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Journal articles on the topic 'Electromechanical chain'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Zhou, Fangyi. "Analysis of the Impact of the United States' Decoupling of Trade with China on the Global Value Chain Division of China's Mechanical and Electrical Industry." Highlights in Business, Economics and Management 28 (April 9, 2024): 453–57. http://dx.doi.org/10.54097/51c8xa43.

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This article matches the cases of China US trade frictions to various sub sectors of the electromechanical industry, considers the comparative advantage index of heterogeneous product quality, and uses regression analysis to simulate different scenarios of tariffs. It directly affects the participation of Chinese electromechanical products in the global value chain division of labor, and provides reasonable suggestions for maintaining the comparative advantage position of the electromechanical industry in the global division of labor. The conclusion of this article is as follows: 1. The decoup

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2

Zhao, Hui, and Fang Liu. "An Empirical Study on the Impact of Global Value Chain Embeddedness on the Trade of Electromechanical Products between China and the “Belt and Road” Countries." International Journal of Management and Organizational Research 4, no. 2 (2025): 43–51. https://doi.org/10.54660/ijmor.2025.4.2.43-51.

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The division of labor in the global value chain of electromechanical products, as the main products exported by China to the countries along the “Belt and Road”, has become the focus of current research. Based on the sample data of 38 countries along the “Belt and Road” included in the Global Value Chain Database from 2015 to 2021, the article selects six control variables, namely, capital endowment, technological level, GDP per capita, local currency exchange rate, carbon emission and opening-up level, and investigates the relationship between the global value chain and the increase of China'

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3

Zurita-Millán, Daniel, Miguel Delgado-Prieto, Juan José Saucedo-Dorantes, et al. "Vibration Signal Forecasting on Rotating Machinery by means of Signal Decomposition and Neurofuzzy Modeling." Shock and Vibration 2016 (2016): 1–13. http://dx.doi.org/10.1155/2016/2683269.

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Vibration monitoring plays a key role in the industrial machinery reliability since it allows enhancing the performance of the machinery under supervision through the detection of failure modes. Thus, vibration monitoring schemes that give information regarding future condition, that is, prognosis approaches, are of growing interest for the scientific and industrial communities. This work proposes a vibration signal prognosis methodology, applied to a rotating electromechanical system and its associated kinematic chain. The method combines the adaptability of neurofuzzy modeling with a signal

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Wang, Zhong-Xia, and Wei-Qiang Liao. "Giant electromechanical effects in polymers." Science 375, no. 6587 (2022): 1353–54. http://dx.doi.org/10.1126/science.abn7440.

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5

Ignat, Mircea, and George Zarnescu. "The Nano and Micromanipulators Based on Magnetic Bacterium." Advances in Science and Technology 58 (September 2008): 177–82. http://dx.doi.org/10.4028/www.scientific.net/ast.58.177.

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The paper present a type of nano and manipulators which are based on structure of the magnetic bacterium, which is described. There are presented a theoretical study and analisys of the micromechanic circuit with elastic and damper elements, the micromagnetic circuit ( with micromagnetic specific characteristics) and also the electromechanic analogy aspects of the magnetic bacterium. The authors propose some nano and micromanipulators based on the structure of the chain of magnetic bacterium which include the nano or micro magnetic particles. The calculus, electromechanical modeling and experi

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6

Wang, Jing. "Green Supply Chain for Electromechanical Engineering of Rail Transit." IOP Conference Series: Earth and Environmental Science 576 (November 12, 2020): 012030. http://dx.doi.org/10.1088/1755-1315/576/1/012030.

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7

Zhang, Genbao, and Yang Wang. "Reliability Modeling of Electromechanical System with Meta-Action Chain Methodology." Mathematical Problems in Engineering 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/8547141.

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To establish a more flexible and accurate reliability model, the reliability modeling and solving algorithm based on the meta-action chain thought are used in this thesis. Instead of estimating the reliability of the whole system only in the standard operating mode, this dissertation adopts the structure chain and the operating action chain for the system reliability modeling. The failure information and structure information for each component are integrated into the model to overcome the given factors applied in the traditional modeling. In the industrial application, there may be different

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Callanan, J., C. L. Willey, V. W. Chen, J. Liu, M. Nouh, and A. T. Juhl. "Uncovering low frequency band gaps in electrically resonant metamaterials through tuned dissipation and negative impedance conversion." Smart Materials and Structures 31, no. 1 (2021): 015002. http://dx.doi.org/10.1088/1361-665x/ac3434.

