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目的 研究将载荷识别技术应用于火箭发动机推力偏心测试,用载荷识别方法提高推力偏心测试精度方法 推导火箭发动机推力载荷识别的基本关系式,对推力偏心测试装置进行动态特性测试,获取其动态传递函数矩阵,用推力偏心测试得到的响应数据反求火箭发动机推力载荷结果 获得了某火箭发动机的推力偏心距和推力偏心角数据结论 载荷识别技术应用于火箭发动机推力偏心测试,方法简单,数据处理可靠
Aim To study the application of load identification technology to rocket engine thrust eccentricity test, and to find out the basic relationship of rocket motor thrust load identification by using load identification method to improve the thrust eccentricity test accuracy. The dynamic characteristics of the thrust eccentricity test device was tested and its dynamic transfer function Matrix, the response data obtained by the thrust eccentric test were used to obtain the thrust eccentricity and thrust eccentricity of a rocket engine. Data Conclusions Load identification technology is applied to the rocket engine thrust eccentricity test. The method is simple and the data processing is reliable