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学者姓名:陈花玲

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Modeling nonlinear dynamic properties of dielectric elastomers with various crosslinks, entanglements, and finite deformations EI SCIE Scopus
期刊论文 | 2018 , 123 (8) | JOURNAL OF APPLIED PHYSICS
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Abstract :

Subject to an AC voltage, dielectric elastomers (DEs) behave as a nonlinear vibration, implying potential applications as soft dynamical actuators and robots. In this article, by utilizing the Lagrange's equation, a theoretical model is deduced to investigate the dynamic performances of DEs by considering three internal properties, including crosslinks, entanglements, and finite deformations of polymer chains. Numerical calculations are employed to describe the dynamic response, stability, periodicity, and resonance properties of DEs. It is observed that the frequency and nonlinearity of dynamic response are tuned by the internal properties of DEs. Phase paths and Poincare maps are utilized to detect the stability and periodicity of the nonlinear vibrations of DEs, which demonstrate that transitions between aperiodic and quasi-periodic vibrations may occur when the three internal properties vary. The resonance of DEs involving the three internal properties of polymer chains is also investigated. Published by AIP Publishing.

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GB/T 7714 Zhang, Junshi , Chen, Hualing , Li, Dichen . Modeling nonlinear dynamic properties of dielectric elastomers with various crosslinks, entanglements, and finite deformations [J]. | JOURNAL OF APPLIED PHYSICS , 2018 , 123 (8) .
MLA Zhang, Junshi 等. "Modeling nonlinear dynamic properties of dielectric elastomers with various crosslinks, entanglements, and finite deformations" . | JOURNAL OF APPLIED PHYSICS 123 . 8 (2018) .
APA Zhang, Junshi , Chen, Hualing , Li, Dichen . Modeling nonlinear dynamic properties of dielectric elastomers with various crosslinks, entanglements, and finite deformations . | JOURNAL OF APPLIED PHYSICS , 2018 , 123 (8) .
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A moisture and electric coupling stimulated ionic polymer-metal composite actuator with controllable deformation behavior EI SCIE Scopus
期刊论文 | 2018 , 27 (2) | SMART MATERIALS AND STRUCTURES
WoS CC Cited Count: 3
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Abstract :

Ionic polymer-metal composite (IPMC) actuator can generate large and rapid deformation based on ion migration under a relatively low driving voltage. Under full hydrated conditions, the deformation is always prone to relaxation. At room humidity conditions, the deformation increases substantially at the early stage of actuation, and then decreases gradually. Generally, most researchers considered that the change of water content or relative humidity mainly leads to the deformation instabilities, which severely limits the practical applications of IPMC. In this Letter, a novel actuation mode is proposed to control the deformation behavior of IPMC by employing moisture as an independent or collaborative incentive source together with the electric field. The deformation response is continuously measured under electric field, electric field-moisture coupling stimulus and moisture stimulus. The result shows that moisture can be a favorable driving factor for IPMC actuation. Such an electric field-moisture coupling stimulus can avoid the occurrence of deformation instabilities and guarantee a superior controllable deformation in IPMC actuation. This research provides a new method to obtain stable and large deformation of IPMC, which is of great significance for the guidance of material design and application for IPMC and IPMC-type iEAP materials.

Keyword :

electric field-moisture coupling stimulus moisture-responsive deformation moisture stimulus ionic electroactive polymer ionic polymer-metal composite coupling deformation

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GB/T 7714 Ru, Jie , Zhu, Zicai , Wang, Yanjie et al. A moisture and electric coupling stimulated ionic polymer-metal composite actuator with controllable deformation behavior [J]. | SMART MATERIALS AND STRUCTURES , 2018 , 27 (2) .
MLA Ru, Jie et al. "A moisture and electric coupling stimulated ionic polymer-metal composite actuator with controllable deformation behavior" . | SMART MATERIALS AND STRUCTURES 27 . 2 (2018) .
APA Ru, Jie , Zhu, Zicai , Wang, Yanjie , Chen, Hualing , Bian, Changsheng , Luo, Bin et al. A moisture and electric coupling stimulated ionic polymer-metal composite actuator with controllable deformation behavior . | SMART MATERIALS AND STRUCTURES , 2018 , 27 (2) .
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A speedy, amphibian, robotic cube: Resonance actuation by a dielectric elastomer EI SCIE Scopus
期刊论文 | 2018 , 270 , 1-7 | SENSORS AND ACTUATORS A-PHYSICAL
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Abstract :