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Abstract A new class of electromechanically coupled metamaterial is presented which relies on magnetic field interactions between the host structure and a local resonator circuit to realize novel vibration control capabilities. The metamaterial chain exhibits a highly tunable vibration band gap which can be easily placed at a desired frequency using the resonant circuit parameters, providing a robust mechanism to independently alter the band gap width, depth, and frequency of maximum attenuation. In its dissipative form, the electromechanical metamaterial is shown to exhibit electrical metadam

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9

He, Hua Bo, and Ke Wang. "Behavioral Characteristics of Electromechanical Products and Their Representation Based on a Modified Petri Net." Applied Mechanics and Materials 37-38 (November 2010): 222–25. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.222.

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Behavioral characteristic is one of the important targets in conceptual design and re-design of electromechanical products. To summarize the knowledge of behavior characteristics of electromechanical products, this paper proposed the concepts of behavioral effect, elemental behavior and behavioral chain. It made the modification to classical Petri nets, then analyzed and expressed the behavior characteristics using the modified Petri nets. Finally, a case study of an electric nail-gun was conducted to demonstrate the feasibility of the proposed methodologies.

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10

Mebrat, Ashenafi Abebe, Joshua LeGrande, and Oumar Barry. "Analytical Investigation of Electromechanical Hierarchical Metamaterials for Vibration Attenuation and Energy Harvesting." Applied Sciences 15, no. 7 (2025): 3464. https://doi.org/10.3390/app15073464.

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This work presents a theoretical study of outward and inward hierarchical metamaterials. Hierarchically configured multiple electromechanical resonators with shunt circuits are implemented, maintaining the same overall mass as that of a comparable single resonator metamaterial. The governing equations of motion for the outward and inward hierarchical configurations are derived. Dispersion relations are determined for each configuration with varying system parameters to identify key design parameters and assess their impact on the system’s dynamic behavior. Furthermore, outer mass displacement

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11

Grasinger, Matthew, and Kaushik Dayal. "Statistical mechanical analysis of the electromechanical coupling in an electrically-responsive polymer chain." Soft Matter 16, no. 27 (2020): 6265–84. http://dx.doi.org/10.1039/d0sm00845a.

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Polymers that couple deformation and electrostatics have potential application in soft sensors and actuators for robotics and biomedical technologies. This paper applies statistical mechanics to study their coupled electromechanical response.

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12

Cohen, Noy, and Gal deBotton. "The electromechanical response of polymer networks with long-chain molecules." Mathematics and Mechanics of Solids 20, no. 6 (2014): 721–28. http://dx.doi.org/10.1177/1081286514550574.

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13

Yusuf, Yusril, Shigehiro Hashimoto, P. E. Cladis, et al. "Main Chain Liquid-Crystalline Elastomers: Swelling Dynamics and Electromechanical Effects." Molecular Crystals and Liquid Crystals 508, no. 1 (2009): 367/[729]—379/[741]. http://dx.doi.org/10.1080/15421400903065903.

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14

Hegedűs, György, and Sándor Apáti. "Investigation and simulation of a scotch yoke mechanism." Multidiszciplináris Tudományok 13, no. 2 (2023): 144–52. http://dx.doi.org/10.35925/j.multi.2023.2.13.

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This paper studies the electromechanical model of a jigsaw mechanism. The jigsaw is powered by a battery, which drives a DC motor. The rotational motion is converted into linear motion through a Scotch Yoke mechanism. The electromechanical equations are based on energy approach using the Lagrange-equation. The Lagrange function contains the energies of the model, i.e., the kinetic co-energy of the kinematic chain and the magnetic co-energy of the inductance. As regard the non-conservative elements their virtual works are written. The formulated equations of the jigsaw model allow us to examine

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15

Maré, Jean-Charles. "Practical Considerations in the Modelling and Simulation of Electromechanical Actuators." Actuators 9, no. 4 (2020): 94. http://dx.doi.org/10.3390/act9040094.

