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学者姓名：陈花玲
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Abstract ：
The small-scale robot using soft materials features extraordinary compliance and a large amount of degree of freedoms, but its nonlinearity in material increases the system complexity for control strategy. In this paper, as inspired by the skiing-sport, a lightweight locomotion robot with a rigid poking pole is designed and driven by an artificial muscle, a conical dielectric elastomer actuator (DEA). The poking mechanism transmits the stroke of DEA into robot motion, contributing the material compliance to the capability of terrain adaptivity in the robot. The combination of a soft actuator and a rigid transmission mechanism lowers the complexity in the robotic kinetics and increases the loading capability for device carrying. Experiments verify the locomotion on the dimple and wavy pavement as well as clambering a slope. This robot offers performances including: (i) a maximum speed of 64.1mm(0.43 body length) per second; (ii) a loading capability of 7.7 times of its weight; (iii) a steering angle of 25° at a radius of 18 cm. © 2021 IOP Publishing Ltd.
Keyword ：
Compliance control Electroactive polymer actuators Robots Sports
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| GB/T 7714 | Tang, Chao , Li, Bo , Li, Zhiqiang et al. Legged-wheeled small robot capable of terrain-adaptive locomotion via a soft actuator [J]. | Engineering Research Express , 2021 , 3 (1) . |
| MLA | Tang, Chao et al. "Legged-wheeled small robot capable of terrain-adaptive locomotion via a soft actuator" . | Engineering Research Express 3 . 1 (2021) . |
| APA | Tang, Chao , Li, Bo , Li, Zhiqiang , Ma, Wentao , Liu, Lei , Chen, Hualing et al. Legged-wheeled small robot capable of terrain-adaptive locomotion via a soft actuator . | Engineering Research Express , 2021 , 3 (1) . |
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Abstract ：
Electroactive PVC gel is a new artificial muscle material with good performance that can mimic the movement of biological muscle in an electric field. However, traditional manufacturing methods, such as casting, prevent the broad application of this promising material because they cannot achieve the integration of the PVC gel electrode and core layer, and at the same time, it is difficult to create complex and diverse structures. In this study, a multi-material, integrated direct writing method is proposed to fabricate corrugated PVC gel artificial muscle. Inks with suitable rheological properties were developed for printing four functional layers, including core layers, electrode layers, sacrificial layers, and insulating layers, with different characteristics. The curing conditions of the printed CNT/SMP inks under different applied conditions were also discussed. The structural parameters were optimized to improve the actuating performance of the PVC gel artificial muscle. The corrugated PVC gel with a span of 1.6 mm had the best actuating performance. Finally, we printed three layers of corrugated PVC gel artificial muscle with good actuating performance. The proposed method can help to solve the inherent shortcomings of traditional manufacturing methods of PVC gel actuators. The printed structures have potential applications in many fields, such as soft robotics and flexible electronic devices.
Keyword ：
artificial muscle direct writing integrated printing PVC gel rheological behavior
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| GB/T 7714 | Luo, Bin , Zhong, Yiding , Chen, Hualing et al. Direct Writing Corrugated PVC Gel Artificial Muscle via Multi-Material Printing Processes [J]. | POLYMERS , 2021 , 13 (16) . |
| MLA | Luo, Bin et al. "Direct Writing Corrugated PVC Gel Artificial Muscle via Multi-Material Printing Processes" . | POLYMERS 13 . 16 (2021) . |
| APA | Luo, Bin , Zhong, Yiding , Chen, Hualing , Zhu, Zicai , Wang, Yanjie . Direct Writing Corrugated PVC Gel Artificial Muscle via Multi-Material Printing Processes . | POLYMERS , 2021 , 13 (16) . |
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Abstract ：
This paper investigates the energy harvesting (EH) performance of a nonlinear dielectric elastomer pendulum (DEP) under the random narrowband excitation. The DEP that can convert the vibration energy into electrical energy consists of a dielectric elastomer membrane with a mass, which is similar to a spring pendulum. A dynamic analysis model of the nonlinear electromechanical coupling behavior of the DEP under the random narrowband excitation is developed. A prototype of the DEP is designed to evaluate the developed dynamic model, which shows the good agreement. On this basis, the stochastic dynamic behavior of the DEP is analyzed by changing the intensity, the power spectrum density, and the upper limiting frequency of the random narrowband excitation. The EH performance of the DEP under the random narrowband excitation is also studied for diverse system parameters, including the length of the dielectric elastomer membrane, the mass of the DEP, and the load resistance. The conclusions can help guide the design of the DEP in the random vibration environment to improve the EH performance. © 2021 Elsevier Ltd
