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Hybrid energy harvesting systems for self-powered sustainable water purification by harnessing ambient

《环境科学与工程前沿（英文）》 2023年 第17卷 第10期 doi: 10.1007/s11783-023-1718-9

摘要：

● Energy harvesters harness multiple energies for self-powered water purification.

关键词： Piezocatalysis     Solar energy     Waste heat     Decentralized water treatment     Point-of-use     Nanogenerator    

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Self-powered structural health monitoring with nonlinear energy harvesting system

Kaori YUSE, Michael LALLART, Lionel PETIT, Claude RICHARD, Thomas MONNIER, Daniel GUYOMAR,

《机械工程前沿（英文）》 2010年 第5卷 第1期   页码 61-66 doi: 10.1007/s11465-009-0057-2

摘要： The present paper describes the application of the fully self-powered structural health monitoring (SHM). Based on the nonlinear process of microgenerators that directly convert ambient mechanical energy into electrical energy, using the synchronized switch harvesting (SSH) method developed in our laboratory, the nonwired SHM system is equipped. The system is separated into two parts. One is an autonomous wireless transmitter (AWT), its mass is 28.9 g, and it generates a radio frequency (RF) signal and a Lamb waveform as a damage index signal. Another part is these receivers, called autonomous wireless receiver (AWR), and its weight is of 67.6 g. A preliminary design of the device using shelf electronics and surface mounted piezoelectric patches is presented. The energy balance shows that more than enough energy to operate these processes can be obtained within 10 s (when around 50 Hz and more than 2 MPa of the stress level). Some different damage index measurements of SHM are finally discussed.

关键词： energy harvesting     piezoelectric generators     electromechanical conversion     self-powered devices     structural health monitoring (SHM)     wireless    

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Emerging trends in self-healable nanomaterials for triboelectric nanogenerators: A comprehensive review

《能源前沿（英文）》   页码 727-750 doi: 10.1007/s11708-023-0896-2

摘要： A thorough analysis of triboelectric nanogenerators (TENGs) that make use of self-healable nanomaterials is presented in this review. These TENGs have shown promise as independent energy sources that do not require an external power source to function. TENGs are developing into a viable choice for powering numerous applications as low-power electronics technology advances. Despite having less power than conventional energy sources, TENGs do not directly compete with these. TENGs, on the other hand, provide unique opportunities for future self-powered systems and might encourage advancements in energy and sensor technologies. Examining the many approaches used to improve nanogenerators by employing materials with shape memory and self-healable characteristics is the main goal of this review. The findings of this comprehensive review provide valuable information on the advancements and possibilities of TENGs, which opens the way for further research and advancement in this field. The discussion of life cycle evaluations of TENGs provides details on how well they perform in terms of the environment and identifies potential improvement areas. Additionally, the cost-effectiveness, social acceptability, and regulatory implications of self-healing TENGs are examined, as well as their economic and societal ramifications.

关键词： triboelectric nanogenerator (TENG)     self-healable nanomaterials     self-powered devices     energy    

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自供能主动式振动控制——从概念到模拟测试 Article

李锦阳, 朱松晔

《工程（英文）》 2022年 第11卷 第4期   页码 126-137 doi: 10.1016/j.eng.2021.03.022

摘要：

主动式振动控制技术通常拥有优异的控制性能，但其在大型结构应用中常常伴随着巨大的能耗，使得我们在实际工程应用中较难看到它的身影。针对这一问题，本文创新性地提出了一种全新的解决方案：自供能的主动式振动控制系统；并针对性地对其拓扑设计、工作原理、能量流动等方面进行了介绍。通过对振动过程中能量流动的详细分析，我们进一步确认了系统的自供能可行性。此外，我们于实验室内搭建了一套所提出的自供能主动式控制系统，并成功将其应用到一个小型主动隔振台上。通过对解析、数值和实验结果的一系列探究，这个新型系统的有效性与可行性得到了充分的印证。预期这套新型装置可以非常容易地推广到其他多种工程领域中来实现所期望的主动控制效果。

关键词： 自供能主动式振动控制     能量采集     天钩控制     能量平衡     智能控制    

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可自供能感知液滴撞击的3D打印超疏水磁性器件 Article

