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DIN Standards Committee Aerospace

Overview

This standard focuses on the specific issues raised by managing performance aspects of control systems within the framework of space projects. It provides a set of normative definitions, budget rules, and specification templates applicable when developing general control systems. The standard is split up into two main clauses, respectively dealing with performance error indices and analysis methods, and stability and robustness specification and verification for linear systems. This document constitutes the normative substance of the more general and informative handbook on control performance, issued within the framework of the E-60-10 ECSS working group. If clarification (of the concepts, the technical background, rationales for the rules for example) is required, then readers should refer to the handbook. This standard and the associated handbook are not intended to substitute textbook material on automatic control theory. The readers and the users are assumed to possess general knowledge of control system engineering and its applications to space missions. This standard deals with control systems developed as part of a space project. It is applicable to all of the elements of a space system, including the space segment, the ground segment and the launch service segment. It addresses the issue of control performance, in terms of definition, specification, verification and validation methods and processes. The standard defines a general framework for handling performance indicators which applies to all disciplines involving control engineering, and which can be applied as well at different levels ranging from equipment to system level. It also focuses on the specific performance indicators applicable to the case of closed-loop control systems - mainly stability and robustness. Rules are provided for combining different error sources in order to build up a performance error budget and use this to assess the compliance with a requirement. Although designed to be general, one of the major fields of application for this standard is spacecraft pointing. This justifies why most of the examples and illustrations are related to AOCS problems. Indeed the definitions and the normative clauses of this Standard apply to pointing performance; nevertheless fully specific pointing issues are not addressed here in detail (spinning spacecraft cases for example). Complementary material for pointing error budgets can be found in ECSS-E-HB-60-10. For their own specific purpose, each entity (ESA, national agencies, primes) can further elaborate internal documents, deriving appropriate guidelines and summation rules based on the top level clauses gathered in this ECSS-E-ST-60-10 standard. This standard may be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S-ST-00. This document (EN 16603-60-10:2014) has been prepared by Technical Committee CEN/CLC/TC 5 "Space", the secretariat of which is held by DIN. This document has been developed to specifically cover space systems and therefore has precedence over any European Standard since it covers the same scope but with a wider domain of applicability (for example aerospace).

Document: references other documents

Responsible national committee

NA 131-06-01 AA - Space  

Responsible european committee

CEN/CLC/JTC 5 - Space