混合动力汽车传动系统纯电动模式下扭振主动控制研究

陈星; 彭丹; 候宇; 杨林

doi:10.13433/j.cnki.1003-8728.20200188

混合动力汽车传动系统纯电动模式下扭振主动控制研究

doi: 10.13433/j.cnki.1003-8728.20200188

陈星^{1, 2,},
彭丹¹,
候宇³,
杨林³

1.
重庆交通大学, 机电与车辆工程学院, 重庆 400074
2.
重庆文理学院, 智能制造学院, 重庆 402160
3.
重庆长安工业(集团)有限责任公司, 特种车辆研究所, 重庆 400023

基金项目:

重庆市研究生科研创新项目 CYS20296

国家自然科学基金项目 51505051

中国博士后科学基金 2019T120813

中国博士后科学基金 2018M643420

详细信息

作者简介:
陈星(1985-), 副教授，硕士生导师，博士, 研究方向为车辆动力学与控制, bit_cx@163.com

中图分类号: U27
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- 文章访问数: 154
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- PDF下载量: 44
- 被引次数: 0
出版历程
- 收稿日期: 2020-03-05
- 刊出日期: 2021-07-01

Study on Torsional Vibration Active Control of Hybrid Electric Vehicle Transmission System in Pure Electric Mode

CHEN Xing^{1, 2
,},
PENG Dan¹,
HOU Yu³,
YANG Lin³

1.
School of Mechanical and Electrical Engineering, Chongqing Jiaotong University, Chongqing 400074, China
2.
School of Intelligent Manufacturing, Chongqing University of Arts and Sciences, Chongqing 402160, China
3.
Special Vehicle Research Institute, Chongqing Changan Industry(Group) Co., Ltd., Chongqing 400023, China

摘要

摘要: 混合动力汽车传动系统受发动机、电机、传动构件、路面激励等多源激励以及模式切换时产生很大的动载荷，从而诱发复杂的扭转振动问题, 直接影响传动系统的平顺性、可靠性与安全性。为了抑制传动系统的扭转振动，本文针对传动系统纯电动模式提出了一种基于混合自适应控制算法的主动控制策略。采用状态空间法建立了传动系统双质量运动学平衡方程，结合前馈控制器和反馈控制器，构建了传动电动模式的主动减振控制模型。通过分析理想模型阻尼比对控制效果的影响，获取了传动系统的最优阻尼比。通过仿真分析，对比了有无干扰情况下的控制效果，结果表明本文提出的混合自适应控制算法可降低传动系80%~90%的扭转振动并使系统稳定时间提前83%~87%，能够有效抑制HEV在纯电动模式下启动时的扭转振动，并且可以消除特定频率的外界干扰。
- 混合动力 /
- 纯电动 /
- 主动控制 /
- 自适应算法
Abstract: The hybrid vehicle transmission system is subjected to multiple sources of excitation such as the engine, motor, transmission components, and road surface excitation, and a large dynamic load generates when the mode is switched, which induces complex torsional vibration problems and directly affects the smoothness, reliability and safety of the transmission system. In order to suppress the torsional vibration of the transmission system, an active control strategy based on the hybrid adaptive algorithms for the pure electric mode of the transmission system is proposed. The state-space method was used to establish the dual-mass kinematic balance equation of the transmission system, and the active vibration damping control model for the transmission electric mode was constructed by combining the feedforward controller and feedback controller. By analyzing the effect of the ideal model damping ratio on the control effect, the optimal damping ratio of the transmission system was obtained. Through simulation analysis, the control effects with and without interference are compared. The results show that the hybrid adaptive control algorithm proposed in this paper can reduce the torsional vibration of the drive train by 80%~90% and advance the system stability time by 83%~87%. It effectively suppresses the torsional vibration of the HEV when it starts in pure electric mode, and can eliminate external interference at a specific frequency.
- hybrid vehicle /
- pure electric mode /
- active control /
- adaptive algorithms

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图 1 双质量模型

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图 2 G_p(s)幅频特性图

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图 3 自适应振动控制算法原理图

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图 4 控制模型原理图

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图 5 仿真模型

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图 6 不同阻尼比的控制效果对比

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图 7 无干扰情况下的仿真结果

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图 8 外界干扰激励

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图 9 有扰动情况下仿真结果

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表 1 HVE主要参数表

参数	数值
电机转子等效惯性力矩J_m/(kg·m²)	0.037
车轮等效惯性力矩J_w/(kg·m²)	0.08
左半轴等效扭转刚度K_hl/(N·m²·rad^-1)	2 693
右半轴等效扭转刚度K_hr/(N·m²·rad^-1)	2 460
左右半轴的等效阻尼C_l, C_r/(N·m·s·rad^-1)	10
减速比i	7.25
整车质量m/kg	1 630
车轮半径r/m	0.285

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表 2 速度仿真结果对比(无干扰)

控制方式	波峰最大值/ (rad·s^-1)	波谷最小值/ (rad·s^-1)	波动数	稳定时间/s
无控制	43.92	-27.02	8	1.47
前馈控制	18.95	4.44	1	0.63

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表 3 速度仿真结果对比(有干扰)

控制方式	波峰最大值/ (rad·s^-1)	波谷最小值/ (rad·s^-1)	波动数	稳定时间/s
前馈控制	52.96	-45.75	9	1.95
混合控制	15.96	7.25	2	0.75

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