Article
Chemistry, Physical
Anxin Luo, Weihan Xu, Jiangyong Sun, Kunling Xi, Siyao Tang, Xinge Guo, Chengkuo Lee, Fei Wang
Summary: This paper proposes a vibration energy harvester with a double frequency-up conversion mechanism, which is capable of harvesting energy from ultra-low-frequency vibrations. The device can convert external vibrations from sub-Hertz to tens of Hertz and further to hundreds of Hertz, achieving a high conversion ratio of 8400. The comprehensive dynamic model proposed in this paper has been verified through theoretical analysis and COMSOL simulation, effectively analyzing the frequency conversion process and output voltage. When excited by a frequency of 0.2 Hz, the device can generate an average output power of 75 mu W with a compact size. Its non-contact design allows for application in sealed scenarios for smart city construction.
Article
Engineering, Mechanical
Yipeng Wu, Sen Li, Kangqi Fan, Hongli Ji, Jinhao Qiu
Summary: This paper introduces a frequency up-converting energy harvester that can efficiently capture ambient mechanical energy with ultra-low natural frequency and upconvert the frequency with a high conversion factor. The harvester has the potential to be applied in real-world systems with low vibration frequencies, generating relatively high output power even at low excitation frequency and amplitude. Additionally, the output power can be further optimized by improving the electromechanical coupling coefficient.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Mechanical
Guansong Shan, Meiling Zhu
Summary: A piezo stack energy harvester with frequency up-conversion method is proposed in this study to achieve high-power output, showing good performance. Numerical simulation and finite element analysis are conducted to validate the effectiveness of the proposed method.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Chemistry, Physical
Cailiang Zhang, Junchen Xu, Shitong Fang, Zijian Qiao, Daniil Yurchenko, Zhihui Lai
Summary: In this paper, a novel hybrid vibro-impact electromagnetic-dielectric generator (VI EDG) embedded into a pendulum structure to form a pendulum-based absorber-harvester (PAH) system is proposed. The PAH system can convert vibration energy into electrical energy and reduce the swing amplitude of the pendulum. The physical model of the PAH system is introduced, and the governing equations involving the dynamical and electrical parts are derived. Experimental validation is carried out to measure the swing motion of the pendulum. The energy harvesting performance of the PAH system is investigated through numerical simulations, and the vibration absorption performance of the VI EDG is discussed.
Review
Instruments & Instrumentation
Hao Tang, Chunrong Hua, Heng Huang, Weiqun Liu, Zhengbao Yang, Yanping Yuan, Zutao Zhang
Summary: With the rapid development of low-power electronics and the Internet of Things, vibration energy harvesting has gained increasing attention. This article provides a critical review of frequency up-conversion vibration energy harvesters (FUCHs) based on two classification principles. The applications of FUCHs in harvesting energy from low-frequency human motions are discussed, along with the proposed future research directions.
SMART MATERIALS AND STRUCTURES
(2022)
Article
Green & Sustainable Science & Technology
Meisam Farajollahi, Mehrad Goharzay
Summary: This paper proposes a conducting polymer-based PEDOT/IPN/PEDOT trilayer structure for electrochemomechanical energy harvesting applications and presents a vibro-electrochemomechanical model. The simulation results demonstrate the ability of the energy harvester to convert vibration input into electrical energy, generating a power of 986 mu W.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Engineering, Electrical & Electronic
Zuozong Yin, Shiqiao Gao, Lei Jin, Yaoqiang Sun, Qinghe Wu, Xiyang Zhang, Shengkai Guo
Summary: This study presents a dual impact driven piezoelectric energy harvester composed of two units, which can efficiently generate power in a wide frequency range under different excitation conditions, showing potential for powering miniaturized wireless portable devices.
SENSORS AND ACTUATORS A-PHYSICAL
(2021)
Article
Engineering, Mechanical
Guobiao Hu, Junlei Wang, Lihua Tang
Summary: This study presents a piezoelectric energy harvester based on a comb-like beam for harvesting wind energy through the galloping mechanism. Theoretical modeling and mathematical formulations are developed, and experimental verification shows that the harvester outperforms conventional beam structures in energy collection efficiency under specific wind speeds.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Thermodynamics
Ge Shi, Wentao Zeng, Yinshui Xia, Jubing Xa, Shengyou Jin, Qing Li, Xiudeng Wang, Huakang Xia, Yidie Ye
Summary: This study presents a floating piezoelectric electromagnetic hybrid wave vibration energy harvester that is actuated by a rotating wobble ball. The kinematic equation of the rotating wobble ball under the influence of the wave is established by simplifying the ocean wave model. One notable feature of the proposed harvester is its ability to harvest wave vibration energy using a frequency up-conversion mechanism. Experimental results demonstrate that the hybrid energy harvester can efficiently collect low-frequency wave vibrations and generate electrical power.
