STATE-VARIABLE APPROACH TO THE ERROR-ANALYSIS OF LOCAL-LEVEL INERTIAL GUIDANCE SYSTEM

Abstract

The 1apoxtsne of gMsnce .rtLst 914440100 slid in psrtiutsr ioce1W4 thartid gutdenei systø in the presstt *osce and navtgatSon4 systøs s sill knows sithad e i4 s. Ifl i4 of the 44 o V# pt 04t n of iocaWeeL iftet1 guidance system arid the cri4 now fo nirnLz1Mg the 'sptern awls a ft errors the aig ificaneeof the stiMy of the *n4ss te s4fdt hovsi receiv im 1*poxtance in the pew* age of . tØOIOgy frr re sccxate and rel1L.e perfozDaflCe of the seapons and saee n A large Aft of ec q * have b coming up iz the lIterature, but the Øtataø vs 1e Asch has o bean appliedthe ir snelysis. of srtl4 gutdanø lystaL This dissertatton is putty concerned with similar pzbinvolving the oriv tto* of the er pzepagstion aqtattons; starting ftom the d $ c + 'ins for t .ø locat4ev# Inirtisl gainer ate+ Th* urn discrlbthg scc+ a t+ i; vstee.tty erte and the ►drift rate u*p.cttv.ly have bow bxoht in the 620 of lines fid order dUfir*utisl equation, repr.sntsd by k a JKt)X 1W *s• x d4€r2ba tha vatoctty amt. position error *ftd the plstfoa tiLt; The Mpha*rvactoi C)1\ consists of the *mt# In *4O01ertifi9 Owlty, stiss gyscopic *mt and ts omr to the $jtitar xes4n. A sitat1o4 disgrwa fot the *nor i*. of the guidance *Atom has as*• boon gran ch appears to be toeft and may also provide bask for the *p;kloatlaft of .oti4uUcn afld tkiation teiquo. .oyed b? *In1a*zing the effect of various errors Md obtstning the to of the statas for the 5P*C* veUd.0.