ISO 16781:2021

INTERNATIONAL ISO
STANDARD 16781
Second edition
2021-03
Space systems — Simulation
requirements for control system
Systèmes spatiaux — Exigences de simulation pour le système de
contrôle
Reference number
©
ISO 2021
© ISO 2021
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ii © ISO 2021 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 3
4 Control system simulation . 3
4.1 Simulation system scheme of control system . 3
4.2 Objectives of control system simulation . 4
4.3 Mathematical simulation and HITL simulation . 5
4.4 Simulation in different phases . 5
4.5 Simulation process . 8
5 General requirements . 8
5.1 General . 8
5.2 Project level requirements . 8
5.3 Simulation model requirements . 9
5.4 Simulation facility requirements .10
5.5 Simulation operation requirements .10
5.6 Simulation result analysis requirements.11
5.7 Document requirements .11
5.7.1 Design report of simulation system .11
5.7.2 Simulation plan .11
5.7.3 Simulation report .12
6 Requirements of conceptual design phase simulation .12
6.1 General .12
6.2 Objective .13
6.3 Input .13
6.4 Output .13
6.5 Simulation model requirements .13
6.6 Simulation facility requirements .14
6.7 Simulation operation requirements .14
7 Requirements of detailed design phase simulation .14
7.1 General .14
7.2 Objective .14
7.3 Input .15
7.4 Output .15
7.5 Simulation model requirements .15
7.6 Simulation facility requirements .15
7.7 Simulation operation requirements .15
8 Requirements of prototype phase simulation .16
8.1 General .16
8.2 Objective .16
8.3 Input .17
8.4 Output .17
8.5 Simulation model requirements .17
8.6 Simulation facility requirements .17
8.6.1 Requirements of simulation devices .17
8.6.2 Requirements of simulation environment.18
8.7 Simulation Operation Requirements .18
9 Requirements of integrated system phase simulation .18
9.1 General .18
9.2 Objective .19
9.3 Input .19
9.4 Output .20
9.5 Simulation model requirements .20
9.6 Simulation facility requirements .20
9.7 Simulation operation requirements .20
Annex A (informative) Phase comparison between ISO 14300-1 and this document .21
Bibliography .22
iv © ISO 2021 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
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on the ISO list of patent declarations received (see www .iso .org/ patents).
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For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
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iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,
Subcommittee SC 14, Space systems and operations.
This second edition cancels and replaces the first edition (ISO 16781:2013), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— the Introduction and the Scope have been revised; the scope is re-stated to c
...