液压互联悬架模糊切换控制设计以及试验验证(英文)  

Switched Fuzzy Control of Hydraulically Interconnected Suspension with Experimental Validation

作　　者：邵欣欣[1] 杜海平[2] 张农[1] 王立夫[3] 

机构地区：[1]湖南大学汽车车身先进设计制造国家重点实验室,湖南长沙410082 [2]卧龙岗大学电子,计算机与通信工程系 [3]悉尼科技大学电机,机械与机械电子学院

出　　处：《汽车工程学报》2014年第2期99-108,共10页Chinese Journal of Automotive Engineering

基　　金：National Natural Science Foundation of China(51175157)

摘　　要：设计一种基于汽车运动-模态的液压互联悬架模糊切换控制策略,利用主要汽车运动模态能量作为实时控制目标实现能量的均衡分配。首先建立汽车悬架动力学模型,然后设计运动-模态识别方法以及切换控制策略,针对汽车车身垂向、车身俯仰以及车身模态设计3个不同的模糊控制器,建立整车仿真平台以及在四通道悬架试验台上进行试验,分别验证该主动悬架系统的有效性。结果表明,此新型的主动互联悬架可以有效降低俯仰运动以及侧倾运动,从而起到防侧翻的效果,悬架操纵性能得到提高。This paper presents a study on fuzzy control of hydraulically interconnected suspension with configuration switching function based on the detected vehicle body motion-mode. Using the dominant vehicle motion-mode energy as a control objective in real time was considered as an effective strategy to balance the energy consumption with the control performance. The modeling of the vehicle suspension dynamics was discussed first. Then a motion-mode detection method and the switching control strategy, where three fuzzy controllers were designed respectively for bounce, pitch and roll motions of the vehicle body, were developed. Finally, simulations and experimental setup with a 4-post test rig for validating the performance of the proposed active suspension system were introduced. The obtained results indicate that the designed controllers can effectively reduce the pitch motion and prevent rollover, and simultaneously achieve good suspension performance.

关 键 词：液压互联悬架 模糊切换控制 运动-模态能量法 试验验证 

分 类 号：U463.334[机械工程—车辆工程]