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Mini-DAQ: A lightweight, low-cost, high resolution, data acquisition system for wave energy converter testing.

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Summary

Developing a low-cost, open-source data acquisition system aids wave energy converter (WEC) developers in scaled testing. This solution addresses a key barrier, facilitating concept validation and commercialization for those with limited resources.

Keywords:
Data loggingElectrical engineeringEnergyEtherCATOpen hardwareRenewable energySystem monitoringWave energy

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Area of Science:

  • Marine Engineering
  • Renewable Energy Systems
  • Hydrodynamics

Background:

  • Scaled testing is crucial for wave energy converter (WEC) development, including concept proof, hydrodynamic studies, and control system validation.
  • Existing data acquisition systems for scaled WEC testing can be prohibitively expensive, small, and heavy, posing a significant barrier for developers with limited budgets.
  • Accessibility to affordable and adaptable testing equipment is essential for advancing WEC technology and promoting commercialization.

Purpose of the Study:

  • To present an open-source, low-cost, small, and lightweight data acquisition system tailored for scaled wave energy converter (WEC) testing.
  • To overcome the financial and logistical barriers associated with specialized testing equipment for WEC developers.
  • To provide a customizable solution that supports the validation of WEC concepts, hydrodynamic performance, and control strategies.

Main Methods:

  • Development of an open-source data acquisition system architecture.
  • Design considerations focused on low cost, small size, and light weight.
  • Implementation of a customizable framework to accommodate diverse WEC testing requirements.

Main Results:

  • A functional open-source data acquisition system prototype has been developed.
  • The system is designed to be cost-effective and easily adaptable for various scaled WEC testing scenarios.
  • The solution effectively addresses the identified barriers in scaled testing for WEC developers.

Conclusions:

  • The proposed open-source data acquisition system offers a viable and accessible solution for scaled wave energy converter (WEC) testing.
  • This development empowers WEC developers, particularly those with limited resources, to conduct essential validation and move towards commercialization.
  • The customizable nature of the system ensures its broad applicability across different WEC designs and research objectives.