This paper introduces the development situation of gear reduction unit both at home and abroad and also analyzes the features of die block type gear reduction unit,which is the development direction of gear reduction unit.
介绍了国内外齿轮减速器的发展情况,并分析了模块式减速器的特点。
A flight trajectory math model of an assumed cruise aircraft is built according to a simple blue print of the flight control system,with the foundation of a particular analysis of its kinematics and dynamics.
本文以某个虚构的巡航式飞行器的飞行控制系统为研究对象，首先讨论了一个简单的总体方案，然后根据此方案，在详细分析此飞行器运动学与动力学的基础上，建立了飞行器飞行仿真数学模型，并在允许的条件下进行简化得出了此飞行器线性化小扰动短周期运动模型与传递函数仿真模型。
