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Inherent Errors In Asynchronous Digital Flight Controls

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Analysis Of Inherent Errors In Asynchronous Digital Flight Controls

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Author : Charles Slivinsky
language : en
Publisher:
Release Date : 1977

Analysis Of Inherent Errors In Asynchronous Digital Flight Controls written by Charles Slivinsky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.

Progress has been achieved in the study of inherent errors in asynchronous digital flight controls. The research involves model development, software development, and parametric analysis of representative flight control systems. (Author).

Inherent Errors In Asynchronous Digital Flight Controls

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Author : Charles Slivinsky
language : en
Publisher:
Release Date : 1978

Inherent Errors In Asynchronous Digital Flight Controls written by Charles Slivinsky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.

This report describes research on redundancy management in digital flight control systems. The emphasis is on the properties, techniques, and requirements associated with the operations of monitoring and voting and their effects on the closed loop system operation when asynchronous sampling is used. Part I is concerned primarily with the monitoring operation for quadredundant input signals. Part II presents three extensions to a previously reported model for closed loop flight control systems that have dual-redundant, asynchronous digital controllers.

Analysis Of Inherent Errors In Asynchronous Redundant Digital Flight Control System

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Author : Sudhiporn Patumtawapibal
language : en
Publisher:
Release Date : 1981

Analysis Of Inherent Errors In Asynchronous Redundant Digital Flight Control System written by Sudhiporn Patumtawapibal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

Inherent Error In Asynchronous Digital Flight Controls

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Author : Charles Slivinsky
language : en
Publisher:
Release Date : 1980

Inherent Error In Asynchronous Digital Flight Controls written by Charles Slivinsky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Contents: State Equations, Covariance, and Example for Basic Model; State Equations, Covariance, and Example for New Model; Algorithm for Estimator Tau*; The Operation of the New Model; Comparison Between Basic Model and New Model; and Summary and Recommendations.

Analysis Of Inherent Errors In Asynchronous Redundant Digital Flight Control Systems

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Author : Vincent J. Darcy
language : en
Publisher:
Release Date : 1976

Analysis Of Inherent Errors In Asynchronous Redundant Digital Flight Control Systems written by Vincent J. Darcy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.

The concept of skewed sampling is developed and a single-rate, closed-loop state variable model for realistic aircraft control loops is developed. Using this model, a covariance analysis of the channel differences is given. This statistical treatment is based on filtered white noise external inputs, but it is shown how such inputs can be used to generate signals which approximate the true system external inputs. The model and the analysis are general and applicable to a variety of systems. A user-oriented software package, using FORTRAN, is developed to facilitate the required computations and to allow parametric studies of the effect on inherent errors of control system gains, time constants, sample time and other parameters. The analysis is applied to several examples, including time and other parameters. The analysis is applied to several examples, including a study of inherent errors in an asynchronous dual-redundant digital version of the A-7D pitch-axis control augmentation system.

Asynchronous Comparison Monitoring Of Digital Flight Control Systems

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Author : Dayl W. Donahey
language : en
Publisher:
Release Date : 1975

Asynchronous Comparison Monitoring Of Digital Flight Control Systems written by Dayl W. Donahey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.

A method of formulating a state-space model for the analysis of redundant-channel digital flight control systems (DFCS) is described. This mathematical representation is used to determine the effects of asynchronous digital processor operations on a system such as the DFCS for the Digital Avionics Information System (DAIS) which employs comparison monitoring and voting techniques. The report briefly discussed the evolution of digital flight control systems and the motivation for DFCS comparison monitoring. A procedure is presented for performing a covariance analysis to determine the steady-state values of inherent errors.