Dielectric elastomers (DEs), as a stimuli-responsive material, have been widely used in soft robots with the advantages of high deformability and adaptability. Since most research on DE has been focus on its quasi-static actuation, its dynamics is under-explored. In this paper, a robotic cube actuated by the resonance of DE is proposed, according to the characterization of the out-of-plane vibration in DE. A model is established to study the motion performance of the robot which agrees with the experimental result. The robot has three superior motion performances: 1) a high speed (2.8 body length per second) that is much faster than previously reported application using soft, responsive materials; 2) a weight-carrying ability (exceeding its own weight); 3) locomotion either on the land or on the surface of water. (C) 2017 Published by Elsevier B.V.

Keyword :

Locomotion dynamics Electromechanical resonance Dielectric elastomer Robot

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GB/T 7714 Tang, Chao , Li, Bo , Fang, Hongbin et al. A speedy, amphibian, robotic cube: Resonance actuation by a dielectric elastomer [J]. | SENSORS AND ACTUATORS A-PHYSICAL , 2018 , 270 : 1-7 .
MLA Tang, Chao et al. "A speedy, amphibian, robotic cube: Resonance actuation by a dielectric elastomer" . | SENSORS AND ACTUATORS A-PHYSICAL 270 (2018) : 1-7 .
APA Tang, Chao , Li, Bo , Fang, Hongbin , Li, Zhiqiang , Chen, Hualing . A speedy, amphibian, robotic cube: Resonance actuation by a dielectric elastomer . | SENSORS AND ACTUATORS A-PHYSICAL , 2018 , 270 , 1-7 .
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Performance investigation of a dissipative dielectric elastomer generator by the damping model EI SCIE Scopus
期刊论文 | 2018 , 124 (2) | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
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This paper proposes an analytical model to investigate the performance of a dissipative dielectric elastomer generator (DEG) by considering the damping effect and the leakage current. Based on the analytical model, we study the effect of the cycle period, the maximum stretch ratio, and the pre-stretch ratio on the performance parameters of DEGs: the energy density, the average power density, and the conversion efficiency. The simulation results show that increasing the cycle period contributes to improving the energy density and the conversion efficiency. Moreover, the energy density and the average power density increase with the increase in the maximum stretch ratio. In addition, as the pre-stretch ratio increases, the energy density and the average power density can decrease. These methods and conclusions can better guide the optimal design and assessment of DEGs.

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GB/T 7714 Fan, Peng , Chen, Hualing . Performance investigation of a dissipative dielectric elastomer generator by the damping model [J]. | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING , 2018 , 124 (2) .
MLA Fan, Peng et al. "Performance investigation of a dissipative dielectric elastomer generator by the damping model" . | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 124 . 2 (2018) .
APA Fan, Peng , Chen, Hualing . Performance investigation of a dissipative dielectric elastomer generator by the damping model . | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING , 2018 , 124 (2) .
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Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix EI SCIE Scopus
期刊论文 | 2018 , 8 (6) , 3090-3094 | RSC ADVANCES
WoS CC Cited Count: 2
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In this study, we propose to neutralize the relaxation deformation of Nafion-ionic polymer metal composite (IPMC) by slow anode deformation of Flemion-IPMC caused by carboxyl groups (-COOH). Carboxylated carbon nanotubes (CCNT) as -COOH carriers were doped into a Nafion matrix. By adjusting the doping content from 0 wt% to 10 wt%, an IPMC with constant steady-state deformation has been achieved at a critical CCNT content of 2 wt%. Moreover, the increasing rate of the slow anode deformation with the CCNT content is tunable, which is found to be 2.26 mm s(-1) %(-1).

