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| 1 | 混联汽车悬架系统减振性能分析与优化显示文摘为进一步改善汽车悬架的减振性能,对汽车悬架结构及参数进行优化设计.基于机电相似理论,提出一种含有弹簧、阻尼器、惯容器的混联汽车悬架结构,运用多目标遗传算法对汽车悬架减振系统进行参数优化.通过求解动力学方程,在时域内分析了路面脉冲激励下汽车悬架减振系统的振动响应,在频域内分析了参数优化对混联汽车悬架减振性能的影响.研究结果表明,相比于传统汽车悬架,本文所提出的混联汽车悬架结构能够有效降低汽车减振系统的共振峰值,改善汽车悬架的减振性能;相比于初始设计参数,运用多目标遗传算法得到的参数进一步提升了汽车悬架的减振性能. | 李凡杰 李小彭 沃旭 闻邦椿 | 2021 | 东北大学学报(自然科学版)2021，42，8： | 3 |
| 2 | Modeling and experimental tests of hydraulic electric inerter显示文摘As a newly proposed two-terminal mechanical element, there are many realizations of inerter such as ball-screw, rack and pinion,hydraulic, fluid and mechatronic inerter. This paper concerns about a novel mechatronic inerter, which is consisted of a hydraulic piston inerter and linear motor, called hydraulic electric inerter(HEI). Firstly, the structural components and the working principles of two types HEI device are introduced, and the dynamic model of the HEI is established. Then, three classifications of mechatronic inerter, namely, the single motor type, the linear inerter-motor type and the rotary inerter-motor type are presented,and in the meanwhile, some comparisons among the three types mechatronic inerter are analyzed. Subsequently, a methodology of designing and experimental tests of the HEI device is proposed by considering the rated working conditions of the linear motor and the electric elements. At last, the HEI device is conducted, and the force tests of the non-loaded HEI and loaded HEI are tested in order to validate their properties. The experimental results are analyzed, and the discrepancies are also further discussed. | SHEN YuJie SHI DeHua CHEN Long LIU YanLing YANG XiaoFeng | 2019 | Science China(Technological Sciences)2019，62，12： | 1 |
| 3 | 新型车辆机电悬架的正实优化与性能分析显示文摘含有惯容器、弹簧和阻尼器三类机械网络元件组成车辆悬架系统由于元件众多,难以实现工程应用。针对上述问题,基于机电相似性理论,提出一种车辆机电悬架的参数优化设计方法,在综合考虑汽车行驶过程中垂向运动和俯仰运动的四自由度车辆机电悬架半车动力学模型基础上,探索应用机电惯容器的新型车辆机电悬架对汽车动态性能的提升效果。对于车辆悬架的多参数多约束优化问题,在考虑传递函数正实性和悬架动态性能约束的条件下,采用改进的粒子群算法对三种不同模式的车辆机电悬架的主要参数进行优化求解,并利用机电惯容器与外端电网络进行网络综合被动实现。数值仿真结果表明:在单目标优化条件下,新型车辆机电悬架的车身加速度均方根值和俯仰角加速度均方根值分别降低了26.5%和18.3%,在同时考虑双目标优化条件下可降低15.5%和11.4%,所提出的车辆机电悬架的动态隔振性能比传统被动悬架有了显著的提高,为悬架设计方法提供了新思路。 | 仇成群 沈钰杰 施德华 | 2021 | 振动与冲击2021，40，21： | 1 |
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