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The work reported here was aimed at improving the practical efficiency of the model-based development and integration of electromechanical actuators. Models are proposed to serve as preliminary design, virtual prototyping, and validation. The first part focuses on the early phases of a project in order to facilitate the identification of modelling needs and constraints, and to build a top-level electromechanical actuator model for preliminary studies and sub-specification. Detailed modelling and simulation are then addressed with a mixed view on the control, power capability, and thermal balan

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16

Füvesi, V., and E. Kovács. "Separation of faults of electromechanical drive chain using artificial intelligence methods." International Review of Applied Sciences and Engineering 4, no. 1 (2013): 35–41. http://dx.doi.org/10.1556/irase.4.2013.1.5.

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Abstract In this paper a complex drive chain is modelled with Local Linear Neuro-Fuzzy Model (LLNF). The developed models were used for detecting different faults that may occur in the system. The models were developed based on measurements carried out on the real system. Using feed-forward neural networks with perceptron neuron structure, model-based fault diagnosis of the analysed system was developed to separate the different faults. The performance and efficiency of the developed different types of artificial neural network's structures were compared using gradient based edge detection met

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17

Chaibet, Ahmed, Cherif Larouci, and Moussa Boukhnifer. "A Hybrid Electric Vehicle Transmission Chain Simulator Based on Electromechanical Actuators." Journal of Asian Electric Vehicles 9, no. 2 (2011): 1537–42. http://dx.doi.org/10.4130/jaev.9.1537.

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18

Gendvilienė, Vida, Irma Martišienė, Danguolė Zablockaitė, and Jonas Jurevičius. "Effect of inhibitors of mitochondrial respiratory chain complexes on the electromechanical activity in human myocardium." Medicina 46, no. 10 (2010): 679. http://dx.doi.org/10.3390/medicina46100096.

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The aim of the study was to investigate the effect of inhibitors of mitochondrial respiratory chain complexes I, III, and IV on the electromechanical activity in human myocardium. Material and methods. The experiments were performed on the human myocardial strips obtained from patients with heart failure (NYHA class III or IV) using a conventional method of registration of myocardial electromechanical activity. Under the perfusion with physiological Tyrode solution (control), contraction force (P) was 0.94±0.12 mN (n=16), relaxation time (t50) was 173.38±5.03 ms (n=15), action potential durati

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19

Liu, Canchang, Chicheng Ma, Zhichang Qin, and Changcheng Zhou. "Lateral vibration analysis of monatomic chains considering atomic longitudinal displacement." Journal of Low Frequency Noise, Vibration and Active Control 38, no. 2 (2019): 457–72. http://dx.doi.org/10.1177/1461348419828606.

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The lateral vibration of monatomic chains considering atomic longitudinal displacements is studied by using the string vibration theory. The modes of lateral vibration of monatomic chains are assumed as the modes of string vibration. Based on the string assumption, the equation of string vibration for monatomic chains is established. Coordinates of the vibration atoms can be calculated by utilizing boundary conditions and symmetry conditions of monatomic chains. The natural angular frequencies of transverse vibration of monatomic chains are calculated by the string vibration method. The tensio

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20

Tymofieieva, O. "INVESTIGATION OF THE TEMPERATURE FACTORS INFLUENCE ON OPERATING SAFETY THE SUBMERSIBLE ELECTROMECHANICAL CONVERTER." Municipal economy of cities 1, no. 161 (2021): 328–33. http://dx.doi.org/10.33042/2522-1809-2021-1-161-328-333.

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The article presents a mathematical model of the thermal field for determining the values of temperatures during the submersible electromechanical converter operation. The influence of obtained temperature values on the safety and reliability of the submersible electromechanical converter is analyzed. In a submersible electromechanical converter the windings temperature has great importance. On the one hand, the windings temperature must be such as to transfer a sufficient amount of heat to the viscous loading environment for its processing (movement, transportation, etc.) to begin. On the oth

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21

Itskov, Mikhail, Vu Ngoc Khiêm, and Sugeng Waluyo. "Electroelasticity of dielectric elastomers based on molecular chain statistics." Mathematics and Mechanics of Solids 24, no. 3 (2018): 862–73. http://dx.doi.org/10.1177/1081286518755846.

