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ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (227 download)
Download or read book Inertial Navigation System Standardized Software Development. Addendum written by and published by . This book was released on 1976 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: For complete abstract, see volume I, ADA062802.
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ISBN 13 :
Total Pages : 1048 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (227 download)
Download or read book Inertial Navigation System Standardized Software Development. Volume IV. Program Listings written by and published by . This book was released on 1976 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Section 1 of Volume 4 contains the listings of the variable precision form of the numerical simulator program, VUMSIM. In this version all the 'flight code' (i.e., simulated navigation computer operations) is performed in a user- specified floating point format, providing the capability of simulating a reduced computer word length. Appropriate library subroutines, for the specified word length, are automatically incorporated (for sine-cosine, square root, and arc tangent). The special routines called are those with names starting with the letter V. The remaining 'flight code' is modified to call the variable precision routines. The 'ideal' IMU simulator portion of the program is unchanged from NUMSIM. Section 2 contains the listings of the numerical simulator proper, NUMSIM, as described in Volume 3, without the variable precision option. Both NUMSIM and VUMSIM accept instantaneous values of specific force in the local vertical wander azimuth frame from PROFGEN at the trajectory sample rate and output the integrals of specific force in the simulated IMU frame to the 'flight code' at the appropriate attitude of navigation rate. Subsequent modifications to NUMSIM/VUMSIM, to accept integrals of specific force in the appropriate IMU frame directly from PROFGEN are described in the addendum.
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)
Download or read book Inertial Navigation System Standardized Software Development. Volume 2 of 4 - INS Survey and Analytical Development written by and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Section 1 of this volume provides a summary of the navigation computations for seven aircraft inertial navigation systems (INS): four of the INS are local ve tical systems (north slaved, wander azimuth and free azimuth); one INS is space stable; and the remaining two are strapdown. Section 2 presents the detailed navigation and attitude equations, applicable to any of the aforementioned INS, using both local vertical wander azimuth (LVWA) and space stable computational frames. The LVWA frame is selected for the development of "standard" navigation algorithms using a standardized notation and symbology. The "baseline" algorithm is similar to that used in several existing moderate accuracy, local vertical, aircraft INS. The "upgraded" algorithm contains several minor modifications to the "baseline algorithm which improve the computational accuracy of the latter. The modifications are derived in the appendices. Transformations required to use the "standard" algorithms with space stable or strapdown systems are also presentec in this section. Section 3 summarizes the INS computations presented in the previous section. Section 4 provides a survey of the use of INS computations by other avionics subsystems, with particular reference to the parameters, formats, data rates, and accuracy requirements. Section 5 presents the tradeoffs leading to the selection of the LVWA computational frame for the "standard" algorithm. Section 6 (and Appendix A) present the standardized symbology and frame definition employed in the "standard" algorithms and simulator development.
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ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (467 download)
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ISBN 13 :
Total Pages : 237 pages
Book Rating : 4.:/5 (227 download)
Download or read book Inertial Navigation System Standardized Software Development. Volume III. Program Description and User's Guide written by and published by . This book was released on 1976 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: Section 1 of Volume III provides an overview of the purpose, structure, capabilities, and operation of the Numerical Simulator Program (NUMSIM) as of 30 April 1976. Section 2 contains the detailed description of NUMSIM. First, the symbology, conventions, and variables are defined. Then the individual routines are described under the headings of: function and equations; input, output, and internal variables; and finally the flow chart of the routine. This section is the only place where the description of the manipulations of the profile generator (PROFGEN) inputs to the form required by the particular ideal inertial measuring unit (IMU) outputs is provided. Section 3 describes the operation of NUMSIM in greater detail, under the headings of: operator inputs; simulator outputs; and operational aids. The use of PROFGEN in conjunction with NUMSIM is also described. The appendices contain sample input and output data, file structure and control cards. It is intended that this volume be studied together with program listings in Volume IV.
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ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (227 download)
Download or read book Inertial Navigation System Standardized Software Development. Volume 1. Introduction and Summary written by and published by . This book was released on 1976 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A navigation software simulation program was developed, checked and verified as a part of an investigation into the feasibility of standardization of software for aircraft Inertial Navigation Systems (INS). The program can be used to simulate the unaided INS navigation errors resulting from a partiular mechanization of the navigation equations on a given digital computer. Technical data required for the Simulator Program design was obtained from survey of typical INS navigation software. The survey results revealed commonality in navigation computations employed in various INS, configurations, the gravity models approximations used in the computations, the commonality in the frames and the transformations symbology employed in the computations and the software interface between the INS computations and the Avionics-System computations. The navigation software simulation program is coded in Fortran IV for use on either IBM-360 or CDC-6600 computers. (Author).
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ISBN 13 :
Total Pages : 488 pages
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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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ISBN 13 :
Total Pages : 906 pages
Book Rating : 4.3/5 (129 download)
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Total Pages : 1092 pages
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Author : United States. Naval Air Systems Command
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ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (31 download)
Download or read book Technical Information Indexes written by United States. Naval Air Systems Command and published by . This book was released on 1975 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1996 pages
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Author : International Maritime Organization
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ISBN 13 :
Total Pages : 104 pages
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Total Pages : 332 pages
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Total Pages : 1600 pages
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Total Pages : 712 pages
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Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
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ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
