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Reliability and Redundancy of FCS

(1). Exponential Distribution Law of Fault-free Operation:.  - failure rate. Reliability and Redundancy of FCS. MTBF:. (2). For n independent elements the probability of joint fault-free operation:. (3). For n elements in redundant system the probability of joint fault-free operation:.

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Reliability and Redundancy of FCS

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  1. (1) Exponential Distribution Law of Fault-free Operation: - failure rate. Reliability and Redundancy of FCS MTBF: (2) For n independent elements the probability of joint fault-free operation: (3) For n elements in redundant system the probability of joint fault-free operation: (4) n=2: n=3:

  2. Majority-vote redundancy: “k from n”: E1 E2 E3 Quorum - element: “Failure” signal u1 y1 QE u2 y2 “OK” signal u3 y3 After elimination of faulty element: “OK” signal “Failure-1” signal “Failure-2” signal, switch off.

  3. a Amplifiers Amplifiers Ac QE QE Ac QE Ac QE RG RG RG FPCL FPCL FPCL Redundancy in the roll control channel for Tu-154

  4. Radial Network Structure

  5. Common Bus Network Structure

  6. DATAC –Digital Autonomous Terminal Access Communication

  7. CSMA/CA - Carrier Sense Multiple Access/ /Collision Avoidance

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