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|---|---|---|---|---|
ECSS-E-ST-10-09C(31July2008)-page=20 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
5.4.5
Mechanical frames
a.
The frame for a mechanical system shall be related to its material
structure definition.
b.
For alignment, integration and test purposes, the origin and axes of the
coordinate systems shall be defined using physical and accessible points,
inc... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 20
} | null |
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31 July 2008
d.
Positive angles about an axis should be defined in a right handed sense.
e.
Any left handed rotation convention shall be highlighted in the CSD.
f.
An elementary rotation shall be defined by a rotation axis and an angle.
g.
If the rotation is represented by a quaternion, the or... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 21
} | null |
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31 July 2008
NOTE 3
The uncertainty of transformed quantities is not
the transformation of the uncertainties. See [3] for
pointing errors and [4] for measurement errors.
h.
The time dependency of a transformation between coordinate systems
shall be defined.
NOTE
The transformat... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 22
} | null |
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31 July 2008
Annex A (normative)
Coordinate Systems Document (CSD) -
DRD
A.1
DRD identification
A.1.1
Requirement identification and source
document
This DRD is called from ECSS‐E‐ST‐10‐09, requirement 5.2.2a.
A.1.2
Purpose and objective
Proper documentation and maintenance of coordinate s... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 23
} | null |
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31 July 2008
c.
The CSD shall define notation conventions for the transfer of coordinates
and transformation data.
<4>
Units
a.
The CSD shall specify the units pertaining to the coordinate systems and
parameterisations used within the project.
<5>
Time standards
a.
The CSD shall specify... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 24
} | null |
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31 July 2008
c.
The CSD shall describe in a graphical representation the lower level
chains of transformations.
d.
Each individual coordinate system, identified in <9> below, shall be
graphically represented.
e.
These diagrams shall contain any additional constraint... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 25
} | null |
ECSS-E-ST-10-09C(31July2008)-page=26 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
Annex B (informative)
Transformation tree analysis
B.1
General
Issues involved in the definition of coordinate systems and the transformations
between them are illustrated via examples below.
B.2
Transformation examples
A coordinate system can be defined using a “Franck” template... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 26
} | null |
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31 July 2008
are docked together. Additional arrows (broken lines) can be added to indicate
measurement or estimation.
Figure B‐3 shows a Franck diagram for a spacecraft, whilst Figure B‐4 shows a
preliminary Franck diagram for star tracker alignment.
Table B‐1: Example of mechanical body frame ... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 27
} | null |
ECSS-E-ST-10-09C(31July2008)-page=28 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
Table B‐2: Example of orbital coordinate system
TYPE :
Pseudo‐inertial
Title/Name :
Equatorial coordinate frame
Mnemonic :
E
ID :
IN‐E‐01
Definition :
Origin is at the centre of the Earth.
The X axis lies in the equatorial plane and passes through the intersection of the ... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 28
} | null |
ECSS-E-ST-10-09C(31July2008)-page=29 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
Diagram :
Kouro
XE
O
YE
ZE
θE2TOD
Vernal
direction
Level‐0
reference
coordinate system
kinetic
trans‐
Level‐1
coordinate
system
kinetic
trans‐
kinetic
trans‐
kinetic
trans‐
kinetic
trans‐
Level‐2
coordinate
system
kinetic
trans‐
Level‐2
coordinate
system
Lev... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 29
} | null |
ECSS-E-ST-10-09C(31July2008)-page=30 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
reference
coordinate
system
kinetic
trans-
formation
planetary
coordinate
system
vehicle
coordinate
system
kinetic
trans-
formation
mobile equipment
or
fixed instrument
intermediate
coordinate
system
moving system
coordinate
system
Basic
etc.
etc.
etc.
e... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 30
} | null |
ECSS-E-ST-10-09C(31July2008)-page=31 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
ToD
frame
attitude
control
frame
mechanical
reference
frame
Sun sensor
measurement
frame
attitude
guidance
frame
local orbital
frame
trajectory
attitude
T, R
T, R
T, R
Static transformations
T = translational transformation
R = rotational transformation
D... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 31
} | null |
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31 July 2008
Level-0
Level-1
Level-2
s/c mechanical
reference frame
STR boresight
reference frame
STR mechanical
reference frame
s/c alignment
frame
STR alignment
frame
Quaternion of boresight
reference frame w.r.t.
star catalogue frame
determine
measure
T,R
T,R
T,R
T,R
Figure B‐4: ... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 32
} | null |
ECSS-E-ST-10-09C(31July2008)-page=33 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
Annex C (informative)
International standards authorities
C.1
Standards
The international authorities listed below define and maintain reference
information.
C.2
Time
C.2.1
United States Naval Observatory (USNO)
The Official Source of Time for the Department of Defense... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 33
} | null |
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Information on direct link to solar system ephemeris data is available
at:
<ftp://ftp.imcce.fr/pub/ephem> and
<http://www.imcce.fr/inpop>.
C.3.2
Jet Propulsion Laboratory (JPL) ephemerides
Jet Propulsion Laboratory (JPL) provides ephemerides for planets,
planetary satellit... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 34
} | null |
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31 July 2008
At <http://maia.usno.navy.mil/index.html>, it is possible to get a snapshot
definition of time and access the Earth rotation parameters, which are essential
for the transformation between Earth‐centred inertial coordinates and Earth‐
centred Earth‐fixed coordinates. It ... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 35
} | null |
ECSS-E-ST-10-09C(31July2008)-page=36 | ECSS-E-ST-10-09C(31July2008) | ECSS‐E‐ST‐10‐09C
31 July 2008
This document specifies two types of standard attitude data message formats
for use in transferring spacecraft attitude information between space agencies:
the attitude parameter message and the attitude ephemeris message.
C.6
IAU/IAG Working Group on Cartographic Coordinates
and Ro... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 36
} | null |
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31 July 2008
References
[1]
“The past, present and future of reference systems for astronomy and
geodesy”, G.A. Wilkins, Proceedings of the 141st symposium on the
International Astronomical Union, Leningrad, October 17‐21, 1989,
(Kluwer academic publishers), pp 39‐46.
[2]
IERS Technical Note 3... | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 37
} | null |
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31 July 2008
Bibliography
ECSS‐S‐ST‐00
ECSS system – Description and implementation
ECSS‐E‐ST‐10
Space engineering – System engineering general
requirements
38 | {
"document_id": "ECSS-E-ST-10-09C(31July2008)",
"page_number": 38
} | null |
ECSS-E-ST-70C(31July2008)-page=1 | ECSS-E-ST-70C(31July2008) | ECSS-E-ST-70C
31 July 2008
Space engineering
Ground systems and operations
ECSS Secretariat
ESA-ESTEC
Requirements & Standards Division
Noordwijk, The Netherlands | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 1
} | null |
ECSS-E-ST-70C(31July2008)-page=2 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Foreword
This Standard is one of the series of ECSS Standards intended to be applied together for the
management, engineering and product assurance in space projects and applications. ECSS is a
cooperative effort of the European Space Agency, national ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 2
} | null |
ECSS-E-ST-70C(31July2008)-page=3 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Change log
ECSS‐E‐70 Part 1A
25 April 2000
and
ECSS‐E‐70 Part 2A
2 April 2001
First issues
ECSS‐E‐70B
Never issued
ECSS‐E‐ST‐70C
31 July 2008
The present version (ECSS‐E‐ST‐70C) is the evolution of ECSS‐E‐70 Part
1A “Ground systems and operations ‐ Principles and requirement” a... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 3
} | null |
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31 July 2008
•
Harmonization with ECSS‐E‐ST‐10C System engineering
ECSS‐E‐ST‐70C is now consistent with the E‐ST‐10 series of
standards: it makes cross‐reference to E‐ST‐10 processes, where
applicable to the GS development. It in general uses the same
terminology for proc... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 4
} | null |
ECSS-E-ST-70C(31July2008)-page=5 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table of contents
Change log.................................................................................................................3
Introduction..............................................................................................................10
1 Scope................ | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 5
} | null |
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31 July 2008
5.3.3
Outputs.......................................................................................................35
5.4
Mission operations data validation ...........................................................................35
5.4.1
Inputs......................................... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 6
} | null |
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6.4.2
Process description ....................................................................................57
6.4.3
Outputs.......................................................................................................60
