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Industrial communication flow transmission safety control method based on SDN architecture

The invention discloses an industrial communication flow transmission safety control method based on an SDN architecture. According to the method, a flow safety control module is designed in a management controller, deep analysis of industrial communication flow data is conducted, matching is performed with a preset industrial rule strategy, control processing operation in the industrial rule strategy is performed, and transmission control of the industrial communication flow is realized. The management controller comprises an industrial rule strategy database used for storing all industrial rule strategies set by users and an SDN switch maintenance flow table structure, the industrial communication flow is forwarded according to a flow table, and the flow table comprises a safety control identifier used for indicating whether the communication flow needs safety transmission control. According to the method, the legitimacy of the industrial communication data flow can be detected, access control for industrial communication which is not in accordance with the industrial rule strategy is realized, and the security and the reliability of an industrial control system based on the SDN architecture is guaranteed.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Automatic positioning ophthalmic examining system

An automatic positioning ophthalmic examining system comprises a doctor seat, an examining table, a patient seat and a central controller. A supporting frame capable of being adjusted left and right is arranged on the examining table. A lower jaw support with adjustable height is arranged on the supporting frame. The central controller comprises a control unit, an operating unit and a storage recognition unit. A table top of the examining table is provided with an identification code scanning window used for scanning and identifying identification codes in one-to-one correspondence with the identity of a doctor and the identity of a patient. The identification code scanning window is in signal connection with the storage recognition unit. For the first time, relevant position information is stored in the storage recognition unit immediately after the positions of the doctor seat, the examining table, the patient seat and the lower jaw support are adjusted; when the information needs to be used again, after the identity of the doctor and the identity of the patient are confirmed through the identification code scanning window and the storage recognition unit, the storage recognition unit automatically calls position data, stored in the storage recognition unit, of the doctor and the patient and transmits the position data to the control unit and the operating unit, so that the control unit and the operating unit automatically drive relevant mechanisms to act according to the data and be adjusted in place. Time is saved for the doctor, and examination and treatment efficiency is improved.
Owner:杨勋 +1
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