| 公路桥梁车辆耦合系统随机最优控制研究 |
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| 引用本文： | 孙燕军,冷小磊. 公路桥梁车辆耦合系统随机最优控制研究[J]. 应用力学学报, 2012, 29(3): 335-340,359 |
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| 作者姓名： | 孙燕军 冷小磊 |
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| 作者单位： | 南京航空航天大学振动工程研究所,南京,210016 |
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| 基金项目： | 南京航空航天大学基本科研业务费专项科研项目 |
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| 摘 要： | 为了研究公路桥梁车辆耦合系统随机振动的控制策略,本文基于1/4车辆-桥梁模型,采用随机最优控制中随机最优输出调节器对系统进行控制。算例分析表明:采用随机最优控制的系统竖向位移响应方差较无控制情况减小量达90%。该控制方法的应用可大大降低系统竖向位移响应方差,有效提高车辆行驶的平稳性。
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| 关 键 词： | 车桥耦合 最优控制 动态响应 方差 |
Research on optimal control of a coupled vehicle-bridge system |
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| Sun Yanjun Leng Xiaolei. Research on optimal control of a coupled vehicle-bridge system[J]. Chinese Journal of Applied Mechanics, 2012, 29(3): 335-340,359 |
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| Authors: | Sun Yanjun Leng Xiaolei |
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| Affiliation: | Sun Yanjun Leng Xiaolei(Institute of Vibration Engineering Research,MOE Key Lab of Structure Mechanics and Control for Aircraft,Nanjing University of Aeronautics and Astronautics,210016,Nanjing,China) |
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| Abstract: | For the research of control method applied in stochastic vibration of vehicle-bridge system,stochastic optimal output regulator is applied for the vehicle-bridge system based on quarter-vehicle-bridge model.It is proved that the variance of vertical displacement response in system applied stochastic optimal control can be decreased by 90%.The control method can decrease variance of vertical displacement response,as well as improve stability of driving. |
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| Keywords: | coupled vehicle-bridge system optimal control dynamic response variance |
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