6.5
Ground segment maintenance .......................... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 7
} | null |
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31 July 2008
7.7.2
Processes during phase F..........................................................................77
7.7.3
Milestones and reviews of phase F ............................................................78
7.8
Summary of key documents and reviews....................................... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 8
} | null |
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31 July 2008
Tables
Table 5-1 Inputs to the requirements analysis and concept development process...............27
Table 5-2: Outputs of the requirements analysis and concept development process............32
Table 5-3: Inputs to the mission operations data production process........................... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 9
} | null |
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31 July 2008
Introduction
Ground systems and operations are key elements of a space system and play an
essential role in achieving mission success. Mission success is defined here as
the achievement of the target mission objectives as expressed in terms of the
quantity, quality and availa... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 10
} | null |
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1
Scope
Within the framework of the overall engineering standards for space missions,
this Standard contains the basic rules, principles and requirements applied to
the engineering of the ground segment and mission operations, which form an
integral part of the overall system implement... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 11
} | null |
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2
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revision of any of these publications
do not apply, Howev... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 12
} | null |
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3
Terms, definitions and abbreviated terms
3.1
Terms defined in other standards
For the purpose of this Standard, the terms and definitions from
ECSS‐S‐ST‐00‐01 apply.
For the purpose of this Standard, the following terms and definitions from
ECSS‐E‐ST‐10 apply: ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 13
} | null |
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31 July 2008
3.2.6
ground system
integrated set of ground functions used to support the preparation activities
leading up to mission operations or the conduct of mission operations itself
3.2.7
incident
in provision of a service, an enquiry, an observation or an anomaly, whi... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 14
} | null |
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31 July 2008
3.2.14
operational validation
test activities whose objective is to establish the readiness of the complete
ground segment, including mission operations data, and operations personnel
to support the space mission in–orbit by means of simulations and rehearsals
NOTE
The co... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 15
} | null |
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EEPROM
electrically erasable programmable read‐only memory
EGSE
electrical ground support equipment
ELR
end‐of‐life review
EM
engineering model
FAT
factory acceptance testing
FDIR
failure detection, isolation and recovery
FM
flight model
FMEA
failure modes and effects analysi... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 16
} | null |
ECSS-E-ST-70C(31July2008)-page=17 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
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LIT
listen‐in test
LS
logistic support
LSP
logistics support plan
MAR
mission analysis report
MCR
mission close–out review
MDD
mission description document
MOCD
mission operations concept document
MOP
mission operations plan
MRT
mission readiness tests
OAR
operations anom... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 17
} | null |
ECSS-E-ST-70C(31July2008)-page=18 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
SSS
space segment supplier
SSM
space system model
SSUM
space segment user manual
SVT
system validation test
TS
technical specification
TT&C
telemetry, tracking and command
18 | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 18
} | null |
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31 July 2008
4
Ground segment and operations domain
4.1
Overview
The domain of ECSS‐E‐ST‐70 is shown in Figure 4‐1 and is composed of two
main components:
•
The ground segment comprising all ground systems that are used to
support the preparation activities leading up to mission operat... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 19
} | null |
ECSS-E-ST-70C(31July2008)-page=20 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
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•
Mission exploitation personnel (e.g. scientific/algorithm experts, end‐user
community liaison staff, product generation support staff);
•
Ground systems maintenance engineers.
Team
Team
System
System
System
System
System
System
Team
Team
System
System
System
Team
OPER... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 20
} | null |
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•
Simulation;
•
Mission planning and scheduling;
•
Monitoring and control;
•
Flight dynamics;
•
On‐board software maintenance and management;
•
Data archiving;
•
User services;
•
Data product delivery;
•
Performance analysis and reporting;
•
Configuration management (sp... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 21
} | null |
ECSS-E-ST-70C(31July2008)-page=22 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
•
Performance analysis and reporting;
•
Algorithm tuning and development, verification and validation;
•
System maintenance.
