Self-refreshing triple-modular redundancy counter

A technology of three-mode redundancy and counters, which is applied to calculations using non-numerical representations, calculations using residual algorithms, etc., can solve problems such as system malfunctions, voting devices that cannot work normally, and state machine state judgment errors. Achieve the effect of eliminating the cumulative effect of errors

Inactive Publication Date: 2013-11-13
ZHEJIANG UNIV
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Problems solved by technology

[0003] The triple-mode redundant counter is often used to strengthen the state machine counter in the system, because once the state machine counter is wrong, it will cause the state machine state to be judged incorrectly and cause the system to malfunction
But after a period of time, when the counter 2 counts to 6, a

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  • Self-refreshing triple-modular redundancy counter
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Embodiment Construction

[0023] In order to describe the present invention more specifically, the technical solutions and related principles of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as Figure 5 As shown, a self-refresh triple-mode redundant counter includes three counters J1~J3 and three voters B1~B3; where:

[0025] The clock terminals of the three counters J1-J3 all receive a given counting clock, the output terminal of the counter J1 is connected with the first input terminals of the three voters B1-B3, and the output terminal of the counter J2 is connected with the three voters B1-B3 The second input terminal of the counter J3 is connected to the third input terminal of the three voters B1~B3, the output terminal of the voter B1 is connected to the input terminal of the counter J1 and outputs the counting result, and the output of the voter B2 The terminal is connected with the input terminal ...

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Abstract

The invention discloses a self-refreshing triple-modular redundancy counter, which comprises three counters J1, J2 and J3 and three voters B1, B2 and B3, which are mutually connected. According to the triple-modular redundancy counter disclosed by the invention, by feeding back results of the voters to the counters, the counting results of the counters can be refreshed timely, and accordingly the error cumulative effect of the counters can be eliminated; as long as two of the three counters do not go wrong simultaneously, the whole triple-modular redundancy counter can continue to normally work.

Description

technical field [0001] The invention belongs to the technical field of digital circuit counters, in particular to a self-refreshing triple-mode redundant counter. Background technique [0002] Von Neumann wrote as early as 1956 in a paper entitled Probabilistic logics and synthesis of reliable organisms from unreliable components (in Automata Studies, C. Shannon and J. McCarthy, Eds. Princeton University Press, 1956, pp. 43–98. ) proposed to use redundancy and majority voter to construct a reliable system. Since then, multi-mode redundancy and triple-mode redundancy have been widely used in reliability systems as the most basic technology. Since triple-mode redundancy requires less additional hardware overhead, and its reliability is very close to that of multi-mode redundancy, triple-mode redundancy technology is widely used in industry, traffic control, and aerospace fields. [0003] Triple-mode redundant counters are often used to strengthen the state machine counters i...

Claims

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Application Information

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IPC IPC(8): G06F7/72
Inventor 刘晓鹏陈雪韩雁曹天霖王明宇
Owner ZHEJIANG UNIV
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