论文部分内容阅读
对一种残损航空器搬移拖车的悬挂机构进行了尺度综合研究。对该悬挂机构进行了理论分析与数学建模,建立了液压油缸推力与该机构各个杆长的映射关系。在此基础上,以液压油缸在工作空间里的平均推力最小作为优化目标,以初始位置该机构各铰点坐标值为设计变量,合理添加几何约束与运动约束,研究了该悬挂机构的尺度综合问题。通过单调性分析,揭示了该悬挂机构各个尺度参数对优化目标的影响规律,并利用MATLAB软件,采用约束坐标轮换法求出最优解。通过对比优化前后结果,验证了该优化方法的有效性。
A comprehensive study on the suspension mechanism of a damaged aircraft moving trailer was conducted. Theoretical analysis and mathematical modeling of the suspension mechanism are carried out, and the mapping relationship between the thrust of the hydraulic cylinder and each rod length of the mechanism is established. On this basis, taking the minimum average thrust of the hydraulic cylinder in the working space as the optimization target, taking the coordinate values of the hinge points in the initial position as the design variables, the geometric constraints and the movement constraints are reasonably added, and the scale synthesis of the suspension mechanism is studied. problem. Through the monotonicity analysis, the influence rules of various scale parameters of the suspension mechanism on the optimization target are revealed, and the optimal solution is obtained by using MATLAB software and constrained coordinate rotation method. By comparing the results before and after optimization, the effectiveness of this optimization method is verified.