张璇, 王琦, 邹瑞萍, 宋波, 闫春泽, 史玉升, 苏彬

《工程（英文）》 2022年 第15卷 第8期   页码 197-206 doi: 10.1016/j.eng.2022.04.009

摘要：

三维（3D）打印的软磁结构在工程和材料领域已引起广泛关注和研究。这种结构驱动形状改变的力会导致磁场分布发生变化，表明这种结构具有将机械能转化为电能的能力。在本文的研究工作中，通过整合两种3D打印方法，制造了一种具有柔性超疏水和磁性的器件。3D打印磁性器件（3DMD）在连续滴水时，表现出具有长期稳定的力电转换能力，输出电流比现有文献记录的输出电流高。结合麦克斯韦数值仿真，研究了3DMD的力电转换机理，进而指导了各种参数的调控。此外，通过连续的雨水收集，三个集成的3DMD点亮了一个商用发光二极管（LED）。这种结合了能量转换的组合型设计有望推动 3D打印领域的发展。

关键词： 3D打印     自供能感知     磁性     水滴    

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Integrated energy storage system based on triboelectric nanogenerator in electronic devices

Xiao Feng, Yang Zhang, Le Kang, Licheng Wang, Chongxiong Duan, Kai Yin, Jinbo Pang, Kai Wang

《化学科学与工程前沿（英文）》 2021年 第15卷 第2期   页码 238-250 doi: 10.1007/s11705-020-1956-3

摘要： The emergence of electronic devices has brought earth-shaking changes to people’s life. However, an external power source may become indispensable to the electronic devices due to the limited capacity of batteries. As one of the possible solutions for the external power sources, the triboelectric nanogenerator (TENG) provides a novel idea to the increasing number of personal electronic devices. TENG is a new type of energy collector, which has become a hot spot in the field of nanotechnology. It is widely used at the acquisition and conversion of mechanical energy to electric energy through the principle of electrostatic induction. On this basis, the TENG could be integrated with the energy storage system into a self-powered system, which can supply power to the electronic devices and make them work continuously. In this review, TENG’s basic structure as well as its working process and working mode are firstly discussed. The integration method of TENGs with energy storage systems and the related research status are then introduced in detail. At the end of this paper, we put forward some problems and discuss the prospect in the future.

关键词： electronic devices     triboelectric nanogenerator     mechanical energy     self-powered system    

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Triboelectric nanogenerators: the beginning of blue dream

《化学科学与工程前沿（英文）》 2023年 第17卷 第6期   页码 635-678 doi: 10.1007/s11705-022-2271-y

摘要： Wave energy is inexhaustible renewable energy. Making full use of the huge ocean wave energy resources is the dream of mankind for hundreds of years. Nowadays, the utilization of water wave energy is mainly absorbed and transformed by electromagnetic generators (EMGs) in the form of mechanical energy. However, waves usually have low frequency and uncertainty, which means low power generation efficiency for EMGs. Fortunately, in this slow current and random direction wave case, the triboelectric nanogenerator (TENG) has a relatively stable output power, which is suitable for collecting blue energy. This article summarizes the main research results of TENG in harvesting blue energy. Firstly, based on Maxwell’s displacement current, the basic principle of the nanogenerator is expounded. Then, four working modes and three applications of TENG are introduced, especially the application of TENG in blue energy. TENG currently used in blue energy harvesting is divided into four categories and discussed in detail. After TENG harvests water wave energy, it is meaningless if it cannot be used. Therefore, the modular storage of TENG energy is discussed. The output power of a single TENG unit is relatively low, which cannot meet the demand for high power. Thus, the networking strategy of large-scale TENG is further introduced. TENG’s energy comes from water waves, and each TENG’s output has great randomness, which is very unfavorable for the energy storage after large-scale TENG integration. On this basis, this paper discusses the power management methods of TENG. In addition, in order to further prove its economic and environmental advantages, the economic benefits of TENG are also evaluated. Finally, the development potential of TENG in the field of blue energy and some problems that need to be solved urgently are briefly summarized.

