动力调谐陀螺锁定回路解耦控制一体化设计  

Integrated Design of Decoupling and Control for Dynamically Tuned Gyroscope Lock Loop

作　　者：李醒飞[1] 杨光[1] 赵建远[1] 王佳[1] 

机构地区：[1]精密测试技术及仪器国家重点实验室(天津大学),天津300072

出　　处：《纳米技术与精密工程》2012年第5期439-444,共6页Nanotechnology and Precision Engineering

基　　金：精密测试技术及仪器国家重点实验室开放基金资助项目(pil1006);国家自然科学基金资助项目(60972129)

摘　　要：针对动力调谐陀螺(DTG)模型锁定回路设计中陀螺真实模型与理论模型差异带来的问题,提出基于陀螺辨识模型的解耦、控制一体化控制器设计方案.首先,构建动力调谐陀螺模型辨识系统,获取动力调谐陀螺自回归(ARX)模型参数,为控制器设计提供设计依据.然后,按照系统指标要求在单独通道设计(ICD)框架下分析动力调谐陀螺参数模型的耦合特征并设计对角控制器,将解耦设计纳入到回路控制器设计当中.最后,针对某型号动力调谐陀螺进行实验验证,实验结果表明:设计得到的锁定回路阶跃响应上升时间小于50 ms,超调量小于5%,回路之间耦合量小于5%.依据动力调谐陀螺辨识模型设计对角控制器可以保证动力调谐陀螺锁定回路性能达到指标要求,为进一步深入探索先进控制技术在动力调谐陀螺锁定回路中的应用奠定基础.To solve the lock loop design problems caused by the difference between real and theoretical models of dynamically tuned gyroscope（DTG）, solutions were proposed through the integration of dec- oupling and loop control based on the identification model of gyroscope. Firstly, the auto regressive ex- ogenous （ARX） model parameter of DTG, which provides the design basis for controller design was obtained based on the establishment of DTG model identification system. Then, diagonal controller was designed and coupling was eliminated after the analysis of the coupling characteristics of the DTG pa- rameter model under the framework of individual channel design（ICD）. Finally, a validation experiment was carried out on a certain type of DTG, and the experimental results show that the rise time of the designed lock loop is shorter than 50 ms, the overshoot is lower than 5%, and the coupling between loops is lower than 5%. Based on the DTG identification model, the designed diagonal controller can guarantee the performance requirement of DTG lock loop, laying a basis for the further exploration of advanced control technology used in DTG lock loop design application.

关 键 词：系统辨识 解耦 单独通道设计 自回归模型 对角控制器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]