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The mechanical response of dielectric elastomers can be influenced or even controlled by an imposed electric field. It can, for example, cause mechanical stress or strain without any applied load; this phenomenon is referred to as electrostriction. There are many purely phenomenological hyperelastic models describing this electroactive response of dielectric elastomers. In this contribution, we propose an electromechanical constitutive model based on molecular chain statistics. The model considers polarization of single polymer chain segments and takes into account their directional distributi

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22

Sood, Bhanu, and Paula M. George. "G-19 Update: Management of Testing and Inspection Data Generated from Counterfeit Parts Inspection." EDFA Technical Articles 14, no. 2 (2012): 28–29. http://dx.doi.org/10.31399/asm.edfa.2012-2.p028.

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Abstract Counterfeit electronic parts have become a significant cause of concern in the electronics part supply chain. Several factors that contribute to the targeting of the electrical, electronic, and electromechanical (EEE) parts market by counterfeiters include parts obsolescence, extended lead times, the absence of verification tools, the availability of scrapped or salvaged parts, and the high costs associated with inspection/testing procedures. This article reports on the status of efforts by the G-19 Committee of SAE International to develop standards in response to increasing numbers

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23

Hiraoka, Kazuyuki, Toyohisa Kishimoto, Masayuki Kato, and Tohru Tashiro. "Electroclinic and electromechanical effects of a side-chain chiral smectic A elastomer." Liquid Crystals 38, no. 4 (2011): 489–93. http://dx.doi.org/10.1080/02678292.2011.552744.

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24

Mao, Jie, Tiefeng Li, and Yingwu Luo. "Significantly improved electromechanical performance of dielectric elastomers via alkyl side-chain engineering." Journal of Materials Chemistry C 5, no. 27 (2017): 6834–41. http://dx.doi.org/10.1039/c7tc01221g.

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25

Nuraliev, А. К., T. Amirov, and А. J. Esenbekov. "On the energy efficiency of electromechanical systems with an electromagnetic vibration exciter." E3S Web of Conferences 216 (2020): 01108. http://dx.doi.org/10.1051/e3sconf/202021601108.

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Study shake the phenomena in the electromechanical systems (EMS) are presented by permanent interest for the wide circle of researchers. The most effective source of vibrations in many cases is an electromagnetic causative vibration exciters (EMCV) in that there is transformation of electric power to energy of mechanical vibrations, that is related to the change of inductance. Electromagnetic vibration exciters have a number of significant advantages over other types of exciters. Due to the absence of rubbing parts they have high reliability and durability. They allow you to smoothly adjust th

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26

Kaplan, Halid, Kambiz Tehrani, and Mo Jamshidi. "A Fault Diagnosis Design Based on Deep Learning Approach for Electric Vehicle Applications." Energies 14, no. 20 (2021): 6599. http://dx.doi.org/10.3390/en14206599.

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Diagnosing faults in electric vehicles (EVs) is a great challenge. The purpose of this paper is to demonstrate the detection of faults in an electromechanical conversion chain for conventional or autonomous EVs. The information and data coming from different sensors make it possible for EVs to recover a series of information including currents, voltages, speeds, and so on. This information is processed to detect any faults in the electromechanical conversion chain. The novelty of this study is to develop an architecture for a fault diagnosis model by means of the feature extraction technique.

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Cohen, Noy, Andreas Menzel, and Gal deBotton. "Towards a physics-based multiscale modelling of the electro-mechanical coupling in electro-active polymers." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2186 (2016): 20150462. http://dx.doi.org/10.1098/rspa.2015.0462.

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Owing to the increasing number of industrial applications of electro-active polymers (EAPs), there is a growing need for electromechanical models which accurately capture their behaviour. To this end, we compare the predicted behaviour of EAPs undergoing homogeneous deformations according to three electromechanical models. The first model is a phenomenological continuum-based model composed of the mechanical Gent model and a linear relationship between the electric field and the polarization. The electrical and the mechanical responses according to the second model are based on the physical st

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Fan, Peng, and Hualing Chen. "Effect of crosslinks, entanglements, and chain extensibilities on dynamic electromechanical instability of dielectric elastomers." EPL (Europhysics Letters) 124, no. 3 (2018): 37001. http://dx.doi.org/10.1209/0295-5075/124/37001.

