A Consistency Evaluation and Calibration Method for Piezoelectric Transmitters

作者：Zhang, Kai^*; Tan, Baohai; Liu, Xianping

来源：Sensors (Switzerland), 2017, 17(5): 985.

DOI：10.3390/s17050985

• piezoelectric transducers
• transmitter consistency
• impedance analyzer
• consistency evaluation
• consistency calibration

Array transducer and transducer combination technologies are evolving rapidly. While adapting transmitter combination technologies, the parameter consistencies between each transmitter are extremely important because they can determine a combined effort directly. This study presents a consistency evaluation and calibration method for piezoelectric transmitters by using impedance analyzers. Firstly, electronic parameters of transmitters that can be measured by impedance analyzers are introduced. A variety of transmitter acoustic energies that are caused by these parameter differences are then analyzed and certified and, thereafter, transmitter consistency is evaluated. Lastly, based on the evaluations, consistency can be calibrated by changing the corresponding excitation voltage. Acoustic experiments show that this method accurately evaluates and calibrates transducer consistencies, and is easy to realize.

• 出版日期2017-5
• 单位中国石油大学（北京）