面向新能源汽车的悬架振动能量回收在线控制方法

郜浩楠 1; 徐俊 1; 蒲晓晖 1; 李士盈 1; 3; 梅雪松 1; 2; 3

doi:10.7652/xjtuxb202004003

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面向新能源汽车的悬架振动能量回收在线控制方法

更新时间：2025-07-09

- 面向新能源汽车的悬架振动能量回收在线控制方法
- An Online Control Method for Energy Recovery of Suspension Vibration of New Energy Vehicles
- 西安交通大学学报 2020年54卷第4期页码：19-26
- 作者机构：
  
  1. 西安交通大学陕西省智能机器人重点实验室,西安,710049
  2. 西安交通大学机械制造与系统工程国家重点实验室,西安,710049
  3. 西安交通大学机械工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2019-10-15。作者简介: 郜浩楠(1996-),男,硕士生;徐俊(通信作者),男,副教授,博士生导师。基金项目: 陕西省重点研发计划资助项目(2018ZDCXL-G-15-4);中央高校基本科研业务费专项资金资助项目(xjj2018043)
- DOI：10.7652/xjtuxb202004003
  中图分类号： TH113.1
- 网络首发：2020-04-10，
  
  纸质出版：2020
- 稿件说明：
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郜浩楠 1, 徐俊 1, 蒲晓晖 1, 等. 面向新能源汽车的悬架振动能量回收在线控制方法[J]. 西安交通大学学报, 2020,54(4):19-26.

An Online Control Method for Energy Recovery of Suspension Vibration of New Energy Vehicles[J]. 2020, 54(4): 19-26.
郜浩楠 1, 徐俊 1, 蒲晓晖 1, 等. 面向新能源汽车的悬架振动能量回收在线控制方法[J]. 西安交通大学学报, 2020,54(4):19-26. DOI： 10.7652/xjtuxb202004003.

An Online Control Method for Energy Recovery of Suspension Vibration of New Energy Vehicles[J]. 2020, 54(4): 19-26. DOI： 10.7652/xjtuxb202004003.

摘要

针对目前新能源汽车悬架中阻尼器阻尼调节复杂、能耗大的问题

提出了一种高效的电磁阻尼器阻尼系数在线控制方法

同时实现振动能量的回收。该方法使用由直流电机和滚珠丝杠机构组成的电磁阻尼器

首先设计了基于高频DC-DC变换器的阻尼调节电路

通过调节驱动功率场效应晶体管(MOSFET)的脉宽调制(PWM)信号占空比

其输出电压可基于输入电压进行调节; 然后在阻尼器工作过程中计算目标电磁转矩

求出达到该参考转矩需要的电枢电流。另一方面

在工作过程中不断采集实际电枢电流

并将该实际电流送至PI控制器进行PI闭环调节

输出驱动PWM信号的占空比; 最后由PWM控制器以1 kHz的调节频率驱动DC-DC变换器

实现目标转矩的跟随和能量回收。基于实车的相关参数搭建了1/4悬架系统实验台架

实验结果表明

该电磁悬架系统可回收约184 W的振动能量

响应速度可达10 Hz

验证了阻尼系数调节和控制方法的有效性。

Abstract

An efficient online control method of the electromagnetic damper damping coefficient is proposed to deal with the problem that the damping adjustment of damper in suspension of present new energy vehicle is complicated and energy consuming

and the vibration energy is recovered at the same time. The method uses an electromagnetic damper that consists of a DC motor and a ball screw mechanism. First

a damping adjustment circuit based on a high-frequency DC-DC converter is designed. Its output voltage is adjusted based on input voltage by adjusting the duty cycle of the PWM signal that drives the power MOSFET. Then the target electromagnetic torque is calculated during the working process of the damper

and the armature current required to reach the reference torque is calculated. On the other hand

the actual armature current is continuously collected during the working process

and the current is sent to a PI controller for PI closed-loop adjustment to output the duty cycle of the driv

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