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An LMI-based approach for the control of semi-active magnetorheological suspensions

机译:基于LMI的控制方法,用于控制半主动磁流变悬架

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We address modelling and control of semi-active suspensions based on magnetorhe-ological (MR) fluids. We first introduce a saturation-based model of the underlying nonlinear phenomena, and combine the MR suspension with a quarter car model whose parameters resemble an SUV-like vehicle. Then we present simulation results to test the passenger comfort arising from the passive configuration (namely holding the input constant over the whole simulation) and the use of the Skyhook controller (which is adapted from its typical use in electrohydraulic suspensions). Finally, we propose LMI-based control designs exploiting an approximated model and typical generalized sector conditions for saturation nonlinearities. The simulation results show the advantages of the proposed design.
机译:基于磁料 - 惰性(MR)流体的半主动悬浮液来解决模型和控制。我们首先介绍基于阶段的基于潜在的非线性现象模型,并将MR悬架与四分之一的汽车模型相结合,其参数类似于SUV样车辆。然后,我们提出了仿真结果来测试由无源配置产生的乘客舒适度(即,在整个仿真中保持输入常数)和Skyhook控制器的使用(其典型使用在电液悬浮液中)。最后,我们提出基于LMI的控制设计利用近似模型和典型的广义扇区条件进行饱和非线性。仿真结果显示了所提出的设计的优点。

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