Redesign method of equipment anti-radiation reinforcement
A radiation-resistant hardening and re-design technology, applied in computing, special data processing applications, instruments, etc., can solve problems such as increasing design costs, prolonging the design cycle, difficult to locate, and analyze single-particle radiation resistance, etc., to achieve The effect of saving design cost, speeding up design progress and simplifying difficulty
Active Publication Date: 2017-02-08
58TH RES INST OF CETC
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[0007] According to the above design method, it is difficult to locate and analyze the single event flipping problem and quantify the radiation resistance required by the equipment. Therefore, it is necessary to conduct multiple radiation tests to adjust the radiation resistance of the equipment, which increases the design cost and prolongs the design time. cycle
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[0018] The embodiments listed in the present invention are only used to help understand the present invention, and should not be interpreted as limiting the protection scope of the present invention. For those of ordinary skill in the art, they can also Improvements and modifications are made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
[0019] The method for redesigning equipment anti-radiation reinforcement of the present invention comprises the following steps:
[0020] Step 1: Carry out an irradiation test on the device in a real irradiation environment. By reading and writing the device, it can be determined whether a single event flip occurs at each node of the register;
[0021] Step 2, use Hspice software to simulate the fault of the device, load the double-exponential current source through the simulation software, simulate the single event flipping situation of each n...
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The invention relates to the technical field of radiation resistance reinforcement, in particular to an equipment radiation resistance reinforcing redesign method. The equipment radiation resistance reinforcing redesign method includes the following steps that first, a radiation test is performed on equipment in a real radiation environment, and whether single event upset happens to all nodes of a register or not is judged; second, fault simulation is performed on the equipment, and the nodes to which latch error is bound to happen as long as single event upset happens are judged; third, the critical upset current values of the nodes judged in the second step are determined; fourth, the nodes judged in the second step are selected, and the nodes to which the upset does not happen are selected in a radiation test in a real environment; fifth, the nodes selected in the fourth step are ranked according to the critical upset current values of the nodes; sixth, the smallest critical upset current value in the rank is taken as the reinforcing target of equipment radiation resistance. The equipment radiation resistance reinforcing redesign method is used for the equipment radiation resistance reinforcing technology, the redesign difficulty is greatly reduced, design cost is saved, and design speed is increased.
Description
technical field [0001] The invention relates to the technical field of radiation resistance reinforcement, in particular to a method for redesigning equipment radiation resistance reinforcement. Background technique [0002] In the field of aerospace with extremely high reliability requirements, advanced anti-radiation technology is required to ensure the normal operation of equipment. The traditional anti-irradiation design steps of equipment are: [0003] 1. Carry out the initial anti-irradiation design of the equipment: (1) Design anti-irradiation timing units (TMR, DICE, RC filter, C unit, etc.); (2) Determine the actual circuit structure, driving capability, P N tube according to the design requirements The best ratio to complete the timing and area requirements; (3) Analyze the protection capabilities of these types of anti-radiation timing units and make a compromise choice (comprehensively consider performance, area, and anti-irradiation effects); (4) Comprehensive ...
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IPC IPC(8): G06F17/50
Inventor 秦晨飞魏敬和刘士全徐睿蔡洁明顾展宏
Owner 58TH RES INST OF CETC