Method for processing nonlinear stiffness data of suspension systems of power assemblies of automobiles
An automotive powertrain and mounting system technology, which is applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as large calculation workload, achieve simple operation, simple design, and reduce design calculation workload. Effect
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[0020] like figure 1 As shown, a method for processing nonlinear stiffness data of an automobile powertrain suspension system includes the following steps:
[0021] 1) The data input module inputs the static stiffness data of the mount, the static force data of the powertrain mount, the maximum displacement data in the compression direction under extreme conditions, and the maximum displacement data in the tension direction under extreme conditions into the data processing module.
[0022] 2) The data processing module obtains the position of the static point according to the static stiffness data of the mount and the static force data of the powertrain mount. The static stiffness data of the mount is based on the powertrain mass, moment of inertia, suspension The coordinates of the elastic center and the center of mass of the powertrain are set, and the suspension vibration isolation rate, modal decoupling rate, and lateral rotation frequency or longitudinal rotation frequenc...
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