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Journal articles on the topic 'Electric machinery'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2024

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1

Ku, Y. H. "Electric machinery." Journal of the Franklin Institute 319, no. 4 (1985): 457. http://dx.doi.org/10.1016/0016-0032(85)90014-6.

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2

Wiik, Marianne Kjendseth, Shabnam Homaei, and Randulf Høyli. "A mapping of electric construction machinery and electric construction sites in Norway." Journal of Physics: Conference Series 2600, no. 4 (2023): 042016. http://dx.doi.org/10.1088/1742-6596/2600/4/042016.

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Abstract The Norwegian construction industry is responsible for ca. 2.2 million tonnes CO2eq in 2021. The rise in GHG emissions, noise and air pollution in the built environment is becoming a potential hazard due to the large growth of construction activities within cities. As a response, actors from the Norwegian construction industry have converted diesel construction machinery to electric operation to reduce these impacts. As a result, the electric construction machinery market in Norway has grown exponentially. However, access to electric construction machinery varies greatly. The aim of t

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3

Karasoy, Sertaç, Mustafa Burak Can, Fatma Öz, and Ferhan Fıçıcı. "Electric Motor Selection Criteria for Traction System in Construction Machines." Orclever Proceedings of Research and Development 4, no. 1 (2024): 123–46. http://dx.doi.org/10.56038/oprd.v4i1.471.

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Recent developments in electric motors in construction machinery and the automotive sector's trend towards electric traction in recent years are among the factors triggering and influencing the shift towards electric traction in construction machinery. There is no doubt that electric construction machinery will be the first choice for urban operations in the future, but many research and development efforts are still ongoing to dominate the market. Electric motors are the most important components of power transmission systems in electric machines. The trend towards increasing power density an

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4

Yuan, Jian, Hao Liu, and Yang Zhang. "Automatic detection method of abnormal vibration of engineering electric drive construction machinery." Electronic Research Archive 31, no. 10 (2023): 6327–46. http://dx.doi.org/10.3934/era.2023320.

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<abstract> <p>Aiming at the problem that the extraction effect of abnormal vibration characteristics of current engineering electric drive construction machinery is poor, an automatic detection method of abnormal vibration of engineering electric drive construction machinery is proposed. Firstly, the abnormal data of mechanical abnormal vibration are collected and identified, and based on the identification results, the dynamic characteristic model of engineering electric drive construction machinery is constructed. The empirical mode decomposition and Hilbert spectrum are used to

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5

Сhervinsky, Leonid, Oleksandr Savoiskyi, and Viktor Sirenko. "The influence of ultrasonic processing on the structure and electrophysical properties of fruit in combined drying." Naukovij žurnal «Tehnìka ta energetika» 14, no. 2 (2023): 70–79. http://dx.doi.org/10.31548/machinery/2.2023.70.

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The intensification of ultrasonic vibrations for the processing of agricultural products is becoming increasingly important in the food industry, as it can reduce energy consumption for the dehydration of raw materials. The research aims to study the effect of sonication on the change of electrophysical parameters and structure of apple raw materials in the process of combined drying using direct electric heating. Using scanning electron microscopy, images of the surface structure of dried apple samples were obtained at different combinations of sonication duration and methods of heat supply t

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6

Saidane, A. "Electric Machinery and Transformers." Microelectronics Journal 32, no. 9 (2001): 787. http://dx.doi.org/10.1016/s0026-2692(01)00052-0.

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7

MU, Hongyun, Yanlei LUO, and Yu LUO. "Electro-Hydraulic Load-Sensitive Simulation Study of Walking Hy-draulic System of Electric Agricultural Machinery." Mechanics 28, no. 6 (2022): 481–89. http://dx.doi.org/10.5755/j02.mech.31470.

