本文将对各种起落架，包括单气腔、双气腔、双油式起落架缓冲器进行数学建模，为缓冲性能分析及未来的试验仿真打下基础。
The paper builds the mathematical models of buffer, such as single air cavity, double air cavity. Also it will give basis to the buffer Function Analysis and the testing simulation.
对缓冲器油针截面尺寸优化，缩短了缓冲器行程，提高了缓冲器效率，降低了缓冲器重量。
Meanwhile, an size optimization on the pin cross-section of absorber is performed, which shortened the absorber extent, improved its performance and reduced its weight.
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