对拖拉机半活性座椅悬架模糊控制策略的性能分析
Xiaoliang Chen1, Zhelu Wang2, Yiqing Qiu1
1School of Vehicle and Traffic Engineering, Henan Institute of Technology, Xinxiang, 453000, China.
Scientific reports
|March 9, 2026
概括
这项研究介绍了一种智能拖拉机座椅悬挂系统,采用磁修学阻尼器 (MRD) 和模糊逻辑控制. 先进的系统显著提高了驾驶舒适度,并减少了农业拖拉机操作员的振动.
科学领域:
- 农业工程 农业工程
- 控制系统工程 控制系统工程
- 振动分析 振动分析
背景情况:
- 拖拉机座椅悬挂系统对于操作员的舒适性和安全性至关重要.
- 被动系统经常在不同的道路条件和操作员质量方面扎.
- 磁电气阻尼器 (MRD) 提供可适应的阻尼特性.
研究的目的:
- 开发和评估一个半活跃的拖拉机座椅悬挂系统.
- 实现和比较类型-1模糊逻辑控制器 (T1FLC) 和间隔类型-2模糊逻辑控制器 (IT2FLC) 的振动控制.
- 为了提高驾驶舒适度,减少农业拖拉机的悬挂偏移.
主要方法:
- 创建了一个五度自由度 (5-DOF) 半车拖拉机模型,结合人座动力学,驾驶室,底盘,轮胎灵活性和MRD歇斯底里 (Bouc-Wen模型).
- T1FLC和IT2FLC的设计是为了管理道路粗,速度和操作员体重的不确定性.
- 模拟使用随机道路激发 (C-F类) 和各种速度和操作员质量 (50-150公斤) 的撞击输入进行.
主要成果:
- 与被动系统相比,半主动控制显著提高了驾驶舒适度,减少了悬架动态偏移.
- 在随机道路条件下,IT2FLC在随机道路条件下降低了RMS垂直加速度约60%和动态偏移>50%,减轻了底部.
- 在碰撞刺激下,IT2FLC在加速和偏移方面分别实现了61.27%和55.94%的改进.
- IT2FLC表现出比T1FLC更强大的稳定性,特别是在不确定的或严重的条件下.
结论:
- 开发的半活性悬挂系统有效地提高了驾驶舒适度,并减少了农业拖拉机的振动.
- 间隔类型-2模糊逻辑控制 (IT2FLC) 为拖拉机座椅悬架的智能振动控制提供了一个强大而有效的策略.
- 该研究为先进的农业机械设计提供了宝贵的理论和工程见解.
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