Strain sensor, structure monitoring system and manufacturing method
A strain sensor and structure monitoring technology, applied in the direction of electric/magnetic solid deformation measurement, instrument, measurement force, etc., can solve the problems of real-time health monitoring, small fiber deformation and expansion rate, fiber breakage failure, etc., to achieve small occupied space, A wide range of applications, the effect of reducing the weight of the structure
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[0056] Taking an all-composite material rudder wing of a certain spacecraft as an example, the specific implementation steps of the technical solution of the present invention are described.
[0057] (1) Design the structure monitoring circuit according to the structure scheme of the rudder wing. First, determine the monitoring position of the strain sensor and the direction of the transmission circuit, such as figure 1 shown. Then design the direction of the sensitive grid of the strain sensor of the structure monitoring circuit and the size of the strain sensor, such as figure 2 shown. The longitudinal direction of the sensitive grid of the strain sensor should be consistent with the local maximum deformation direction of the structure, and the maximum deformation direction can be determined by the finite element simulation results. Then design the length, width and thickness of the strain sensor and the transmission circuit. During the design, it is necessary to ensure ...
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