2015惯性导航大作业概述.docx

My?Chinese?Name My?Class?No. 1204103My?Student?No.  Assignment?of Principles?of?Navigation 《导航原理》作业 （惯性导航部分?2015?秋）  The?report?is?to?contain: 1.?Description?of?the?tasks?–?contents?of?the?next?page. 2.?The?code?of?your?programs,?and?their?explanation. 3.?The?results?of?your?computation?or?simulation. 4.?Your?analysis?of?the?result,?and?your?reflection?on?the?programming?or?simulation 5.?Originality?statements?or?reference/assistance?acknowledgements. English?is?expected?in?writing,?though?Chinese?is?also?accepted. AXAYAZ-2552292-2552292-2552292-2552292-3037594-3522896-4008198-4493501-4978803-4978803GXGYGZ-1872-3611-1945-720-1-2014-10800-2087-14390-2160-17990-2234-21601-2303-25201-2375-28781-2450-32390-2522-35992 Task?description A?missile?equipped?with?SINS?is?initially?at?the?position?of?46o?NL?and?123o?EL,?stationary?on?a?launch?pad. Three?gyros,?GX,?GY,?GZ,?and?three?accelerometers,?AX,?AY,?AZ,?are?installed?along?the?axes?Xb,?Yb,?Zb?of?its body?frame?respectively.  Case?1:?stationary?test The?body?frame?of?the?missile?initially?coincides?with?the geographical?frame,?as?shown?in?the?figure,?with?its?pitch- Up?Zb ing?axis?Xb?pointing?to?the?east,?rolling?axis?Yb?to?the?north, and?azimuth?axis?Zb?upward.?Then?the?body?of?the?missile is?made?to?rotate?in?3?steps: (1)?-22o?around?Xb North Yb (2)?78o?around?Yb X?b East (3)?–16??around?Zb o After?that,?the?body?of?the?missile?stops?rotating.?You?are?required?to?compute?the?final?outputs?of?the?three accelerometers?on?the?missile,?using?quaternion?and?ignoring?the?device?errors.?It?is?known?that?the?magni- tude?of?gravity?acceleration?is?g?=?9.8m/s2. Case?2:?flight?test Initially,?the?missile?is?stationary?on?the?launch?pad,?400