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!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! SDDL Name: QBPCS_DEF.SDDL
!
! Purpose: This SDDL file defines the qbpcs_def relation.
!
! Modification History:
!
! Date OPR Who Reason
! -------- ------- --- -------------------------------------------------
! 11/17/94 27329 RJS Original implementation
! 03/06/96 31021 nlc Add new field reacq_no_def
! 05/02/96 27745 bao Eliminate two-step GS acquisition support
! from database and SPSS
! 03/12/98 n 30633 egb New fields reconf_time, slew_set_tim, and
! reacq_tm_nsl
!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!
LANGUAGE FORTRAN, SQL
INCLUDE ZSPSS_USER_TYPES.SDDL
RECORD QBPCSD_TYPE
!------------------------------------------------------------------------------
!
! RECORD INFORMATION
!
!------------------------------------------------------------------------------
DESCRIPTION "This PDB-controlled relation defines the default PCS
acquisition parameters associated with a scenario
acquisition. These acquisition parameters are used by
SPSS to determine the duration of guide star
acquisition and reacquisition activities.
The command GSSS/ACQ uses parameters in this relation
to compute the acquisition time parameters. However,
the relation QBS_OBSET contains acquisition and
reacquisition override flags to allow SPSS to ignore
these acquisition time parameters computed by GSSS/ACQ
and stored in WGACQUIS, and instead use other default
parameters specified in this relation.
GSSS/ACQ bases its calculations on properties of
guide star pairs which it has grouped into acquisition
data sets."
!------------------------------------------------------------------------------
!
! FIELD INFORMATION
!
!------------------------------------------------------------------------------
FIELD pcs_mode
TYPE PCS_MODE_TYPE
END_FIELD
FIELD scenario_acq
TYPE GSACQ_SCENARIO_NAME_TYPE
END_FIELD
FIELD acqcoef1
TYPE R4
DESCRIPTION "This field specifies the first coefficient of
the guide star acquisition time model. This default
value will be used if the PCS acquisition override
flag QBS_OBSET.acq_co_ovr='Y'. The guide star
acquisition time is computed from the ST position
uncertainty 'U' and the pitch/yaw error coefficient
for the obset (atterror) to be :
acqcoef1 + acqcoef2 * (U + atterror ** acqcoef3).
Otherwise, SPSS will use the user specified value
(PFORM BGD) in QBS_OBSET.acqcoef1."
RELATED_FIELDS "qbs_obset.acqcoef1" "qbs_obset.acqcoef2" "qbs_obset.acqcoef3" "qbs_obset.atterror" "qbs_obset.acq_co_ovr"
UNITS "SECONDS"
END_FIELD
FIELD acqcoef2
TYPE R4
DESCRIPTION "This field specifies the second coefficient of the
guide star acquisition time model. This default
value will be used if the PCS acquisition override
flag QBS_OBSET.acq_co_ovr='N'. Otherwise, SPSS will
use the user specified value (PFORM BGD) in
QBS_OBSET.acqcoef2."
RELATED_FIELDS "qbs_obset.acqcoef2" "qbs_obset.acq_co_ovr"
UNITS "SECONDS/ARCSECONDS"
END_FIELD
FIELD acqcoef3
TYPE R4
DESCRIPTION "This field specifies the third coefficient of the
guide star acquisition time model. This default
value will be used if the PCS acquisition override
flag QBS_OBSET.acq_co_ovr='N'. Otherwise, SPSS will
use the user specified value (PFORM BGD) in
QBS_OBSET.acqcoef3."
RELATED_FIELDS "qbs_obset.acqcoef3" "qbs_obset.acq_co_ovr"
END_FIELD
FIELD gs_acq_parm
TYPE R4
DESCRIPTION "This field specifies the default guide star
acquisition time model parameter. ( user input ).
This is used by GSSS/ACQ to compute the values of the
fields WGACQUIS.acq_tim_mod2, WGACQUIS.min_acq_tim,
and WGACQUIS.nom_acq_tim."
RELATED_FIELDS "wgacquis.acq_tim_mod2" "wgacquis.min_acq_tim" "wgacquis.nom_acq_tim"
END_FIELD
FIELD overhead
TYPE R4
DESCRIPTION "This field specifies the overhead for the
acquisition on the acquisition timing model. It is
used by GSSS/ACQ to compute the values of the fields
WGACQUIS.acq_tim_mod1."
