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为提高可调油压减振器阻尼性能,并降低其制造成本,提出一种基于优化设计的油压减振器稳健设计方法.对于加工精度要求较高的阻尼阀件,该方法依据流体动力特性、阻尼调节原理和动态特性要求分析并选定敏度参数后,以加工成本和产品性能及其稳健性为优化目标,设计参数及其容差为优化变量,建立了可调线性油压减振器的稳健设计模型.研究结果表明,应用该方法合理分配设计参数的容差,可使加工精度要求降低,性能稳健性提高.
In order to improve the damping performance of adjustable oil damper and reduce its manufacturing cost, a robust design method of hydraulic shock absorber based on optimized design is proposed.For the damping valve with high machining accuracy, this method is based on hydrodynamic After adjusting and selecting the sensitivity parameters, taking the processing cost, product performance and its robustness as optimization objectives, the design parameters and tolerances as optimization variables, the establishment of an adjustable linear hydraulic pressure reduction The robust design model of the resonator is established.The research results show that the reasonable allocation of the tolerance of the design parameters by this method can reduce the processing precision and improve the robust performance.