中国机械工程
中國機械工程
중국궤계공정
CHINA MECHANICAl ENGINEERING
2012年
9期
1092-1098
,共7页
蒋学争%胡红生%宋宏伟%王炅
蔣學爭%鬍紅生%宋宏偉%王炅
장학쟁%호홍생%송굉위%왕경
磁流变%汽车悬架%自适应%半主动控制
磁流變%汽車懸架%自適應%半主動控製
자류변%기차현가%자괄응%반주동공제
magnetorheological(MR)%automobile suspension%self-adaptive%semi-active control
针对目前应用于汽车悬架系统的磁流变减振器工作时需要外部电源和控制设备的问题,设计了一种新型磁流变减振器,该减振器在无需外部电源和控制设备的条件下实现了对振动的自适应控制。研究了该减振器的结构特征和电能收集理论模型,并进行了模拟仿真。利用该减振器构建了无需外部电源和控制设备的汽车自适应磁流变悬架半主动控制系统,在1/4悬架实验台上进行了实验研究,实验结果表明,该控制系统是可行的,明显提高了汽车行驶的平顺性。
針對目前應用于汽車懸架繫統的磁流變減振器工作時需要外部電源和控製設備的問題,設計瞭一種新型磁流變減振器,該減振器在無需外部電源和控製設備的條件下實現瞭對振動的自適應控製。研究瞭該減振器的結構特徵和電能收集理論模型,併進行瞭模擬倣真。利用該減振器構建瞭無需外部電源和控製設備的汽車自適應磁流變懸架半主動控製繫統,在1/4懸架實驗檯上進行瞭實驗研究,實驗結果錶明,該控製繫統是可行的,明顯提高瞭汽車行駛的平順性。
침대목전응용우기차현가계통적자류변감진기공작시수요외부전원화공제설비적문제,설계료일충신형자류변감진기,해감진기재무수외부전원화공제설비적조건하실현료대진동적자괄응공제。연구료해감진기적결구특정화전능수집이론모형,병진행료모의방진。이용해감진기구건료무수외부전원화공제설비적기차자괄응자류변현가반주동공제계통,재1/4현가실험태상진행료실험연구,실험결과표명,해공제계통시가행적,명현제고료기차행사적평순성。
According to the problem of power supply and control for current automobile MR suspensions,a new MR damper was designed to control the vibration of vehicle suspensions,which can isolate vibration intellectually under no-power and no-control device circumstances.A dynamic equation for the new MR damper was derived and a simulation study based on Matlab and PSPICE was conducted to check the ability of harvesting energy.Based on this new MR damper,an automobile self-adaptive MR suspensions semi-active vibration control system was constructed and tested on 1/4 vehicle suspension test rig.The experimental results show that the automobile self-adaptive MR suspensions vibration control system based on the new MR damper is feasible and can improve ride comfort of vehicle effectively.