A Modular FPGA-based Phased Array System for Ultrasonic Levitation with MATLAB

被引：0
|
作者：
Zehnter, Sebastian [1 ]
Ament, Christoph [1 ]
机构：
[1] Univ Augsburg, Chair Control Engn, Augsburg, Germany
来源：
2019 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2019年
关键词：
Phased arrays; FPGA; ultrasonic; acoustic; levitation; non-contact handling; MATLAB; open hardware;
D O I：
10.1109/ultsym.2019.8926194
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In the present work, a modular and low-cost FPGA-based phased array system was developed that uses transducers emitting at 40 kHz for the acoustic levitation of small objects (<= 4 mm). The system consists of a driver board, transducer arrays with various layouts, and software developed in MATLAB (R). The software can be used to simulate the acoustic field, calculate acoustic traps, and control the driver board via a provided USB-SPI interface. The driver board controls up to 100 channels simultaneously with square-wave signals up to 20 Vpp with pi/1024 phase resolution and 10 bit amplitude resolution. Several phased arrays can be linked via a provided (IC)-C-2 interface to increase the number of available channels. The functionality of the system is demonstrated by the levitation of small objects using a flat 40 kHz transducer array.
引用
收藏
页码：654 / 658
页数：5
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