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GB/T 7714 Ru, Jie , Zhu, Zicai , Wang, Yanjie et al. Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix [J]. | RSC ADVANCES , 2018 , 8 (6) : 3090-3094 .
MLA Ru, Jie et al. "Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix" . | RSC ADVANCES 8 . 6 (2018) : 3090-3094 .
APA Ru, Jie , Zhu, Zicai , Wang, Yanjie , Chen, Hualing , Li, Dichen . Tunable actuation behavior of ionic polymer metal composite utilizing carboxylated carbon nanotube-doped Nafion matrix . | RSC ADVANCES , 2018 , 8 (6) , 3090-3094 .
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Stacked dielectric elastomer actuator (SDEA): casting process, modeling and active vibration isolation EI SCIE Scopus
期刊论文 | 2018 , 27 (7) | SMART MATERIALS AND STRUCTURES
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Abstract :

In this paper, a novel fabrication process of stacked dielectric elastomer actuator (SDEA) is developed based on casting process and elastomeric electrode. The so-fabricated SDEA benefits the advantages of homogenous and reproducible properties as well as little performance degradation after one-year use. A coupling model of SDEA is established by taking into consideration of the elastomeric electrode and the calculated results agree with the experiments. Based on the model, we attain the method to optimize the SDEA's parameters. Finally, the SDEA is used as an isolator in active vibration isolation system to verify the feasibility in dynamic application. And the experiment results show a great prospect for SDEA in such application.

Keyword :

active vibration isolation stacked dielectric elastomer actuator casting process

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GB/T 7714 Li, Zhuoyuan , Sheng, Meiping , Wang, Minqing et al. Stacked dielectric elastomer actuator (SDEA): casting process, modeling and active vibration isolation [J]. | SMART MATERIALS AND STRUCTURES , 2018 , 27 (7) .
MLA Li, Zhuoyuan et al. "Stacked dielectric elastomer actuator (SDEA): casting process, modeling and active vibration isolation" . | SMART MATERIALS AND STRUCTURES 27 . 7 (2018) .
APA Li, Zhuoyuan , Sheng, Meiping , Wang, Minqing , Dong, Pengfei , Li, Bo , Chen, Hualing . Stacked dielectric elastomer actuator (SDEA): casting process, modeling and active vibration isolation . | SMART MATERIALS AND STRUCTURES , 2018 , 27 (7) .
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A three-electrode structured ionic polymer carbon-composite actuator with improved electromechanical performance EI SCIE Scopus
期刊论文 | 2018 , 27 (8) | SMART MATERIALS AND STRUCTURES
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Abstract :

Ionic polymer carbon-composite (IPCC) is a kind of ionic electroactive polymer with a Nafion/ ionic liquid electrolyte layer between two multi-walled carbon nanotube (MWCNT) film electrodes. We have fabricated a three-electrode structured IPCC (3E-IPCC) that exhibited a higher safe working voltage and improved electromechanical performance when compared with a traditional two-electrode laminar actuator. An intermediate electrode that was fabricated using MWCNTs was introduced into the matrix membrane, which was then subjected to hot-pressing to form the 3E-IPCC actuator. The effects of the intermediate electrode on the performance of the 3E-IPCC were analyzed. The experiment results indicated that the intermediate electrode connected the two electrolyte layers in series and successfully broadened the window of working voltage by distributing the voltage over the two electrolyte layers. The broadened window of working voltage endowed a higher safe working voltage and then led to enhanced electromechanical performance when compared with the traditional IPCC actuator. The 3E-IPCC exhibited desirable properties, including a large deformation, high output force and excellent stability under high working voltages and so these actuators show great potential for use in a wide range of fields.

Keyword :

smart material three-electrode structure high working voltage enhanced electroactive performance iEAP

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GB/T 7714 Bian, Changsheng , Ru, Jie , Zhu, Zicai et al. A three-electrode structured ionic polymer carbon-composite actuator with improved electromechanical performance [J]. | SMART MATERIALS AND STRUCTURES , 2018 , 27 (8) .
MLA Bian, Changsheng et al. "A three-electrode structured ionic polymer carbon-composite actuator with improved electromechanical performance" . | SMART MATERIALS AND STRUCTURES 27 . 8 (2018) .
APA Bian, Changsheng , Ru, Jie , Zhu, Zicai , Luo, Bin , Chen, Hualing . A three-electrode structured ionic polymer carbon-composite actuator with improved electromechanical performance . | SMART MATERIALS AND STRUCTURES , 2018 , 27 (8) .
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Printing single-walled carbon nanotube/Nafion composites by direct writing techniques EI SCIE Scopus
期刊论文 | 2018 , 155 , 125-133 | MATERIALS & DESIGN
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Abstract :

Preparation of inks with proper rheological performance is the key for extrusion-based direct writing. Nafion solutions with tailored rheological properties have been developed for direct writing. By optimizing the printing parameters (air pressure, scanning speed, and temperature), an average Nafion line precision as low as 0.4 mm can be achieved. The Nafion structures retain their toughness after printing by subjecting them to tailored heat treatment of 120 degrees C in vacuum. Nafion and single-walled carbon nanotube (SWCNT) inks were printed to construct a SWCNT/Nafion composite. The composites act as a pressure sensor with sensitivity of 5.95 mV/N, which is feasible for the printing process. This technique shows the possibility of developing custom complex SWCNT/Nafion structures that can be used in a wide range of fields, such as micro-robotics, biomedicine, and medical science. (C) 2018 Elsevier Ltd. All rights reserved.

