汽车工程 ›› 2023, Vol. 45 ›› Issue (12): 2272-2279.doi: 10.19562/j.chinasae.qcgc.2023.12.009
所属专题: 底盘&动力学&整车性能专题2023年
收稿日期:
2023-05-08
修回日期:
2023-05-31
出版日期:
2023-12-25
发布日期:
2023-12-21
通讯作者:
段春光
E-mail:dsprings@163.com
Xin Guan,Li Li,Chunguang Duan(),Jun Zhan
Received:
2023-05-08
Revised:
2023-05-31
Online:
2023-12-25
Published:
2023-12-21
Contact:
Chunguang Duan
E-mail:dsprings@163.com
摘要:
驾驶员坐在驾驶室中感知车辆的运动响应,驾驶室及其悬置机构是影响驾驶员驾乘感觉的重要环节。为实时模拟商用车驾驶室的运动,采用基于特性的建模方法,将驾驶室的运动解耦为低频面内Motion运动和高频面外Ride运动,并考虑驾驶室悬置机构的承载特性、RC/PC导向特性和K&C运动学特性,建立了商用车全浮式驾驶室模型。最后,将驾驶室模型嵌入到89DOF整车模型中,进行某款牵引车的仿真,并与场地试验结果进行对比,验证了模型的有效性。
管欣,李力,段春光,詹军. 基于特性的商用车全浮式驾驶室动力学模型[J]. 汽车工程, 2023, 45(12): 2272-2279.
Xin Guan,Li Li,Chunguang Duan,Jun Zhan. A Characteristics-Based Dynamic Model of the Full-Floating Cab for the Commercial Vehicle[J]. Automotive Engineering, 2023, 45(12): 2272-2279.
表3
驾驶室相关评价指标"
试验工况 | 评价指标 | 场地试验 | 模型仿真 | 精度误差 |
---|---|---|---|---|
60 km/h角阶跃左、右转向 | 驾驶室侧倾角稳态值/(°) | -2.672 | -2.589 | 3.21% |
3.756 | 3.651 | 2.88% | ||
80 km/h角阶跃左、右转向 | 驾驶室侧倾角稳态值/(°) | -2.645 | -2.627 | 0.69% |
2.900 | 2.874 | 0.90% | ||
60 km/h单正弦左转向 | 驾驶室侧倾角峰值/(°) | -2.999 | -2.868 | 4.57% |
3.785 | 3.831 | 1.20% | ||
60 km/h单正弦右转向 | 驾驶室侧倾角峰值/(°) | 3.466 | 3.485 | 0.55% |
-2.653 | -2.657 | 0.15% | ||
80 km/h单正弦左转向 | 驾驶室侧倾角峰值/(°) | -2.590 | -2.430 | 6.58% |
2.891 | 2.953 | 2.10% | ||
80 km/h单正弦右转向 | 驾驶室侧倾角峰值/(°) | 2.910 | 2.855 | 1.93% |
-2.356 | -2.431 | 3.09% | ||
30 km/h蛇行 | 平均驾驶室侧倾角峰值/(°) | 1.403 | 1.432 | 2.03% |
-0.501 | -0.519 | 3.47% | ||
70 km/h蛇行 | 平均驾驶室侧倾角峰值/(°) | 3.198 | 3.222 | 0.74% |
-2.012 | -2.163 | 6.98% | ||
60 km/h中心区 | 平均驾驶室侧倾角峰值/(°) | 3.095 | 3.083 | 0.39% |
-2.103 | -2.086 | 0.81% | ||
80 km/h中心区 | 平均驾驶室侧倾角峰值/(°) | 2.256 | 2.231 | 1.12% |
-1.289 | -1.301 | 0.92% | ||
50 km/h初速度制动到0 | 驾驶室俯仰角稳态值/(°) | 2.141 | 2.176 | 1.61% |
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