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<p>Page créée avec « == Introduction == This section describes attitude features of Patrius: attitude laws, slew, guidance, etc. == Applicable and Reference Documents == === Applicable Docum... »</p> <p><b>Nouvelle page</b></p><div><br /> == Introduction ==<br /> This section describes attitude features of Patrius: attitude laws, slew, guidance, etc.<br /> <br /> == Applicable and Reference Documents ==<br /> === Applicable Documents ===<br /> <br /> &#039;&#039;&#039;[A1]&#039;&#039;&#039; &#039;&#039;CDCF - Fonctions de Base du Patrimoine de Dynamique du Vol&#039;&#039;, V1.2, SIRIUS-CF-DV-0049-CN, 2011.&lt;br&gt;<br /> &#039;&#039;&#039;[A2]&#039;&#039;&#039; &#039;&#039;Dossier de réutilisation Orekit et Commons Math&#039;&#039;, V1.0, SIRIUS-DLR-DV-0080-CN, 2010.<br /> <br /> === Reference Documents ===<br /> <br /> None applicable.<br /> <br /> == Overview ==<br /> The Attitude package of the PATRIUS library has been developed according to the SIRIUS Scope Statement &#039;&#039;&#039;[A1]&#039;&#039;&#039;. The themes developed are described hereafter :<br /> <br /> ; Directions<br /> : Implementation of directions of space that can evolve in time.<br /> <br /> ; Attitude laws<br /> : Several attitude laws are available. These laws were originally designed for orbit determination needs: in order to broaden their applications, a wrapper object has been created to meet the spacecraft attitude field needs.<br /> <br /> ; Attitudes sequence<br /> : Implementation of an attitudes sequence for orbit determination: it is possible to define an attitude law as a series of attitude laws in the context of a propagation.<br /> <br /> ; Attitude legs sequence<br /> : Implementation for spacecraft attitude field of an attitude sequence: it is possible to define an attitude leg as a series of attitude legs.<br /> <br /> ; Attitude composition<br /> : Implementation of an object that enables to define an attitude law as a composition of several laws.<br /> <br /> ; Orientation<br /> : Orientations are similar to attitude providers except that it returns only one angle.<br /> <br /> ; Slew<br /> : Implementation of slew. Slews are used in the attitudes sequence to define the transition between two laws. Slews are splits into two functions: slew computations through dedicated classes and slew realization.<br /> <br /> ; Kinematics<br /> : Implementation of a tool box for kinematics calculations.<br /> <br /> ; Guidance command<br /> : Implementation of the ground and the on-board guidance commands. The first one is computed, the second one is simulated. In both cases, it should be possible to compute the guidance command from a law and to consider the guidance command itself as a law.<br /> <br /> [[Category:User_Manual_4.12]]</div>

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