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The conventional load-sensitive hydraulic drive chassis system for agricultural machinery uses a combination of engine and load-sensitive pump, which cannot adjust the control strategy according to the working conditions. It does not meet the current trend of energy-saving and emission reduction. To this end, an electro-hydraulic load-sensitive hydraulic drive chassis system for agricultural machinery, which uses a combination of permanent magnet synchronous motor and quantitative pump, is proposed. A variable LS differential pressure control and a variable differential pressure control of the

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8

Yang, Guo Yong, and Kan Feng Gu. "Several Key Issues in the Electric Refitting of Engineering Machinery." Advanced Materials Research 663 (February 2013): 459–64. http://dx.doi.org/10.4028/www.scientific.net/amr.663.459.

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The position and application of hydraulic system on the engineering machinery are analyzed while the current situation and application of electric technology are discussed. A new idea is proposed in which the end effectors are driven by electric motors while the restriction of hydraulic system is taken over. Several key problems are analyzed during the refitting of engineering machinery such as the high-power, the distribution and focus of energy, the source of energy and the redesign of the control system. The detail is discussed with the Komatsu excavator PC200-8. The advantages of electric

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9

Spooner, E. "Book Review: Electric Machinery Fundamentals." International Journal of Electrical Engineering & Education 24, no. 2 (1987): 190. http://dx.doi.org/10.1177/002072098702400219.

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10

Sudhoff, Scott D., and Raj Sahu. "Metamodeling of Rotating Electric Machinery." IEEE Transactions on Energy Conversion 33, no. 3 (2018): 1058–71. http://dx.doi.org/10.1109/tec.2018.2793160.

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11

Strekalina, Daria, Elena Podust, Egor Yakushko, Polina Cheka, and Ulyana Shamaeva. "Tungsten coating technologies for agricultural machinery engine parts." E3S Web of Conferences 494 (2024): 04034. http://dx.doi.org/10.1051/e3sconf/202449404034.

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The article reviews the possibilities of using tungsten for engine parts of agricultural machinery and the transition to electric motors. The use of electric motors for agricultural machinery and experience in the production of electric tractors is described. A description of the manufacturers of electric tractors and their advantages is given. The materials of motor parts are described, including the use of tungsten. CVD coatings are selected and described as a technology for electric motor applications. The technology of obtaining tungsten coatings on the electrodes of the engine of agricult

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12

Junge, Stefan, Mykola Zablodskiy, Nataliia Zaiets, Roman Chuenko, and Stanislav Kovalchuk. "The screw-type electrothermomechanical converter as a source of multiphysical influence on the technological environment." Naukovij žurnal «Tehnìka ta energetika» 14, no. 3 (2023): 34–46. http://dx.doi.org/10.31548/machinery/3.2023.34.

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In ensuring the reliability of electromechanical converters in harsh conditions, the problem of increasing the energy efficiency of their application through structural, functional, and thermal integration with the technological environment is present. Thus, the research aims to determine the conditions of the direct multiphysical impact of a screw-type electromechanical converter on the technological environment. The method used is based on determining the list of features of screw-type electromechanical converters using the Comsol Multiphysics software, and a combination of three-dimensional

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13

Safonov, A. S. "Basic measures allowing to increase the energy efficiency of electric equipment in agroindustrial complex." Traktory i sel hozmashiny 81, no. 6 (2014): 48–51. http://dx.doi.org/10.17816/0321-4443-65640.

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Measures increasing energy efficiency of electric equipment in the agroindustrial complex are considered, namely applicability of energy efficient electric motors, frequency regulation and special electric motors in an electric drive of agricultural machinery.

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14

Xu, Shaoyi, Fangfang Xing, Ruilin Wang, Wei Li, Yuqiao Wang, and Xianghui Wang. "Vibration sensor for the health monitoring of the large rotating machinery: review and outlook." Sensor Review 38, no. 1 (2018): 44–64. http://dx.doi.org/10.1108/sr-03-2017-0049.