Keyword ：
Dielectric devices Elastomers Electric excitation Electromechanical coupling Energy harvesting Pendulums Plastics Stochastic systems
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| GB/T 7714 | Fan, Peng , Zhu, Liangquan , Zhu, Zicai et al. Predicting energy harvesting performance of a random nonlinear dielectric elastomer pendulum [J]. | Applied Energy , 2021 , 289 . |
| MLA | Fan, Peng et al. "Predicting energy harvesting performance of a random nonlinear dielectric elastomer pendulum" . | Applied Energy 289 (2021) . |
| APA | Fan, Peng , Zhu, Liangquan , Zhu, Zicai , Chen, Hualing , Chen, Wei , Hu, Hong . Predicting energy harvesting performance of a random nonlinear dielectric elastomer pendulum . | Applied Energy , 2021 , 289 . |
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Abstract ：
The conventional synthesis and forming process methods of commercialized thermoelectric materials and thermoelectric devices are energy and time consuming. Fortunately, advanced 3D printing techniques enable simplification for the rapid fabrication of thermoelectric materials. Herein, we report a new synthesis method of Sb2Te3 by selective laser melting (SLM) printing technique. A mixture of individual elemental powder of Sb and Te serves as starting materials for the SLM process. The effect of the high laser energy density on the synthesized Sb2Te3 structure and thermoelectric performance is also investigated, and the optimal process parameters are determined. The phase transition process for the Sb/Te powder during SLM is imitated by performing a thermogravimetric analysis (TGA) simultaneously. The power factor of the ingot prepared by SLM increases up to 19 μW/(cm K2) at 50 °C. These results indicate that SLM can effectively produce Sb2Te3-based materials. This work opens a new route for the design and synthesis of thermoelectric materials and corresponding devices. © 2020
Keyword ：
Antimony compounds Ingots Melting Selective laser melting Thermoelectric equipment Thermoelectricity Thermogravimetric analysis
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| GB/T 7714 | Shi, Jianxu , Chen, Xiaoming , Wang, Wanjun et al. A new rapid synthesis of thermoelectric Sb2Te3 ingots using selective laser melting 3D printing [J]. | Materials Science in Semiconductor Processing , 2021 , 123 . |
| MLA | Shi, Jianxu et al. "A new rapid synthesis of thermoelectric Sb2Te3 ingots using selective laser melting 3D printing" . | Materials Science in Semiconductor Processing 123 (2021) . |
| APA | Shi, Jianxu , Chen, Xiaoming , Wang, Wanjun , Chen, Hualing . A new rapid synthesis of thermoelectric Sb2Te3 ingots using selective laser melting 3D printing . | Materials Science in Semiconductor Processing , 2021 , 123 . |
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Abstract ：
As a promising research field, electrochromic devices have attracted researcher's attention because of their dynamic display capabilities, high brightness, and convenience of electric signals. Among all the electrochromic modes, the use of electroactive actuators to produce color change is one of the important means. In view of the characteristics of dielectric elastomer (DE) materials such as rapid response and large deformation under electric signal, dielectric elastomer actuators (DEAs) were prepared and explored for their applications in biomedicine, aerospace, intelligent robotics and other fields. In this paper, inspired by the skin of chameleons, a kind of electrochromic device enabled via dielectric elastomer actuator (EDDEA) is prepared by integrating the stretchable photonic crystals (SPCs) with DEAs. The SPCs can achieve color changes in visible light range and maintain stable performance during multiple working cycles. The prepared EDDEA can produce strain under an electric field, which in turn causes color changes. In addition, the EDDEA can be used to display and measure the strain range of the DEA during actuating process under the excitation of electric field. The results demonstrate that the prepared EDDEA is a fully flexible, highly integrated electrochromic device, which can produce a wide range of color change under electric field. Meanwhile, this device provides potential application value in the strain range control of DEAs. © 2020 Elsevier B.V.