Article
Energy & Fuels
Ge Shi, Dike Tong, Yinshui Xia, Shengyao Jia, Jian Chang, Qing Li, Xiudeng Wang, Huakang Xia, Yidie Ye
Summary: This study proposes a piezoelectric vibration energy harvester for ultra-low frequency and multi-directional waves, driven by a rotating rolling ball. The harvester floats on the water's surface, generating tilting vibration in different directions when driven by waves, converting vibration wave energy into electrical energy efficiently.
Article
Mechanics
Michele Rosso, Alberto Corigliano, Raffaele Ardito
Summary: The purpose of this work is to improve the modelling process for the application of permanent magnets in a frequency up-conversion mechanism for piezoelectric energy harvesters. Through comparisons with experimental tests and finite element analyses, the effectiveness of magnetic FuC is confirmed, and it is found that the repulsive configuration allows for the recovery of more energy.
Article
Multidisciplinary Sciences
Xin Li, Guobiao Hu, Zhenkun Guo, Junlei Wang, Yaowen Yang, Junrui Liang
Summary: This paper reviews the existing frequency up-conversion techniques for enhancing energy harvesting from low-frequency vibration sources. The methods are classified into impact-based, plucking-based, and snap-through-based approaches according to their working mechanisms. This overview will guide the better design of future kinetic energy harvesting systems.
Article
Materials Science, Multidisciplinary
Mostafa Shahsavar, Mohammad Reza Ashory, Mohammad Mahdi Khatibi
Summary: This paper proposes a novel energy harvester by adding a barrier to a typical bistable energy harvester. Numerical results show that the working frequency bandwidth and extracted power of the system can be significantly increased by the vibro-impact phenomenon. The stiffness and initial gap of the barrier have an effect on the frequency bandwidth of the harvester.
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Dong-Xing Cao, Wei Xia, Xiang-Ying Guo, Siu-Kai Lai
Summary: The paper proposes a vibro-impact piezoelectric VEH with a partial interlayer-separated piezoelectric beam to improve voltage output and frequency bandwidth. Numerical and parametric studies confirm that the proposed VEH has a maximum output power about 12 times higher than traditional ones under 0.2g acceleration. The experimental results validate the theoretical solutions and suggest the potential for further optimization of vibration energy harvesters.
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
(2021)
Article
Engineering, Electrical & Electronic
Guansong Shan, Yang Kuang, Meiling Zhu
Summary: This study presents the design and testing of a piezo stack energy harvester with frequency up-conversion mechanism for scavenging energy from railway track vibration. The experimental results show that the proposed harvester has high power generation efficiency under specific conditions.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Engineering, Electrical & Electronic
Amer Sodah, Rimvydas Gaidys, Birute Narijauskaite, Rokas Sakalys, Giedrius Janusas, Arvydas Palevicius, Paulius Palevicius
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS
(2019)
Article
Automation & Control Systems
Vytautas Ostasevicius, Vytautas Jurenas, Gytautas Balevicius, Ramunas Cesnavicius
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2020)
Article
Engineering, Mechanical
Vytautas Ostasevicius, Vytautas Jurenas, Rimvydas Gaidys, Ievgeniia Golinka, Laura Kizauskiene, Sandra Mikuckyte
Article
Energy & Fuels
Arkadiusz Mystkowski, Vytautas Ostasevicius
Article
Mechanics
Rimvydas Gaidys, Darius Zizys, Paulius Skerys, Audrone Lupeikiene
Article
Mechanics
Sandra Mikuckyte, Vytautas Ostasevicius
Article
Mechanics
Sandra Mikuckyte, Vytautas Ostasevicius
Summary: The human spine shortens during daily activities and returns to its primary height during rest. Cyclic loading is important for nutrient diffusion in intervertebral discs but can also lead to damage if limits are exceeded. A study on multiple intervertebral discs found changes in height and integrity due to cyclic compression and flexion, without significant damage observed.