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Purpose At present, one of the key equipment in pillar industries is a large rotating machinery. Conducting regular health monitoring is important for ensuring safe operation of the large rotating machinery. Because vibrations sensors play an important role in the workings of the rotating machinery, measuring its vibration signal is an important task in health monitoring. This paper aims to present these. Design/methodology/approach In this work, the contact vibration sensor and the non-contact vibration sensor have been discussed. These sensors consist of two types: the electric vibration sen

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15

Bae, Insu, and Suan Lee. "A Multi-Input Convolutional Neural Network Model for Electric Motor Mechanical Fault Classification Using Multiple Image Transformation and Merging Methods." Machines 12, no. 2 (2024): 105. http://dx.doi.org/10.3390/machines12020105.

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This paper addresses the critical issue of fault detection and prediction in electric motor machinery, a prevalent challenge in industrial applications. Faults in these machines, stemming from mechanical or electrical issues, often lead to performance degradation or malfunctions, manifesting as abnormal signals in vibrations or currents. Our research focuses on enhancing the accuracy of fault classification in electric motor facilities, employing innovative image transformation methods—recurrence plots (RPs), the Gramian angular summation field (GASF), and the Gramian angular difference field

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16

Tegopoulos, J. "Book Review: Analysis of Electric Machinery." International Journal of Electrical Engineering & Education 25, no. 1 (1988): 83–84. http://dx.doi.org/10.1177/002072098802500121.

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17

Salon, S. J. "Finite element analysis of electric machinery." IEEE Computer Applications in Power 3, no. 2 (1990): 29–32. http://dx.doi.org/10.1109/67.53227.

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18

Ciupitu, Liviu, Andrei Tudor, Doru Turcan, and Daniel Sandor. "Vibration Diagnosis of Electric Motor’s Bearings." Advanced Materials Research 463-464 (February 2012): 1725–28. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.1725.

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Recently technologies like vibration monitoring or acoustic measurement help the maintenance to improve the OEE (overall equipment effectiveness) factor. For example SKF company uses for fault detection vibration and temperature sensors and vibration signal processing techniques that differentiate between normal machinery process vibrations and abnormal vibrations caused by machinery faults. The fault can be eliminated or monitored until maintenance and repairs can be organized in a cost-effective way. The type of pattern with frosted or fluted features on the bearing inner or outer race it's

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19

Guo, Tong, Tianliang Lin, Qihuai Chen, Haoling Ren, and Shengjie Fu. "Research on Constant Power Control Strategy of Pure Electric Excavator." Applied Sciences 10, no. 21 (2020): 7599. http://dx.doi.org/10.3390/app10217599.

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Electric construction machinery can achieve zero emissions and be pollution free in the process of construction. In an electric excavator, to make full use of the output power of the power source, the output power of the electric motor (EM) should be absorbed by a hydraulic pump on the most attainable level. Therefore, constant power control is generally employed to achieve power matching between the power source and hydraulic pump. In this paper, considering the shortcomings of a single constant power point in a traditional load sensing system of electric construction machinery, combining the

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20

Ma, Yuchuan, Qiao Wang, Min Ye, and Gaoqi Lian. "Robust Control for the Hybrid Energy System of an Electric Loader." Machines 11, no. 4 (2023): 454. http://dx.doi.org/10.3390/machines11040454.

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With the wide application of electric vehicles and the development of battery technology, pure electric construction machinery (PECM) has received more and more attention due to its high efficiency and no pollution. The working conditions of construction machinery are complex and accompanied by periodical working conditions and heavy load. For electric construction machinery, a heavy load represents an energy supply with a large current. To adapt to the working conditions of PECM, this paper proposes a robust controller to regulate the current of the hybrid energy system (HES) which include th

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21

Zhang, Shi-qi, and Chang-yong Yin. "Optimal scheduling of power system with wind power considering deep peak regulation of fire-storage and demand response." Journal of Physics: Conference Series 2427, no. 1 (2023): 012035. http://dx.doi.org/10.1088/1742-6596/2427/1/012035.

