红外与激光工程
紅外與激光工程
홍외여격광공정
INFRARED AND LASER ENGINEERING
2013年
8期
2085-2091
,共7页
粘伟%刘兆军%林喆%吴春楠
粘偉%劉兆軍%林喆%吳春楠
점위%류조군%림철%오춘남
扫描控制%极点配置%星载干涉仪%光程差
掃描控製%極點配置%星載榦涉儀%光程差
소묘공제%겁점배치%성재간섭의%광정차
scanning control%pole assignment%spaceborne interferometer%optical path difference
为实现高信噪比、高光谱分辨率的光谱探测性能,在时间调制型傅里叶变换光谱仪中,需要控制反射镜往复精密摆动,完成干涉光程差的均匀扫描调制。首先分析了光谱探测性能对光程扫描控制性能要求间的关系;在此基础上,针对星载干涉仪对光程差扫描的高性能要求,给出了一种基于极点匹配的控制器设计方法。该方法借助于状态反馈设计结果,采用易于工程应用的前项和前馈环节加以有效实现,简化了控制器的设计与实现难度。通过仿真试验,验证了该方法的有效性。
為實現高信譟比、高光譜分辨率的光譜探測性能,在時間調製型傅裏葉變換光譜儀中,需要控製反射鏡往複精密襬動,完成榦涉光程差的均勻掃描調製。首先分析瞭光譜探測性能對光程掃描控製性能要求間的關繫;在此基礎上,針對星載榦涉儀對光程差掃描的高性能要求,給齣瞭一種基于極點匹配的控製器設計方法。該方法藉助于狀態反饋設計結果,採用易于工程應用的前項和前饋環節加以有效實現,簡化瞭控製器的設計與實現難度。通過倣真試驗,驗證瞭該方法的有效性。
위실현고신조비、고광보분변솔적광보탐측성능,재시간조제형부리협변환광보의중,수요공제반사경왕복정밀파동,완성간섭광정차적균균소묘조제。수선분석료광보탐측성능대광정소묘공제성능요구간적관계;재차기출상,침대성재간섭의대광정차소묘적고성능요구,급출료일충기우겁점필배적공제기설계방법。해방법차조우상태반궤설계결과,채용역우공정응용적전항화전궤배절가이유효실현,간화료공제기적설계여실현난도。통과방진시험,험증료해방법적유효성。
To achieve a high signal-to-noise ratio, high spectral resolution spectroscopy detection performance, it needs to control the mirror reciprocating precision swing to complete uniformity scan modulation of the interference optical path difference in time modulation type Fourier transform spectrometer. Firstly, the relationship between the spectral detection performance and the scanning control performance requirements was analyzed. On this basis, according to the high performance requirements, a controller design method based on the pole assignment was proposed. Referencing the state feedback design results, the forward and the feed-forward link was used to realize effectively. The controller design and the difficulty of the realization was simplified. The simulation results show that the proposed method is effective.