Characterising Angular Accelerometer Calibration Setup Disturbance Using Box–Jenkins Method

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Abstract

Angular acceleration feedback is a powerful concept when designing a model-free, state-of-the-art Fault-Tolerant Flight Control (FTFC) system. Such feedback is currently being obtained by differentiating the rate gyro signals [1], which amplifies the noise component and introduces delay [2]. Considering feedback is a valuable tool to adjust the performance and to ultimately meet the desired result, the feedback signal accuracy will determine the system’s successful control actions. To incorporate the angular acceleration feedback in the FTFC system design, analysis and simulation, a proper angular accelerometer model is of substantial concern. Creating a controller based on an incorrect angular accelerometer, for example, could result in the control not meeting the desired control variables. Therefore, establishing a proper angular accelerometer system identification method is crucial to achieving the correct model. The frequency response data generates the current angular accelerometer model in a transfer function form [3]. Frequency domain data provides the required accuracy to calculate the Frequency Response Function (FRF) in this approach. Specifying the sensor bandwidth as well as recognising the system’s phase are the additional advantages of this method. The Auto-Regressive with exogenous terms (ARX) model is employed as the first stage estimation due to its efficiency in estimating the polynomial because it is the result of solving linear regression equations in analytic form. Moreover, the result is distinctive; it always fulfils the global minimum of the loss function. The ARX model, therefore, is favoured, especially when the model order is high.
Original languageEnglish
Title of host publicationAdvances in Aerospace Guidance, Navigation and Control
Subtitle of host publicationSelected Papers of the Fourth CEAS Specialist Confer- ence on Guidance, Navigation and Control Held in Warsaw, Poland, April 2017
EditorsB. Dołega, R. Głebocki, D. Kordos, M. Z ̇ugaj
PublisherSpringer
Pages279–294
Edition1
ISBN (Electronic)978-3- 319-65283-2
ISBN (Print)978-3-319-65282-5
Publication statusPublished - 2018
Event4th CEAS Specialist Conference on Guidance, Navigation and Control - Warsaw, Poland
Duration: 25 Apr 201727 Apr 2017
Conference number: 4
http://eurognc.prz.edu.pl/

Conference

Conference4th CEAS Specialist Conference on Guidance, Navigation and Control
Abbreviated titleEuro GNC 2017
Country/TerritoryPoland
CityWarsaw
Period25/04/1727/04/17
Internet address

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