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Sadroddini, Mohsen, and Mehdi Razzaghi-Kashani. "Electromechanical performance of polydimethylsiloxane containing reduced graphene oxide grafted by long-chain alkyl silane." Journal of Materials Science: Materials in Electronics 31, no. 21 (2020): 18844–57. http://dx.doi.org/10.1007/s10854-020-04423-2.

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30

Machado, C., S. Baudon, M. Guessasma, et al. "An Original DEM Bearing Model with Electromechanical Coupling." International Journal of Computational Methods 16, no. 05 (2019): 1840006. http://dx.doi.org/10.1142/s0219876218400066.

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We have developped an original 2D modeling of bearings by Discrete Element Method (DEM). The mechanical behavior and the dynamic of a bearing is well reproduced. An electromechanical coupling is introduced to provide monitoring solutions. In practice, the mechanical state in real-time is usually unknown and existing numerical methods are restricted. Electromechanical coupling seems to be able to indirectly measure the dynamic loading of the bearing. This behavior leads to the development of a new monitoring method based on electrical signatures. The study proposes an original method of simulat

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Peng, Li, Gao Zhi-gang, and Zhou Jun. "Power Loss and Heat Dissipation Characteristics of High-Power Electromechanical Actuators." MATEC Web of Conferences 153 (2018): 03003. http://dx.doi.org/10.1051/matecconf/201815303003.

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Due to serious power loss and heating caused by compact volume and high power density of high power electromechanical actuator (EMA), thermal analysis is becoming the key aspects in its design optimization. Numerical calculation method is proposed to calculate the electrical loss, iron core loss and drive chain mechanical loss in EMA. An equivalent thermal network model based on lumped parameters is established, with the acquisition of heat transfer matrix equation of all network nodes. Temperature rise of each part of the EMA is obtained by solving the equation. By comparison of simulated tem

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32

Ivanov, Artem. "Simple in-system control of microphone sensitivities in an array." Journal of Sensors and Sensor Systems 13, no. 1 (2024): 81–88. http://dx.doi.org/10.5194/jsss-13-81-2024.

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Abstract. A method to perform measurements of microphone responses directly in the array of a sensor system is described. It can be applied in reverberant environments and does not require high instrumentation effort. Due to the use of internal hardware of the sensor system, the whole signal chain of microphone–preamplifier–analogue-to-digital converter is characterized. The method was successfully tested for calibration of two types of planar arrays constructed with micro-electromechanical system (MEMS) microphones. Presented experimental results illustrate achieved performance, and possible

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Zhang, Xi, Mingming Ren, Hongju Wang, and Lei Jin. "Simulation Study on Dynamic Characteristics of the Chain Drive System for Mining Scraper Conveyor Driven by the Permanent Magnet Synchronous Motor." Processes 12, no. 1 (2024): 165. http://dx.doi.org/10.3390/pr12010165.

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The chain drive system represents a critical subsystem within the scraper conveyor. This paper proposes a joint simulation model for the drive system of the scraper conveyor, driven by the permanent magnet synchronous motor, in order to conduct a comprehensive analysis of the dynamic characteristics of the chain drive system during the operational process. Firstly, the dynamic simulation model for the mining scraper conveyor’s chain drive system was established in ADAMS, taking into account its structural characteristics. Then, the mathematical model of the permanent magnet synchronous motor w

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34

Wan, Qi, Chunyu Song, Yong Zhou, Ruiting Tong, Shangjun Ma, and Geng Liu. "Modeling and Analysis of the Flap Actuation System Considering the Nonlinear Factors of EMA, Joint Clearance and Flexibility." Aerospace 11, no. 6 (2024): 440. http://dx.doi.org/10.3390/aerospace11060440.