UNITS "SECONDS"
RELATED_FIELDS "wgacquis.acq_tim_mod1"
END_FIELD
FIELD gs_acq_time
TYPE R4
DESCRIPTION "This field specifies the time to acquire each GS/
GS pair of the acquisition. GSSS/ACQ sums the value of
this field and the value of qbpcs_def.overhead and the
centerline maneuver durations to compute
WGACQUIS.acq_tim_mod1."
UNITS "MINUTES"
RELATED_FIELDS "wgacquis.acq_tim_mod1"
END_FIELD
FIELD rollerror
TYPE R4
DESCRIPTION "This field specifies the roll error coefficient
of the ST position uncertainty model associated with
the PCS mode. This is the default value used if the PCS
acquisition override flag QBS_OBSET.acq_co_ovr='N'.
Otherwise, SPSS will the use value in
QBS_OBSET.rollerror."
RELATED_FIELDS "qbs_obset.rollerror" "qbs_obset.acq_co_ovr"
UNITS "ARCSECONDS"
END_FIELD
FIELD rollrate
TYPE R4
DESCRIPTION "This fields specifies the roll error degradation
coefficient of the ST position uncertainty model
associated with the PCS mode. It is the default
value used if the PCS acquisition override flag
QBS_OBSET.acq_co_ovr='N'."
UNITS "ARCSECONDS/SECOND"
RELATED_FIELDS "qbs_obset.acq_co_ovr"
END_FIELD
FIELD atterror
TYPE R4
DESCRIPTION "This field specifies the pitch/yaw error coefficient
of the ST position uncertainty model associated with the
PCS mode. It DEFAULT value from the PCS acquisition
default parameters relation if the PCS
acquisition override flag is 'Y'."
UNITS "ARCSECONDS"
END_FIELD
FIELD attrate
TYPE R4
DESCRIPTION "This field specifies the pitch/yaw error
degradation coefficient of the ST position
uncertainty model associated with the PCS mode.
DEFAULT value from the PCS acquisition default
parameters relation if the PCS acquisition override
flag is 'Y'."
UNITS "ARCSECONDS/SECOND"
END_FIELD
FIELD reacq_sn
TYPE GSACQ_SCENARIO_NAME_TYPE
DESCRIPTION "This field specifies the PCS reqcquisition
scenario name."
END_FIELD
FIELD reacqcoef1
TYPE R4
DESCRIPTION "This field specifies the first coefficient of the
guide star acquisition time model. DEFAULT value from
the PCS acquisition default parameters relation if
the PCS re-acquisition override flag is 'Y'."
UNITS "SECONDS"
END_FIELD
FIELD reacqcoef2
TYPE R4
DESCRIPTION "This field specifies the second coefficient of the
guide star reacquisition time model. DEFAULT value
from the PCS acquisition default parameters relation if
the PCS re-acquisition override flag is 'Y'."
UNITS "SECONDS/ARCSECONDS"
END_FIELD
FIELD reacqcoef3
TYPE R4
DESCRIPTION "This field specifies the third coefficient of the
guide star reacquisition time model. DEFAULT value
from the PCS acquisition default parameters relation if
the PCS re-acquisition override flag is 'Y'."
UNITS
END_FIELD
FIELD numfhsts
TYPE C1
DESCRIPTION "This field specifies the number of FHSTs required to be
visible during the observation set. THIS field may
specify from 1-3 FHSTs are required. DEFAULT value
from the PCS acquisition default parameters
relation if the PCS acquisition override flag
is set to 'Y'."
DISCRETE "1", "2", "3"
END_FIELD
FIELD fhstroll
TYPE C1
DESCRIPTION "This field controls the scheduling of FHST roll
updates when slewing from the observation set, where
'N' = do not do an FHST update,
'D' = schedule an FHST update as required by
the scheduling algorithm (default),
'Y' = schedule an FHST full update. "
DISCRETE "N", "Y", "D"
END_FIELD
FIELD fhstfull
TYPE C1
DESCRIPTION "This field controls the scheduling of FHST full updates
following a slew to the observation set, where
'N' = do not do an FHST update,
'D' = schedule an FHST update as required by
the scheduling algorithm (default),
'Y' = schedule an FHST full update. "
DISCRETE "N", "Y", "D"
END_FIELD
FIELD fhstroll1
TYPE C1
DESCRIPTION "This field specifies the FHST which cannot be used
to schedule an FHST update before a slew from the
observation set. IF two FHSTs (fhstroll1,fhstroll2) are
specified, then only a 1-FHST roll update will be
scheduled. IF neither are specified, then all three
FHSTs will be considered for FHST update
scheduling."
