Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators

Akle Barbar, Joseph Najem, Leo Donald, John Blotman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

This study presents the design and development of an underwater Jellyfish like robot using Ionic Polymer Metal Composites (IPMCs) as propulsion actuators. For this purpose, IPMCs are manufactured in several variations. First the electrode architecture is controlled to optimize the strain, strain rate, and stiffness of the actuator. Second, the incorporated diluents species are varied. The studied diluents are water, formamide, and 1-ethyl-3-methyimidazolium trifluoromethanesulfonate (EmI-Tf) ionic liquid. A water based IPMC demonstrates a fast strain rate of 1%/s, but small peak strain of 0.3%, and high current of 200mA/cm 2, as compared to an IL based IPMC which has a slow strain rate of 0.1%/s, large strain of 3%, and small current of 50mA/cm 2. The formamide is proved to be the most powerful with a strain rate of approximately 1%/s, peak strain larger than 5%, and a current of 150mA/cm 2. The IL and formamide based samples required encapsulation for shielding the diluents from being dissolved in the surrounding water. Two Jellyfish like robots are developed each with an actuator with different diluents. Several parameters on the robot are optimized, such as the input waveform to the actuators, the shape and material of the belly. The finesse ratio of the shape of the robotic belly is compared with biological jellyfish such as the Aurelia-Aurita.

Original languageEnglish (US)
Title of host publicationElectroactive Polymer Actuators and Devices (EAPAD) 2011
DOIs
StatePublished - May 17 2011
EventElectroactive Polymer Actuators and Devices (EAPAD) 2011 - San Diego, CA, United States
Duration: Mar 7 2011Mar 10 2011

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7976
ISSN (Print)0277-786X

Other

OtherElectroactive Polymer Actuators and Devices (EAPAD) 2011
CountryUnited States
CitySan Diego, CA
Period3/7/113/10/11

Fingerprint

Ionic Polymer-metal Composite
diluents
Strain Rate
robots
strain rate
Strain rate
Actuator
Polymers
Actuators
actuators
Robot
Metals
Robots
Large Strain
composite materials
Composite materials
polymers
Water
metals
water

All Science Journal Classification (ASJC) codes

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Barbar, A., Najem, J., Donald, L., & Blotman, J. (2011). Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators. In Electroactive Polymer Actuators and Devices (EAPAD) 2011 [797624] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7976). https://doi.org/10.1117/12.881993
Barbar, Akle ; Najem, Joseph ; Donald, Leo ; Blotman, John. / Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators. Electroactive Polymer Actuators and Devices (EAPAD) 2011. 2011. (Proceedings of SPIE - The International Society for Optical Engineering).
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title = "Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators",
abstract = "This study presents the design and development of an underwater Jellyfish like robot using Ionic Polymer Metal Composites (IPMCs) as propulsion actuators. For this purpose, IPMCs are manufactured in several variations. First the electrode architecture is controlled to optimize the strain, strain rate, and stiffness of the actuator. Second, the incorporated diluents species are varied. The studied diluents are water, formamide, and 1-ethyl-3-methyimidazolium trifluoromethanesulfonate (EmI-Tf) ionic liquid. A water based IPMC demonstrates a fast strain rate of 1{\%}/s, but small peak strain of 0.3{\%}, and high current of 200mA/cm 2, as compared to an IL based IPMC which has a slow strain rate of 0.1{\%}/s, large strain of 3{\%}, and small current of 50mA/cm 2. The formamide is proved to be the most powerful with a strain rate of approximately 1{\%}/s, peak strain larger than 5{\%}, and a current of 150mA/cm 2. The IL and formamide based samples required encapsulation for shielding the diluents from being dissolved in the surrounding water. Two Jellyfish like robots are developed each with an actuator with different diluents. Several parameters on the robot are optimized, such as the input waveform to the actuators, the shape and material of the belly. The finesse ratio of the shape of the robotic belly is compared with biological jellyfish such as the Aurelia-Aurita.",
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Barbar, A, Najem, J, Donald, L & Blotman, J 2011, Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators. in Electroactive Polymer Actuators and Devices (EAPAD) 2011., 797624, Proceedings of SPIE - The International Society for Optical Engineering, vol. 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011, San Diego, CA, United States, 3/7/11. https://doi.org/10.1117/12.881993

Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators. / Barbar, Akle; Najem, Joseph; Donald, Leo; Blotman, John.

Electroactive Polymer Actuators and Devices (EAPAD) 2011. 2011. 797624 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7976).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - This study presents the design and development of an underwater Jellyfish like robot using Ionic Polymer Metal Composites (IPMCs) as propulsion actuators. For this purpose, IPMCs are manufactured in several variations. First the electrode architecture is controlled to optimize the strain, strain rate, and stiffness of the actuator. Second, the incorporated diluents species are varied. The studied diluents are water, formamide, and 1-ethyl-3-methyimidazolium trifluoromethanesulfonate (EmI-Tf) ionic liquid. A water based IPMC demonstrates a fast strain rate of 1%/s, but small peak strain of 0.3%, and high current of 200mA/cm 2, as compared to an IL based IPMC which has a slow strain rate of 0.1%/s, large strain of 3%, and small current of 50mA/cm 2. The formamide is proved to be the most powerful with a strain rate of approximately 1%/s, peak strain larger than 5%, and a current of 150mA/cm 2. The IL and formamide based samples required encapsulation for shielding the diluents from being dissolved in the surrounding water. Two Jellyfish like robots are developed each with an actuator with different diluents. Several parameters on the robot are optimized, such as the input waveform to the actuators, the shape and material of the belly. The finesse ratio of the shape of the robotic belly is compared with biological jellyfish such as the Aurelia-Aurita.

AB - This study presents the design and development of an underwater Jellyfish like robot using Ionic Polymer Metal Composites (IPMCs) as propulsion actuators. For this purpose, IPMCs are manufactured in several variations. First the electrode architecture is controlled to optimize the strain, strain rate, and stiffness of the actuator. Second, the incorporated diluents species are varied. The studied diluents are water, formamide, and 1-ethyl-3-methyimidazolium trifluoromethanesulfonate (EmI-Tf) ionic liquid. A water based IPMC demonstrates a fast strain rate of 1%/s, but small peak strain of 0.3%, and high current of 200mA/cm 2, as compared to an IL based IPMC which has a slow strain rate of 0.1%/s, large strain of 3%, and small current of 50mA/cm 2. The formamide is proved to be the most powerful with a strain rate of approximately 1%/s, peak strain larger than 5%, and a current of 150mA/cm 2. The IL and formamide based samples required encapsulation for shielding the diluents from being dissolved in the surrounding water. Two Jellyfish like robots are developed each with an actuator with different diluents. Several parameters on the robot are optimized, such as the input waveform to the actuators, the shape and material of the belly. The finesse ratio of the shape of the robotic belly is compared with biological jellyfish such as the Aurelia-Aurita.

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Barbar A, Najem J, Donald L, Blotman J. Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators. In Electroactive Polymer Actuators and Devices (EAPAD) 2011. 2011. 797624. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.881993