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Related Concept Videos

PD Controller: Design01:26

PD Controller: Design

In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...

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Related Experiment Video

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Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
05:21

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Published on: January 7, 2019

Bidirectional telemetry controller for neuroprosthetic devices.

Vishnu Sharma1, Douglas B McCreery, Martin Han

  • 1Neural Engineering Program, Huntington Medical Research Institutes, Pasadena, CA 91105, USA. vishnu_vds@yahoo

IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|November 26, 2009
PubMed
Summary
This summary is machine-generated.

A new programmable controller enhances neuroprosthetic devices with bidirectional data telemetry. This cost-effective, user-friendly system enables real-time control and data acquisition for advanced research applications.

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Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Device Engineering

Background:

  • Neuroprosthetic devices require reliable and versatile control systems.
  • Existing systems often lack bidirectional data telemetry and ease of use.
  • Advancements in miniaturization and wireless communication offer new possibilities.

Purpose of the Study:

  • To develop and present a versatile, multifunctional, programmable controller for neuroprosthetic applications.
  • To enable bidirectional data telemetry for real-time control and data acquisition.
  • To enhance convenience, reliability, and ease-of-use in neuroprosthetic devices.

Main Methods:

  • Implementation using commercial microchips and standard Bluetooth protocol.
  • Development of a 190 g controller with bidirectional telemetry at 500 kb/s.
  • Inclusion of 16-channel current-controlled stimulation, customizable waveforms, and artifact blanking circuitry.

Main Results:

  • The controller operates for 8 hours on a single charge, consuming 420 mW.
  • Demonstrated real-time control of stimulation parameters and viewing of acquired data.
  • Successfully tested in a feline model of brainstem auditory prosthesis, recording evoked neuronal activity.

Conclusions:

  • The developed controller offers flexibility, scalability, and cost-efficiency for neuroprosthetic research.
  • Its user-friendly interface and features facilitate diverse animal testing applications.
  • This technology advances the capabilities of neuroprosthetic devices for research and development.