END_FIELD
FIELD fhstroll2
TYPE C1
DESCRIPTION "This field specifies the FHST which cannot be used
to schedule an FHST update before a slew from the
observation set. IF two FHSTs (fhstroll1,fhstroll2) are
specified, then only a 1-FHST roll update will be
scheduled. If neither are specified, then all three
FHSTs will be considered for FHST update
scheduling. "
END_FIELD
FIELD fhstfull1
TYPE C1
DESCRIPTION "This field specifies the FHST which cannot be used to
schedule an FHST full update (before or after a slew).
if specified, only the other
2 FHSTs can be considered for scheduling.
if none is specified, all three
FHSTs will be considered for FHST update
scheduling. "
END_FIELD
FIELD pcsgap
TYPE C1
DESCRIPTION "This field is a flag which specifies whether a
gap between the PCS acquisition and the first
alignment of the observation set which cannot be
done in parallel with a slew is allowed. A gap may
result if an FHST update is required after a slew,
but the delay between the latest time the update can
be scheduled and the latest start time of the PCS
acquisition activity exceeds fhstdel2."
RELATED_FIELDS "qbs_obset.pcsgap" "widcr_parms.fhstdel2" "qbsoverrides.fhstdel2"
END_FIELD
FIELD pcs_max_dur
TYPE I4
DESCRIPTION "This field specifies the maximum PCS acquisition
duration."
UNITS "SECONDS"
END_FIELD
FIELD comment1
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment2
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment3
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment4
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment5
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment6
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment7
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment8
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment9
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD comment10
TYPE COMMENT_LINE_TYPE
END_FIELD
FIELD acq_overhead
TYPE I4
UNITS "SECONDS"
DESCRIPTION "This field specifies the duration of the overhead
portion of the guide star acquistion."
RANGE
END_FIELD
FIELD rcq_overhead
TYPE I4
DESCRIPTION "This field specifies the duration of the
overhead portion of the guide star reacquistion."
UNITS "SECONDS"
END_FIELD
FIELD min_cent_dur
TYPE I4
DESCRIPTION "This field specifies the minimum centerline
maneuver duration if centerlining is requested "
UNITS "SECONDS"
END_FIELD
FIELD fgslock
TYPE C7
DESCRIPTION "This field specifies the value to be used in
PODPS science data header keyword FGSLOCK. The
allowed values controlled by the SCARS science
software branch "
END_FIELD
FIELD reacq_no_def
TYPE I4
DESCRIPTION "This field is used to set the duration of a
reacquisition without an FGS slew from default.
This duration will also be used to schedule
reacquisitions that follow an alignment that must be
executed under gyro control (as long as the pause to
gyro and reacquisition are within the same FGS
visibilty interval).
Reference OPR 30936 for other details on this
field."
UNITS "SECONDS"
END_FIELD
FIELD reconf_time
TYPE I4
DESCRIPTION "This field specifies the time required to configure
the PCS prior to a slew"
UNITS "SECONDS"
RELATED_FIELDS "qbs_obset.reconf_time"
END_FIELD
FIELD slew_set_tim
TYPE I4
DESCRIPTION "This field specifies the time to permit settling of
the solar arrays"
UNITS "SECONDS"
RELATED_FIELDS "qbs_obset.slew_set_tim"
END_FIELD
FIELD reacq_tm_nsl
TYPE I4
DESCRIPTION "This field specifies the PCS reacquisition time for
a 'noslew' type reacquisition."
UNITS "SECONDS"
RELATED_FIELDS "qbs_obset.reacq_tm_nsl"
END_FIELD
END_RECORD
!------------------------------------------------------------------------------
!
! RELATION DECLARATION
!
!------------------------------------------------------------------------------
RELATION qbpcs_def
TYPE QBPCSD_TYPE
DESCRIPTION "PCS Scenario-Dependent Defaults Relation"
SUBSYSTEM_USING "SPSS", "SCIOPSDB"
RELATED_FIELDS "qbs_obset.*" "qbacqs.*" "qbacqd_def.*"
INDEX qbpcs_def_1
TYPE unique, clustered
FIELDS scenario_acq
END_INDEX
END_RELATION
!------------------------------------------------------------------------------
!
! INSTANCE DECLARATION
!
!------------------------------------------------------------------------------
INSTANCE qbpcs_def
GLOBAL
TYPE QBPCSD_TYPE
END_INSTANCE
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