结合膜式空气弹簧的特点，设计了一个双附加气室串联的空气弹簧，确定了主要结构尺寸。

Integrating the characteristic of diaphragm air spring, the air spring with double attaching gas chamber is designed and the main structure dimensions are ascertained.

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结果表明，空气弹簧气囊外形及材料特性、附加气室容积和节流孔直径是影响空气弹簧性能的主要因素。

The results show that shape of the air cell, properties of the material, volume of the appended gas chamber and diameter of the throttle hole are main factors affecting the dynamics of air springs.

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建立了带附加气室空气弹簧系统的动力学方程，经过线性化处理后推导出系统的复刚度模型，依照复刚度模型建立了系统的等效刚度、等效阻尼及固有频率的计算模型。

The dynamics equations of air spring system with auxiliary chamber were established, and the complex stiffness model of the system was deduced according to the equations being linearly processed.

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