4.3.4
Ground station system
The ground station system provides the physical link with the space segment
while in–orbit. The following are supported, where a... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 22
} | null |
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31 July 2008
4.5
Critical areas
In order to cost–effectively ensure mission success, this Standard covers the
coordination established during the phases of the space system project, between
space and ground segment, and between ground segment entities, as these are
often under different r... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 23
} | null |
ECSS-E-ST-70C(31July2008)-page=24 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5
Operations engineering
5.1
Overview
Figure 5‐1 shows the main operations engineering processes, which are:
•
Requirements analysis and concept development;
•
Mission operations data production;
•
Mission operations data validation;
•
Operations teams build‐up and training;
• ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 24
} | null |
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Mission
Description
Document (MDD)
Operations Customer
Operations Supplier
Requirements Analysis and Concept Development
Operations
Customer
Requirements
Document
(OCRD)
Trade-off
Report
Mission Operations
Concept Document
(MOCD)
Mission
Analysis
Report
(MAR)
Launcher
User
Manual
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 25
} | null |
ECSS-E-ST-70C(31July2008)-page=26 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Space Segment Disposal Operations
Operations Execution
Disposed
Space Segment
Operational Space
Segment
Operations
Reports
Anomaly
Reports
Operations Customer
Disposal Report
Mission Operations
Experience Reports
Mission
Products
Mission User Community
Mission
Archives
Validated
Gro... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 26
} | null |
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31 July 2008
NOTE 3
The trade‐off report provides a summary of the
different mission concepts considered at space
system level, the criteria used to assess them
and the justification for the selected solution.
NOTE 4
The mission description document and trade‐
off report are define... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 27
} | null |
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31 July 2008
NOTE 2
Mission analysis also provides input to the
spacecraft and mission design.
NOTE 3
The mission analysis process is carried out in
cooperation with the space segment supplierʹs
operations team.
b.
The mission analysis shall supply the following information:
1... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 28
} | null |
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31 July 2008
5.2.2.3
Operational interfaces definition
a.
Space segment operability requirements shall be identified to ensure that
the space segment can be operated during nominal situations and
foreseeable contingency situations, in accordance with the mission
requirements and ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 29
} | null |
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31 July 2008
3.
Provision of representative space segment telemetry and
telecommand data samples (including payload data).
4.
Provision of suitcase for testing compatibility between space
segment TT&C and ground stations.
5.
Access to the space segment when on ground, for the validat... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 30
} | null |
ECSS-E-ST-70C(31July2008)-page=31 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
2.
The mission operations team organisation for both the operations
preparation and operations execution phases.
3.
The recruitment profile for the mission operations team, showing
how staff are phased‐in (and out) and identifying any potential
time‐sharing or role‐sharing wi... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 31
} | null |
ECSS-E-ST-70C(31July2008)-page=32 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.2.2.6
Operational validation plan production
a.
An operational validation plan (OVP) shall be produced for the
operational validation of the ground segment systems and the mission
operations data.
b.
The OVP shall cover:
1.
Test preparation activities.
2.
Tec... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 32
} | null |
ECSS-E-ST-70C(31July2008)-page=33 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.3
Mission operations data production
5.3.1
Inputs
a.
The inputs to the mission operations data production process shall be the
ones specified in Table 5‐3.
b.
The space segment user manual (SSUM) contents shall conform to Annex
E.
NOTE
The SSUM includes information used f... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 33
} | null |
ECSS-E-ST-70C(31July2008)-page=34 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
2.
The sequence of main mission events for all critical mission phases,
including ground stations visibility and major space segment
operations;
3.
Operations schedules for all mission critical operations defining
the timed sequence of:
(a)
operational activities exe... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 34
} | null |
ECSS-E-ST-70C(31July2008)-page=35 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
1.
the space segment monitoring and control database, and
2.
the space segment procedures contained in the SSUM.
k.
