Sound source joint detection imaging system and method based on waveform and energy

By using waveforms and energy sound sources in the equipment fault detection system, combined with the imaging method of virtual sound source and sound wave sensor arrays to solve the problem of low detection accuracy and efficiency in existing technologies, and realize the high faulty sound waves in the existing technologies, and realize the height of the weak fault sound waves. Accuracy detection and accurate positioning of fault positions.

CN119374712AActive Publication Date: 2025-01-28BEIJING INFORMATION SCI & TECH UNIV
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Patent Information

Application Number
CN202411568302.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-01-28
Estimated Expiration
2044-11-05

AI Technical Summary

Technical Problem

Existing equipment failure detection methods for detecting abnormal sound sources are susceptible to external noise interference and are inaccurate to detect weak abnormal sound waves, resulting in low detection accuracy and efficiency.

Method used

Using waveform -based and energy -based sound source combined detection imaging systems, receiving sound wave signals through sound wave sensor array, and setting virtual sound source for virtual sound wave calculation, combined with waveform -related and energy matching calculations, realizing the combined imaging and fault sound source positions. Essence

Benefits of technology

It improves the accuracy of the detection of faint fault sound waves, enhances the robustness and scope of the system, and can more effectively locate the fault position and improve the detection efficiency.

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Abstract

The invention discloses a sound source joint detection imaging system and method based on waveforms and energy, and belongs to the technical field of equipment fault sound detection. A sound source joint detection imaging system based on waveform and energy comprises a sound wave sensor module used for receiving sound wave signals in a detection area; the virtual sound wave module is used for calculating virtual sound waves transmitted from a virtual sound source to the sound wave sensor module; the waveform correlation module is used for carrying out waveform correlation calculation and imaging on the sound wave signals received by the sound wave sensor array and the virtual sound wave signals; the energy matching module is used for performing energy matching calculation and imaging on the sound wave signals received by the sound wave sensor array and the virtual sound wave signals; the combined imaging module is used for carrying out combined superposition imaging on the imaging result of the waveform correlation module and the imaging result of the energy matching module; and the sound source parameter inversion module is used for calculating the position information of the fault sound source through inversion. According to the sound source joint detection imaging system and method based on the waveform and the energy, the problem that an equipment fault abnormal sound source detection method is low in detection precision and efficiency can be solved.
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Citation Information

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