Design And Optimization Of Disc Brake Based On ICS-BP

In this paper,based on the current development status of the automobile industry,in pursuit of handling and speed at the same time,the corresponding car driving safety performance is improved.Through the selection of brake structure form,the design of the brake,the calculation of the brake parts,brake system structure is designed.The rationality of structural design is verified by finite element analysis.Finally,the stability and reliability of the automotive braking system are improved through structural optimization design.The main research progress is as follows:(1)Disc brake structural parts designDrum brakes and disc brakes are researched and the advantages and disadvantages of these two brakes are expounded respectively by comparing their structural form and classification.According to the actual design requirements,the design scheme is determined.Through the design calculation of the vehicle given relevant parameters,the braking force distribution coefficient,synchronous adhesion coefficient and other important parameters are determined.the relative characteristics of the friction liner are determined to meet the design requirements by calculating the specific energy load and other data.Through the design manual,appropriate data and design process are selected to carry out the structural design of brake parts.Auto CAD software is used to draw two-dimensional structure diagrams and build CATIA three-dimensional model.(2)Finite element analysis and structure optimization of disc brakesABAQUS software is used to carry out finite element analysis of some parts to check whether the design of main parts matches the actual requirements,and to modify the mismatches.The brake disc optimization parameters are determined for optimization.The optimization method is determined to establish the optimization model for analysis and calculation by comparing the advantages and disadvantages of several optimization algorithms.Compared with the usual optimization algorithms,the improved cuckoo optimization algorithm with higher convergence speed and higher accuracy is proposed.On this basis,the relevant structural parameters of the brake are optimized.The optimal approximation model is established and the components of the design brake are re-optimized by calculating and analyzing the optimized variables in the way of modeling.The optimization results show that the weight of the optimized brake disc is reduced by 7.6% and the thermal fatigue life is increased by 19.8%.The aim of improving brake performance was accomplished and the feasibility of the method proved which provides some reference for the research of disc brake design optimization.