System for structural reference sample modeling, safety inference, and monitoring

Abstract

A structural safety inference system includes: a data collection module for acquiring multiple triaxial acceleration data from a database system based on screening criteria; a gravity component calculation module for calculating the average triaxial acceleration data to obtain a gravitational acceleration value; an angle calculation module for calculating the tilt angle, deflection angle, and torsional angle of the structure corresponding to the triaxial acceleration data based on the average triaxial acceleration data and the gravitational acceleration value; and a safety assessment module for comparing the tilt angle, deflection angle, and torsional angle corresponding to the triaxial acceleration data with the reference tilt angle, reference deflection angle, and reference torsional angle corresponding to the gold standard sample to infer the safety of the structure.

Claims

1. A structural reference sample modeling system, comprising: a data collection module configured to acquire a plurality of triaxial acceleration data from a database system according to a filtering condition, wherein the triaxial acceleration data is generated by biaxial and triaxial accelerometers disposed at two ends of a structure and transmitted to the database system for recording; and a gravity component calculation module configured to calculate an average X-axis acceleration, an average Y-axis acceleration, and an average Z-axis acceleration based on the triaxial acceleration data, and to calculate a gravitational acceleration value based on the average X-axis acceleration, the average Y-axis acceleration, and the average Z-axis acceleration. A gold sample screening module is configured to analyze the triaxial acceleration data based on the average X-axis acceleration, the average Y-axis acceleration, the average Z-axis acceleration, and the gravitational acceleration value to determine a gold sample; and an angle calculation module is configured to calculate a reference tilt angle, a reference deflection angle, and a reference torsional angle of the gold sample corresponding to the structure based on the average X-axis acceleration, the average Y-axis acceleration, the average Z-axis acceleration, and the gravitational acceleration value of the gold sample.

2. The structural reference sample modeling system as described in claim 1, wherein the angle calculation module comprises: an inclination calculation module configured to calculate the reference inclination angle of the gold sample corresponding to the two ends of the structure using a rectangular coordinate to spherical coordinate conversion formula, wherein the reference inclination angle includes a vertical inclination angle and a horizontal rotation angle; and a deflection and torsion calculation module configured to subtract the vertical inclination angle of the reference inclination angle of the gold sample corresponding to the two ends of the structure to calculate the reference deflection angle, and subtract the horizontal rotation angle of the reference inclination angle of the gold sample corresponding to the two ends of the structure to calculate the reference torsion angle.

3. The structural reference sample modeling system as described in claim 2 further includes: a threshold setting module configured to set a deflection threshold value and a torsion threshold value, and to determine whether the reference deflection angle and the reference torsion angle are greater than the deflection threshold value and the torsion threshold value.

4. A structural safety inference system, comprising: a data collection module configured to acquire a plurality of triaxial acceleration data from a database system according to a filtering condition, wherein the triaxial acceleration data is generated by biaxial and triaxial accelerometers disposed at two ends of a structure and transmitted to the database system for recording; and a gravity component calculation module configured to calculate an average X-axis acceleration, an average Y-axis acceleration, and an average Z-axis acceleration based on the triaxial acceleration data, and to calculate a gravitational acceleration value based on the average X-axis acceleration, the average Y-axis acceleration, and the average Z-axis acceleration. An angle calculation module is configured to calculate, based on the average X-axis acceleration, average Y-axis acceleration, average Z-axis acceleration, and gravitational acceleration value of the triaxial acceleration data, the corresponding tilt angle, deflection angle, and torsional angle of the structure; and a safety assessment module is configured to compare the tilt angle, deflection angle, and torsional angle corresponding to the triaxial acceleration data with a reference tilt angle, reference deflection angle, and reference torsional angle corresponding to a gold sample to infer the safety of the structure.

5. The structural safety inference system as described in claim 4, wherein the angle calculation module comprises: a tilt angle calculation module configured to calculate the tilt angle of the triaxial acceleration data corresponding to the two ends of the structure using a rectangular coordinate to spherical coordinate conversion formula, wherein the tilt angle includes a vertical tilt angle and a horizontal rotation angle; and a deflection and torsion calculation module configured to subtract the vertical tilt angle of the triaxial acceleration data corresponding to the tilt angle of the two ends of the structure to calculate the deflection angle, and subtract the horizontal rotation angle of the triaxial acceleration data corresponding to the tilt angle of the two ends of the structure to calculate the torsion angle.

6. The structural safety inference system as described in claim 5, wherein the safety assessment module includes a change estimation module configured to calculate a change in deflection between the deflection angle and the reference deflection angle, and to calculate a change in torsion between the torsion angle and the reference torsion angle.

7. The structural safety inference system as described in claim 6, wherein the safety assessment module includes a trend analysis module configured to analyze the deflection change and the torsional change through a statistical analysis method to obtain a trend graph of the structure changing over time.

8. The structural safety inference system as described in claim 7, wherein the safety assessment module includes an anomaly assessment module configured to compare a trend curve of the trend graph with a threshold value to infer the safety of the structure.

9. The structural safety inference system as described in claim 8, further comprising a notification module configured to send a notification message when the anomaly assessment module determines that the trend curve of the trend graph is below the threshold value.

10. A structural monitoring system for monitoring the safety of a structure, comprising: a structural reference sample modeling system configured to use a data collection module, a gravity component calculation module, a gold sample screening module, and an angle calculation module to calculate a reference tilt angle, a reference deflection angle, and a reference torsional angle of a gold sample corresponding to the structure; and a structural safety inference system configured to use the data collection module, the gravity component calculation module, and the angle calculation module to calculate a plurality of triaxial acceleration data corresponding to a tilt angle, a deflection angle, and a torsional angle of the structure, and to use a safety assessment module to compare the tilt angle, the deflection angle, and the torsional angle corresponding to the triaxial acceleration data with the reference tilt angle, the reference deflection angle, and the reference torsional angle corresponding to the gold sample to infer the safety of the structure; wherein... These triaxial acceleration data are generated by biaxial and triaxial accelerometers located at both ends of the structure and are transmitted to the data collection module at low frequency.

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