A review on IPMC material as actuators and sensors: Fabrications, characteristics and applications

International Journal of Precision Engineering and Manufacturing

Volumn 13, Issue 1, 2012, Pages 141-163

  Bhandari, Binayak ^a   Lee, Gil Yong ^a   Ahn, Sung Hoon ^a  

^a Seoul National University   (South Korea)

Author keywords

Electro active polymer; Electrodes; Ion exchange polymer; IPMC actuator; Sensors; Transfer function

Indexed keywords

BIOCOMPATIBILITY; ELECTRODES; ELECTRONICS PACKAGING; ELECTROOPTICAL MATERIALS; FABRICATION; ION EXCHANGE; MECHANICAL ACTUATORS; POLYMERS; SENSORS; TRANSFER FUNCTIONS;

ACTUATORS AND SENSORS; CONTROL APPLICATIONS; ELECTRO-ACTIVE POLYMERS; EXCHANGE POLYMERS; IONIC POLYMER METAL COMPOSITES; IPMC ACTUATORS; MECHANICAL CHARACTERISTICS; MECHANICAL ENERGIES;

PROCESS CONTROL;

EID: 84861847852     PISSN: 22347593     EISSN: 20054602     Source Type: Journal    
DOI: 10.1007/s12541-012-0020-8     Document Type: Review

References (104)

