Vehicle Inerter hanger-bracket parameter optimization design method

Abstract

The invention discloses a vehicle Inerter hanger-bracket parameter optimization design method. The vehicle Inerter hanger-bracket parameter optimization design method includes the following steps that 1, hanger-bracket models are set; 2, basic parameters and road surface input of vehicle types are determined; 3, design variables and the ranges of the design variables are determined; 4, the selected variables are subjected to normalization processing; 5, evaluation index systems of hanger-bracket systems are set; 6, hanger-bracket models of different parameters are simulated; 7, optimal solutions are recorded; 8, domains of the optimal solutions are determined, whether the solution domains reach the designed targets or not is judged, and if the solution domains reach the designed targets, optimization is completed; 9, the ranges of the variables of parameters are changed, or the evaluation index systems of hanger-bracket systems are modified, and optimization design is newly carried out. By means of the vehicle Inerter hanger-bracket parameter optimization design method, the parameter optimal solution domains of hanger brackets can be rapidly and accurately obtained, the problem that multiple existing optimization algorithms are subjected to local convergence can be solved, and the optimal parameters can be selected through the global optimum solution domains. The vehicle Inerter hanger-bracket parameter optimization design method provides a novel method and idea for design and performance researching of the hanger brackets.

Description

technical field [0001] The invention belongs to the field of vehicle suspension system design, in particular to the parameter design optimization of the suspension system using the inerter technology. The invention relates to a design method of a vehicle inertial suspension, in particular to a parameter optimization design method of a vehicle inertial suspension. Background technique [0002] Suspension is the general term for all force-transmitting connection devices between the frame and the axle (or wheel) of a car. The impact force of the frame or body and reduce the vibration caused by it, so as to ensure the smooth running of the car. Suspension is a key system of the vehicle chassis, its performance is crucial to the overall performance of the vehicle, and plays an extremely important role in the development of dynamic performance. [0003] Parameter optimization is a method to achieve the design goal. By parameterizing the design goal and adopting the optimization ...

AI Technical Summary

Problems solved by technology

[0006] Based on the above reasons, the present invention provides a method for optimal design of vehicle inertial suspension parameters. This method can be used to optimize the design of suspension parameters, determine the optimal solution domain of suspension parameters, and effectively solve the problem of convergence of existing optimization methods. Problems with Local Optimal Solutions

Images