The contents of the MOP shall be in conformance with Annex G.
l.
The contents of operations procedures shall be in conformance with
Annex I.
5.3.3
Outputs
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 35
} | null |
ECSS-E-ST-70C(31July2008)-page=36 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.4.2
Process description
a.
Mission operations data shall be validated.
NOTE 1
The validation of the mission operations data
demonstrates the correctness of the data and its
compatibility with the space segment.
NOTE 2
For some data, verification by inspection is
suff... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 36
} | null |
ECSS-E-ST-70C(31July2008)-page=37 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 5‐7: Inputs to the operations teams build‐up and training
process
ID Title
Mnemonic
Provider
1
Mission analysis report
MAR
Operations supplier
2
SSUM
SSUM
Operations customer
3
Mission operations concept
document
MOCD
Operations supplier
4
Mission operations plan
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 37
} | null |
ECSS-E-ST-70C(31July2008)-page=38 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
b.
Roles and responsibilities shall be defined, for each team member, for
each mission phase.
c.
The operations teams shall be assigned and trained such that they are
familiar with the mission and the supporting facilities before the start of
operational validatio... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 38
} | null |
ECSS-E-ST-70C(31July2008)-page=39 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.6.2
Process description
a.
Operational validation shall take place in a realistic operational context
i.e. through representative operations scenarios supported by operational
simulators, thereby demonstrating:
1.
Proper functioning and set–up of the entire ground segment
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 39
} | null |
ECSS-E-ST-70C(31July2008)-page=40 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
2.
the results of the tests and implementation of any necessary
actions.
NOTE
For example, corrections to the space segment
design or impacts on subsequent activities such
as the repetition of tests.
h.
Following successful completion of the operational validat... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 40
} | null |
ECSS-E-ST-70C(31July2008)-page=41 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.7.2
Process description
a.
In accordance with the requirements for “Configuration management
approach for operational phase” of ECSS‐M‐ST‐40, the mission
operations data shall be maintained in a functional state and remain
under configuration control for ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 41
} | null |
ECSS-E-ST-70C(31July2008)-page=42 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.8
Operations execution
5.8.1
Inputs
a.
The inputs to the operations execution process shall be the ones as
specified in Table 5‐13.
Table 5‐13 Inputs to the operations execution process
ID
Description
Provider
1
Fully validated ground segment, including
personnel ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 42
} | null |
ECSS-E-ST-70C(31July2008)-page=43 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.8.2.3
Routine mission operations
a.
Mission planning shall be performed in response to end‐user requests
and the operational and maintenance constraints of the space and ground
segments.
b.
Detailed operations schedules shall be produced from the mission
planning.... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 43
} | null |
ECSS-E-ST-70C(31July2008)-page=44 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
c.
A commissioning report shall be produced at the end of the in‐orbit
commissioning.
d.
Performance reports on the space and ground segments (including trend
analysis) shall be produced at suitable intervals to determine success in
meeting the mission objectives.
NOTE 1
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 44
} | null |
ECSS-E-ST-70C(31July2008)-page=45 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 5‐14: Outputs of the operations execution process
ID
Title
Mnemonic
Producer
1
Space segment elements in their final orbits,
configured for mission exploitation
Operations
supplier
2
LEOP reports
Operations
supplier
3
Commissioning report
Operations
supplier
4 ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 45
} | null |
ECSS-E-ST-70C(31July2008)-page=46 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.9.2
Process description
a.
The space segment disposal operations process shall include:
1.
Disposal operations analyses.
2.
Development of products and processes for disposal.
3.
Processes validation.
4.
Final de–orbiting, ,re–entry or retrieval operations, and
5.
Disposal or... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 46
} | null |
ECSS-E-ST-70C(31July2008)-page=47 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6
Ground segment engineering
6.1
Overview
This clause covers, in particular, the system engineering of the ground segment
and its lower levels.
