An integration method of a hybrid genetic algorithm and the Levenberg–Marquardt algorithm for ultrasonic testing
Xiang Li,
Jiuhong Jia,
Dongxu Yang
et al.
Abstract:The accurate measurement of time-of-flight (TOF) is essential in ultrasonic testing. Further, noise interference is the key factor affecting the measurement accuracy. Therefore, to develop a reliable computational method of TOF for test pieces working in noisy environments, an integration method of a hybrid genetic algorithm and the Levenberg–Marquardt algorithm (GA–LM) for ultrasonic thickness measurement is proposed in the present research. A Gaussian model is first established for an echo signal. Further, t… Show more
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