mirror of
https://github.com/nasa/trick.git
synced 2024-12-21 22:17:51 +00:00
14a75508a3
Changed all header file once include variables to follow the same naming convention and not start with any underscores. Also deleted old incorrect copyright notices. Also removed $Id: tags from all files. Fixes #14. Fixes #22.
84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/********************************* TRICK HEADER *******************************
|
|
PURPOSE:
|
|
(Simple taget body tagetting information.)
|
|
REFERENCES:
|
|
((None))
|
|
ASSUMPTIONS AND LIMITATIONS:
|
|
((Purely Keplerian dynamics.))
|
|
PROGRAMMERS:
|
|
(((Edwin Z. Crues) (NASA) (Nov 2009) (--) (Initial version.)))
|
|
*******************************************************************************/
|
|
|
|
#ifndef TARGET_BODY_H
|
|
#define TARGET_BODY_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
|
|
/* Target Body initialization parameters. */
|
|
typedef struct { /* TargetBodyPlanet ------------------------------------ */
|
|
|
|
double mu; /* (m3/s2) Planetary gravitational constant. */
|
|
|
|
} TargetBodyPlanet; /* -------------------------------------------------- */
|
|
|
|
|
|
/* Target Body initialization parameters. */
|
|
typedef struct { /* TargetBodyInit -------------------------------------- */
|
|
|
|
double position[3]; /* (m) Position vector of the target body. */
|
|
double velocity[3]; /* (m/s) Velocity vector of the target body. */
|
|
|
|
} TargetBodyInit; /* ---------------------------------------------------- */
|
|
|
|
|
|
/* Target Body state parameters. */
|
|
typedef struct { /* TargetBodyState -------------------------------------- */
|
|
|
|
double position[3]; /* (m) Position vector of the target body. */
|
|
double velocity[3]; /* (m/s) Velocity vector of the target body. */
|
|
double acceleration[3]; /* (m/s2) Acceleration vector of the target body. */
|
|
|
|
} TargetBodyState; /* ---------------------------------------------------- */
|
|
|
|
|
|
/* Target Body itereation parameters. */
|
|
typedef struct { /* TargetBodyIteration --------------------------------- */
|
|
|
|
int iter_max; /* cnt Maximum number of iterations allowed. */
|
|
int iter_cnt; /* cnt Iteration count. */
|
|
double tolerance; /* (m) Tolerance for iteration converence. */
|
|
|
|
double v_init[3]; /* (m/s) Initial velocity for this iteration. */
|
|
|
|
double delta_r[3]; /* (m) Vector distance from the target location. */
|
|
double delta_r_mag; /* (m) Total distance from the target location. */
|
|
double delta_v[3]; /* (m/s) Change in initial velocity for targeting. */
|
|
|
|
} TargetBodyIteration; /* ----------------------------------------------- */
|
|
|
|
|
|
/* Target Body data parameters. */
|
|
typedef struct { /* TargetBodyData -------------------------------------- */
|
|
|
|
double position[3]; /* (m) Vector to target position. */
|
|
|
|
double phi[6][6]; /* -- State transition matrix. */
|
|
double phidot[6][6]; /* -- State transition matrix time derivative. */
|
|
|
|
double F[6][6]; /* -- Working area. */
|
|
double Gmat[3][3]; /* -- Working area. */
|
|
|
|
} TargetBodyData; /* ---------------------------------------------------- */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _TARGET_BODY_H_ : Do NOT put anything after this line! */
|
|
|