关键词： blue energy     triboelectric nanogenerator     water wave energy     networking strategy     micro/nano-energy     self-powered devices    

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为自供能传感器节点供电的最大功率点跟踪控制热能收集电路 None

Eun-Jung YOON, Jong-Tae PARK, Chong-Gun YU

《信息与电子工程前沿（英文）》 2018年 第19卷 第2期   页码 285-296 doi: 10.1631/FITEE.1601181

摘要： 提出一种简便的具有最大功率点跟踪（maximum power point tracking，MPPT）控制功能的热能收集电路，为自供能微型传感器节点供电。由于热电发生器（thermoelectric generator，TEG）的输出电压足够高，可直接驱动负载应用，故该电路免去了复杂的启动电路和直流-直流（DC-DC）升压转换器。为克服TEG设备和负载应用之间的功率失配，该电路在激活/休眠模式下工作。该热能收集电路基于0.35 μm互补式金属氧化物半导体（CMOS）工艺研制。实验结果证明该电路能正常工作，展示了MPPT方案性能。该电路实现了95.5％的峰值功效和高于99％的MPPT精度。

关键词： 热电能；能量收集；最大功率点跟踪（MPPT）控制；自供电系统；传感器节点    

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Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

《能源前沿（英文）》 2019年 第13卷 第2期   页码 296-306 doi: 10.1007/s11708-018-0605-8

摘要： This paper proposes a powertrain controller for a solar photovoltaic battery powered hybrid electric vehicle (HEV). The main objective of the proposed controller is to ensure better battery management, load regulation, and maximum power extraction whenever possible from the photovoltaic panels. The powertrain controller consists of two levels of controllers named lower level controllers and a high-level control algorithm. The lower level controllers are designed to perform individual tasks such as maximum power point tracking, battery charging, and load regulation. The perturb and observe based maximum power point tracking algorithm is used for extracting maximum power from solar photovoltaic panels while the battery charging controller is designed using a PI controller. A high-level control algorithm is then designed to switch between the lower level controllers based on different operating conditions such as high state of charge, low state of charge, maximum battery current, and heavy load by respecting the constraints formulated. The developed algorithm is evaluated using theoretical simulation and experimental studies. The simulation and experimental results are presented to validate the proposed technique.

关键词： battery management system     hybrid electric vehicles (HEVs)     maximum power point tracking (MPPT)     solar photovoltaic    

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装备系统故障自愈原理研究

高金吉

《中国工程科学》 2005年 第7卷 第5期   页码 43-48

摘要：

装备故障可否在其运行中得到控制或自行消除？故障能否像人和动物的疾病一样可以“自愈”？在系统科学的指导下，移植现代医学“自主调理”治疗原理，包括免疫、防御、代偿、自修复和适应等，可以用来指导研究装备自愈原理及工程应用；重点研究了以故障预防和消除为目标的装备系统自愈调控原理，为研制出具有自愈功能的新一代装备提供科学依据。

关键词： 装备系统     故障自愈原理     故障自愈调控     诊断     主动控制    

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氢能列车投入运营

Chris Palmer

《工程（英文）》 2022年 第11卷 第4期   页码 9-11 doi: 10.1016/j.eng.2022.02.003

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Experimental study of the restoring force mechanism in the self-centering beam (SCB)

Abhilasha MAURYA,Matthew R. EATHERTON

《结构与土木工程前沿（英文）》 2016年 第10卷 第3期   页码 272-282 doi: 10.1007/s11709-016-0346-x

摘要： In the past, several self-centering (SC) seismic systems have been developed. However, examples of self-centering systems used in practice are limited due to unusual field construction practices, high initial cost premiums and deformation incompatibility with the gravity framing. A self centering beam moment frame (SCB-MF) has been developed that mitigates several of these issues while adding to the advantages of a typical SC system. The self-centering beam (SCB) is a shop-fabricated, self-contained structural component that when implemented in a moment resisting frame can bring a building back to plumb after an earthquake. This paper describes the SCB concepts and experimental program on five SCB specimens at two-third scale relative to a prototype building. Experimental results are presented including the global force-deformation behavior. The SCBs are shown to undergo 5%–6% story drift without any observable damage to the SCB body and columns. Strength equations developed for the SCB predict the moment capacity well, with a mean difference of 6% between experimental and predicted capacities. The behavior of the restoring force mechanism is described. The limit states that cause a loss in system's restoring force which lead to a decrease in the self-centering capacity of the SCB-MF, are presented.

