scholarly journals Design and Analysis of Avionic Structures For Aircraft Applications

2020 ◽  
Vol 6 (5) ◽  
pp. 78-83
Author(s):  
P H J Venkatesh ◽  
M S R Viswanath
Keyword(s):  
Experimental Analysis ◽  
Navigation System ◽  
System Performance ◽  
Random Vibration ◽  
Inertial Navigation System ◽  
Mechanical Support ◽  
Static And Dynamic Analysis ◽  
Solid Works ◽  
High Dynamics ◽  
Gps System

The Avionic enclosure is a electronic packed setup which are used in aircrafts and spacecrafts. Avionic enclosure is used for mechanical support to all the system elements and this is mechanically interfaced with the aircrafts. The avionic enclosures is a key role for the system performance. The avionic package has to be designed to withstand high dynamics. FINGS(FIBRE OPTIC GYRO BASED INERTIAL NAVIGATION SYSTEM) is a unit of aircraft for finding the navigation. In this paper the FINGS + GPS SYSTEM (FINGS) unit designed using SOLID WORKS and The Modal Analysis on these parts was carried out using ABAQUS FEA software and a random vibration experimental analysis is tested under both static and dynamic analysis. The obtained results are compared other for the design optimization of FINGS package.

scholarly journals Multi-Instance Inertial Navigation System for Radar Terrain Imaging

2020 ◽  
Vol 12 (21) ◽  
pp. 3639
Author(s):  
Michal Labowski ◽  
Piotr Kaniewski
Keyword(s):  
Navigation System ◽  
Inertial Navigation System ◽  
Inertial Navigation ◽  
Navigation Systems ◽  
Time Duration ◽  
Navigation Data ◽  
Positioning Errors ◽  
Measurement Session ◽  
Single Aperture ◽  
Gps System

Navigation systems used for the motion correction (MOCO) of radar terrain images have several limitations, including the maximum duration of the measurement session, the time duration of the synthetic aperture, and only focusing on minimizing long-term positioning errors of the radar host. To overcome these limitations, a novel, multi-instance inertial navigation system (MINS) has been proposed by the authors. In this approach, the classic inertial navigation system (INS), which works from the beginning to the end of the measurement session, was replaced by short INS instances. The initialization of each INS instance is performed using an INS/GPS system and is triggered by exceeding the positioning error of the currently operating instance. According to this procedure, both INS instances operate simultaneously. The parallel work of the instances is performed until the image line can be calculated using navigation data originating only from the new instance. The described mechanism aims to perform instance switching in a manner that does not disturb the initial phases of echo signals processed in a single aperture. The obtained results indicate that the proposed method improves the imaging quality compared to the methods using the classic INS or the INS/GPS system.

GPS/INS Enhancement for Land Navigation using Neural Network

2004 ◽  
Vol 57 (2) ◽  
pp. 297-310 ◽  
Author(s):  
Burak H. Kaygisiz ◽  
Ismet Erkmen ◽  
Aydan M. Erkmen
Keyword(s):  
Neural Network ◽  
Artificial Neural Network ◽  
Navigation System ◽  
System Performance ◽  
Inertial Navigation System ◽  
Dynamic Environment ◽  
Closed Path ◽  
Signal Loss ◽  
Global Positioning ◽  
Artificial Neural Network Ann

We propose in this paper a method to enhance the performance of a coupled global positioning/inertial navigation system (GPS/INS) for land navigation applications during GPS signal loss. Our method is based on the use of an artificial neural network (ANN) to intelligently aid the GPS/INS coupled navigation system in the absence of GPS signals. The proposed enhanced GPS/INS is tested in the dynamic environment of a land vehicle navigating around a closed path on the METU campus and we provide the results. Our GPS/INS+ANN system performance is thus demonstrated with a land trial.

Inertial Navigation System Testing 1967

1967 ◽  
Vol 20 (4) ◽  
pp. 432-449
Author(s):  
J. Z. Amacker
Keyword(s):  
Data Reduction ◽  
Navigation System ◽  
System Performance ◽  
Inertial Navigation System ◽  
Inertial Navigation ◽  
Test Method ◽  
Test Facility ◽  
Time Signal ◽  
System Testing ◽  
Technical Problems

The Central Inertial Guidance Test Facility (C.I.G.T.F.) at Holloman Air Force base, New Mexico, has the responsibility for testing all aircraft inertial navigational systems, aided and unaided, for Department of Defence applications. From 1963 to the present, ten systems have been evaluated. The experience derived from past test programmes has always been valuable to the C.I.G.T.F. engineers in the design of increasingly sophisticated programmes.This paper retraces some of the experience of the C.I.G.T.F. in its inertial navigation system testing. Test philosophy, objectives and approach are discussed briefly. Flightpath design, radar coverage, range instrumentation, aircraft instrumentation, data reduction and analysis of system performance are then considered. In addition, some mention is made of the test programmes presently being designed, and the technical problems of INS evaluation that the C.I.G.T.F. is now attempting to resolve. Because of the breadth of subject material, ideas are presented mostly at the concept level. Technical details are contained in the references.The C.I.G.T.F. test method is to fly the test specimen within the coverage of the FPS-16 radars or other instrumentation of the White Sands missile range. An airborne tape recorder records where the system ‘thinks’ it is, along with a range reference time signal (irig-b). Likewise, the FPS-16 radar site records where the radar ‘knows’ the aircraft is, referenced to the same time base. Post-flight data reduction compares the outputs of system and reference at each sample/time, and forms an error plot of the differences in position in each channel. This is the basic error data used to describe system performance.

A SQUID Magnetometer-Based Readout System for an Inertial Navigation System

2020 ◽  
Vol 75 (4) ◽  
pp. 336-341
Author(s):  
A. V. Rzhevskiy ◽  
O. V. Snigirev ◽  
Yu. V. Maslennikov ◽  
V. Yu. Slobodchikov
Keyword(s):  
Navigation System ◽  
Inertial Navigation System ◽  
Inertial Navigation ◽  
Squid Magnetometer ◽  
Readout System
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