Zobrazeno 1 - 10 of 108 pro vyhledávání: '"Maruthi R. Akella"'
1
Spacecraft Rendezvous in Closed Keplerian Orbits Using Constant Radial Thrust Acceleration
Autor: Siddarth Kaki, Maruthi R. Akella
Publikováno v: Journal of Guidance, Control, and Dynamics. 46:1112-1125
An analytical solution for spacecraft rendezvous within closed Keplerian orbits is presented using continuous radial thrust. The two spacecraft are assumed to be initially placed within the same closed orbit with arbitrary phase angle separation. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::effa0519ba8db7f51fdef1a52cb029bb
https://doi.org/10.2514/1.g007062
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2
Real-Time Image-Based Relative Pose Estimation and Filtering for Spacecraft Applications
Autor: Siddarth Kaki, Jacob Deutsch, Kevin Black, Asher Cura-Portillo, Brandon A. Jones, Maruthi R. Akella
Publikováno v: Journal of Aerospace Information Systems. :1-19
The problem of estimating relative pose for uncooperative space objects has garnered great interest, especially within applications such as on-orbit assembly and satellite servicing. This paper presents a full end-to-end open-source pose estimation a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b921add393bc97252f38d341e9a786c3
https://doi.org/10.2514/1.i011196
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3
Angular Velocity Estimation Using Rate-Integrating Gyro Measurements
Autor: S. P. Arjun Ram, Maruthi R. Akella, Renato Zanetti
Publikováno v: Journal of Guidance, Control, and Dynamics. :1-13
Rate integrating gyroscopes (RIGs) measure integrated angular rates or angular displacement, requiring an observer or filter to provide full state feedback to the attitude controller. A nonlinear observer is presented, which estimates the angular vel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1598d44a12e5389e0de8c39a329c784b
https://doi.org/10.2514/1.g007344
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8
Composite Adaptive Attitude-Tracking Control With Parameter Convergence Under Finite Excitation
Autor: Maruthi R. Akella, Haoyang Yang, Hongyang Dong, Qinglei Hu
Publikováno v: IEEE Transactions on Control Systems Technology. 28:2657-2664
This brief presents a new class of adaptive controllers for attitude-tracking control problems of rigid bodies. The most important feature of the proposed method is that both instantaneous state data and past measurements (historical data) are introd
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1787020f9ad74ce7131cef7f628e1471
https://doi.org/10.1109/tcst.2019.2942802
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9
QuateRA: The Quaternion Regression Algorithm
Autor: Maruthi R. Akella, Marcelino M. de Almeida, Daniele Mortari, Renato Zanetti
Publikováno v: Journal of Guidance, Control, and Dynamics. 43:1600-1616
This work proposes a batch solution to the problem of estimating fixed angular velocity using orientation measurements. Provided that the angular velocity remains constant with time, it is shown th...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bf2c826b22a3d8f6706b749235b08ef
https://doi.org/10.2514/1.g004375
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10
Uniform Exponential Stability Result for the Rigid-Body Attitude Tracking Control Problem
Autor: Maruthi R. Akella, S. P. Arjun Ram
Publikováno v: Journal of Guidance, Control, and Dynamics. 43:39-45
Uniform exponential stability (UES) is proved for the rigid-body attitude control problem using a proportional-derivative (PD) controller with feedforward terms associated with the desired attitude...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::422fbbc643a735ff2d379b106308635f
https://doi.org/10.2514/1.g004481
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