The active control of the lateral movement of a motor suspended under a high-speed locomotive
The active control of the lateral movement of a motor suspended under a high-speed locomotive
复制标题
高速机车下悬挂电机横向运动的主动控制
DOI：
10.1177/0954409715605138
复制
发表时间：
2016-08
影响因子：
2
通讯作者：
Liu Xu
中科院分区：
文献类型：
--
作者：
Yao Yuan;Zhang Xiaoxia;Liu Xu
为了提高高速机车的动态性能，提出了一种用执行器代替阻尼器的悬浮电机运动主动控制方法。建立了柔性悬架系统的简化机械模型，以研究其动力学并创建主动控制策略。然后，对机车的多体动力学模型进行仿真，以获得最优控制的条件。结果表明，较小的横向悬架阻尼有利于提高机车的动力性能；该系统的理论最佳阻尼比在0.1至0.3之间。小程度的阻尼会导致悬挂系统产生较大的横向位移，但由于空间限制，这种情况是不允许发生的。采用最优控制的目的是减小悬挂电机系统和转向架构架的横向振动幅度。悬挂系统的主动控制提高了机车的横向动态性能，有效限制了悬挂系统相对转向架构架的横向位移。与被动悬架方法相比，在直线轨道上140至180公里/小时的速度下，轮对上的侧向力减少高达25%，非线性临界速度从390公里/小时提高至480公里/小时。
In order to improve the dynamic performance of high-speed locomotives, an active control method for the movement of a suspended motor is proposed, in which a damper is replaced by an actuator. A simplified mechanical model of the flexible suspension system is established to study its dynamics and create an active control strategy. Then, a multi-body dynamic model of the locomotive is simulated to obtain the conditions for optimal control. The results show that a smaller damping of the lateral suspension is conducive to improving the dynamic performance of the locomotive; the system has a theoretical optimum damping ratio of between 0.1 and 0.3. A small level of damping results in a large lateral displacement of the suspended system, which cannot be allowed to occur due to space limitations. The optimal control is used with the aim of reducing the lateral vibration amplitude of the suspended motor system and bogie frame. The active control of the suspension system improves the lateral dynamic performance of the locomotive and effectively limits the lateral displacement of the suspended system relative to the bogie frame. Compared with a passive suspension approach, the lateral forces on the wheelset are reduced by up to 25% at speeds between 140 and 180 km/h on straight track, and the nonlinear critical speed is increased from 390 to 480 km/h.
登录
查看更多内容
DOI：
10.1243/095440905x33251
发表时间：
2006-01
期刊：
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit
影响因子：
--
作者：
O. Polach
通讯作者：
O. Polach
影响因子：
4.9
作者：
Goodall, RM;Kortüm, W
通讯作者：
Kortüm, W
DOI：
10.1016/s1474-6670(17)34028-4
发表时间：
2002-12
期刊：
IFAC Proceedings Volumes
影响因子：
--
作者：
J. Pearson;R. Goodall;T. Mei;G. Himmelstein
通讯作者：
J. Pearson;R. Goodall;T. Mei;G. Himmelstein
DOI：
--
发表时间：
1996
期刊：
Rail international
影响因子：
--
作者：
Christian Segieth
通讯作者：
Christian Segieth
DOI：
--
发表时间：
2005
期刊：
China Railway Science
影响因子：
--
作者：
Jin Ding-chang
通讯作者：
Jin Ding-chang