基于阻尼多级分段调节的半主动悬架系统

A?semi-active?suspension?system?based?on?damping?multi-stage?subsection?regulation

摘要:

为提高汽车的平顺性和舒适性，提出了一种多级分段调节减振器阻尼的方法。为创建该方法，首先建立了汽车半主动悬架动力学模型，通过分析模型得到和减振器匹配的阻尼控制规律和最优解。设计了一种基于电磁阀控制节流孔通道的硬件结构。对减振器阻尼大小进行了分级定义，对不同的路面状况，匹配不同级别的减振器阻尼。探讨了半主动悬架可控减震器节流参数控制规律，根据该规律构思了此减振器的控制方法。开展了针对多级分段调节的半主动悬架系统的路面试验，试验表明该种减振器具有较好的减震效果，能够有效的提升汽车的的行驶平顺性和稳定性。

Abstract:

in?order?to?improve?the?ride?comfort?and?comfort?of?the?automobile,?a?method?of?multi-stage?sectional?adjustment?of?damper?damping?is?proposed.?In?order?to?establish?the?method,?the?dynamic?model?of?semi-active?suspension?is?established?firstly,?and?the?damping?control?law?and?optimal?solution?matching?with?the?shock?absorber?are?obtained?by?analyzing?the?model.?A?hardware?structure?of?the?throttle?channel?controlled?by?solenoid?valve?is?designed.?This?paper?defines?the?magnitude?of?damper's?damping?in?different?levels,?and?matches?different?levels?of?damper's?damping?for?different?road?conditions.?The?throttle?parameter?control?law?of?the?controllable?shock?absorber?of?the?semi-active?suspension?is?discussed,?and?the?control?method?of?the?shock?absorber?is?conceived?according?to?the?law.?The?road?test?of?the?semi-active?suspension?system?is?carried?out,?and?the?results?show?that?the?damper?has?good?damping?effect?and?can?effectively?improve?the?ride?comfort?and?stability?of?the?vehicle.