【摘要】 分析了静态条件下发动机推力线横移和偏斜的产生原因,介绍了激光跟踪仪的测量原理,并提出了一种激光跟踪仪测量发动机推力线的方法。从测量方法和仪器两方面进行了精度分析。发动机推力线测量实例证明了该方法的可行性;误差仿真计算结果证明了该方法具有较高的测量精度。更多还原

【Abstract】 The reasons why lateral misalignment and deflection of thrust line of solid rocket motor in static condition are generated were analyzed,and measurement principle of laser tracker was introduced,moreover a new method for measuring thrust line of SRM with laser tracker was put forward.Accuracy of measurement method and device were analyzed respectively.The feasibility of the method was verified by application example.The simulation calculation results of the errors show that this method possesses high accuracy.更多还原