Keyword :

Single-walled carbon nanotube ink Sensor Direct writing Rheological performance Nafion solution

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GB/T 7714 Luo, Bin , Chen, Hualing , Zhu, Zicai et al. Printing single-walled carbon nanotube/Nafion composites by direct writing techniques [J]. | MATERIALS & DESIGN , 2018 , 155 : 125-133 .
MLA Luo, Bin et al. "Printing single-walled carbon nanotube/Nafion composites by direct writing techniques" . | MATERIALS & DESIGN 155 (2018) : 125-133 .
APA Luo, Bin , Chen, Hualing , Zhu, Zicai , Xie, Baojun , Bian, Changshen , Wang, Yanjie . Printing single-walled carbon nanotube/Nafion composites by direct writing techniques . | MATERIALS & DESIGN , 2018 , 155 , 125-133 .
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Dynamic characteristics of out-of-plane vibration of dielectric elastomer resonator EI CPCI-S Scopus
会议论文 | 2018 , 10594 | SPIE 20th Conference on Electroactive Polymers Actuators and Devices (EAPAD)
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Abstract :

Dielectric elastomers (DEs) stand out among various soft actuators for their exceptionally fast response and large actuation. A dielectric elastomer can emerge out-of-plane vibration under alternating voltage and change its resonance frequency by adjusting the direct voltage. In this paper, the emerging conditions of the out-of-plane vibration of dielectric elastomer resonator (DER) are obtained by changing the pre-stretch, electrode area and the amplitude of the voltage. Sweep frequency tests are conducted to obtain the resonance frequency of DER, and the modals of the vibration are also obtained by experimental measurements. The nonlinearity vibration phenomenon which appears along with the increase of the amplitude of voltage is analyzed. The resonance mechanism of DER has a high energy exchange efficiency, which has a potential application in soft robot.

Keyword :

dynamic out-of-plane vibration Dielectric elastomer resonator

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GB/T 7714 Tang, Chao , Li, Bo , Li, Zhuoyuan et al. Dynamic characteristics of out-of-plane vibration of dielectric elastomer resonator [C] . 2018 .
MLA Tang, Chao et al. "Dynamic characteristics of out-of-plane vibration of dielectric elastomer resonator" . (2018) .
APA Tang, Chao , Li, Bo , Li, Zhuoyuan , Bian, Changsheng , Liu, Lei , Chen, Hualing . Dynamic characteristics of out-of-plane vibration of dielectric elastomer resonator . (2018) .
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Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior EI CPCI-S Scopus
会议论文 | 2018 , 10594 | SPIE 20th Conference on Electroactive Polymers Actuators and Devices (EAPAD)
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To date, water-based ionic polymer metal composite (IPMC) is just regarded as a kind of electroactive material, whereas humidity is traditionally regarded as a disadvantageous factor, the change of which negatively influences the performance of the IPMC. However, the deformation of the IPMC is greatly sensitive to ambient humidity, and can be enhanced dramatically by changing the humidity. In this study, a novel actuation mode is proposed to control the deformation behavior of IPMC by employing moisture as an independent or collaborative incentive source together with the electric field. The deformation is continuously recorded under electric field and electric field-moisture coupling stimulus. These results are consistent with the view that the bending properties of the IPMC are a result of the balance of osmotic pressure and electrostatic stress in the membrane, which is greatly dependent on the change of humidity. Therefore, development of the coupling-drive mode is of great significance for the guidance of material design and application for the IPMC.

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GB/T 7714 Ru, Jie , Zhu, Zicai , Wang, Yanjie et al. Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior [C] . 2018 .
MLA Ru, Jie et al. "Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior" . (2018) .
APA Ru, Jie , Zhu, Zicai , Wang, Yanjie , Chen, Hualing . Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior . (2018) .
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