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本文提出了阻尼最小二乘可行方向法,针对n自由度汽车模型的悬挂系统,以驾驶员座椅加速度均方根值为目标函数,对阻尼参数进行了最优选择。本方法的特点是求系统的传递函数时采用了Lagrange插值法,解决了理论或数值计算传递函数时遇到的困难。根据该方法编制了FORTRAN程序,并通过较多的算例验证了本方法的有效性和计算程序的可靠性。
In this paper, a damping least square feasible direction method is proposed. For the n-degree-of-freedom vehicle model suspension system, the damping parameter is optimally selected with the rms acceleration of the driver’s seat as the objective function. The characteristic of this method is to use the Lagrange interpolation method to solve the transfer function of the system, which solves the difficulties encountered in the theoretical or numerical calculation of the transfer function. According to this method, the FORTRAN program is compiled, and the validity of the method and the reliability of the calculation program are verified through more examples.