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Two-out-of-two security data processing and arbitration apparatus and method

A data processing and security data technology, applied in the direction of electrical digital data processing, data exchange network, data exchange through path configuration, etc., can solve problems such as poor reliability, high power consumption, complex structure, etc., to reduce impact and improve reliability performance, and the effect of ensuring operational safety

Active Publication Date: 2018-11-16
TIANJIN EMBEDTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a two out of two secure data processing and arbitration device and method to alleviate the technical problems of complex structure, high power consumption and poor reliability in the prior art

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  • Two-out-of-two security data processing and arbitration apparatus and method
  • Two-out-of-two security data processing and arbitration apparatus and method
  • Two-out-of-two security data processing and arbitration apparatus and method

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Embodiment 1

[0032] see figure 1 and figure 2 , a structural schematic diagram and a schematic diagram of a two-out-two secure data processing and arbitration device provided by an embodiment of the present invention. A two-out-of-two secure data processing and arbitration device provided by an embodiment of the present invention includes: a first data processor 100 storing a first data processing subsystem, a second data processing subsystem, and a data arbitration subsystem respectively; Two data processors 200 and a data arbitration processor 300 . The first data processor 100, the second data processor 200, and the data arbitration processor 300 in the two-out-of-two secure data processing and arbitration device provided by the embodiment of the present invention adopt the PowerPC architecture. The first data processing subsystem, the second data processing subsystem, and the data arbitration subsystem of this technical solution cooperate organically with each other to realize the s...

Embodiment 2

[0041] A two-out two secure data processing and arbitration method provided in an embodiment of the present invention is based on the two-out two secure data processing and arbitration device in the above embodiment, and includes the following steps:

[0042] Two out of two steps: the first data processing subsystem and the second data processing subsystem realize preprocessing data transmission and comparison through the high-speed Serial RapidIO bus, and synchronize the first data processing subsystem and the second data processing subsystem through the normal speed GPIO bus real-time clock and instruction clock.

[0043] Data exchange step: exchange the preprocessed data generated by the first data processing subsystem and the second data processing subsystem with the data arbitration subsystem respectively through two Ethernet switches. The first data processing subsystem and the second data processing subsystem are respectively cross-connected with two Gigabit Ethernet sw...

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Abstract

The invention, which relates to the field of PowerPC architecture computer technology, provides a two-out-of-two security data processing and arbitration apparatus and method. The apparatus comprisesa first data processor, a second data processor and a data arbitration processor that use PowerPC architecture. The first data processor and the second data processor are respectively connected by a high-speed Serial RapidIO bus and a general-speed GPIO bus; and the data arbitration processor is respectively connected to the first data processor and the second data processor through two Ethernet switches. The first data processor, the second data processor, and the data arbitration processor are respectively connected to the Ethernet switch through an RGMII interface with a PHY mode. Therefore, synchronous processing, cross comparison and independent arbitration judgment of data in a rail transit signal system are realized; the reliability of the signal system is improved; the high operation safety of the rail transit is ensured; and technical problems of complicated structure, high power consumption, and poor reliability in the prior art are solved.

Description

technical field [0001] The invention relates to the technical field of PowerPC architecture computers, in particular to a two-out-two safe data processing and arbitration device and method. Background technique [0002] With the improvement of our country's economic level and the development of electronic science and technology, at present, the application of computer signal system has been widely used in various fields related to people's life, such as industrial control, railway transportation, finance, national defense, etc. The dependence of the signal system is getting stronger and stronger, which means that the failure of the computer signal system will cause more and more losses. People begin to pay more attention to the safety and reliability of the computer signal system. An important method to achieve safety has been used in the field of rail transit for many years. The two-out-of-two safety computer signal system can be said to be the "brain" of rail transit opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/413H04L12/931H04L12/933G06F13/16
CPCG06F13/1605G06F13/1652H04L12/40084H04L12/40104H04L12/4135H04L49/102H04L49/351Y02D10/00
Inventor 王朋
Owner TIANJIN EMBEDTEC
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