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Showing 1 to 20 of 25 for “"IPMC"”.
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Modeling and Optimizing IPMC Microgrippers
… that results from varying the size and shape of IPMC (Ionic Polymer Metal Composite) fingers. Using Comsol Multiphysics and modeFRONTIER, these fingers were modeled and optimized for both force exerted and deflection. Using the Comsol model, we were able to determine the tip deflection and force …
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Mitigating IPMC Back Relaxation Through Feedforward and Feedback Control of Patterned Electrodes
… behavior in ionic polymer-metal composite (IPMC) actuators. With low driving voltage (<5V) and the ability to be operated in aqueous environments, IPMCs have gained great attention in recent years for use in many applications including soft bio-inspired actuators and sensors. There are, …
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Design and Characterization of Sectored (Patterned) IPMC Actuators for Propulsion and Maneuvering in Bio-Inspired Underwater Systems
… performance of ionic polymer-metal composite (IPMCs) propulsors for underwater applications, namely for propelling and maneuvering small bio-inspired autonomous systems. Specifically, this work examines the capabilities of IPMCs with sectored (patterned) electrodes. The electrode pattern on the …
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Modeling, simulation and applications of ionic polymer metal composites
… the behavior of Ionic Polymer Metal Composite (IPMC). The analysis is carried out using commercial software COMSOL. The response of electro actuated IPMC, including the displacement and electric potentials profiles, of the IPMC is numerically calculated. Furthermore, IPMC-fluid interaction is …
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Distributed force model for arbitrarily shaped IMPC actuators
… made of ionic polymer-metal composites (IPMC), a type of electroactive smart material. The model in this thesis couples a finite element force simulation for IPMC with a novel method of performing force measurements for IPMC actuators. The model is capable of predicting the blocked force …
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Advanced Manufacturing of Microengineered Ionic Polymer Metal Composites for Enhanced Sensing Capabilities
Ionic Polymer Metal Composites (IPMCs) are ionic electroactive polymers thatexhibit active and passive actuation, sensing, and energy harvesting capabilities. The composite is comprised of an ionic exchange membrane that is sandwiched between two noble metal electrodes and infused with a polar …
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Development, Analysis, and Comparison of Electromechanical Properties and Electrode Morphology of Ionic Polymer Metal Composites
… Among these, the Ionic Polymer Metal Composites (IPMC), with their large bending deformation and relaxation characteristics at very low voltages are attractive as transducers in many areas of application. The actuation and sensing properties of IPMC have been sought after for various engineering …
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Design and Development of a Bio-inspired Robotic Jellysh that Features Ionic Polymer Metal Composites Actuators
… efficiency. Ionic polymer metal composites (IPMC) are used as actuators in order to contract the bell and thus propel the jellyfish robot. This research focuses on translating the evolutionary successes of the natural species into a jellyfish robot that mimics the geometry, the swimming …
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The Application of Thin Film Ionic Self-assembled Multilayer (ISAM) Nanostructures in Electromechanical Bending Actuators and Micro-fabricated Gas Chromatography (uGC) Devices
… application in ionic polymer-metal composite (IPMC) electromechanical bending actuators and microfabricated gas chromatography (microGC) devices were investigated and significant performance improvements of these devices were achieved. IPMC bending actuators, consisting of an ionic …
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Effects of Electrode Surface Morphology on the Transduction of Ionic Polymer-Metal Composites
Ionic polymer-metal composites (IPMCs) are innovative smart materials that exhibit electromechanical and mechanoelectrical transduction (conversion of electrical input into mechanical deformation and vice versa). Due to low driving voltage (< 5 V) and ability to operate in aqueous environment, …
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Ion Conducting Polyelectrolytes in Conductive Network Composites and Humidity Sensing Applications for Ionic Polymer-Metal Composite Actuators
Ionic polymer-metal composites (IPMCs) are widely studied for their potential as electromechanical sensors and actuators. Bending of the IMPC depends on internal ion motion under an electric potential, and the addition of an ionic liquid and ionic self-assembled multilayer (ISAM) conductive network …
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Advanced modeling techniques for electroactive polymers transducers
… dei polimeri elettroattivi (gli attuatori IPMC e IP2C). Nella prima sezione è descritta un introduzione generale dei modelli proposti, mentre, nelle sezioni 2 e 3 è presentato nel dettaglio il modello multifisico degli attuatori. Tali modelli integrano i vari domini fisici, termico, …
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Anisotropic Morphologies and Properties in Perfluorosulfonate Ionomer-Based Materials
… specifically ionic polymer-metal composites (IPMCs) that undergo bending motions with the stimulus of a relatively weak electric field were fabricated. To understand the role of the nanoscale morphology of the membrane matrix in affecting the actuation behavior of IPMC systems, we evaluated …
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Fractional Order Systems:PID Controller Design and Fractional Order Element Modeling
… and control of Ionic Polymer Metal Composite (IPMC) and than a study on Fractional Order Elements modeling as possible building block for controller implementation is proposed. Finally the conclusions are presented in the Chapter 4.
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Electroactive polymer actuators: theory and computations
… actuators: (1) ionic polymer-metal composites (IPMCs), (2) piezoelectric polymers, and (3) dielectric elastomers. Highly-coupled physical phenomena drive the actuation mechanism for each of these electroactive polymers. We present theory which accounts for electro-chemo-mechanical coupling in …
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Smart Systems Based on Electroactive Polymers
… on EAPs, like ionic polymer metal composites (IPMCs), realized by using a noble metal or ionic polymer polymer composites (IP2Cs), where a conducting polymer replaces the metal, pave the road to the development of new integrated devices , being the conditioning circuitry very simple, that could …
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TiO2-doped Ionic Polymer-Metal Composite Actuator
Ionic polymer metal composites (IPMCs) have received substantial attention in the past several years. IPMC actuators are capable of complex deformation in water and air and they are soft actuation materials with promising applications in wide range of fields, such as robotics and medical devices. …
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Applications of Layer-by-Layer Films in Electrochromic Devices and Bending Actuators
… based on ionic polymer metal composites (IPMCs), a new class of conductive composite network (CNC) electrode was investigated, based on LbL self-assembled multilayers of conductive gold (Au) nanoparticles. The CNC of an electromechanical actuator fabricated with 100 bilayers of …
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Characterization, Modeling, and Control of Ionic Polymer Transducers
Ionic polymers are a recently discovered class of active materials that exhibit bidirectional electromechanical coupling. They are `soft' transducers that perform best when the mechanical deformation involves bending of the transducer. Ionic polymers are low voltage actuators -- they only require …
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