该文针对复杂机械结构零件强度可靠度计算中基本变量与应力响应之间无法用显函数表达的难点 ,基于结构强度的有限元分析方法、人工神经网络(ANN) ,理论和蒙特卡罗 (MC)仿真技术 ,首次提出了复杂结构零件强度可靠度计算的智能仿真算法 ,并对某重载履带车辆行星变速装置中关键零件———复合框架结构进行了强度可靠度计算 According to the finite element analysis method based on structural strength, artificial neural network (ANN), theory and Monte Carlo (MC), aiming at the difficulty of expressing the basic variable and stress response in the calculation of the strength reliability of the parts with complex mechanical structure, ) Simulation technology, the intelligent simulation algorithm for the calculation of the strength reliability of complex structural components is proposed for the first time. The calculation of the strength reliability of the composite frame, which is the key part in the planetary transmission of a heavy-duty tracked vehicle,