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Hydrophones implementation of different teams participating in RoboSub 2019

WAVE AUV - Arizona State University | Paper

  • Subsonus hydrophone - its own software - 8 hydrophones

NIT Rourkela | Paper

  • H1C Hydrophones - Algorithm in development phase
  • Acoustic Pinger - Teledyne Benthos ALP-365 Pinger
  • MATLAB along with liquid DSP and Aquila libraries is being used for algorithm development and debugging

IIT Bombay | Paper

  • In-house DAQ(Digital Acquisition) communication interface

IIT Kanpur | Paper

  • Were not able to implement it after testing it for months

AVBotz | Paper

  • 3-stage bespoke processing board -- preamp
  • Custom made PCB
  • Acquisition -- Pmod ADI analog-to-Digital Converter
  • Xilinx Arctic 7 FPGA based on Microblaze

CUAUV | Paper

  • Implemented but only talked about the In-house circuit board --

Duke Robotics Club | Paper

  • Saleae Logic 8
  • sampling 4 Channel at a rate of 625k sample/second
  • 5th order Chebyeshev type II digital band-pass filter

Ryerson | Paper

  • Uses Raspberry Pi Compute Module 3 (CM3)
  • communicates to a MAX10043 16-bit simultaneously sampling ADC through a high speed SPI protocol

EMU | Paper

  • Hydrophones arranged in a Uniform Rectangular Array (URA)
  • STM32 Development Board
  • Configuration with ROS

FEFU-IMTP | Paper

  • Placement of the Hydrophones on the hull
  • FPGA Xilinx Zynq-7010.

Harbin University | Paper

  • Physical system block diagram of underwater acoustic communication

iHub - AS Marine UV | Paper

  • Tiva C board is being used to analyze the signal

ZEABUS | Paper

  • Hydrophone Processing Module and its software integration

BubbleBee - NUS | Paper

North Carolina State UR | Paper

  • Use of USB Oscilloscope
  • DIP Switch - for distinguishing pings
  • the intersection of hyperboloids was susceptible to noise -- found only angle rahter than angle and distance

Texas A&M Women in Engineering AUV | Paper

  • Arduino UNO for analog to digital converter

Centre for Robotics Development (CRD) | Paper

  • Custom Hydrophones and hydrophone boards

OSU - Ohio State University | Paper

  • ZEM5305 FPGA

University of Victoria | Paper

  • Hydrophone Preamp Board

University of Folrida | Paper

  • Sylphase -- Custom made PCB

These colleges have implemented but have not given concrete procedures

University of Alberta | Paper Kyutech UR | Paper San Diego Robotics 101 | Paper Team Inspiration 2019 | Paper