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Position: Home > Articles > Study on Road Self-adaptive Control of Vehicle Active Suspension Transactions of the Chinese Society for Agricultural Machinery 2005,36 (7) 20-24

车辆主动悬架路面自适应控制系统

作  者:
安管;朱善安
单  位:
成浙江大学电气工程学院;浙江大学电气工程学院
关键词:
车辆;主动悬架;非线性滤波器;自适应控制
摘  要:
针对不同的路面状况,采用增加高低通非线性滤波器的方法,对控制目标进行优化处理,并利用逆向递推(Backstepping)技术,设计了一种主动悬架的路面自适应控制器。仿真结果表明,在不同的路面激励信号作用下,都能取得较好的控制效果,与被动悬架相比,大大改善了乘座的舒适性。
译  名:
Study on Road Self-adaptive Control of Vehicle Active Suspension
作  者:
Guan Cheng Zhu Shan'an(Zhejiang University)
关键词:
Vehicle, Active suspension, Nonlinear filter, Self-adaptive controller
摘  要:
To extend the adaptitude of an active suspension to various road conditions, a dynamic model of a car active suspension was developed, and its working characteristics was analyzed. A low-pass nonlinear filter and a high-pass one were used to optimize the objective function. The effective bandwidth of both nonlinear filters depends on the magnitude of the suspension travel. A road adaptive controller was designed based on the back-stepping technique to minimize the value of the optimized objective function. The simulation results indicated that the controller could greatly improve the ride quality compared to a passive suspension.

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