS and DS (NSDS), for the traditional seat suspension (TSS) of the vibratory roller to improve the driver's ride comfort. A dynamic model of the vibratory roller established under the condition of the vehicle working on an elastoplastic soil with poor terrain surface is used to assess the performance of the NSS, DS, and NSDS. The sensitivity effect of the design parameters of the NSS, DS, and NSDS on their isolation efficiency is analyzed using the indexes of the root mean square (RMS) of the driver's seat displacement (z_(ws)) and acceleration (a_(ws)). The design parameters of the NSS, DS, and NSDS are then optimized based on the multi-objective optimization method to fully evaluate their isolation efficiency. Finally, the experimental study is carried out on the vibratory roller to verify the research results. The research results show that the sensitivity of the geometric dimension ratios, the stiffness parameter, and the stiffness ratio of the NSS and NSDS greatly affect the and a_(ws), while the DS design parameters insignificantly affect the z_(ws) and a_(ws). With the optimized NSS, DS, and NSDS, the damping force generated by the DS is very low compared to the restoring force generated by both the NSS and NSDS. Thus, the DS embedded into the TSS is not effective in improving the ride comfort of the vibratory roller. On the contrary, the NSS embedded into the TSS has an obvious effect on improving the ride comfort of the vibratory roller. To further improve the ride comfort of the vibratory roller, the TSS should be embedded with an NSS while the damping coefficient of the TSS should be optimized or controlled.
机译：本研究提出了三个不同的模型负刚度结构(NSS),阻尼结构(DS)和NSS和DS的组合(nsd),对于传统的座椅悬架(TSS)振动压路机的改善司机的乘坐舒适。辊的条件下成立车辆的弹塑性土壤可怜的地形表面是用来评估NSS的性能,DS, nsd。设计参数的灵敏度的影响NSS, DS, nsd隔离使用索引的效率进行了分析均方根(RMS)的司机的座位位移(z_ (ws))和加速度(现代(ws))。NSS的设计参数、DS和nsd然后,基于多目标优化的优化方法全面评估他们分离效率。研究是进行振动压路机验证研究结果。表明,几何的敏感性尺寸比、刚度参数和NSS的刚度比和nsd很大影响和现代(ws),而DS的设计参数无关紧要的影响z_ (ws)和现代(ws)。DS产生的阻尼力很低而产生的恢复力NSS nsd。TSS不是有效的改善振动压路机的安慰。NSS嵌入TSS的明显改善平顺性的影响振动压路机。振动压路机的安慰,TSS嵌入NSS而衰减TSS系数应优化或控制。

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