Zobrazeno 1 - 10
of 271
pro vyhledávání: '"Hajiyev Chingiz"'
Publikováno v:
Measurement Science Review, Vol 20, Iss 1, Pp 35-42 (2020)
In this study, an estimation algorithm based on a two-stage Kalman filter (TSKF) was developed for wind speed and Unmanned Aerial Vehicle (UAV) motion parameters. In the first stage, the wind speed estimation algorithm is used with the help of the Gl
Externí odkaz:
https://doaj.org/article/423ddb074c3148989826669447174b9b
Publikováno v:
Metrology and Measurement Systems, Vol 24, Iss 2, Pp 313-324 (2017)
Single-frame methods of determining the attitude of a nanosatellite are compared in this study. The methods selected for comparison are: Single Value Decomposition (SVD), q method, Quaternion ESTimator (QUEST), Fast Optimal Attitude Matrix (FOAM) −
Externí odkaz:
https://doaj.org/article/dae903caf9844dcc90f0d2e022bf0dd9
Publikováno v:
Metrology and Measurement Systems, Vol 24, Iss 1, Pp 113-125 (2017)
The integrated Singular Value Decomposition (SVD) and Unscented Kalman Filter (UKF) method can recursively estimate the attitude and attitude rates of a nanosatellite. At first, Wahba’s loss function is minimized using the SVD and the optimal attit
Externí odkaz:
https://doaj.org/article/97f6ace2db26488b98c31adfe5c2d4b0
Autor:
Hajiyev Chingiz
Publikováno v:
Metrology and Measurement Systems, Vol 23, Iss 3, Pp 413-424 (2016)
In this study, a procedure for optimal selection of measurement points using the D-optimality criterion to find the best calibration curves of measurement sensors is proposed. The coefficients of calibration curve are evaluated by applying the classi
Externí odkaz:
https://doaj.org/article/0c0608332d7e42fd8645718976f7c0b9
Autor:
Cilden Guler Demet, Hajiyev Chingiz
Publikováno v:
International Journal of Metrology and Quality Engineering, Vol 8, p 15 (2017)
Satellite's attitude can be determined by using several different ways. In order to use a recursive filter to determine the attitude especially after crucial intervals for the satellite including detumbling, eclipse, etc., single-frame methods can be
Externí odkaz:
https://doaj.org/article/9e0b7fc56ca042de80ae11bf624ac3e4
Autor:
Hajiyev Chingiz
Publikováno v:
International Journal of Metrology and Quality Engineering, Vol 7, Iss 1, p 104 (2016)
Magnetometers are widely used for LEO small satellites attitude determination and control system. In order to estimate satellite dynamics and control attitude accurately, scale factor and bias of magnetometer must be estimated. In this study a line
Externí odkaz:
https://doaj.org/article/21bfe626c9304893998735c80a01b6b6
Publikováno v:
In Advances in Space Research 1 October 2023 72(7):2733-2740
Autor:
Hajiyev, Chingiz
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2022, Vol. 95, Issue 3, pp. 464-473.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-05-2022-0130