Figure 6‐1 shows the main ground segment engineering processes which are:
•
Ground segment definition, covering:
⎯
ground segment require... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 47
} | null |
ECSS-E-ST-70C(31July2008)-page=48 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Ground Segment Definition
Ground Segment Production
System Z
System Y
System Z
System Y
Ground Segment
Customer Requirements
Document (GSCRD)
Ground Segment Supplier
Ground Segment Customer
Operations Supplier
Ground Segment
Engineering Plan
(GSEP)
System X
Rqts Document &
ICDs
Ground ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 48
} | null |
ECSS-E-ST-70C(31July2008)-page=49 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.2
Ground segment definition
6.2.1
Inputs
a.
The inputs to the ground segment definition process shall be the ones
identified in Table 6‐1.
b.
The contents of the ground segment customer requirements document
(GSCRD) shall conform to Annex A.
NOTE 1
The
GSCR... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 49
} | null |
ECSS-E-ST-70C(31July2008)-page=50 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
NOTE 2
This also includes user requirements produced
by the operations supplier (see clause 5.2.2.5).
b.
Requirements addressing the following topics shall be included:
1.
functionality;
2.
performance of the ground segment derived from the overall space
system requirements;
3.
d... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 50
} | null |
ECSS-E-ST-70C(31July2008)-page=51 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
c.
The architecture shall cover integrated logistics support systems in
accordance with the “Requirements for control of logistic activities” of
ECSS‐M‐ST‐70.
d.
The verification and validation approach and associated tools and data
shall be defined.
e.
Ground segm... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 51
} | null |
ECSS-E-ST-70C(31July2008)-page=52 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
NOTE 3
This also includes user requirements produced
by the operations supplier (see clause 5.2.2.5).
b.
Requirements of at least the following categories shall be covered :
1.
Functional;
2.
Performance;
3.
Interface;
4.
Design;
5.
Operational;
6.
Environment;
7.
Resource... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 52
} | null |
ECSS-E-ST-70C(31July2008)-page=53 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
d.
The logistics support plan shall identify the available or shared resources
that can be deployed in support of the mission and those that are
procured for the mission.
6.2.3
Outputs
a.
The outputs of the ground segment definition process shall be the ones
specified in... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 53
} | null |
ECSS-E-ST-70C(31July2008)-page=54 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.3
Ground segment production
6.3.1
Inputs
a.
The inputs to the ground segment production process shall be the ones
specified in Table 6‐3.
Table 6‐3 Inputs to the ground segment production process
ID
Title
Mnemonic
Provider
1
Ground segment engineering plan
GSEP
Ground segme... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 54
} | null |
ECSS-E-ST-70C(31July2008)-page=55 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
NOTE 3
In the context of the complete ground segment
(i.e. all ground systems fully integrated), the
ground segment supplier is responsible for all
constituent ground systems vis‐à‐vis both the
ground segment customer and the operations
supplier.
NOTE 4
Appropriat... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 55
} | null |
ECSS-E-ST-70C(31July2008)-page=56 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 6‐4: Outputs of the ground segment production process
ID Description
Producer
1
Qualified ground systems
Ground system suppliers
2
Acceptance reports for each ground system
Ground system customer
3
User manuals for each ground system
Ground system suppliers
4
Maintenance... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 56
} | null |
ECSS-E-ST-70C(31July2008)-page=57 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.4.2
Process description
6.4.2.1
General
a.
The ground segment AIT activity shall:
1.
Be performed using a preliminary set of mission operations data.
2.
Be carried out in an incremental manner, starting from low‐level
subsystems up to ground segment level, including at each stag... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 57
} | null |
ECSS-E-ST-70C(31July2008)-page=58 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
shown
in
Figure
6‐2,
ground
segment
operational validation, is part of operations
engineering (see clause 5.6) but is included here
to give an overall view of the entire approach.
Figure 6‐2: Ground segment AIT and verification
6.4.2.2
Ground segment AIT
a.
