航天制造技术
航天製造技術
항천제조기술
HANGTIAN ZHIXAO JI SHU
2014年
1期
47-52
,共6页
赵金泽%李晓星%胡浩%栾京东%周国锋
趙金澤%李曉星%鬍浩%欒京東%週國鋒
조금택%리효성%호호%란경동%주국봉
紧缩场%环境因素影响%装调基准%坐标系转化%型面精度
緊縮場%環境因素影響%裝調基準%坐標繫轉化%型麵精度
긴축장%배경인소영향%장조기준%좌표계전화%형면정도
CATR%environmental factors%assemblage and adjustment benchmark%coordinates conversion%surface accuracy
根据大型紧缩场在装调过程中可能遇到的环境影响因素,提出了通过修正装调基准来解决这一问题。为简化坐标变换,使用一种空间向量进行旋转矩阵的参数化表示,并据此提出了用公共点转化方法和型面匹配方法进行装调基准的修正。通过工程实践表明,采用型面最优匹配的方法计算坐标系的修正量精度更高,使用这种方法修正装调基准保证了装调工作的顺利进行,优化了装调工艺过程。
根據大型緊縮場在裝調過程中可能遇到的環境影響因素,提齣瞭通過脩正裝調基準來解決這一問題。為簡化坐標變換,使用一種空間嚮量進行鏇轉矩陣的參數化錶示,併據此提齣瞭用公共點轉化方法和型麵匹配方法進行裝調基準的脩正。通過工程實踐錶明,採用型麵最優匹配的方法計算坐標繫的脩正量精度更高,使用這種方法脩正裝調基準保證瞭裝調工作的順利進行,優化瞭裝調工藝過程。
근거대형긴축장재장조과정중가능우도적배경영향인소,제출료통과수정장조기준래해결저일문제。위간화좌표변환,사용일충공간향량진행선전구진적삼수화표시,병거차제출료용공공점전화방법화형면필배방법진행장조기준적수정。통과공정실천표명,채용형면최우필배적방법계산좌표계적수정량정도경고,사용저충방법수정장조기준보증료장조공작적순리진행,우화료장조공예과정。
Based on the environmental factors that would affect the alignment work, a method of revising the assemblage and adjustment benchmark was presented. In the coordinates conversion, the rotation matrix was made up of a space vector to simplify calculation, and according to this, coordinates transformation with common points and surface best-fit was presented to revise the assemblage and adjustment benchmark. Engineering practice showed that the way of surface best-fit, which optimize the alignment processing, had higher precision, and this method made sure that the work went on smoothly.