Results 141 to 150 of about 183 (161)

Generalizing PFD formulas of IEC 61508 for KooN configurations

ISA Transactions, 2015
Detailed formulas are given in IEC 61508 for calculating Probability of Failure on Demand for 1oo1, 1oo2, 2oo2, 2oo3 and 1oo3 systems. Simplified PFD formulas are also derived for general k-out-of-n combinations, without incorporating all the elements utilized in IEC 61508 formulas.
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Human factors and safety integrity - IEC 61508

International Conference on People in Control (Human Interfaces in Control Rooms, Cockpits and Command Centres), 1999
The principal objective of the standard IEC 61508 is to development of electrical/electronic/programmable electronic (E/E/PE) safety-related systems so that functional safety is achieved. IEC 61508 aims to encompass all those factors which influence functional safety.
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Assessment of PVST in Accordance with IEC 61508:2010

8th IET International System Safety Conference incorporating the Cyber Security Conference 2013, 2013
For many years, diagnostics have been implemented for field devices (smart devices and final elements) comprising shutdown valves, actuator and solenoid valves, using online measurement and testing technologies. Process plants strive for maximum efficiency and in doing so look to ensure continual operation avoiding sudden shutdown, very often reliant ...
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Component assessment for IEC 61508 - a worked example

Is Your Product Safe? IEE Seminar, 2004
Summary form only given. An example of a three wire RTD to show how IEC 61508 part 2 might be applied to produce a thorough argument in support of an application in a safety instrumented loop.
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Overview of IEC 61508

IEE Seminar Programmable Electronics and Safety Systems: Issues, Standards and Practical Aspects, 2002
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MEETING IEC 61508 PART 3

2004
David J Smith, Kenneth GL Simpson
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Meeting IEC 61508 Part 2

2004
David J. Smith, Kenneth G.L. Simpson
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Practical implementation of IEC 61508

1st IEE Automotive Electronics Conference, 2005
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IEC 61508

2011
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The 2010 Version of IEC 61508

2020
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