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| 1 | 匹配机械弹性车轮的电子稳定控制器参数分析显示文摘为了提高匹配机械弹性车轮(MEW)的某越野车操纵稳定性,考虑MEW与传统子午线轮胎侧偏特性存在的不确定性摄动,基于Lyapunov稳定性理论为电子稳定控制(ESC)程序设计了鲁棒反馈控制器;引入轮胎侧偏刚度不确定性的范数有界模型,运用Schur补引理和线性矩阵不等式(LMI)求解反馈矩阵。设定不同的车速和路面附着系数,通过搭建CarSim/Simulink联合仿真平台对控制器展开鱼钩试验,仿真结果表明,匹配MEW的ESC控制器能够保证车辆行驶的稳定性,横摆角速度与质心侧偏角跟踪误差分别稳定在0.03~0.3 rad/s与0.06~0.1 rad之内,并且设计的控制算法对MEW在0.5倍普通充气车轮侧偏刚度变化范围内具有很好的鲁棒性,从而为匹配MEW的整车主动安全控制提供了理论参考。 | 郑鑫 赵又群 王秋伟 张陈曦 | 2020 | 中国机械工程2020，31，23： | 3 |
| 2 | Steady-State Cornering Properties of a Non-pneumatic Tire with Mechanical Elastic Structure显示文摘Mechanical elastic wheel(ME-wheel)is a new type of non-inflatable safety tyre,and the structure is significantly different from traditional pneumatic tyre.In order to investigate cornering properties of ME-wheel,experimental research on mechanics characteristics of ME-wheel under steady-state cornering conditions are carried out.The test of steady-state cornering properties of ME-wheel at different experimental parameter conditions is conducted by test bench for dynamic mechanical properties of tyre.Cornering property curves are used to analyze the steady-state cornering properties of ME-wheel,namely the variation tendency of lateral force or aligning torque with the increase of side-slip angle.Moreover,evaluation indexes for cornering properties of ME-wheel are extracted and the effect of different experimental parameters(including vertical load,friction coefficient,and speed)on cornering properties of ME-wheel is contrastively analyzed.The proposed research can provide certain reference to facilitate structure parameters and cornering properties optimizing process of ME-wheel. | Fu Hongxun Zhao Youqun Lin Fen Du Xianbin Zhu Mingmin | 2017 | Transactions of Nanjing University of Aeronautics and Astronautics2017，34，5： | 2 |
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