An approach to improving maneuver performance of coning algorithm  

一种提升圆锥算法机动性能的方法(英文)

作　　者：汤传业[1,2] 陈熙源[1,2] 宋锐[1,2] 

机构地区：[1]东南大学仪器科学与工程学院,南京210096 [2]东南大学微惯性仪表与先进导航技术教育部重点实验室,南京210096

出　　处：《Journal of Southeast University(English Edition)》2014年第4期439-444,共6页东南大学学报（英文版）

基　　金：The National Natural Science Foundation of China(No.51375087);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20110092110039);the Public Science and Technology Research Funds Projects of Ocean(No.201205035);the Scientific Innovation Research of College Graduates in Jiangsu Province(No.CXZZ12_0097);the Scientific Research Foundation of Graduate School of Southeast University(No.YBJJ1349)

摘　　要：Aiming to improve the maneuver performance of the strapdown inertial navigation attitude coning algorithm a new coning correction structure is constructed by adding a sample to the traditional compressed coning correction structure. According to the given definition of classical coning motion the residual coning correction error based on the new coning correction structure is derived. On the basis of the new structure the frequency Taylor series method is used for designing a coning correction structure coefficient and then a new coning algorithm is obtained.Two types of error models are defined for the coning algorithm performance evaluation under coning environments and maneuver environments respectively.Simulation results indicate that the maneuver accuracy of the new 4-sample coning algorithm is almost double that of the traditional compressed 4-sample coning algorithm. The new coning algorithm has an improved maneuver performance while maintaining coning performance compared to the traditional compressed coning algorithm.为提高捷联惯导姿态圆锥算法的机动性能,提出一种新的圆锥补偿结构,该结构通过在传统结构中增加一个子样获得.在给出经典圆锥运动定义的基础上,推导了基于新的圆锥补偿结构的圆锥补偿残余误差通式,并采用频率泰勒方法设计了新的圆锥补偿结构系数,从而获得一类新的圆锥补偿算法.定义了2种圆锥算法误差模型,分别用于圆锥环境和机动环境下的圆锥算法性能评估.仿真结果表明:新的四子样圆锥算法的机动精度比传统四子样圆锥算法的机动精度提高约1倍;与传统的压缩圆锥算法相比,新的圆锥算法在保持圆锥性能的同时具有更好的机动性能.

关 键 词：coning algorithm coning correction structure maneuver performance coning performance frequency Taylor series method coning algorithm coning correction structure maneuver performance coning performance frequency Taylor series method 

分 类 号：V241.6[航空宇航科学与技术—飞行器设计]