07.020 - Mathematics
ICS 07.020 Details
Mathematics
Mathematik
Mathematiques
Matematika
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IEC 60050-103:2009 gives the terminology relative to functions of one or more variables. Together with IEC 60050-102, it covers the mathematical terminology used in the fields of electricity, electronics and telecommunications. It maintains a clear distinction between mathematical concepts and physical concepts, even if some terms are used in both cases. Mathematical symbols are generally in accordance with IEC 60027-1 and ISO 80000-2. This standard cancels and replaces Sections 101-13, 101-14 and 101-15 of International Standard IEC 60050-101:1998.
It has the status of a horizontal standard in accordance with IEC Guide 108.
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This part of IEC 60050 gives the general mathematical terminology used in the fields of electricity, electronics and telecommunications, together with basic concepts in linear algebra. It maintains a clear distinction between mathematical concepts and physical concepts, even if some terms are used in both cases. Another part will deal with functions.
It has the status of a horizontal standard in accordance with IEC Guide 108.
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This document specifies mathematical symbols, explains their meanings, and gives verbal equivalents and applications.
This document is intended mainly for use in the natural sciences and technology, but also applies to other areas where mathematics is used.
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IEC 61703:2016 provides mathematical expressions for selected reliability, availability, maintainability and maintenance support measures defined in IEC 60050192:2015. In addition, it introduces some terms not covered in IEC 60050-192:2015. They are related to aspects of the system of item classes (see hereafter). According to IEC 60050-192:2015, dependability [192-01-22] is the ability of an item to perform as and when required and an item [192-01-01] can be an individual part, component, device, functional unit, equipment, subsystem, or system. To account for mathematical constraints, this standard splits the items between the individual items considered as a whole (e.g. individual components) and the systems made of several individual items. It provides general considerations for the mathematical expressions for systems as well as individual items but the individual items which are easier to model are analysed in more detail with regards to their repair aspects. This standard is mainly applicable to hardware dependability, but many terms and their definitions may be applied to items containing software. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- standard made as self containing as possible;
- item split between individual items and systems;
- generalization of the dependability concepts for systems made of several components [introduction of the conditional failure intensity (Vesely failure rate);
- introduction of the state-transition and the Markovian models;
- generalization of the availability to production availability];
- introduction of curves to illustrate the various concepts.
Keywords: mathematical expressions for dependability
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IEC 60050-103:2009 gives the terminology relative to functions of one or more variables. Together with IEC 60050-102, it covers the mathematical terminology used in the fields of electricity, electronics and telecommunications. It maintains a clear distinction between mathematical concepts and physical concepts, even if some terms are used in both cases. Mathematical symbols are generally in accordance with IEC 60027-1 and ISO 80000-2. This standard cancels and replaces Sections 101-13, 101-14 and 101-15 of International Standard IEC 60050-101:1998.
It has the status of a horizontal standard in accordance with IEC Guide 108.
- Standard153 pagesEnglish and French languagesale 10% offe-Library read for1 day
- Standard141 pagesEnglish and French languagesale 15% off
This part of IEC 60050 gives the general mathematical terminology used in the fields of electricity, electronics and telecommunications, together with basic concepts in linear algebra. It maintains a clear distinction between mathematical concepts and physical concepts, even if some terms are used in both cases. Another part will deal with functions.
It has the status of a horizontal standard in accordance with IEC Guide 108.
- Standard175 pagesEnglish and French languagesale 10% offe-Library read for1 day
- Standard162 pagesEnglish and French languagesale 15% off
Provides mathematical expressions for reliability, availability, maintainability and maintenance support measures. - Non-repaired items and - repaired items with zero and non-zero time to restoration are considered separately in this standard.
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ISO 80000-2:2009 gives general information about mathematical signs and symbols, their meanings, verbal equivalents and applications.
The recommendations in ISO 80000-2:2009 are intended mainly for use in the natural sciences and technology, but also apply to other areas where mathematics is used.
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ISO 80000-2:2009 gives general information about mathematical signs and symbols, their meanings, verbal equivalents and applications.
The recommendations in ISO 80000-2:2009 are intended mainly for use in the natural sciences and technology, but also apply to other areas where mathematics is used.
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