在对履带式推土机主离合器接合过程分析的基础上，建立了其数学模型。
On the basis of an analysis of the engagement process of the main clutch on tracked bulldozer, a math model is established.
优化结果表明，弹簧在离合器接合和分离过程中的变形能随其结构参数和性能参数有某种变化规律。
The optimum results showed that some laws of the strain energy of the spring in clutch engaging and disengaging change with structure and performance parameters of the spring.
采用数值仿真和优化方法，对主离合器接合过程进行了分析研究，提出了最佳接合过程的压紧规律。
The engagement process of the main clutch is analyzed using digital simulation and optimization and a compressing rule of optimal engagement process is presented.
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