Ground segmen... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 58
} | null |
ECSS-E-ST-70C(31July2008)-page=59 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
(b)
the sequence in which the individual systems are integrated,
taking account of expected readiness;
(c)
the use of test systems or simulators;
(d)
the integration with individual external elements;
(e)
the relationship between these tests and planned pre–
releases of the s... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 59
} | null |
ECSS-E-ST-70C(31July2008)-page=60 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
d.
For the space‐to‐ground compatibility tests, at least two periods shall be
provided of a duration that is commensurate with the complexity of the
space segment and with an interval between them allowing correction of
potential ground segment problems found during the first period of ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 60
} | null |
ECSS-E-ST-70C(31July2008)-page=61 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.5
Ground segment maintenance
6.5.1
Inputs
a.
The inputs to the ground segment maintenance process shall be the ones
specified in Table 6‐7
Table 6‐7: Inputs to the ground segment maintenance process
ID
Title
Mnemonic
Provider
1
Ground segment requirements
document
GSRD
Gr... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 61
} | null |
ECSS-E-ST-70C(31July2008)-page=62 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.5.2.2
Process description
a.
Regular performance monitoring shall be undertaken in order to identify
trends or degradations indicating the need for preventive maintenance
b.
Performance monitoring results shall be recorded in performance reports.
c.
Routine maintenance shall be... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 62
} | null |
ECSS-E-ST-70C(31July2008)-page=63 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
6.5.3
Outputs
a.
The outputs of the maintenance process shall be the ones specified in
Table 6‐8.
Table 6‐8 Outputs of the maintenance process
ID Description
Producer
1
Performance reports
Ground segment supplier
2
Maintenance logs
Ground segment supplier
3
Inci... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 63
} | null |
ECSS-E-ST-70C(31July2008)-page=64 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
ensure
mission
termination
without
degradation to the environment.
b.
Disposal analysis shall cover methods for storage, dismantling, reusing,
recycling and destruction of the ground segment.
c.
The disposal analysis shall cover cost and organization of the disposal.
d.
Mission ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 64
} | null |
ECSS-E-ST-70C(31July2008)-page=65 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
65
7
Ground segment and operations lifecycle
7.1
General
7.1.1
The lifecycle
In accordance with the ECSS life cycle defined in ECSS‐M‐ST‐10, the ground
segment engineering processes are allocated to phases, which proceed in
sequence and each of which ends in a f... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 65
} | null |
ECSS-E-ST-70C(31July2008)-page=66 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
66
Figure 7‐1: Ground segment and operations phases | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 66
} | null |
ECSS-E-ST-70C(31July2008)-page=67 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.1.2
General requirements
a.
The GSC, the OC, the GSS and the OS shall be represented in the ground
segment and operations reviews.
b.
Ground segment reviews and operations reviews should be combined
wherever practical.
NOTE
In particular where the GSS and OS are part of... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 67
} | null |
ECSS-E-ST-70C(31July2008)-page=68 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 7‐1: Processes and outputs of phase A
ID Ground Segment
Engineering
Operations
Engineering
Outputs
Reviews
1
Mission analysis
(clause 5.2.2.1)
Draft issue of mission analysis
report (MAR) covering the
various proposed solutions, see
Annex C
CRR
2
Operational
anal... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 68
} | null |
ECSS-E-ST-70C(31July2008)-page=69 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.3.2
Processes during phase B
a.
The main processes specified Table 7‐2 shall be carried out during phase B.
Table 7‐2: Processes and outputs of phase B
ID Ground Segment
Engineering
Operations
Engineering
Outputs
Reviews
1
Ground segment
requirements engineering
(clause 6.2... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 69
} | null |
ECSS-E-ST-70C(31July2008)-page=70 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.3.3
Milestones and reviews of phase B
a.
A ground segment system requirements review (GSSRR) shall be held
during phase B.
b.
