多轴车辆动力传动系统建模与仿真

白锦洋; 吴学雷; 高峰; 李洪彪; 岳会军

doi:10.13700/j.bh.1001-5965.2016.0708

多轴车辆动力传动系统建模与仿真

doi: 10.13700/j.bh.1001-5965.2016.0708

白锦洋^{1, 2},
吴学雷^2, ,,
高峰¹,
李洪彪²,
岳会军²

1.
北京航空航天大学交通科学与工程学院, 北京 100083
2.
北京航天发射技术研究所, 北京 100076

详细信息

作者简介:
白锦洋,男,博士研究生。主要研究方向:动力传动系统载荷谱

通讯作者:
吴学雷,男,硕士,研究员。主要研究方向:特种车底盘总体技术. E-mail:xlwutg@126.com

中图分类号: U461.7
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出版历程
- 收稿日期: 2016-09-05
- 录用日期: 2016-09-21
- 网络出版日期: 2017-01-20

Modeling and simulation of multi-axle vehicle powertrain system

BAI Jinyang^{1, 2},
WU Xuelei^{2
, ,},
GAO Feng¹,
LI Hongbiao²,
YUE Huijun²

1.
School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
2.
Beijing Institute of Space Launch Technology, Beijing 100076, China

More Information

Corresponding author: E-mail:xlwutg@126.com

摘要

摘要:
为了研究多轴车辆动力传动系统动态载荷特性，开发了多轴车辆动力传动系统动力学仿真模型。根据柴油发动机负荷特性试验数据构建循环供油量-转速-扭矩MAP图，通过模糊PI控制器对发动机循环供油量进行调节，建立了发动机动态特性模型；建立了液力变矩器模型、换挡离合器模型以及分动箱、过桥齿轮箱、主减速器、轮边减速器等传动部件模型。利用MATLAB/Simulink建立了多轴车辆动力传动系统动力学仿真模型，并进行了仿真分析，实车试验结果表明，仿真模型可有效模拟车辆动力传动系统的速度特性和动态载荷特性。
- 多轴车辆 /
- 动力传动系统 /
- 建模与仿真 /
- 柴油发动机模型 /
- 动态载荷
Abstract:
In order to study the dynamic load characteristics, the multi-axle vehicle powertrain system dynamics simulation model was developed. First, the engine dynamic characteristic model was built by obtaining the cycle fuel injection quantity-rotate speed-torque MAP according to the load characteristic test data and establishing a fuzzy PI controller to adjust the cycle fuel injection quantity. Second, the transmission system was built with modeling of the torque converter, the simplified clutch model, the transfer case, the interaxle differential, the main reducer, the wheel-side reducer, etc. Finally, the multi-axle vehicle powertrain system dynamics simulation model was established in Simulink. The comparison results between simulation and test data show that the model effectively simulates the dynamic load characteristics and the speed characteristics.
- multi-axle vehicle /
- powertrain system /
- modeling and simulation /
- diesel engine model /
- dynamic load

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图 1 柴油发动机系统框图

Figure 1. Diesel engine system diagram

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图 2 发动机输出特性拟合曲面

Figure 2. Engine output characteristics fitting surface

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图 3 柴油发动机动态仿真模型

Figure 3. Diesel engine dynamic simulation model

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图 4 液力变矩器的原始特性曲线

Figure 4. Original characteristic curves of torque converter

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图 5 离合器踏板位移与最大静摩擦扭矩的关系

Figure 5. Clutch pedal displacement versusmaximum static friction torque

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图 6 两级传动部件动力学模型

Figure 6. Dynamic model of two-stage transmission component

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图 7 多轴车辆动力传动系统结构框图

Figure 7. Structure diagram of multi-axlevehicle powertrain system

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图 8 多轴车辆动力传动系统仿真原理图

Figure 8. Schematic diagram of multi-axle vehicle powertrain system simulation

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图 9 6挡行驶时仿真结果与试验对比

Figure 9. Comparison between simulation results and test data of 6-gear driving

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图 10 连续换挡加速仿真结果与试验对比

Figure 10. Comparison between simulation results and test data of acceleration with continuous shift

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表 1 回归方程系数拟合结果

Table 1. Fitting results of regression equation coefficient

系数	p₀₀	p₁₀	p₀₁	p₂₀	p₁₁	p₀₂
拟合结果	586.8	0.814 6	2 497	-2.976×10^-4	-0.117 7	389.8

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表 2 模糊控制规则

Table 2. Fuzzy control rules

e(t)	e_c(t)
e(t)	PB/PM/PS	ZO	NS/NM/NB
PB	PS/ZO	PS/ZO	PS/ZO
PM	PM/ZO	PM/ZO	PM/ZO
PS	PB/PS	PB/PS	PB/PS
ZO	NB/PB	PB/PB	PB/PB
NS	NB/NS	NB/ZO	NB/ZO
NM	NM/ZO	NM/ZO	NM/ZO
NB	NS/ZO	NS/ZO	NS/ZO

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表 3 仿真与试验结果对比

Table 3. Simulation results versus test data

挡位	最高车速/ (km·h^-1)			发动机最高输出转速/(r·min^-1)			发动机最大输出扭矩/(N·m)			变速器输出转速/(r·min^-1)			变速器最大输出扭矩/(N·m)
挡位	试验	仿真	误差/%	试验	仿真	误差/%	试验	仿真	误差/%	试验	仿真	误差/%	试验	仿真	误差/%
3	11.0	12.2	9.8	2 007	2 070	3.1	1 450	1 270	-16.7	355	381	7.3	6 243	5 416	-13.2
4	17.4	18.2	4.6	2 131	2 180	2.3	2 070	2 054	-0.8	566	572	1.1	6 880	6 634	-3.6
5	27.2	26.5	-2.6	2 210	2 181	-1.3	2 490	2 437	-2.1	845	832	1.5	5 785	5 828	0.7
6	40.0	39.9	-0.3	2 168	2 175	0.3	2 694	2 663	-1.2	1 250	1 253	0.2	4 315	4 278	-1.0
7	48.4	48.1	-0.6	1 795	1 810	0.3	2 802	2 798	-0.1	1 525	1 520	-0.3	3 090	3 080	-0.3
8	56.5	56.3	-0.4	1 794	1 794	0	3 008	2 867	-4.7	1 765	1 765	0	2 305	2 222	-3.6

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