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What is Fault-Tolerance Systems

Chapter 5
Novel Design and Applications of Robotics Technologies
Fault-tolerance enables a system to continue its intended operation in the event of faults in some parts of it. Fault-tolerance systems rely typically on redundant units. The redundant components can be active and operating in parallel, or passive but switched into active use upon failure of the primary units. They can also be designed to be shared by a number of functionally identical systems.
Published in Chapter:
Improving Dependability of Robotics Systems: Analysis of Sequence-Dependent Failures
Nidhal Mahmud (SYSAF, UK)
Copyright: © 2019 |Pages: 24
DOI: 10.4018/978-1-5225-5276-5.ch005
Abstract
In this chapter, the authors propose an algorithm for the reduction of fault tree expressions that are generated from failure behavioral models. The significance of the sequencing of events is preserved during the generation and all along the reduction process, thus allowing full qualitative analysis. Thorough and detailed analysis results should positively impact the design of condition monitoring and failure prevention mechanisms. A behavioral model of a robotic system that exhibits sequence-dependent failures is used in the study.
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Chapter 593
Improving Dependability of Robotics Systems
Fault-tolerance enables a system to continue its intended operation in the event of faults in some parts of it. Fault-tolerance systems rely typically on redundant units. The redundant components can be active and operating in parallel, or passive but switched into active use upon failure of the primary units. They can also be designed to be shared by a number of functionally identical systems.
Published in Chapter: Improving Dependability of Robotics Systems; From: Encyclopedia of Information Science and Technology, Fourth Edition
Full Text Chapter Download: US $37.50 Add to Cart
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