The invention discloses a damping force constraint linear segmentation control method for a magnetorheological semi-active suspension, and belongs to the technical field of magnetorheological semi-active suspensions. The semi-active suspension linear segmentation control method considering the energy dissipation characteristic of a magneto-rheological damper comprises the following steps: S1, testing the nonlinear characteristic of the magnetorheological damper, and obtaining an outer envelope line of a damping force adjustable range; S2, damping force constraint of linear segmentation is obtained; S3, constructing a magneto-rheological semi-active suspension model with linear segmented damping force constraint; S4, calculating to obtain a control rule of the damping force; S5, according to a damping force control rule, calculating the damping force required by vibration reduction by using a real-time vibration signal acquired by the sensor; and S6, converting the damping force obtained through calculation into actual driving current through the magneto-rheological damper inverse model.a.
磁流变半主动悬架阻尼力约束线性分段控制方法,属于磁流变半主动悬架技术领域。它给出了一种考虑磁流变阻尼器能量耗散特性的半主动悬架线性分段控制方法。包括以下步骤:S1:测试磁流变阻尼器的非线性特性,得到阻尼力可调节范围的外包络线;S2:得到线性分段的阻尼力约束;S3:构建具有线性分段阻尼力约束的磁流变半主动悬架模型;S4:计算得到阻尼力的控制规律;S5:根据阻尼力控制规律,利用传感器获取的实时振动信号计算得到减振所需的阻尼力;S6:利用磁流变阻尼器逆模型,将计算得到的阻尼力转化为实际的驱动电流。
Damping force constraint linear segmentation control method formagneto-rheological semi-active suspension
磁流变半主动悬架阻尼力约束线性分段控制方法
2021-08-03
Patent
Electronic Resource
Chinese
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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