TY - GEN
T1 - Study on Ultrasonic Location Based on Sound Pressure and TDOA Switching
AU - Hong, Mingyu
AU - Tao, Wang
AU - Chen, Jinbing
AU - Wang, Xiaoran
N1 - Publisher Copyright:
© 2020 IEEE.
PY - 2020/8
Y1 - 2020/8
N2 - Ultrasonic leak detection is an important technology in leak detection technology, which has the advantages of fast detection speed and high sensitivity. Based on the theory of leakage acoustics, the propagation of leakage ultrasound in the air is analyzed, and a gas leakage detection device based on ultrasonic transducer array is designed. Based on the device, a leak location method based on sound pressure and TDOA mobile switching is proposed. Firstly, the leak location is roughly judged by sound pressure relationship, then the detector position is adjusted by the real-time guidance of the display screen, and finally the leak location is accurately located by the arrival time relationship of ultrasonic signal. The experimental results show that when there is a small hole leakage, the method can locate the leakage point quickly and accurately, which verifies the correctness and feasibility of the method.
AB - Ultrasonic leak detection is an important technology in leak detection technology, which has the advantages of fast detection speed and high sensitivity. Based on the theory of leakage acoustics, the propagation of leakage ultrasound in the air is analyzed, and a gas leakage detection device based on ultrasonic transducer array is designed. Based on the device, a leak location method based on sound pressure and TDOA mobile switching is proposed. Firstly, the leak location is roughly judged by sound pressure relationship, then the detector position is adjusted by the real-time guidance of the display screen, and finally the leak location is accurately located by the arrival time relationship of ultrasonic signal. The experimental results show that when there is a small hole leakage, the method can locate the leakage point quickly and accurately, which verifies the correctness and feasibility of the method.
KW - TDOA
KW - sound pressure
KW - switch positioning
KW - ultrasonic wave
UR - http://www.scopus.com/inward/record.url?scp=85091558098&partnerID=8YFLogxK
U2 - 10.1109/CCDC49329.2020.9164437
DO - 10.1109/CCDC49329.2020.9164437
M3 - Conference contribution
AN - SCOPUS:85091558098
T3 - Proceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020
SP - 3153
EP - 3158
BT - Proceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 32nd Chinese Control and Decision Conference, CCDC 2020
Y2 - 22 August 2020 through 24 August 2020
ER -