实现变椭圆轨迹混合输入五杆机构的设计

Minimization of Power Based Design of Realization Variable ellipse tajectory of Hybrid Input Five bar Mechanism

首先建立混合输入五杆机构实现轨迹的运动学和动力学数学模型 ,然后根据这些模型及混合输入无条件三曲柄五杆机构不等式 ,建立基于可控马达功率最小的混合输入五杆机构实现变椭圆轨迹的优化综合模型。改进遗传算法保证获得全局最优解。综合实例结果表明混合输入五杆机构较开链二杆机构实现相同轨迹运动规律有明显的优点。

First,this paper has set up mathematics models of kinematics and dynamics of hybrid input five bar trajectory generating linkages.Then according to these models and inequqlities of hybrid input non condition three cranks five bar mechanism,it has established optimizing synthesis model to realize the varibable ellipse trajectory of hybrid input five bar mechanism and its controlled motors power being minimized.By utilizing the modified genetic algorithm,it can obtain the global optimal solution.The results of synthesis examples show that hybrid input five bar mechanism has more advantages over open loop two bar mechanism.