Symmetrical and sideling redundancy configuration scheme of SINS using four gyroscopes

CHENG Jian-hua; DONG Jin-lu; CHEN Dai-dai

doi:10.13873/J.1000-9787(2015)02-0016-04

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Symmetrical and sideling redundancy configuration scheme of SINS using four gyroscopes

更新时间：2025-09-11

- Symmetrical and sideling redundancy configuration scheme of SINS using four gyroscopes
- Vol. 34, Issue 2, Pages: 16-19+27(2015)
- 作者机构：
  
  哈尔滨工程大学自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)02-0016-04
  CLC： TN966
- Published：2015
- 稿件说明：
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[1]程建华,董金鲁,陈岱岱.一种对称斜置式四陀螺惯导冗余配置方案[J].传感器与微系统,2015,34(02):16-19+27.

CHENG Jian-hua, DONG Jin-lu, CHEN Dai-dai. Symmetrical and sideling redundancy configuration scheme of SINS using four gyroscopes[J]. 2015, 34(2): 16-19+27.
[1]程建华,董金鲁,陈岱岱.一种对称斜置式四陀螺惯导冗余配置方案[J].传感器与微系统,2015,34(02):16-19+27. DOI： 10.13873/J.1000-9787(2015)02-0016-04.

CHENG Jian-hua, DONG Jin-lu, CHEN Dai-dai. Symmetrical and sideling redundancy configuration scheme of SINS using four gyroscopes[J]. 2015, 34(2): 16-19+27. DOI： 10.13873/J.1000-9787(2015)02-0016-04.

摘要

针对惯性器件冗余数量少

捷联惯导系统可靠度提升少的问题

首先分析了冗余优化准则的等价性

给出了最优冗余配置的充要条件。在基于四陀螺的正交方案、斜置方案和圆锥方案可靠度对比分析的基础上

提出一种对称斜置式方案

能进一步提高四陀螺方案的捷联惯导系统可靠度

而且该方案在陀螺出现故障时

系统精度具有很好的一致性

仿真结果表明:对称斜置式方案是陀螺数量为4个时的最优配置方案之一。该方案对于冗余数量较少的舰船惯导系统设计具有较强的借鉴意义。

Abstract

Aiming at problem that strapdown inertial navigation system（ SINS） has less reliability promotion with the condition of few redundant inertial device

analyze equivalence of redundancy optimization criteria

and give sufficient and necessary condition of the optimal redundant configuration. Based on contrastive analysis degree of reliability of orthogonal scheme

sideling scheme and cone scheme

a symmetrical and sideling configuration scheme is proposed for four-gyros configuration

this scheme can improve SINS reliability

and it has good consistency when one gyro is failed. Computer simulation results show that it is one of the optimal redundancy schemes for four-gyros configuration. The proposed scheme has a strong reference meaning for little number of shipborne SINS.

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references

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