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Autonomous Surface Vehicle. MyAsia Reid 1 , Linda Kpormone Buame 2 , Amadi Sefah-Twerefour 2 , Prosper Yaw Adiku 2 , George Owusu Fordah 2 , Center for Remote Sensing of Ice Sheets (CReSIS), University of Kansas, Lawrence, KS 66045

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Autonomous surface vehicle
Autonomous Surface Vehicle

MyAsia Reid1, Linda Kpormone Buame2, Amadi Sefah-Twerefour2, Prosper Yaw Adiku2, George Owusu Fordah2,Center for Remote Sensing of Ice Sheets (CReSIS), University of Kansas, Lawrence, KS 66045

1Elizabeth City State University, Elizabeth City, N C 27909

2Department of Oceanography & Fisheries, University of Ghana, Legon

Mentors: Dr. Eric Akers, Ben Panzer, Kyle Byers and Jerome Mitchell


  • Introduction

  • Methodology

  • Results

  • Conclusion

  • References


The response of organisms to changes in water quality parameters enhances our understanding of aquatic environment (Abowei, 2009).

MODIS) and SeaWIFs, are limited by assumption of uniformity in pixels (Yuan et al, 2005). Designs limited to open oceans

Insufficient sampling,

Inaccuracy of geophysical corrections.

Sampling can be augmented by using more than one mission (Bouffard et al, 2008)

Dunbabin et al, 2009

Design considerations
Design considerations

  • Drag depends on size, shape & speed: force due to drag

  • (F)= 0.5rhoV²CdA, lowest Cd is the best

  • F is proportional to speed, >speed needs more thrust and a greater drain on power.




Buoyant force and Lift


Design components

  • Microcontroller (Atmega 328)

  • Motor controllers (10A brushed)

  • Breadboard

  • SD Card Reader

  • GPS

    -shield (09487)

    -module (EM 406)

  • Temperature Sensors (LM335a)

  • Batteries(12V/8Ah , 12V/18Ah)


Primary Navigation systems

GPS and Gyro


Motor controllers

uMMC data storage Module



Sensor payload

Temperature sensor


ASV flowchart….

Final design of asv
Final design of ASV

In the workshop

On land


  • What is an Arduino?

    • is a single-board microcontroller and a software suite for programming it. The software consists of a standard programming language and the boot loader that runs on the board.

    • Microcontroller: The hardware consists of a simple open hardware design for the controller with an Atmel AVR processor and on-board I/O support.

Temperature sensor
Temperature sensor

  • Analog temperature sensor

  • Works like a Zener diode

  • Calibrated at 25°C at and 5V input voltage and a 2.982V output


Navigation and control gps
Navigation and Control (GPS)

  • GPS & Bearing….

  • Satellite based navigation system.

  • Based on the network of 24 satellites.

  • GPS intended for military use, but available for civilian use in the 1980’s.

  • Works off satellite, tracking positions of locations.

  • For direction, tracking and navigation.


GPS Shield

Connector Vertical SMD for EM408

Coin Cell Holder - 12mm

20 Channel EM-406A SiRF III Receiver with Antenna

EM 406


Bearing calculations
Bearing calculations..

  • Bearing calculations done in radians

    Bearing (x)


    degrees=x* 180/M_PI; (M_PI is the constant from math.h set for value of PI)

    To ensure that it remains in proper range

    Degrees=degrees + 360°; if degrees is less than 0

Distance calculations
Distance calculations

  • Haversine distance calculations

    dlat= lat2-lat1




    Distance= r*c;// radius of the earth in meters

    r = 6378140m



  • An ASV that can navigate specific way point has been built.

  • Future work would focus on increasing sensor capacity by putting on board more sensors as well as buoy mode and possibly obstacle avoidance.


Thanks to:

  • Dr. Eric Akers

  • Dr. Claude Laird

  • Dennis Sundermeyer

  • Leon Searl

  • Ben Panzer

  • Kyle Byers

  • Jerome Mitchell


Abowei, J.F.N (2010) Salinity, Dissolved Oxygen, pH and Surface Water Temperature Conditions in Nkoro River, Niger Delta, Nigeria, Advance Journal of Food Science and Technology 2(1): 36-40, 2010

Dunbabin, M., Alistair G. and J. Udy (2009) An Autonomous Surface Vehicle for Water Quality Monitoring Autonomous Systems Laboratory, CSIRO ICT Centre, P.O. Box 883, Kenmore, QLD 4069, Australia.

Get a bearing. Accessed from the world wide web on 14th June,2010 at

Great circle.Accessed from the world wide web on 18th July 2010 at

Haversine formula. Accessed from the world wide web on 8th July,2010 at

Haversine formula.Accessed from the world wide web on 14th June 2010 at

J. Bouffard,1 S. Vignudelli,2 P. Cipollini,3 and Y. Menard (2008) Exploiting the potential of an improved multimissionaltimetric data set over the coastal ocean. Geophysical research letters, vol. 35, l10601, 2008

Latitude and Longitude general information. Accessed from the world wide web on 11th June 2010 at

Mathematics<math.h>.Accessed from the world wide web on 25th June,2010 at

Rogue robotic [online]

What is latitude and longitude. Accessed from the world wide web on 18th July 2010 at

What is programming? Accessed from the world wide web on 18th July 2010 at

Yuan, J., Dagg, M. J., Del Castillo C. E (2005) In-pixel variations of chl a fluorescence in the Northern Gulf of Mexico and their implications for calibrating remotely sensed chl a and other products. Department of Marine Science, University of Southern Mississippi, USA