非线性裂纹转子密封混沌系统自适应控制

应用Muszynska非线性密封力模型,建立了在气流激振力作用下的裂纹转子系统耦合动力学方程.根据自适应控制理论,给出一种多重参数自适应控制算法.利用此方法对裂纹转子密封系统进行了研究,研究结果表明,所提出的参数自适应控制律具有较强的稳定控制能力,该方法适合于多重参数非自治复杂混沌系统,在外界干扰下引起混沌状态的情况,可自适应地调整到正常的工作状态.

Adaptive Control of Nonlinear Cracked Rotor Seal Chaotic System

With the increase of structural parameters of a rotary machine,the sealing induced airflow excitation on the rotor increases significantly.By taking Muszynska's model for sealing force,the nonlinear dynamic equation of a rotor with cracked foundation was derived.According to adaptive control theory,a multi-parametric adaptive algorithm was presented.Numerical simulations on the rotor system were performed with this method.The results show that the parametric adaptive control method possesses strong capabili...