Interpretation Method of GATEM Data based on PID Controller Iteration Downward Continuation Method

Authors

  • Shanshan Guan Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Bingxuan Du Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Dongsheng Li Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Yuan Wang Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Yu Zhu Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Qiong Wu Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China
  • Yanju Ji 1 Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China, 2 Key Laboratory of Earth Information Detection Instrumentation of Ministry of Education, Jilin University, Changchun 130026, China

Keywords:

GATEM system, interpretation, PID controller iteration downward continuation method

Abstract

The Ground-source Airborne Time-domain Electromagnetic (GATEM) system has advantages for high efficiency and complex areas such as mountainous zone. Because of ignoring the impact of flight height, the section interpretation method seriously affects the interpretation and imaging accuracy of shallow anomalies. The PID controller iteration downward continuation method is proposed. Based on the original iteration continuation method, the differential coefficient and integral coefficient are added. The result shows that the new method remarkably decreases the iteration number, and the accuracy are verified by comparison with the numerical integration solution. The PID controller iteration downward continuation method is applied to the interpretation of GATEM data. For synthetic data, the interpretation results of continued electromagnetic response are closer to the true model than the z = 30 m interpretation results. The method is also applied to GATEM field data in Yangquan City, Shanxi Province, China. The interpretation results perform reliability using PID controller iteration downward continuation method in a GATEM field.

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Author Biographies

Shanshan Guan, Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China

Shanshan Guan received the Ph.D. degree in Measuring and Testing Technology and Instrument from Jilin University, Changchun, China, in 2012. In 2019, she was a Visiting Scholar with the Southern University of Science and Technology, China. Since 2012, she has been with the College of Instrumentation and Electrical Engineering, Jilin University, where she is currently an Associate Professor. Her research interests include the development of transient electromagnetic instruments and data forward, and inverse algorithms.

Qiong Wu, Department of Instrumentation and Electrical Engineering Jilin University, Changchun 130026, China

Qiong Wu received the B.S. degree in Electrical Engineering and Automation from Jilin Unversity, Changchun, China, in 2013 and the Ph.D. degree in Detection Technology and Automatic Equipment from Jilin Unversity, Changchun, China, in 2019. From 2016 to 2017, she was an exchange student in Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, Sapporo, Japan. Her research interest includes modelling and interpretation method for grounded electrical source airborne electromagnetics.

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Published

2021-11-04

How to Cite

[1]
S. . Guan, “Interpretation Method of GATEM Data based on PID Controller Iteration Downward Continuation Method”, ACES Journal, vol. 36, no. 06, pp. 622–631, Nov. 2021.

Issue

2021: Vol 36 Iss 6

Section

Articles