1. Alici, G., Spinks, G., Huynh, N. N., Sarmadi, L. and Minato, R., "Establishment of a biomimetic device based on tri-layer polymer actuators-propulsion fins, " Bioinspir. Biomim., Vol. 2, No. 2, pp. 18-30, 2007.
2. McGovern, S., Alici, G., Truong, V.-T. and Spinks, G., "Finding NEMO (novel electromaterial muscle oscillator): a polypyrrole powered robotic fish with real-time wireless speed and directional control, " Smart Mater. Struct., Vol. 18, No. 9, pp. 1-11, 2009.
3. Alici, G. and Higgins, M. J., "Normal stiffness calibration of microfabricated tri-layer conducting polymer actuators, " Smart Mater. Struct., Vol. 18, No. 6, pp. 1-10, 2009.
4. Bar-Cohen, Y. and Zhang, Q., "Electroactive Polymer Actuators and Sensors, " MRS Bulletin, Vol. 33, No. 3, pp. 173-181, 2008.
5. Bar-Cohen, Y., "Electroactive Polymer (EAP) Actuators as Artificial Muscles: Reality, Potential, and Challenges, 2nd ed., " SPIE Publications, 2004.
6. Bar-Cohen, Y., Bao, X., Sherrit, S. and Lih, S.-S., "Characterization of the Electromechanical Properties of Ionomeric Polymer-Metal Composite (IPMC), " SPIE Smart Structures and Materials: EAPAD Conference, Vol. 4695, pp. 1-8, 2002.
7. Oguro, K., Kawami, Y. and Takenaka, H., "Bending of an ionconducting polymer film-electrode composite by an electric stimulus at low voltage, " Trans. Journal of Micromachine Society, Vol. 5, pp. 27-30, 1992.
8. Shahinpoor, M., "Conceptual design, kinematics and dynamics of swimming robotic structures using ionic polymeric gel muscles, " Smart Mater. Struct., Vol. 1, No. 1, pp. 91-94, 1992.
9. Sadeghipour, K., Salomon, R. and Neogi, S., "Development of a novel electrochemically active membrane and 'smart' material based vibration sensor/damper, " Smart Mater. Struct., Vol. 1, No. 2, pp. 172-179, 1992.
10. Grodzinsky, A. J., "Electromechanics of deformable polyelectrolyte membranes, " Ph.D. Thesis, Electrical Engineering, Massachusetts Institute of Technology, 1974.
11. Kim, S. J., Lee, I. T. and Kim, Y. H., "Performance enhancement of IPMC actuator by plasma surface treatment, " Smart Mater. Struct., Vol. 16, No. 1, pp. N6-N11, 2007.
12. Bar-Cohen, Y., "Electroactive polymers as artificial musclescapabilities, potentials and challenges, " NTS Inc., pp. 1-12, 2000.
13. Hunter, I. W. and Lafontaine, S., "A comparison of muscle with artificial actuators, " Technical digest of the IEEE solid state sensor and actuator workshop, pp. 178-185, 1992.
14. Kim, H.-I., Kim, D.-K. and Han, J.-H., "Study of flapping actuator modules using IPMC, " SPIE 14th Annual Symposium Smart Structures and Materials, Vol. 6524, Paper No. 65241A, 2007.
15. Nemat-Nasser, S. and Li, J. Y., "Electromechanical response of ionic polymer-metal composites, " J. Appl. Phys., Vol. 87, No. 7, pp. 3321-3331, 2000.
16. Shahinpoor, M., Bar-Cohen, Y., Simpson, J. O. and Smith, J., "Ionic polymer-metal composites (IPMCs) as biomimetic sensors, actuators and artificial muscles-a review, " Smart Mater. Struct., Vol. 7, No. 6, pp. 15-30, 1998.
17. Pugal, D., Jung, K. M., Aabloo, A. and Kim, K. J., "Ionic polymer-metal composite mechanoelectrical transduction: review and perspectives, " Polym. Int., Vol. 59, No. 3, pp. 279-289, 2010.
18. Paddison, S. J., Reagor, D. W. and Zawodzinski, T. A., "High frequency dielectric studies of hydrated Nafion®, " J. Electroanal. Chem., Vol. 459, No. 1, pp. 91-97, 1998.
19. Porfiri, M., "Charge dynamics in ionic polymer metal composites, " J. Appl. Phys., Vol. 104, No. 10, Paper No. 104915, 2008.
20. Eisenberg, A. and King, M., "Ion-Containing Polymers: Physical Properties and Structure, " Academic Press, 1977.
21. Eisenbert, A. and Bailey, F. E., "Coulombic Interactions in Macromolecular Systems, " American Chemical Society, 1986.
22. Kim, K. J. and Shahinpoor, M., "Ionic polymer-metal composites: II. Manufacturing techniques, " Smart Mater. Struct., Vol. 12, No. 1, pp. 65-79, 2003.
23. Oguro, K., "Ion-Exchange Polymer Metal Composites (IPMC) Membranes, " http://ndeaa.jpl.nasa.gov/nasa-nde/ lommas/eap/IPMC_PrepProcedure.htm
24. Shahinpoor, M. and Kim, K. J., "Novel ionic polymer-metal composites equipped with physically loaded particulate electrodes as biomimetic sensors, actuators and artificial muscles, " Sens. Actuators A: Physical, Vol. 96, No. 2-3, pp. 125-132, 2002.
25. Lee, S. J., Han, M. J., Kim, S. J., Jho, J. Y., Lee, H. Y. and Kim, Y. H., "A new fabrication method for IPMC actuators and application to artificial fingers, " Smart Mater. Struct., Vol. 15, No. 5, pp. 1217-1224, 2006.
26. DuPont, "Safe Handling and Use of Perfluorosulfonic Acid Products, " DE 19880-0701, 2009.
27. Kim, B. K., Kim, B. M., Ryu, J. W., Oh, I.-H., Lee, S.-K., Cha, S.-E. and Pak, J. H., "Analysis of mechanical characteristics of the ionic polymer metal composite (IPMC) actuator using cast ion-exchange film, " Proc. of SPIE, Vol. 5051, pp. 486-495, 2003.
28. Chung, C. K., Fung, P. K., Hong, Y. Z., Ju, M. S., Lin, C. C. K. and Wu, T. C., "A novel fabrication of ionic polymer-metal composites (IPMC) actuator with silver nano-powders, " Sens. Actuators B: Chemical, Vol. 117, No. 2, pp. 367-375, 2006.
29. Chung, R., Chin, T., Chen, L. and Hsieh, M., "Preparation of gradually componential metal electrode on solution-casted Nafion™ membrane, " Biomol. Eng., Vol. 24, No. 5, pp. 434-437, 2007.
30. Zhang, Y., Ma, C. and Dai, L., "Electrode Preparation and Electro-deformation of Ionic Polymer-metal Composite (IPMC), " 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, pp. 68-71, 2007.
31. Johnson, T. and Amirouche, F., "Multiphysics modeling of an IPMC microfluidic control device, " Microsyst. Technol., Vol. 14, No. 6, pp. 871-879, 2008.
32. Siripong, M., Fredholm, S., Nguyen, Q. A., Shih, B., Itescu, J. and Stolk, J., "A cost-effective fabrication method for ionic polymer-metal composites, " Materials Research Society Symposium Proceedings, Vol. 889, pp. 139-144, 2006.
33. Akle, B. J., Leo, D. J., Hickner, M. A. and Mcgrath, J. E., "Correlation of capacitance and actuation in ionomeric polymer transducers, " J. Mater. Sci., Vol. 40, No. 14, pp. 3715-3724, 2005.
34. Takenaka, H., Torikai, E., Kawami, Y. and Wakabayashi, N., "Solid Polymer Electrolyte Water Electrolysis, " Int. J. Hydrogen Energy, Vol. 7, No. 5, pp. 397-403, 1982.
35. Nemat-Nasser, S. and Wu, Y., "Comparative experimental study of ionic polymer-metal composites with different backbone ionomers and in various cation forms, " J. Appl. Phys., Vol. 93, No. 9, pp. 5255-5267, 2003.
36. Nakamura, T., Ihara, T., Horiuchi, T., Mukai, T. and Asaka, K., "Measurement and Modeling of Electro-Chemical Properties of Ion Polymer Metal Composite by Complex Impedance Analysis, " SICE JCMSI, Vol. 2, No. 6, pp. 373-378, 2009.
37. Cilingir, H. D. and Papila, M., "'Equivalent' Electromechanical Coefficient for IPMC Actuator Design Based on Equivalent Bimorph Beam Theory, " EXME, Vol. 50, No. 8, pp. 1157-1168, 2010.
38. Shahinpoor, M., "Ionic polymer-conductor composites as biomimetic sensors, robotic actuators and artificial muscles: a review, " Electrochim. Acta, Vol. 48, No. 14-16, pp. 2343-2353, 2003.
39. Zamani, S. and Nemat-Nasser, S., "Controlled actuation of Nafion-based ionic polymer-metal composites (IPMCs) with ethylene glycol as solvent, " Proc. of SPIE, Vol. 5385, pp. 159-163, 2004.
40. Onishi, K., Sewa, S., Asaka, K., Fujiwara, N. and Oguro, K., "Bending response of polymer electrolyte actuator, " Smart Structures and Materials 2000: Electroactive Polymer Actuators and Devices (EAPAD), Vol. 3987, pp. 121-128, 2000.
41. Bennett, M., "Ionic liquids as stable solvents for ionic polymer transducers, " Sens. Actuators A: Physical, Vol. 115, No. 1, pp. 79-90, 2004.
42. Sutto, T. E., Trulove, P. C. and De Long, H. C., "Investigations of the effects of lithium ion and polymer type on the electrochemical behavior of ionic liquid/polymer gel electrolytes, " Proc. of the 13th International Symposium on Molten Salts, 2002.
43. Lee, J. H., Oh, J. S., Jeong, G. H., Lee, J. Y., Yoon, B. R., Jho, J. Y. and Rhee, K. H., "New Computational Model for Predicting the Mechanical Behavior of Ionic Polymer Metal Composite (IPMC) Actuators, " Int. J. Precis. Eng. Manuf., Vol. 12, No. 4, pp. 737-740, 2011.
44. Yun, S., Kim, J. and Song, C., "Performance of Electro-active paper actuators with thickness variation, " Sens. Actuators A: Physical, Vol. 133, No. 1, pp. 225-230, 2007.
45. Shahinpoor, M. and Kim, K. J., "Ionic polymer-metal composites: I. Fundamentals, " Smart Mater. Struct., No. 10, No. 4, pp. 819-833, 2001.
46. Abe, Y., Mochizuki, A., Kawashima, T., Yamashita, S., Asaka, K. and Oguro, K., "Effect on bending behavior of counter cation species in perfluorinated sulfonate membrane-platinum composite, " Polymer. Adv. Tech., Vol. 9, No. 8, pp. 520-526, 1998.
47. Onishi, K., Sewa, S., Asaka, K., Fujiwara, N. and Oguro, K., "The effects of counter ions on characterization and performance of a solid polymer electrolyte actuator, " Electrochim. Acta, Vol. 46, No. 8, pp. 1233-1241, 2001.
48. Lee, S.-G., Park, H.-C., Pandita, S. D. and Yoo, Y., "Performance Improvement of IPMC (Ionic Polymer Metal Composites) for a Flapping Actuator, " Int. J. Control Autom. Syst., Vol. 4, No. 6, pp. 748-755, 2006.
49. Shahinpoor, M. and Kim, K. J., "The effect of surfaceelectrode resistance on the performance of ionic polymermetal composite (IPMC) artificial muscles, " Smart Mater. Struct., Vol. 9, No. 4, pp. 543-551, 2000.
50. De Gennes, P. G., Okumura, K., Shahinpoor, M. and Kim, K. J., "Mechanoelectric effects in ionic gels, " Europhys. Lett., Vol. 50, No. 4, pp. 513-518, 2000.
51. Barramba, J., Silva, J. and Costabranco, P., "Evaluation of dielectric gel coating for encapsulation of ionic polymer-metal composite (IPMC) actuators, " Sens. Actuators A: Physical, Vol. 140, No. 2, pp. 232-238, 2007.
52. Shahinpoor, M., Bar-Cohen, Y., Xue, T., Simpson, J. O. and Smith, J., "Ionic Polymer-Metal Composites (IPMC) as Biomimetic Sensors and Actuators, " Proc. of SPIE's 5th Annual International Symposium on Smart Structures and Materials, pp. 1-21, 1998.
53. Chen, Z. and Tan, X., "A Control-Oriented and Physics-Based Model for Ionic Polymer-Metal Composite Actuators, " IEEE/ASME Transactions on Mechatronics, Vol. 13, No. 5, pp. 519-529, 2008.
54. Bandopadhya, D., "Derivation of Transfer Function of an IPMC Actuator Based on Pseudo-Rigid Body Model, " J. Reinf. Plast. Compos., Vol. 29, No. 3, pp. 372-390, 2010.
55. Bandopadhya, D., Bhattacharya, B. and Dutta, A., "Pseudorigid Body Modeling of IPMC for a Partially Compliant Fourbar Mechanism for Work Volume Generation, " J. Intell. Mater. Syst. Struct., Vol. 20, No. 1, pp. 51-61, 2008.
56. Bandopadhya, D. and Njuguna, J., "Estimation of bending resistance of Ionic Polymer Metal Composite (IPMC) actuator following variable parameters pseudo-rigid body model, " Mater. Lett., Vol. 63, No. 9-10, pp. 745-747, 2009.
57. Bao, X., Bar-Cohen, Y., Chang, Z. and Stewart, S., "Numerical modeling of single-layer electroactive polymer mirrors for space applications, " Proc. of SPIE, Vol. 5051, pp. 381-388, 2003.
58. Brunetto, P., Fortuna, L., Graziani, S. and Strazzeri, S., "A model of ionic polymer-metal composite actuators in underwater operations, " Smart Mater. Struct., Vol. 17, No. 2, Paper No. 025029, 2008.
59. Chen, Z., Tan, X., Will, A. and Ziel, C., "A dynamic model for ionic polymer-metal composite sensors, " Smart Mater. Struct., Vol. 16, No. 4, pp. 1477-1488, 2007.
60. Farinholt, K. and Leo, D. J., "Modeling of electromechanical charge sensing in ionic polymer transducers, " Mech. Mater., Vol. 36, No. 5-6, pp. 421-433, 2004.
61. Franklin, J. W., "Electromechanical Modeling of Encapsulated Ionic Polymer Transducers, " M. Sc. Thesis, Mechanical Engineering, Virginia Polytechnic Institute and State University, 2003.
62. Ji, A.-H., Park, H. C., Nguyen, Q. V., Lee, J. W. and Yoo, Y. T., "Verification of Beam Models for Ionic Polymer-Metal Composite Actuator, " J. Bionic Eng., Vol. 6, No. 3, pp. 232-238, 2009.
63. Kanno, R., Tadokoro, S., Takamori, T. and Hattori, M., "Linear Approximate Dynamic Model of ICPF (Ionic Conducting Polymer Gel Film) Actuator, " Proc. of the 1996 IEEE International Conference on Robotics and Automation, pp. 219-225, 1996.
64. Lee, S., "Modeling of an IPMC Actuator-driven Zero-Net-Mass-Flux Pump for Flow Control, " J. of Intell. Mater. Syst. and Struct., Vol. 17, No. 6, pp. 533-541, 2006.
65. Lee, S., Park, H. C. and Kim, K. J., "Equivalent modeling for ionic polymer-metal composite actuators based on beam theories, " Smart Mater. Struct., Vol. 14, No. 6, pp. 1363-1368, 2005.
66. Lughmani, W. A., Jho, J. Y., Lee, J. Y. and Rhee, K., "Modeling of Bending Behavior of IPMC Beams Using Concentrated Ion Boundary Layer, " Int. J. Precis. Eng. Manuf., Vol. 10, No. 5, pp. 131-139, 2009.
67. McDaid, A. J., Aw, K. C., Haemmerle, E. and Xie, S. Q., "A conclusive scalable model for the complete actuation response for IPMC transducers, " Smart Mater. Struct., Vol. 19, No. 7, Paper No. 075011, 2010.
68. Newbury, K. M. and Leo, D. J., "Electromechanical Modeling and Characterization of Ionic Polymer Benders, " J. of Intell. Mater. Syst. and Struct., Vol. 13, No. 1, pp. 51-60, 2002.
69. Newbury, K. M. and Leo, D. J., "Linear Electromechanical Model of Ionic Polymer Transducers-Part I: Model Development, " J. of Intell. Mater. Syst. and Struct., Vol. 14, No. 6, pp. 333-342, 2003.
70. Newbury, K. M. and Leo, D. J., "Linear Electromechanical Model of Ionic Polymer Transducers-Part II: Experimental Validation, " J. of Intell. Mater. Syst. and Struct., Vol. 14, No. 6, pp. 343-357, 2003.