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The performance of the flap actuation system directly affects the control effect and the flight quality of an aircraft. The electromechanical actuator (EMA) and the linkage mechanism are important components of the system. In order to achieve the goals of good transmission accuracy and dynamic response, the influence of nonlinear properties in the transmission chain including the EMA and linkage mechanism should be considered. A co-simulation model at the system-level of the flap actuation system was developed, which takes nonlinear factors of the EMA, the impact dynamics of the linkage mechan

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35

Ellingsen, O., A. J. Davidoff, S. K. Prasad, et al. "Adult rat ventricular myocytes cultured in defined medium: phenotype and electromechanical function." American Journal of Physiology-Heart and Circulatory Physiology 265, no. 2 (1993): H747—H754. http://dx.doi.org/10.1152/ajpheart.1993.265.2.h747.

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We studied primary short-term cultures of adult rat ventricular myocytes in defined medium to determine whether phenotype and electromechanical function are maintained in rod-shaped, quiescent cells. Although > 80% of the myocytes retained their rod-shaped in vivo morphology for up to 72 h, contractile function as measured by cell edge motion declined 30-50% from 6 to 24 h, paralleling a 68% shortening of action potential duration. From 24 to 72 h, contractility remained unchanged. Ca2+ channel current density increased 55% after 24-48 h and then returned to the level of freshly isolated ce

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Ireta-Muñoz, Laura Alejandra, Isaías Cueva-Pérez, David Alejandro Elvira-Ortiz, Leonardo Esteban Moreno-Suárez, and Ángel Pérez-Cruz. "Study of Mechanical Response of Paper-Based Microfluidic System as a Potential Milk Tester." Micromachines 14, no. 7 (2023): 1380. http://dx.doi.org/10.3390/mi14071380.

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Milk is considered a complete meal that requires supervision to determine its suitability for human consumption. The development of sustainable devices that evaluate food properties has gained importance due to the necessity of integrating these instruments into the production chain. However, the materials employed to develop it, such as polymers, semiconductors, and glass, lack sustainability and require specialized equipment to fabricate them. Different chemical techniques have been used to miniaturize these detection systems such as microfluidics, which have been used in milk component dete

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Akhil, Jakkula, Jahira Banu T, Yogesh Ashok Sontakke, and Gopisankar Balaji. "Postoperative Rehabilitation of Anterior Cruciate Ligament Reconstruction." Clinical Medicine And Health Research Journal 2, no. 5 (2022): 187–90. http://dx.doi.org/10.18535/cmhrj.v2i5.79.

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Anterior cruciate ligament injury is commonly seen in sports related trauma. Complete tear requires surgical reconstruction. During postoperative rehabilitation, because of arthrogenic muscle inhibition (AMI), the quadriceps muscle remains inactive and has reduced contraction. Various strategies were aimed at treating this AMI and/or improve quadriceps strength such as open chain (OKC) and closed chain kinetic (CKC) exercises, blood flow resistance training (BFRT), cryotherapy, and transcutaneous nerve stimulation (TENS). Of all these, CKC was better than OKC in improving the range of movement

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Lipiński, Krzysztof, and Zbigniew Kneba. "Rigid Finite Element Modeling for Identification of Vibrations in Elastic Rod Driven by a DC-Motor Supplied from a Thyristor Rectifier." Solid State Phenomena 164 (June 2010): 297–302. http://dx.doi.org/10.4028/www.scientific.net/ssp.164.297.

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The paper deals with the numerical analysis of electromechanical systems. The system consists of a DC motor supplied from a half-wave, single phase, thyristor rectifier, and of a flexible rod fixed to the axis of armature. Discretization of rigid segments is used to model flexibility of the rod. The discrete structure is considered as a multibody system, i.e. as a single kinematical chain of rigid bodies connected by massless joints. Significant drift rotation is included in the rod model. Numerical integration is performed in order to predict behavior of the system. Two working conditions are

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Liang, Yongri, Tongtong Cui, and Li Liu. "Effect of multi-armed chain extender on microphase morphology, stress-strain behavior and electromechanical properties of polyurethane elastomers." Polymer 235 (November 2021): 124279. http://dx.doi.org/10.1016/j.polymer.2021.124279.

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40

Abdinov, R. Sh, S. S. Nurkeev, and R. Silvestri. "Modelling of Processes of Decomposition of Organic Compounds of Municipal Solid Wastes in Cross Electromechanical Fields." Eurasian Chemico-Technological Journal 13, no. 3-4 (2010): 235. http://dx.doi.org/10.18321/ectj89.

