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In computing, triple modular redundancy, sometimes called triple-mode redundancy, [1] (TMR) is a fault-tolerant form of N-modular redundancy, in which three systems perform a process and that result is processed by a majority-voting system to produce a single output. If any one of the three systems fails, the other two systems can correct and ...
Time triple modular redundancy, also known as TTMR, is a patented single-event upset mitigation technique that detects and corrects errors in a computer or microprocessor. . TTMR allows the use of very long instruction word style microprocessors in space or other applications where external sources, such as radiation, would cause an elevated rate of erro
Though simple to implement and widely used, this triple modular redundancy is a relatively inefficient ECC. Better ECC codes typically examine the last several tens or even the last several hundreds of previously received bits to determine how to decode the current small handful of bits (typically in groups of two to eight bits).
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Triple modular redundancy Where the computing ...
Geographic redundancy corrects the vulnerabilities of redundant devices deployed by geographically separating backup devices. Geographic redundancy reduces the likelihood of events such as power outages, floods, HVAC failures, lightning strikes, tornadoes, building fires, wildfires, and mass shootings disabling most of the system if not the entirety of it.
Modular redundancy may refer to: Dual modular redundancy, in reliability engineering where system components are duplicated; Triple modular redundancy, in reliability engineering where system components are triplicated
A checksum of a message is a modular arithmetic sum of message code words of a fixed word length (e.g., byte values). The sum may be negated by means of a ones'-complement operation prior to transmission to detect unintentional all-zero messages. Checksum schemes include parity bits, check digits, and longitudinal redundancy checks.
Triconex also use its name for its hardware devices that use its TriStation application software. Triconex products are based on patented Triple modular redundancy (TMR) industrial safety-shutdown technology. Today, Triconex TMR products operate globally in more than 11,500 installations.