Keyword ：
Biomimetics Color Colorimetry Dielectric materials Display devices Elastomers Electric excitation Electric fields Electroactive polymer actuators Electrochromic devices Electrochromism Intelligent robots Plastics
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| GB/T 7714 | Zhao, Pengfei , Cai, Yong , Liu, Chen et al. Study on the bio-inspired electrochromic device enabled via dielectric elastomer actuator [J]. | Optical Materials , 2021 , 111 . |
| MLA | Zhao, Pengfei et al. "Study on the bio-inspired electrochromic device enabled via dielectric elastomer actuator" . | Optical Materials 111 (2021) . |
| APA | Zhao, Pengfei , Cai, Yong , Liu, Chen , Ge, Dengteng , Li, Bo , Chen, Hualing . Study on the bio-inspired electrochromic device enabled via dielectric elastomer actuator . | Optical Materials , 2021 , 111 . |
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Abstract ：
Ionic electroactive polymers (iEAPs) are electroactive polymers that have been used as artificial muscles and have broad application potential. Although iEAPs show large bending deformation under low electric stimulus, the low output force significantly restricts their application. Based on an ionic polymer-metal composite (IPMC) actuator, we proposed a bending stacking structure principle which adapts the bending deformation cooperation conditions. According to the principle, the width stacking structure and thickness stacking structure were designed that can improve the output force, maintain a high stacking efficiency, and eliminate degradation to the deformation ability. The advantages of the proposed stacking structures were identified using theoretical analysis and experimental verification based on IPMC actuators. Compared with an ultra-wide actuator, the wide stacking structure can resist undesirable width deformation. Compared with a traditional stacking structure, the proposed thickness stacking structures solved the bending deformation coordination problem to get a high stacking efficiency and significantly enhance the output force.
Keyword ：
high efficiency ionic electroactive polymer (iEAP) ionic polymer-metal composites (IPMCs) large output force stacking structure
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| GB/T 7714 | Bian, Changsheng , Zhu, Zicai , Bai, Wanfa et al. Highly efficient structure design of bending stacking actuators based on IPMC with large output force [J]. | SMART MATERIALS AND STRUCTURES , 2021 , 30 (7) . |
| MLA | Bian, Changsheng et al. "Highly efficient structure design of bending stacking actuators based on IPMC with large output force" . | SMART MATERIALS AND STRUCTURES 30 . 7 (2021) . |
| APA | Bian, Changsheng , Zhu, Zicai , Bai, Wanfa , Chen, Hualing . Highly efficient structure design of bending stacking actuators based on IPMC with large output force . | SMART MATERIALS AND STRUCTURES , 2021 , 30 (7) . |
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Abstract ：
This paper develops a dynamic electromechanical coupling model to investigate the energy harvesting (EH) performance of the vibro-impact (VI) energy harvester comprising a cylindrical capsule, an internal free moving ball, and two dielectric elastomer (DE) membranes at both ends of the capsule. The developed model can describe the electromechanical properties of the collision between the ball and the membrane, which is verified by the existing experimental data. On this basis, the effect of system parameters, such as the mass and the radium of the ball, the internal radium and the length of the capsule, and the pre-stretch ratio of DEs, on the average power density of the energy harvester is also studied under diverse external stimuli including the inclined angle and the excitation frequency. The results show that at the small excitation frequency, the EH performance of the energy harvester can be improved by increasing the pre-stretch ratio of membranes and the mass of the ball and decreasing the radium of the ball and the internal radium of the capsule. The conclusions can help provide a guide for the optimal design of the energy harvester in the practical application so as to improve the EH performance.
Keyword ：
Dielectric elastomer Dielectric elastomer generator Electromechanical coupling property Energy harvesting
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| GB/T 7714 | Fan, Peng , Luo, Bin , Zhu, Zicai et al. Modeling and parametric study on DE-based vibro-impact energy harvesters for performance improvement [J]. | ENERGY CONVERSION AND MANAGEMENT , 2021 , 242 . |
| MLA | Fan, Peng et al. "Modeling and parametric study on DE-based vibro-impact energy harvesters for performance improvement" . | ENERGY CONVERSION AND MANAGEMENT 242 (2021) . |
| APA | Fan, Peng , Luo, Bin , Zhu, Zicai , Chen, Hualing . Modeling and parametric study on DE-based vibro-impact energy harvesters for performance improvement . | ENERGY CONVERSION AND MANAGEMENT , 2021 , 242 . |
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Abstract ：
