Find the most up-to-date version of IEC at Engineering IEC defines dependability as- “Dependability describes the availability IEC () Dependability management-Part 1 (93 pages, ~US$52). Buy IEC DEPENDABILITY MANAGEMENT – PART 1: GUIDANCE FOR MANAGEMENT AND APPLICATION from SAI Global.

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Reliability and dependability standards provide quick guides for reliability details.

BS EN – Dependability management. Guidance for management and application

They are an efficient method for avoiding the not invented here NIH syndrome. A wide variety of subjects are available from IEC International Electrical Congress TC subcommittee for publications Technical Committee 56 is responsible for dependability issues driven by a strategic policy statement. A PDF download file tersely summarizes the standards.

The committee was formed in as TC 56 Reliability and Maintainability and the title was changed to Dependability in and in it was agreed that ic scope should no longer be limited to the electrotechnical field but should address generic dependability issues across all disciplines. Some of the 50 IEC publications are:. Deals with dependability performance issues including availability performance, reliability performance, maintainability performance, and maintenance iiec performance.

Life cycle models are used to describe product development or project phases. Applicable for detailed planning and implementation of a dependability program to meet specific product needs. Collection of dependability data from the field. Describes guidelines for the collection of data relating to reliability, maintainability, availability, and maintenance support performance in the field. This part of IEC provides a general introduction to the concept of life cycle costing and covers all applications.

This standard is intended for general application by both customers users and suppliers of products. It explains the purpose and value of life cycle costing and outlines the general approaches involved.

BS EN 60300-1:2014

It also identifies typical life cycle cost elements to facilitate project and programme planning. Describes guidelines for planning and performing reliability tests and the use of statistical methods to discover weaknesses in the design that could be corrected to improve performance, quality, safety, robustness, reliability, availability, and reduce costs.

Software aspects of dependability. Describes dependability elements and tasks for systems or products containing software. Guidelines for dependability management. Describes and application guide to reliability stress screening for electronic hardware.

This document was withdrawn in and replace by IEC for Reliability stress screening-Part 1: Risk analysis of technological systems. Describes guidelines for selecting and implementing risk analysis techniques for quality and consistency in planning and execution for risk analysis. Describes 60300- of a maintainability program. Describes development of a preventive maintenance program using RCM techniques. Application guide- Section 3: Describes life cycle costing concepts and general guidance for conducting life cycle cost analysis.

Guide to the specification of dependability requirements. Return to top of page. IEC Presentation and specification of reliability data for electronic components. This standard provides guidance for the collection and presentation of data relating to the reliability of electronic iev and their reliability characteristics.


It also provides guidance to users as to how they should specify their reliability requirements to manufactures. Describes the use of failure rate data for reliability prediction of components in electronic equipment including the effects of complexity, stress models for conversion.

Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs which specifies design reviews and tests intended to measure the valve characteristics. Describes procedures for modeling system reliability to calculate reliability and availability measures and contains a standard set of symbols related to reliability parameters. Describes Markov analysis methods for modeling maintenance strategies along with failure restorations events displayed in a pictorial way.

This standard is applicable whenever data on strength parameters, e. The main changes with respect to the previous edition are as follows: Describes guidelines for exposure and removal of weaknesses in hardware and software items to make reliability grow and mathematical modeling is outlined briefly. There are several reliability growth models available, the power law model being one of the most widely used. Describes procedures to estimate the parameters of the power law model along with confidence intervals for failure intensity, and prediction intervals for the time to future failures along with a test of goodness of fit to data from repaired items.

Application guide- Reliability test conditions and statistical test principles. Design of 603001- cycles. Describes the design of operating eand environmental test cycles referenced in section 8.

Indoor portable equipment-Low 6000-1 of simulation. Describes tests for portable equipment operated in a stationary position. This standard has been withdrawn. Equipment for stationary use in weather protected locations — High degree of simulation.

Preferred test conditions — Section 3: Equipment for stationary use in partially weather protected locations — Low degree of simulation. Describes test cycles not intended to replace tests for other purposes. Equipment for portable and no-stationary use — Low degree of simulation. Describes preferred test conditions as give in Iiec Ground mobile equipment — Low degree of simulation.

Describes direct current dc powered mobile equipment tests as give in IEC Outdoor transportable equipment — Low degree of simulation. Statistical procedures for exponential distribution — Point estimates, confidence intervals, prediction intervals and tolerance intervals. Describes statistical methods for evaluating point estimates, confidence intervals, prediction intervals, and tolerance intervals for the failure rate of items whose time to failure follows and exponential distribution.

Tests for the iwc of the constant failure rate or constant failure intensity assumptions. Describes compliance testing techniques for availability performance testing of frequently maintained items. Describes procedures for compliance test plans for success ratio or failure ratio tests where each trial is statistically independent.

Describes a number of optimized test plans, the corresponding operating characteristic curves and expected test times. In addition the algorithms for designing test plans using a spreadsheet program are also given, together with guidance on how to choose test plans. This standard does not cover guidance on how to plan, perform. Describes numerical methods for performing a Weibull goodness of fit test for two-parameter Weibull distribution using maximum likelihood methods.


Describes plans and procedures for inspection by attributes. Application guide- Reliability stress screening of electronic hardware. Repairable items manufactured in lots. Describes processes which are applicable for hardware items which have unacceptably low reliability in the early failure periods and when other methods such as reliability grow plots are not applicable. Describes guidance on reliability stress screening techniques and procedures for electronic components.

Application guide- Section 6: Part 1- Section One, Two and Three. Introduction, requirements and maintainability program. Describes the concept of maintainability, the general approach for maintainability, and gives maintainability objectives. Describes maintainability requirements and related design and use parameter, and discusses some activities necessary to achieve the required maintainability characteristics and their relationship to planning of maintenance.

It described the general approach in reaching these objectives and shows ho maintainability characteristics should be specified in a requirements document or contract. It is not intended to be a complete guide on how to specify or to contract for maintainability.

Verification and collection, analysis and presentation of data. Describes aspects of verification necessary to ensure that the specified maintainability requirements of an item have been met and provides suitable procedures and test methods. This standard also addresses the collection, analysis and presentation of maintainability related data, which may be required during, and at the completion of, design and during item production and operation.

Part 4- Section 8: Maintenance and maintenance support planning. Describes the tasks required for planning of maintenance and maintenance support—also describes the interface between reliability, maintainability and maintenance support planning. Replaced by IEC Ed 1. Testability and diagnostic testing.

Part 6- Section 9: Statistical methods in maintainability evaluation. Describes techniques covering quantitative aspects of maintainability. Application guide- Reliability centered maintenance. Application guide-Integrated logistic support. Application guide- Section 9: Describes a general introduction to project risk management, its sub-processes and influencing factors, and provides guidelines for implementing risk management at various phases of a project.

Application guide- Section 2: Also refer to following documents for data collection: The failure modes defined in ISO Standardization of data-collection practices facilitates the exchange of information between parties, e. Examples, guidelines, and principles for the exchange and merging of such RM data are addressed.

The following main categories of data are to be collected: PERD publications are available for sale and download.