Energy Regenerative Suspension and Its Performance Optimization for Electric Vehicle

doi:10.7652/xjtuxb201608015

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Energy Regenerative Suspension and Its Performance Optimization for Electric Vehicle

更新时间：2025-05-08

- Energy Regenerative Suspension and Its Performance Optimization for Electric Vehicle
- Vol. 50, Issue 8, Pages: 90-95(2016)
- 作者机构：
  
  1. 西安交通大学机械工程学院,西安,710049
  2. 西安交通大学机械制造系统工程国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201608015
  CLC： U463.1
- Online First：10 August 2016，
  
  Published：2016
- 稿件说明：
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Energy Regenerative Suspension and Its Performance Optimization for Electric Vehicle[J]. 2016, 50(8): 90-95.
DOI：

Energy Regenerative Suspension and Its Performance Optimization for Electric Vehicle[J]. 2016, 50(8): 90-95. DOI： 10.7652/xjtuxb201608015.

摘要

针对汽车悬架振动能量耗散、悬架阻尼特性较差的问题

提出了一种滚珠丝杠式振动能量回收悬架

实现了悬架振动能量回收。通过局部优化方法得到了变阻尼系数的悬架阻尼特性

提升了悬架性能。建立了馈能悬架的理论及仿真模型

仿真结果表明:采用路面随机高程激励

在不同路面等级下平均馈能功率为40～200 W。搭建了馈能悬架振动实验台

实验结果表明:采用电机拖动

在不同振动速度下瞬时馈能功率达到120 W。构造了悬架性能目标函数

通过控制负载阻值

用实验数据拟合得到了变阻尼系数的悬架特性。滚珠丝杠式馈能悬架不仅可以实现悬架振动能量的回收

而且可以控制负载阻值来优化悬架特性。

Abstract

A ball-screw energy regenerative suspension(BES)is proposed to solve the problems that the vibration energy of the automobile suspension is dissipated and its damping characteristic is poor. The BES not only realizes the suspension vibration energy recovery

but also obtains suspension damping characteristics with variable damping coefficients through a local optimization method. Hence

the performance of the BES is improved. Theoretical and simulation models of the suspension are established

and simulation results show that based on random road elevation

the average energy recovery power of the BES under different operating conditions is about 40 - 200 W. A vibration test platform of the BES is set up

and test results show that when a motor is used to drive

the instantaneous energy recovery power at different vibration speeds achieves 120 W. An objective function of the suspension performance is given

and test data is fitted to obtain the variable damping coefficient of the BES through changing the load resistance. It is concluded that the BES not only recycles the vibration energy

but also optimizes the suspension performance by controlling the load resistance.

关键词

Keywords

references

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