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Author : Jong-Rae Kim
Release : 2002
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Book Synopsis Model-Error Control Synthesis by : Jong-Rae Kim
Download or read book Model-Error Control Synthesis written by Jong-Rae Kim. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Randy Chugh
Release : 2003
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Book Synopsis Model-error Control Synthesis for Spacecraft Attitude Maneuvers by : Randy Chugh
Download or read book Model-error Control Synthesis for Spacecraft Attitude Maneuvers written by Randy Chugh. This book was released on 2003. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jemin George
Release : 2007
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Book Synopsis A Kalman Filter Approach to Model-error Control Synthesis by : Jemin George
Download or read book A Kalman Filter Approach to Model-error Control Synthesis written by Jemin George. This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt: This thesis introduces two new techniques by which the model-error control synthesis approach can be implemented on a nonlinear system. The first method utilizes two separate extended Kalman filters. Among the two filters, one is strictly used for noise filtration/state estimation and the other is used for model error prediction. The second scheme exploits a single extended Kalman filter for the simultaneous estimation of the system states and the model error. The simulation results indicate that the new model-error control synthesis approaches are extremely effective in providing closed-loop robustness in the presence of noisy measurement signal. Finally, a sensitivity of the controlled closed-loop system stability with respect to the process noise covariance is presented.
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Release : 2005
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Book Synopsis Control of Relative Attitude Dynamics of a Formation Flight Using Model-error Control Synthesis by :
Download or read book Control of Relative Attitude Dynamics of a Formation Flight Using Model-error Control Synthesis written by . This book was released on 2005. Available in PDF, EPUB and Kindle. Book excerpt: A robust approach to control, called Model Error Control Synthesis (MECS), is applied to the relative attitude between a formation-flight of spacecraft. This technique combines a nominal controller with a model error estimator, where the model error estimate is used to cancel the effects of disturbance inputs and model errors. Two separate controllers are tested and compared. The model error estimate is determined using a Predictive filter. State estimation is performed by a modified extended Kalman filter. MECS is shown to be effective in canceling the effects of parametric model errors and external disturbances. The type of nominal controller has no effect on the ability of MECS to function. Accurate tracking of the desired trajectories and final attitude is achieved in each case. One negative aspect observed is that MECS tends to amplify acceleration level effects such as measurement noise.
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Release : 1895
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Book Synopsis Règlement de la section des machines et instruments destinés à l'agriculture et à l'industrie laitière by :
Download or read book Règlement de la section des machines et instruments destinés à l'agriculture et à l'industrie laitière written by . This book was released on 1895. Available in PDF, EPUB and Kindle. Book excerpt:
