Дисертації з теми "Ionic Polymer Metal Composites (IPMC)"
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Yusuf, Suhaila Mohamad. "Development of an ionic polymer metal composite (IPMC) microgripper." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.550855.
Повний текст джерелаBhat, Nikhil Dilip. "Modeling and precision control of ionic polymer metal composite." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1152.
Повний текст джерелаMudigonda, Ashwin. "Static and Dynamic Characterization of Ionic Polymer Metal Composites - 'Artificial Muscles'." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1142538201.
Повний текст джерелаDogruer, Deniz. "The development of a hydrodynamic model for the segmented ionic polymer metal composite (IPMC) for underwater applications and the potential use of IPMCs for energy harvesting." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1438915.
Повний текст джерелаNajem, Joseph Samih. "Design and Development of a Bio-inspired Robotic Jellysh that Features Ionic Polymer Metal Composites Actuators." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/32197.
Повний текст джерелаMaster of Science
Tiwari, Rashi. "Modeling and characterization of the mechanoelectric response of ionic polymer metal composite (IPMC) energy harvesters." abstract and full text PDF (UNR users only), 2009. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3387826.
Повний текст джерелаMallavarapu, Kiran. "Feedback Control of Ionic Polymer Actuators." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/34154.
Повний текст джерелаMaster of Science
Vickers, Jason Aaron. "The development and implementation of an ionic-polymer-metal-composite propelled vessel guided by a goal-seeking algorithm." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/5936.
Повний текст джерелаJain, Vaibhav. "Applications of Layer-by-Layer Films in Electrochromic Devices and Bending Actuators." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/28907.
Повний текст джерелаPh. D.
Park, Jong Keun. "Anisotropic Morphologies and Properties in Perfluorosulfonate Ionomer-Based Materials." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/40486.
Повний текст джерелаPh. D.
Griffiths, David John. "Development of Ionic Polymer Metallic Composites as sensors." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/35676.
Повний текст джерелаMaster of Science
LERONNI, ALESSANDRO. "Modeling the electrochemo-poromechanics of ionic polymer metal composites and cell clusters." Doctoral thesis, Università degli studi di Brescia, 2021. http://hdl.handle.net/11379/544093.
Повний текст джерелаSkinner, Anna Penn. "Ion Conducting Polyelectrolytes in Conductive Network Composites and Humidity Sensing Applications for Ionic Polymer-Metal Composite Actuators." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71683.
Повний текст джерелаMaster of Science
Wu, Yongxian. "Experimental characterization and modeling of ionic polymer-metal composites as biomimetic actuators, sensors, and artificial muscles /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3167842.
Повний текст джерелаBrufau, Penella Jordi. "Smart materials for microrobotics motion control and power harvesting." Doctoral thesis, Universitat de Barcelona, 2009. http://hdl.handle.net/10803/1512.
Повний текст джерелаFirst of all in this thesis the use of piezoelectric polymers and ionic polymers as materials for motion control of microrobots is studied. Their flexibility opens the door to new applications for microrobot systems as is the case of biomimetics. The first application regards the use of piezoelectric polymers in insect-like mm3 microrobot. The microrobot is composed with three legs and one antenna or tool for object collision based on piezoelectric polymers. The object collision tool is used as a sensor for motion control to avoid collisions with other objects. The work presented consists on the development of theoretical models to predict the motion of he leg and the tool of the microrobot. The second application regards the development of a control system for controlling the motion of an ionic polymer IPMC underwater. It is difficult to obtain physical models that describe the motion of these materials, thus it is important to design control strategy to work with IPMCs. Furthermore in this thesis, the problem of manufacturing electrodes for IPMC is also treated.
In the second part of the thesis the use of piezoelectric ceramics to harvest power from mechanical vibrations is studied. Piezoelectric ceramics have higher energy densities compared with other methods for power harvesting from vibrations. In comparison with the piezoelectric polymers, the piezoelectric ceramics produce voltages and current levels more acceptable. From the study performed in this thesis the conditions for a maximum power generation are obtained and an optimum electronic circuit for energy storage and management is designed. At the end of the thesis the capabilities to harvest power using ionic polymers are studied.
KEY WORDS: Smart Materials, Microrobotic, Harvesting, Motion Control, Fonic Polimer, FPMC Piezoelectric, Modelling
Aquesta tesis es centra en l'ús de materials "smart" o intel·ligents en aplicacions de microrobòtica. Al llarg de la tesi treballem amb tres famílies de materials "smart" diferents: les ceràmiques piezoelèctriques, els polímers piezoelèctrics i els polímers iònics coneguts com Ionic Polymer Metal Composites (IPMC). Aquests materials tenen en comú que al aplica'ls-hi un camp elèctric pateixen una deformació mecànica mentre que si els sotmetem a una deformació mecànica, aquests materials pateixen una variació en la seva càrrega elèctrica interna. Degut a aquestes propietats aquests materials poden ser utilitzats com a sensors o com a actuadors.
A la primera part de la tesi estudiem l'ús dels polímers piezoelèctrics i dels polímers iònics per al control del moviment dels microrobots. La primera aplicació que es presenta tracta d'un microrobot de dimensions mm3 que utilitza els polímers piezoelèctrics com a potes i com a sensors de col·lisió. Tot seguit presentem una aplicació a on els IPMCs són utilitzats com a microposicionadors treballant sota de l'aigua.
A la segona part de la tesis estudiem la viabilitat d'utilitzar les ceràmiques piezoelèctriques i els polímers iònics per a generar energia a partir de vibracions mecàniques residuals ambientals. L'estudi presentat determina els nivells de potència generats i les condicions òptimes per a la generació de la màxima potencia.
Yan, Y. "NOVEL ELECTROACTIVE SOFT ACTUATORS BASED ON IONIC GEL/GOLD NANOCOMPOSITES PRODUCED BY SUPERSONIC CLUSTER BEAM IMPLANTATION." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/464973.
Повний текст джерелаTsao, Chih-Hao, and 曹志豪. "Application of Ionic Polymer-Metal Composites (IPMC) Actuator Application of Ionic Polymer-Metal Composites (IPMC) Actuatr for Implantable Drug Delivery System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/78109324905158746112.
Повний текст джерела中原大學
醫學工程研究所
97
Ionic polymer-metal composites (IPMC) are a kind of electroactive polymer (EAP) that has been used for various applications, such as artificial muscles, sensors and actuators, because of its light weight and ability to make more than 100% bending deformation under low driving voltage. In this study, an IPMC actuator was incorporated into a self-designed device for application as an implantable drug delivery system. First, IPMC films with different thickness, dimensions and metal electrodes were constructed. The second step required a basic measurement of the IPMC actuation performance, including displacement and output force. A third step utilized a closed-loop PID controller to solve the unrepeatable characteristics of an IPMC in the open-loop position response. Finally, an IPMC actuator was incorporated into a design of a drug delivery device and its drug delivery performance consequently studied. A variety of IPCM films having different thickness (200、100 and 50 μm)、dimensions (3×1、3×0.5 cm2) and metal materials (Au and Pt) were successfully fabricated. A difference in surface morphology was observed by SEM between gold and platinum electrodes. The actuation performance results showed that the gold electrode was better then platinum electrode of IPMC. Furthermore, as the thickness of the IPMC film increased, the bending displacement decreased but the output force result is opposite to the displacement because the stiffness of IPMC film. Moreover, the performance results both increased as the applied voltage was increased. With the use of the PID control, results showed an improvement of the performance ability that can reach the setpoint of 1, 2, 3 mm. Lastly, drug delivery tests combining hydrogel, IPMC and drug delivery device revealed unsatisfactory results. In the future, a more in depth discussion about the device performance in drug release test, like how much force can make hydrogel works, increase the thickness of IPMC films to improve the performance.
Chang, Yi-Chu. "Design and Implementation of an Ionic-Polymer-Metal-Composite Biomimetic Robot." Thesis, 2013. http://hdl.handle.net/1969.1/149538.
Повний текст джерелаKarthigan, G. "Modelling And Analysis Of Fish Inspired Ionic Polymer Metal Composite Flapping Fins." Thesis, 2012. http://etd.iisc.ernet.in/handle/2005/2282.
Повний текст джерелаArumugam, Jayavel. "Ionic Polymer-Metal Composites: Thermodynamical Modeling and Finite Element Solution." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11192.
Повний текст джерелаWu, Chia-chi, and 吳佳奇. "Fabrication of Micropump and Actuation Simulation of Ionic Polymer-Metal Composites." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/53971945442350503376.
Повний текст джерела中原大學
生物醫學工程研究所
98
The purpose of this study is to utilize lithography technology to fabricate ionic polymer-metal composites (IPMC) microfluidic pump. In addition, a finite element analysis program, i.e. COMSOL Multiphysics 3.5, was used to stimulate the electroactive deformation of IPMC membrane. The experiment was divided into four parts. First, IPMC membrane having different thickness and Pt/Au electrodes were prepared. Second, physical properties of IPMC membrane; the moisture content, the surface resistance and Young’s modulus were measured. Third, a computational model of IPMC membrane was established to evaluate the electroactive performance. The model considered the Fick’s law of ions and water molecules in IPMC membrane, Gaussian’s Law and generlized Hook’s law. Lastly, the IPMC membrane placed above a microfluidic chamber. In the electroless plating of IPMC membrane, an optimal surface resistance of 10 ohm could be reached after at least three cycles of the plating using gold complex salt. The maximum moisture content of IPMC membrane was about 19 to 20 %, and the moisture content and strain was linearly dependent. It was found that the optimal bending displacement of IPMC membrane was obtained in the following condition: wet, 0.1 N NaOH solution. Furthermore, a better displacement can be reached 4.38 mm when the membrane was soaked in o.1 N NaOH solution. The maximum displacements of Au electroded IPMC decreased about 61.5 % after sandwiched IPMC with PDMS membranes. In contrast, that of PDMS-laminated Pt-IPMC decreased to 28.5 % of original one. In the computational model, the IPMC cantilever beam electrically activated under a sine waveform of 3 Volt and 3 Hz showed a 0.7 fold of that of measured displacement. Finally, fabricated IPMC microfluidic pump was able to deliver deionized water under a driving condition of 5 volt and 2 Hz. However, the drawback of the pump was difficult fixed lead fluid leakage easily. This study has demonstrated a potential application of IPMC membrane in the microfluidic pump. It is expected that the performance of the IPMC microfluidic pump could be improved if the drwabacks are addressed, yet the IPMC micropumps are highly applicable to the implantable drug delivery system.
LIU, HONG-YU, and 劉紘瑜. "Test and Research on Ionic Polymer Metal Composites with Magnetic Clamp." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/p62xf9.
Повний текст джерела國立中正大學
機械工程系研究所
107
This paper is mainly to study the process and application of ionic polymer metal composites (IPMC), using the characteristics of rapid deformation and high momentum of components and using magnetic clamps to make different applications and tests. In terms of process, the paper is for IPMC. The actuator's yellow lithography process and component electrode process are fully described. This paper is different from the previous use of traditional wood clips to power the IPMC actuators. The 3D printing fixture is matched with the magnet suction to make appropriate combinations of the component contact surfaces to reduce the possibility of component damage. First, we added a serpentine shape to the zone plate structure, and used IPMC to push the center point to change the focus position. In the infrared analog control part, we used SMD-LED instead of infrared light, and connected the IPMC upper and lower poles with serpentine-shaped connecting wires. Make a lift and take off and light and dark control of the LED lights. Finally, a stretchable grating was fabricated by using PDMS, and the copper clasp was used to bond with the IPMC, and the slit pitch was changed and the position of the light was observed to be shifted.
Fang, Hsuan-Min, and 方璿閔. "Surface Treatment and the Strain Response of Ionic Polymer–Metal Composites for MOEMS Applications." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/06280677453841507242.
Повний текст джерела國立臺灣大學
光電工程學研究所
100
Traditionally, the flexible thin-film device, IPMC, can only be used as an actuator due to its rough metal surface. Our goal is to provide an electro-chemistry optical actuator with smooth mirror surface and a voltage-controlled flexible polymer substrate for reconfigurable antenna. These are new application in aspect of optical system for free from surfaces and communication device designs just like antenna on micro-electro-mechanical systems (MEMS). When traditional Pt-IPMC is approaching to its optical and mechanical limits, introduction of performance boosters by alternative materials or novel surface treatments has become necessary. With high reflectance, low resistance and low-cost, Cu has become a very promising candidate to be used in MEOMES. In this thesis, by a low-temperature process, including adhesion metal electrode bonding and surface treatments, high-quality Cu electrodes were successfully integrated onto flexible N117 substrates by effective electroless deposition process. It was found that the insertion loss (I.L.) of Cu electrodes with N117 substrates was dramatically decreased for the 1550nm incidence infrared. Additionally, the optical characters of surface roughness (Rq) for thin IPMC film would be characterized by optical white-light interferometer to produce high quality two-dimensional surface maps of the IPMC. Moreover, the voltage-controlled flexible polymer substrate for reconfigurable antenna is also an important issue. In this thesis, the actuation resistance and working voltage of the Pt-IPMC antenna with EMI-Tf electrolyte are characterized. Finally, we apply the 1st generation Pt-IPMCs and the 2nd generation Cu-IPMCs on strain response test for mechanical properties measurements. The Young’s modulus of the 2nd generation Cu-IPMC is less than the 1st generation Pt-IPMC, and proper surface treatments also further boost the reflectance enhancement. In addition, N117 substrates exhibit flexible characteristics and provide tremendous chemical stability. These results suggest that the IPMC could be promising for inexpensive MEMS devices and applicable on other large area nanostructure-based optoelectronics devices for MOEMS.