Under the bio-mechanism of a chameleon's color change, in this letter, a 2D nano metasurface, mechanical-strain-actuated photonic crystal, is proposed. The lattice, a nano hexagon with non-close-packed cylinder holes, is analyzed via a mechanochromic coupling model and plane wave transmission to verify the optical structural color in strain. The metasurface material was fabricated by soft lithography on a stretchable substrate. The strain versus reflectivity spectra were measured, showing a full visible range color change, at a strain of 29%. The RGB colors in the strained state were maintained after 2000 repeated loading/unloading cycles, illustrating fatigue insensitivity. (c) 2019 The Japan Society of Applied Physics
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| GB/T 7714 | Li, Bo , Zhao, Pengfei , Ma, Wentao et al. Mechanochromics of stretchable nano metasurfaces: non-close-packed hexagonal lattices and tunable structural coloration [J]. | APPLIED PHYSICS EXPRESS , 2020 , 13 (1) . |
| MLA | Li, Bo et al. "Mechanochromics of stretchable nano metasurfaces: non-close-packed hexagonal lattices and tunable structural coloration" . | APPLIED PHYSICS EXPRESS 13 . 1 (2020) . |
| APA | Li, Bo , Zhao, Pengfei , Ma, Wentao , Sun, Ya , Chen, Hualing , Chen, Guimin . Mechanochromics of stretchable nano metasurfaces: non-close-packed hexagonal lattices and tunable structural coloration . | APPLIED PHYSICS EXPRESS , 2020 , 13 (1) . |
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Abstract ：
This paper reports a miniature microfluidic system based on centrifugal and gravity actuations for separation of blood cells. The fluidic platform is driven with a motor and controlled using a single-chip micyoco (SCM). Centrifugal force was used both for delivering the blood sample and realizing density gradient centrifugation for separation of red blood cells from plasma. By utilizing the centrifugal force, Coriolis force, Euler's force, and gravity force in actuation of blood sample, a compact design of three-dimensional fluidic system for flow control was achieved. The centrifugal microfluidic platform was fabricated using 3D printing technology with polymers as structural materials. Because of the strong adhesion of leukocyte and the larger sizes of the blood cells, silica electrospun fiber was used as filter for white cells. In the experiments, the average removal rate of red blood cells is controllable by changing the working parameters. The instrument can separate 20-50 mu l plasma at a time. No white cells were found in the plasma after separation.
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| GB/T 7714 | Qin, Xianming , Chen, Hualing , Jia, Shuhai et al. A 3D printed three-dimensional centrifugal fluidic system for blood separation [J]. | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS , 2020 , 27 (7) : 2639-2646 . |
| MLA | Qin, Xianming et al. "A 3D printed three-dimensional centrifugal fluidic system for blood separation" . | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS 27 . 7 (2020) : 2639-2646 . |
| APA | Qin, Xianming , Chen, Hualing , Jia, Shuhai , Wang, Wanjun . A 3D printed three-dimensional centrifugal fluidic system for blood separation . | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS , 2020 , 27 (7) , 2639-2646 . |
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Abstract ：
A novel, wireless, passive, extra-arterial implantable blood pressure monitoring system was designed, fabricated, and tested. The measurement system is composed of an implantable sensor in-vivo and a readout system in-vitro. It was designed to balance the measurement accuracy and arterial invasiveness in continuous blood pressure monitoring. The passive LC resonant circuit was formed by a variable parallel-plate capacitance and a planar spiral inductor. It was fabricated and implanted in the necks of the rats to detect blood pressure changes. The variation of blood pressure was transduced into a change of the capacitance value of the variable parallel-plate capacitor, which caused a variation of the resonant frequency of the LC circuit. A readout probe with inductor coil was then used to measure the change of the resonant frequency of the LC circuit, and therefore indirectly measure the variation of blood pressure wirelessly. By measuring the resonant frequency with electromagnetic coupling of the implanted LC resonant sensor and the external inductor coil, a sensitivity of 8.53 kHz/mmHg for blood pressure measurement had been successfully achieved. The sensing distance is longer than 22 mm, which is enough for implementation of the wireless measurement. The overall size of the implantable sensor is 5 mm x 1.1 mm. The wireless implantable blood pressure sensor may be used in biomedical research for continuous, accurate and arterial trauma free blood pressure monitoring.
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| GB/T 7714 | Hu, Shiyan , Chen, Hualing , Jia, Shuhai et al. A wireless passive extra-arterial implantable blood pressure monitoring sensing system for rats [J]. | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS , 2020 , 27 (7) : 2595-2603 . |
| MLA | Hu, Shiyan et al. "A wireless passive extra-arterial implantable blood pressure monitoring sensing system for rats" . | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS 27 . 7 (2020) : 2595-2603 . |
| APA | Hu, Shiyan , Chen, Hualing , Jia, Shuhai , Xiao, Xue , Cao, Yongxiao , Wang, Wanjun . A wireless passive extra-arterial implantable blood pressure monitoring sensing system for rats . | MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS , 2020 , 27 (7) , 2595-2603 . |
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