Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
IEC 61703-ed.2.0
Mathematical expressions for reliability, availability, maintainability and maintenance support terms
Translate name
STANDARD published on 12.8.2016
The information about the standard:
Designation standards: IEC 61703-ed.2.0
Publication date standards: 12.8.2016
SKU: NS-646514
The number of pages: 209
Approximate weight : 658 g (1.45 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Application of statistical methodsCharacteristics and design of machines, apparatus, equipment
Annotation of standard text IEC 61703-ed.2.0 :
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 LIEC 61703:2016 fournit des expressions mathematiques pour les mesures selectionnees liees a la fiabilite, a la disponibilite, a la maintenabilite et a la logistique de maintenance definies dans lIEC 60050-192:2015. En outre, elle presente certains termes non couverts par lIEC 60050-192:2015. Ces termes sont lies aux aspects relatifs aux items de la classe systeme (voir ci-apres). Selon lIEC 60050-192:2015, la surete de fonctionnement [192-01-22] est laptitude dune entite a fonctionner quand et tel que requis; une entite [192-01-01] peut etre une piece isolee, un composant, un dispositif, une unite fonctionnelle, un equipement, un sous-systeme ou un systeme. Pour tenir compte des contraintes mathematiques, la presente norme effectue une distinction entre les entites individuelles considerees dans leur ensemble (par exemple, des composants individuels) et les systemes composes de plusieurs entites individuelles. Elle fournit des considerations generales sur les expressions mathematiques liees aux systemes et aux entites individuelles. Les entites individuelles plus facilement modelisables sont, quant a elles, analysees plus en detail pour ce qui concerne leurs aspects de reparation. La presente norme sapplique principalement a la surete de fonctionnement du materiel, mais de nombreux termes et leurs definitions peuvent etre appliques a des entites contenant du logiciel. Cette deuxieme edition annule et remplace la premiere edition parue en 2001. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: - norme aussi autonome que possible; - entite scindee entre entites individuelles et systemes; - generalisation des concepts de surete de fonctionnement pour les systemes constitues de plusieurs composants; - [introduction de lintensite conditionnelle de defaillance (taux de defaillance de Vesely); - introduction des modeles etats-transitions et des modeles de Markov; - generalisation de la disponibilite a la disponibilite de production]; - introduction de courbes pour representer les differents concepts. Mots cles: des expressions mathematiques pour la fiabilite
We recommend:
Technical standards updating
Do you want to make sure you use only the valid technical standards?
We can offer you a solution which will provide you a monthly overview concerning the updating of standards which you use.
Would you like to know more? Look at this page.
