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Modular multi-channel high voltage arbitrary waveform generator and imaging setup for dielectric elastomer actuator

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Summary
This summary is machine-generated.

This study introduces a versatile, multi-channel high-voltage source system for controlling and monitoring electrostatic actuators. The setup simultaneously generates arbitrary waveforms, senses voltage/current, and captures high-speed video for detailed characterization.

Keywords:
Arbitrary waveformArduinoDAQDEAHigh voltageMulti-channel

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Area of Science:

  • Electrical Engineering
  • Materials Science
  • Robotics

Background:

  • Multi-channel high-voltage sources are critical for controlling electrostatic adhesion, electrophoresis, and artificial muscles like piezoelectric, HASEL, and DEAs.
  • Simultaneous monitoring of actuator states via imaging or electrical sensing is essential for accurate behavior characterization.

Purpose of the Study:

  • To design and present a versatile characterization setup for multi-channel high-voltage applications.
  • To enable simultaneous generation of arbitrary high-voltage waveforms and synchronous monitoring of actuator performance.

Main Methods:

  • The setup comprises three modular components: an imaging module (Raspberry Pi, Pi Camera), a data acquisition module (16-bit resolution, 8-channel ADC/DAC), and up to 8 DC-to-HVDC converter boards.
  • The system generates eight 15 kV arbitrary waveforms with specific rise/fall times and synchronously records voltage, current, and high-speed video (120 fps).

Main Results:

  • Successfully designed and implemented a modular, customizable high-voltage characterization setup.
  • Demonstrated capability to generate eight 15 kV arbitrary waveforms and synchronously monitor actuator electrical and visual states.
  • Achieved high-speed video recording at 120 fps for detailed dynamic analysis.

Conclusions:

  • The presented setup offers a versatile and modular solution for precise control and comprehensive characterization of various electrostatic actuators.
  • This system facilitates advanced research and development in fields utilizing artificial muscles and electrostatic phenomena.