关键词： self-centering seismic system     seismic design     hysteretic behavior     restoring force     resilient structural system    

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Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

《结构与土木工程前沿（英文）》 2009年 第3卷 第3期   页码 286-291 doi: 10.1007/s11709-009-0045-y

摘要： The limit span of self-anchored cable-stayed suspension bridge is deduced. The relations among the geometrical parameters, loads and material characteristics are also analyzed. Based on the material strength and commonly used materials, the limit spans of self-anchored cable-stayed suspension bridges with concrete girder or steel girder under vertical static load are discussed in detail. The corresponding upper limit spans and the effect of the factors on the span are given. The results indicate that increasing rise-span ratio, height-span ratio and cable-stayed segment length or reducing the second dead load could increase the cooperation system span.

关键词： cable-stayed suspension     self-anchored     limit span    

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氢能飞机研制进展及产业化前景分析

宋薇薇 ,杨凤田,项松,韩成业,康桂文,樊馨月

《中国工程科学》 2023年 第25卷 第5期   页码 192-201 doi: 10.15302/J-SSCAE-2023.05.019

摘要： Hydrogen-powered aviation: A fact-based study of hydrogen technology, economics, and climate impact by

关键词： 氢能航空；氢能飞机；技术体系；总拥有成本；产业化    

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Radial electromagnetic type unbalance vibration self-recovery regulation system for high-end grinding

《机械工程前沿（英文）》 2023年 第18卷 第3期 doi: 10.1007/s11465-023-0763-1

摘要： Modern rotating machines, which are represented by high-end grinding machines, have developed toward high precision, intelligence, and high durability in recent years. As the core components of grinding machine spindles, grinding wheels greatly affect the vibration level during operation. The unbalance vibration self-recovery regulation (UVSRR) system is proposed to suppress the vibration of grinding wheels during workpiece processing, eliminating or minimizing the imbalance. First, technical principles and the system composition are introduced. Second, the balancing actuator in the UVSRR system is analyzed in detail. The advanced nature of the improved structure is presented through structure introduction and advantage analysis. The performance of the balancing actuator is mutually verified by the theoretical calculation of torque and software simulation. Results show that the self-locking torque satisfies the actual demand, and the driving torque is increased by 1.73 times compared with the traditional structure. Finally, the engineering application value of the UVSRR system is verified by laboratory performance comparison and actual factory application. The balancing speed and effect of the UVSRR system are better than those of an international mainstream product and, the quality of the workpieces machined in the factory improved by 40%.

关键词： UVSRR system     radial electromagnetic type     vibration suppression     performance simulation     engineering application    

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标题 作者 时间 类型 操作

Hybrid energy harvesting systems for self-powered sustainable water purification by harnessing ambient

期刊论文

Self-powered structural health monitoring with nonlinear energy harvesting system

Kaori YUSE, Michael LALLART, Lionel PETIT, Claude RICHARD, Thomas MONNIER, Daniel GUYOMAR,

期刊论文

Emerging trends in self-healable nanomaterials for triboelectric nanogenerators: A comprehensive review

期刊论文

自供能主动式振动控制——从概念到模拟测试

李锦阳, 朱松晔

期刊论文

可自供能感知液滴撞击的3D打印超疏水磁性器件

张璇, 王琦, 邹瑞萍, 宋波, 闫春泽, 史玉升, 苏彬

期刊论文

Integrated energy storage system based on triboelectric nanogenerator in electronic devices

Xiao Feng, Yang Zhang, Le Kang, Licheng Wang, Chongxiong Duan, Kai Yin, Jinbo Pang, Kai Wang

期刊论文

Triboelectric nanogenerators: the beginning of blue dream

期刊论文

为自供能传感器节点供电的最大功率点跟踪控制热能收集电路

Eun-Jung YOON, Jong-Tae PARK, Chong-Gun YU

期刊论文

Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

期刊论文

装备系统故障自愈原理研究

高金吉

期刊论文

氢能列车投入运营

Chris Palmer

期刊论文

Experimental study of the restoring force mechanism in the self-centering beam (SCB)

Abhilasha MAURYA,Matthew R. EATHERTON

期刊论文

Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

期刊论文

氢能飞机研制进展及产业化前景分析

宋薇薇 ,杨凤田,项松,韩成业,康桂文,樊馨月

期刊论文

Radial electromagnetic type unbalance vibration self-recovery regulation system for high-end grinding

期刊论文