71. Punning, A., Johanson, U., Anton, M., Aabloo, A. and Kruusmaa, M., "A Distributed Model of Ionomeric Polymer Metal Composite, " J. of Intell. Mater. Syst. and Struct., Vol. 20, No. 14, pp. 1711-1724, 2009.
72. Shahinpoor, M. and Kim, K. J., "Ionic polymer-metal composites: III. Modeling and simulation as biomimetic sensors, actuators, transducers, and artificial muscles, " Smart Mater. Struct., Vol. 13, No. 6, pp. 1362-1388, 2004.
73. Nemat-Nasser, S., "Micromechanics of actuation of ionic polymer-metal composites, " J. Appl. Phys., Vol. 92, No. 5, pp. 2899-2915, 2002.
74. Kanno, R., Kurata, A., Hattori, M., Tadokoro, S., Takamori, T. and Oguro, K., "Characteristics and modeling of ICPF actuators, " Japan-USA Symposium on Flexible Automation, pp. 691-698, 1994.
75. Chen, Z., Shen, Y., Xi, N. and Tan, X., "Integrated sensing for ionic polymer-metal composite actuators using PVDF thin films, " Smart Mater. Struct., Vol. 16, No. 2, pp. S262-S271, 2007.
76. Akle, B. and Leo, D. J., "Electromechanical transduction in multilayer ionic transducers, " Smart Mater. Struct., Vol. 13, No. 5, pp. 1081-1089, 2004.
77. Newbury, K. M. and Leo, D. J., "Electrically induced permanent strain in ionic polymer-metal composite actuators, " Proc. of SPIE, Vol. 4695, pp. 67-77, 2002.
78. Bhat, N. and Kim, W.-J., "Precision force and position control of an ionic polymer metal composite, " Proc. of Int. Mech. Eng., Part I: J. of Syst. and Control Eng., Vol. 218, No. 6, pp. 421-432, 2004.
79. Oh, S.-J. and Kim, H., "A study on the control of IPMC actuator using an adaptive fuzzy algorithm, " J. Mech. Sci. Technol., Vol. 18, No. 1, pp. 1-11, 2004.
80. Kothera, C. S. and Leo, D. J., "Position Control of a Squareplate Ionic Polymer Actuator Using Output Feedback, " J. of Intell. Mater. Syst. and Struct., Vol. 18, No. 3, pp. 219-234, 2007.
81. Mallavarapu, K. and Leo, D. J., "Feedback Control of the Bending Response of Ionic Polymer Actuators, " J. of Intell. Mater. Syst. and Struct., Vol. 12, No. 3, pp. 143-155, 2001.
82. Mallavarapu, K., Newbury, K. and Leo, D. J., "Feedback Control of the Bending Response of Ionic Polymer-Metal Composite Actuators, " Proc. of SPIE, Vol. 4329, pp. 301-310, 2001.
83. Kothera, C. S. and Leo, D. J., "Bandwidth Characterization in the Micropositioning of Ionic Polymer Actuators, " J. of Intell. Mater. Syst. and Struct., Vol. 16, No. 1, pp. 3-13, 2005.
84. Richardson, R. C., Levesley, M. C., Brown, M. D., Hawkes, J. A., Watterson, K. and Walker, P. G., "Control of Ionic Polymer Metal Composites, " IEEE/ASME Transactions on Mechatronics, Vol. 8, No. 2, pp. 245-253, 2003.
85. Punning, A., Kruusmaa, M. and Aabloo, A., "A self-sensing ion conducting polymer metal composite (IPMC) actuator, " Sens. Actuators A: Physical, Vol. 136, No. 2, pp. 656-664, 2007.
86. Hunt, A., Chen, Z., Tan, X. and Kruusmaa, M., "Control of an Inverted Pendulum Using an Ionic Polymer-Metal Composite Actuator, " IEEE/ASME International Conference on Advanced Intelligent Mechatronics, pp. 163-168, 2010.
87. Peng, H. M., Ding, Q. J., Hui, Y., Li, H. F. and Zhao, C. S., "Three nonlinear performance relationships in the start-up state of IPMC strips based on finite element analysis, " Smart Mater. Struct., Vol. 19, No. 3, Paper No. 035014, 2010.
88. Bar-Cohen, Y., Leary, S., Yavrouian, A., Oguro, K., Tadokoro, S. T., Harrison, J. S. and Su, J., "Challenges to the application of IPMC as actuators of planetary mechanisms, " Proc. of SPIE's 7th Annual International Symposium on Smart Structures and Materials, Vol. 3987, pp. 140-146, 2000.
