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Document Type : Latin Dissertation
Language of Document : English
Record Number : 151589
Doc. No : ET23381
Main Entry : F-AROOC [BRAHIM
Title Proper : DGPS AIDED 13s L.4ND VEHICLE ,V.A\'IG,ATION SYSTEMS
Note : This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract : The need of a Global Positioninghertial Navigation (GPSmVS) augmentationsystem stems from the shortcomings of each individual technology. The primarylimitation of GPS is its requirement for line-of-sight visibility of GPS satellites. On theother hand, the stand-alone INS position errors are unbounded. The motivation forGPSmS integration is to develop a navigation system that overcomes the shortcomingsof each system.The goal of this research is to develop a method for integrating a speed-basedinertial Navigation System and a Differential Global Positioning System (DGPS) for landvehicle navigation that overcomes the KF method disadvantage by being more stable.having less computation load, having better immunity to noise effects, and being morerobust to false statistics. This method of integration relies on the use of an artificial linearneuron. The neuron adaptively estimates the scale factor and the bias INS error sourcevalues during the availabiiity of the DGPS, and then uses these estimated values to aid theINS during DGPS outages or unsuitable DGPS solutions. The linear neurons send theseerror source estimations with the corresponding statistics to correct the INS positionsolution. A statistical propagator propagates these statistics to the next DGPS epoch andreflects them onto the INS position solution. Then a statistical combiner optimallycombines the DGPS and the INS position solution. The overall INSIDGPS accuracy is.....-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject : Electericl tess
: برق
electronic file name : TL46620.pdf
Title and statement of responsibility and : DGPS AIDED 13s L.4ND VEHICLE ,V.A\'IG,ATION SYSTEMS [Thesis]
 
 
 
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