The purpose of the GSSRR shall be to approve the ground segment
requirements such that preliminary design and the definition of ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 70
} | null |
ECSS-E-ST-70C(31July2008)-page=71 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 7‐3: Processes and outputs of phase C
Ground Segment
Engineering
Operations
Engineering
ID
Outputs
Reviews
1
Ground segment
requirements
engineering (clause
Inputs to space–to–ground interface
control document (SGICD) in final
version
GSCDR
6.2.2.2)
2
Ground segmen... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 71
} | null |
ECSS-E-ST-70C(31July2008)-page=72 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.5
Phase D: Production, AIT and verification
7.5.1
Purpose of phase D
The purpose of the phase is to procure all ground systems and to integrate them
into an operational ground segment ready to support the in–orbit operations and
exploitation of the space segment.
7.5.2
Processes d... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 72
} | null |
ECSS-E-ST-70C(31July2008)-page=73 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 7‐4: Processes and outputs of phase D
Ground
Segment
Engineering
Operations
Engineering
ID
Outputs
Reviews
1
Mission analysis
(clause
Mission analysis report (MAR) in final
version
GSQR
5.2.2.1)
Qualified ground systems
Test and training tools
2
Qualification... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 73
} | null |
ECSS-E-ST-70C(31July2008)-page=74 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.5.3
Milestones and reviews of phase D
a.
Phase D shall be subdivided into four main sub‐phases (see Figure 7‐1) as
follows:
1.
Ground segment production.
NOTE
This activity concentrates on the production and
procurement of the ground systems.
2.
Ground segment AIT and ve... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 74
} | null |
ECSS-E-ST-70C(31July2008)-page=75 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
5.
Authorize use of the ground segment for space segment in–orbit
operations.
NOTE
The ORR normally also constitutes the final
acceptance of the ground segment.
i.
The results of the ORR shall be presented at the flight readiness review (FRR).
NOTE
For project phas... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 75
} | null |
ECSS-E-ST-70C(31July2008)-page=76 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 7‐5: Processes and outputs of sub‐phase E1
Ground Segment
Engineering
ID
Operations Engineering
Outputs
Reviews
1
LEOP operations (clause
5.8.2.2)
Space segment elements in their
final orbits and configured for
commissioning operations;
FQR
LEOP report
2
Commission... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 76
} | null |
ECSS-E-ST-70C(31July2008)-page=77 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
7.6.3
Milestones and reviews of phase E
a.
Phase E1 shall be concluded by the flight qualification review (FQR). This
review shall be held after completion of the space segment in–orbit
commissioning, in order to assess performance of the space and ground
segments ... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 77
} | null |
ECSS-E-ST-70C(31July2008)-page=78 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
78
7.7.3
Milestones and reviews of phase F
a.
Phase F shall be concluded by the mission close–out review (MCR).
b.
The purpose of the MCR shall be to assess the performance of the services
provided and to confirm proper disposal of space and ground segments.
7.8
Summary of key docu... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 78
} | null |
ECSS-E-ST-70C(31July2008)-page=79 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
79
Table 7‐8: Key ground segment and operations documents and reviews at which they are deliverable
Domain
Type
Title
Mnemonic
Reference
CRR
GSSRR
GSPDR
GSCDR
GSQR
COR
ORR
FRR
FQR
IOOR
ELR
MCR
SSYS
MISC
Mission description document
MDD
ECSS-E-ST-10
A
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 79
} | null |
ECSS-E-ST-70C(31July2008)-page=80 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Domain
Type
Title
Mnemonic
Reference
GSCDR
GSPDR
GSSRR
GSQR
IOOR
MCR
COR
ORR
CRR
FQR
ELR
FRR
OPS
MISC
Mission operations concept document
MOCD
Annex D
P
F
F
OPS
SPEC
Operations engineering plan
OEP
Annex E
P
F
OPS
PLAN
... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 80
} | null |
ECSS-E-ST-70C(31July2008)-page=81 | ECSS-E-ST-70C(31July2008) | ECSS‐E‐ST‐70C
31 July 2008
Table 7‐9: Ground segment and operations reviews
Review ID
Review title
Review objective
Date
Chaired by
Customer requirements
review
To assess the completeness of the customer requirements
and review the draft operations concept and ground
segment baseline
End of phase A
Operati... | {
"document_id": "ECSS-E-ST-70C(31July2008)",
"page_number": 81
} | null |
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