89. Bar-Cohen, Y., Xue, T., Shahinpoor, M., Simpson, J. O. and Smith, J., "Low-mass muscle actuators using electroactive polymers (EAP), " Proc. of SPIE's 5th Annual International Symposium on Smart Structures and Materials, Paper No. 3324-32, 1998.
90. Chew, X. J., Van den Hurk, A. and Aw, K. C., "Characterisation of ionic polymer metallic composites as sensors in robotic finger joints, " Int. J. Biomechatronics Biomed. Robot., Vol. 1, No. 1, pp. 37-43, 2009.
91. Lumia, R. and Shahinpoor, M., "Microgripper design using electroactive polymers, " Proc. of SPIE, Vol. 3669, pp. 322-329, 1999.
92. Lee, S. and Kim, K. J., "Design of IPMC actuator-driven valve-less micropump and its flow rate estimation at low Reynolds numbers, " Smart Mater. Struct., Vol. 15, No. 4, pp. 1103-1109, 2006.
93. Yeom, S.-W. and Oh, I.-K., "A biomimetic jellyfish robot based on ionic polymer metal composite actuators, " Smart Mater. Struct., Vol. 18, No. 8, Paper No. 085002, 2009.
94. Fang, B., Ju, M. and Lin, C., "A new approach to develop ionic polymer-metal composites (IPMC) actuator: Fabrication and control for active catheter systems, " Sens. Actuators A: Physical, Vol. 137, No. 2, pp. 321-329, 2007.
95. Yun, K. and Kim, W.-J., "Microscale position control of an electroactive polymer using an anti-windup scheme, " Smart Mater. Struct., Vol. 15, No. 4, pp. 924-930, 2006.
96. Tadokoro, S., Murakami, T., Fuji, S., Kanno, R., Hattori, M., Takamori, T. and Oguro, K., "An Elliptic Friction Drive Element Using an ICPF Actuator, " Control Systems, Vol. 17, No. 3, pp. 60-68, 1997.
97. Tiwari, R. and Kim, K. J., "Disc-shaped ionic polymer metal composites for use in mechano-electrical applications, " Smart Mater. Struct., Vol. 19, No. 6, Paper No. 065016, 2010.
98. Lee, G. Y., Choi, J. O., Kim, M. and Ahn, S. H., "Fabrication and reliable implementation of an ionic polymer-metal composite (IPMC) biaxial bending actuator, " Smart Mater. Struct., Vol. 20, No. 10, Paper No. 105026, 2011.
99. Yamakita, M., Kamamichi, N., Kaneda, Y., Asaka, K. and Luo, Z.-W., "Development of artificial muscle actuator using ionic polymer with its application to biped walking robots, " Proc. of SPIE, Vol. 5051, pp. 301-308, 2003.
100. Shahinpoor, M. and Kim, K. J., "Ionic polymer-metal composites: IV. Industrial and medical applications, " Smart Mater. Struct., Vol. 14, No. 1, pp. 197-214, 2005.
101. Demont, M. E. and Gosline, J. M., "Mechanics of jet propulsion in the hydromedusan jellyfish, polyorchis pexicillatus: III. A natural resonating bell; the presence and importance of a resonant phenomenon in the locomotor structure, " J. Exp. Biol., Vol. 134, pp. 347-361, 1988.
102. Shahinpoor, M., "Ionic polymeric conductor nanocomposites (IPCNCs) as distributed nanosensors and nanoactuators, " Bioinspir. Biomim., Vol. 3, No. 3, Paper No. 035003, 2008.
103. Kim, B., Ryu, J., Jeong, Y., Tak, Y., Kim, B. and Park, J.-O., "A Ciliary Based 8-Legged Walking Micro Robot Using Cast IPMC Actuators, " Proc. of the 2003 IEEE International Conference on Robotics and Automation, Vol. 3, pp. 2940-2945, 2003.
104. Trivedi, D., Rahn, C., Kier, W. and Walker, I., "Soft robotics: Biological inspiration, state of the art, and future research, " Appl. Bionics Biomech., Vol. 5, No. 3, pp. 99-117, 2008.