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At the present time, one of the most common methods of disposing the municipal solid wastes (MSW) is burial in sanitary landfills, where take place, long-term complex of physico-chemical and biochemical processes of decomposition. It was developed modeling of the natural process of decomposition of the solid Municipal wastes in cross electromechanical fields. The synthesized pellets was studied by IR spectroscopy. Residual hydrocarbons has a complex structure, represented by δ-lactones, cyclopentanone. The results of treatment of husk show there were the characteristic frequencies related to t

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Kazakov, Yu B., and I. A. Palilov. "Refined simulation and experimental study of energy efficient testing system of asynchronous machines." Vestnik IGEU, no. 6 (December 28, 2022): 18–25. http://dx.doi.org/10.17588/2072-2672.2022.6.018-025.

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When testing asynchronous machines, it is important to use energy-efficient methods, for example, the method of mutual loading of two machines with articulated shafts. One machine operates in the mode of the motor – frequency converter, the second machine operates in the mode of the generator – industrial frequency network. Both machines are simultaneously tested under load and energy costs for testing are reduced due to its recuperation. The method requires a correct loading algorithm. The modeling of the method based on chain models does not consider the implementation feature. Thus, it is a

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Jelbaoui, Yakout Khadouj, El Menzhi Lamiaà, and Abdallah Saad. "Fault diagnosis of a squirrel cage induction motor fed by an inverter using lissajous curve of an auxiliary winding voltage." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 3 (2021): 1299. http://dx.doi.org/10.11591/ijeecs.v21.i3.pp1299-1308.

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The development of electronic power components has allowed the increase of the induction machine performance. Indeed, monitoring squirrel cage induction motors driven through rectifiers and inverters has been a major concern. This paper presents a new method to diagnose the combination inverter-machine faults. This technic considers an auxiliary winding which is a small coil inserted between two stator phases. It is based on Lissajous curve of this auxiliary winding voltage Park components. For this purpose, modeling the electromechanical conversion chain is necessary. The focus will particula

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Jelbaoui, Yakout Khadouj, El Menzhi Lamiaà, and Abdallah Saad. "Fault diagnosis of a squirrel cage induction motor fed by an inverter using lissajous curve of an auxiliary winding voltage." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 3 (2021): 1299–308. https://doi.org/10.11591/ijeecs.v21.i3.pp1299-1308.

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Abstract:

The development of power electronic components has allowed the increase of the induction machine performance. Indeed, monitoring squirrel cage induction motors driven through rectifiers and inverters has been a major concern. This paper presents a new method to diagnose the combination inverter-machine faults. This technic considers an auxiliary winding which is a small coil inserted between two stator phases. It is based on Lissajous curve of this auxiliary winding voltage Park components. For this purpose, modeling the electromechanical conversion chain is necessary. The focus will particula

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Zhour, Abada, Ghoudelbourk Sihem, and DIB Djalel. "A New Approach to Fault Detection in the Power Converter in Wind Turbine Conversion Systems." International Journal of Robotics and Control Systems 1, no. 4 (2021): 428–39. http://dx.doi.org/10.31763/ijrcs.v1i4.443.

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The detection of faults in a wind turbine chain is of prime importance in order to maintain safety, enhance reliability and improve economic performance. In addition, wind systems have to ensure a continuity of service for a considerable period of time in the event of an electrical fault in the network or a fault in one of the elements of the electromechanical conversion system. This paper presents a fault detection methodology of the power converter within a wind turbine chain, equipped with a Doubly-Fed Induction Generator (DFIG). A configurable, fast, and accurate scheme is developed, the b

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An, Junru, Yangyang Jiang, Bing Shi, Di Wu, and Wenming Wu. "Low-Cost Battery-Powered and User-Friendly Real-Time Quantitative PCR System for the Detection of Multigene." Micromachines 11, no. 4 (2020): 435. http://dx.doi.org/10.3390/mi11040435.

