M00000325
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ISO 16781 1st Edition, November 15, 2013 Space systems - Simulation requirements for control system
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Availability date: 07/13/2021
Description / Abstract:
This International Standard provides guidance to control system
engineers on what to simulate and how to use simulation to support
their system engineering tasks. Ground testing limitations
typically preclude a comprehensive "test as you fly" approach to
most space system control systems. Likewise, flight tests are
prohibitively expensive. Therefore, high-fidelity simulation models
of the control system components must be validated. Wherever,
possible ground test results should be compared to simulation model
outputs. Validated models are then used in various simulation
environments to predict flight performance. As an important means
of design, analysis and validation, simulation of the control
system is widely used in each phase of the control system
development, including conceptual design, detailed design,
prototype validation, and integrated system verification. This
International Standard provides simulation requirements of control
system for different phases in the process of designing a control
system. Control system engineers can carry out various types of
simulation experiments during various phases, according to this
International Standard. This International Standard establishes a
minimum set of requirements for simulation of control system. The
requirements are generic in nature because of their broad
applicability to all types of simulations. Implementation details
of the requirements should be addressed in project-specific
standards, requirements, handbooks, etc.
In general, standards can focus on engineering/technical
requirements, processes, procedures, practices, or methods. This
International Standard focuses on requirements and recommendations.
Hence, this International Standard specifies what must be done; it
does not prescribe how the requirements are to be met, nor does it
specify who the responsible team is for complying with the
requirements. Conflicts between this International Standard and
other requirements documents shall be resolved by the responsible
technical designer.