Article
Chemistry, Analytical
Vytautas Ostasevicius, Paulius Karpavicius, Agne Paulauskaite-Taraseviciene, Vytautas Jurenas, Arkadiusz Mystkowski, Ramunas Cesnavicius, Laura Kizauskiene
Summary: This paper introduces a self-powering wireless sensor node for shank-type rotating tools and a real-time end mill wear monitoring method, which enhances longitudinal oscillations and energy harvesting by cutting helical grooves onto the tool holder horn; proposing a wireless transmission of electrical impulses from capacitor, where discharge pulse frequency predicts tool wear level and workpiece surface roughness; investigating support vector machine (SVM) approach for wear level prediction.
Article
Chemistry, Analytical
Vytautas Ostasevicius, Ieva Paleviciute, Agne Paulauskaite-Taraseviciene, Vytautas Jurenas, Darius Eidukynas, Laura Kizauskiene
Summary: This paper proposes a method for extracting information from the parameters of a single point incremental forming (SPIF) process and develops a force prediction model using machine learning algorithms. The study identifies Artificial Neural Network (ANN) and Gaussian process regression (GPR) as the most efficient methods for this purpose.
Article
Chemistry, Analytical
Vytautas Ostasevicius, Darius Eidukynas, Vytautas Jurenas, Ieva Paleviciute, Marius Gudauskis, Valdas Grigaliunas
Summary: This study aims to evaluate the feasibility of producing small-batch polymer sheet components inexpensively using robotized single point incremental forming (SPIF) without backing plate support. An innovative method involving thermal and ultrasound assisted deformation of polymer sheets was proposed, increasing plasticity and production efficiency.
Article
Chemistry, Physical
Vytautas Ostasevicius, Agne Paulauskaite-Taraseviciene, Ieva Paleviciute, Vytautas Jurenas, Paulius Griskevicius, Darius Eidukynas, Laura Kizauskiene
Summary: This article discusses the impact of locally acting stress field and friction on the single-point incremental forming (SPIF) process. A novel and environmentally friendly method of reducing friction by ultrasonic excitation of the metal sheet is proposed. The finite element method (FEM) is utilized to virtually evaluate the deformation and piercing parameters of the SPIF process in order to determine destructive loads.
Article
Entomology
Shashikanth Chakilam, Jolanta Brozek, Lukasz Chajec, Izabela Poprawa, Rimvydas Gaidys
Summary: This study focused on the antennal sensilla of Nabis rugosus, specifically the trichoideum sensillum as a mechanoreceptor. The morphology and ultrastructure of the sensillum were investigated using SEM and TEM techniques. The results revealed specific features of the sensillum that could be useful in developing biosensor models. The study demonstrates the potential for developing bio-inspired sensors based on morphological and ultrastructural studies.
Article
Biotechnology & Applied Microbiology
Shashikanth Chakilam, Rimvydas Gaidys, Jolanta Brozek
Summary: This paper presents the ultrastructural morphology of Nabis rugosus trichoid sensilla using SEM and TEM data, along with a two-dimensional model. The study shows the shape and scattering of the trichoid mechanosensilla, as well as the ultrastructural components observed in the TEM images. A model and simulation of the sensing mechanism is presented, demonstrating how external loading deflects the hair and presses the dendrite sheath, leading to a longitudinal deformation of the microtubules and the generation of electric potential. The study also discusses the sensilla's pivot point and its relationship with the hair shaft length and electric potential distribution.
BIOENGINEERING-BASEL
(2023)
Proceedings Paper
Engineering, Electrical & Electronic
A. Ceponis, D. Mazeika, V. Jurenas, P. Vasiljev, R. Bareikis, S. Borodinas, V. Ostasevicius
Summary: This paper presents a numerical and experimental investigation of a 2-DOF piezoelectric positioning platform that provides unlimited locomotion in the plane. The study found that the suitable mode of vibration occurs at 23.54 kHz and the platform can generate an output force of 44.16 mN.
16TH INTERNATIONAL CONFERENCE: MECHATRONIC SYSTEMS AND MATERIALS (MSM 2021)
(2022)
