【摘要】 前置组合式转向梯形机构具有布置灵活、传动可靠等优点，但机构复杂、设计困难。本文从运动分析入手，建立了优化数学模型及算法，开发地优化设计软件系统。并给出了设计分析实例更多还原

【Abstract】 Front-positioned compound steering linkage has a series of advantages as arrangement flexibility,transmission reliaility etc,but its construction is so complicated as to be designed difficultly.This paper sets up both optimal mathematical model and algouithm,while software system for optimal design is worked out,and gives some practical examples.更多还原