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Real-time polymerase chain reaction (PCR) is the standard for nucleic acid detection and plays an important role in many fields. A new chip design is proposed in this study to avoid the use of expensive instruments for hydrophobic treatment of the surface, and a new injection method solves the issue of bubbles formed during the temperature cycle. We built a battery-powered real-time PCR device to follow polymerase chain reaction using fluorescence detection and developed an independently designed electromechanical control system and a fluorescence analysis software to control the temperature c

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Martynov, Yurii, Oleksandr Petrenko, and Borys Liubarskyi. "Defining the Main Parameters and Performances of the Elevator Motor." NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, no. 4 (December 30, 2021): 52–55. http://dx.doi.org/10.20998/2078-774x.2021.04.08.

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Contemporary tendencies relentlessly dictate the conditions for the appearance of a more qualitative, reliable and comfortable elevator chain for the rolling stock of a vertical motion. At the same time, the issues of energy saving and cost-effective use of resources gain currency against the background of rising prices for energy carriers and market prices for various elements that play an essential role in the availability of many electromechanical systems. Unfortunately, attention was paid to the availability of above problems in the elevator sector when the majority of the elevators (about

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Kim, Soo J., Roland R. Roy, Hui Zhong, et al. "Electromechanical stimulation ameliorates inactivity-induced adaptations in the medial gastrocnemius of adult rats." Journal of Applied Physiology 103, no. 1 (2007): 195–205. http://dx.doi.org/10.1152/japplphysiol.01427.2006.

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The efficacy of high-load, short-duration isometric contractions, delivered as one vs. two sessions per day, on blunting inactivity-induced adaptations in the medial gastrocnemius (MG) were compared. Adult rats were assigned to a control (Con) or spinal cord-isolated (SI) group where one limb was stimulated (SI-Stim) while the other served as a SI control (SI-C). One bout of stimulation (BION microstimulator) consisted of a 100-Hz, 1-s stimulus, delivered every 30 s for 5 min with a 5-min rest period. This bout was repeated six times consecutively (SI-Stim1) or with a 9-h rest interval after t

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Zhou, Zitong, Yanyang Zi, Jinglong Chen, and Tong An. "Hazard Analysis for Escalator Emergency Braking System via System Safety Analysis Method Based on STAMP." Applied Sciences 9, no. 21 (2019): 4530. http://dx.doi.org/10.3390/app9214530.

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Due to the complex mechanical structure and control process of escalator emergency braking systems (EEBS), traditional hazard analysis based on the event chain model have limitations in exploring component interaction failure in such a complex social-technical system. Therefore, a hazard analysis framework is proposed in this paper for hazard analysis of complex electromechanical systems based on system-theoretic accident model and process (STAMP). Firstly, basic principles of STAMP are introduced and comparison with other hazard analysis methods is conducted, then the safety analysis framewor

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Chen, Zhaoxiang, Yihai He, Fengdi Liu, Chunling Zhu, and Di Zhou. "Product infant failure risk modeling based on quality variation propagation and functional failure dependency." Advances in Mechanical Engineering 10, no. 12 (2018): 168781401881658. http://dx.doi.org/10.1177/1687814018816587.

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Product infant failure is the most crucial part of product quality risk that critically affects customer satisfaction. However, most of manufacturers lack sufficient understanding of the formation mechanism of product infant failure and quantitative infant failure risk modeling technology. These issues cause the inefficiency of warranty policy in preventing and controlling infant failure risk. Therefore, first, on the basis of the reverse mapping process of axiomatic design, an infant failure risk formation chain, that is, “process quality variation—physical defect—functional vulnerability—inf

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Benítez-Morales, José G., Ángel Ricardo Licona, Ma Angeles Alamilla, Ma Angeles Alamilla, Javier Hernández, and Javier Hernández. "Rehap: A lower limb rehabilitation system for adults." International Journal of Combinatorial Optimization Problems and Informatics 13, no. 4 (2022): 58–72. https://doi.org/10.61467/2007.1558.2022.v13i4.316.

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During passive rehabilitation, the medical therapist performs specific routines on the patient's limbs who have suffered physiological damage and has partial lost or total mobility and muscle strength. Currently, there are commercial devices of manual nature that assist the doctor during the application of routines. However, the majority are closed kinematic chain which limits the number of angles that can be reached. In this article, it is detailed the design and development of an electro-mechanical system for an autonomous passive lower extremity rehabilitator. The mechanical system is devel

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