单 位:
东南大学机械工程学院;南京林业大学机械电子工程学院
关键词:
车辆主动悬架;分数阶微积分;分数阶参考模型;自适应控制
摘 要:
基于分数阶微积分理论,提出一种以分数阶控制对象为参考模型的自适应控制方法,并基于李雅普诺夫稳定性理论,得到自适应控制律。以车辆主动悬架为研究模型,以分数阶"天棚"阻尼控制悬架为参考模型,利用Oustau lop分数阶仿真算法,在SIMULINK中对悬架模型自适应控制进行仿真。结果表明:自适应控制器不仅可明显降低车身加速度,提高平顺性,对模型参数的不确定性也具有良好的鲁棒性。
译 名:
Adaptive control of vehicle suspension using fractional order reference models
作 者:
CHEN Ning1,CHEN Nan2,WANG Nai-zhou1,TAI Yong-peng2(1.College of Electronic and Mechanical Engineering,Nanjing Forestry University,Nanjing 210037,China;2.College of Mechanical Engineering,Southeast University,Nanjing 210098,China)
关键词:
vehicle active suspension;fractional calculus;fractional order reference model;adaptive control
摘 要:
According to the fractional calculus theory,a model-reference adaptive control using fractional order reference models was presented.The adjustment rules of adaptive control were obtained based on the Lyapunov stability theory.An active suspension with the fractional order skyhook damper was used as the reference model.A dynamics model of the quarter car with adaptive control suspension was simulated in SIMULINK using the Oustaulop's simulation algorithm for fractional order system.The simulation results showed that the new Model-reference adaptive controller could improve the characteristics of vehicle in ride and handling.It had a good robustness against model uncertainties as well.