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Abstract In the context of the integration capacity of wind power has increased rapidly, because the large sporadic and instability characteristics of wind power machinery, it has brought challenges in peak adjustment of power equipment machinery. Therefore,if we want to increase the peak load capacity of the electric power channel, we should improve the consumption of new energy. This constructs a electric power channel optimization model with demand response and a unit-peaking output model. The validity of the example is verified.

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22

Li, Zhongshen, Yuanzheng Lin, Qihuai Chen, et al. "Control Strategy of Speed Segmented Variable Constant Power Powertrain of Electric Construction Machinery." Applied Sciences 12, no. 19 (2022): 9734. http://dx.doi.org/10.3390/app12199734.

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Energy conservation and emission reduction have become a global development consensus. Traditional construction machinery driven by an engine has high energy consumption and poor emission. Electric construction machinery is considered to be one of the main trends in the future due to its zero emissions by canceling the engine and using the motor-driven hydraulic system. However, most of the existing electric construction machinery works through the motor to simulate the engine without considering the regulation characteristics of the motor. Therefore, although the existing electric constructio

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23

Kashirskikh, Veniamin, Valery Zavyalov, and Irina Semykina. "On the Issue of Increasing Reliability of Electric Mining Machinery." E3S Web of Conferences 174 (2020): 03024. http://dx.doi.org/10.1051/e3sconf/202017403024.

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The paper considers conditions of mining machinery electric drives operation and analyzes the causes of insufficient reliability. To improve the reliability and efficiency of induction motors the authors propose the computer system designed for dynamic identification of electric motors to monitor their parameters and variables, which are estimated on operating equipment in real time. Operation of the system allows calculating unmeasurable quantities and is based on the mathematical model of the induction motor as well as mathematical methods of estimation and the information contained in the m

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24

Guo, Tong, Yongjie Chen, Qihuai Chen, Tianliang Lin, and Haoling Ren. "An IPMSM Control Structure Based on a Model Reference Adaptive Algorithm." Machines 10, no. 7 (2022): 575. http://dx.doi.org/10.3390/machines10070575.

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Traditional construction machinery has the disadvantages of low energy efficiency and poor emissions, which do not meet the requirements of environmentally friendly industrial development. Electric construction machinery has attracted more and more attention because of its advantages of zero emissions and high energy efficiency, which are considered to be important factors in the future development of construction machinery. Preliminary attempts to introduce electric motors into construction machinery usually only adopt the motor for simulating the working mode of the engine, with it providing

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25

Fu, Shengjie, Zhongshen Li, Tianliang Lin, Qihuai Chen, and Haoling Ren. "A Positive Flow Control System for Electric Excavators Based on Variable Speed Control." Applied Sciences 10, no. 14 (2020): 4826. http://dx.doi.org/10.3390/app10144826.

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Energy conservation and emission reduction of construction machinery are the focus of current research. The traditional excavator, whose hydraulic pump is driven by the engine, has high fuel consumption and emissions. Furthermore, it is difficult to match the working point of the engine to that of the hydraulic pump. Current pure electric drive technology has the advantages of zero pollution and low noise, and the motor used has the advantages of fast response and a wide speed range. Based on the characteristics of the pure electric drive technology, a positive flow system based on variable sp

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26

Tang, Haitao, Mengxuan Li, Zhenqiang Zhao, et al. "A Safety Distance Warning Method for Transmission Lines Based on the Relationship Between Approach Angle and Field Strength." Journal of Physics: Conference Series 2477, no. 1 (2023): 012040. http://dx.doi.org/10.1088/1742-6596/2477/1/012040.

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Abstract To prevent construction machinery from intruding into the transmission corridor, a distance early warning method based on the relationship between the approach angle and the electric field strength is proposed. First, use the simulation analysis to determine the installation position of the electric field sensor. Then, the relationship between the approach angle and the electric field strength at the minimum safe distance outside the transmission line for different voltage levels, number of loops, and loop arrangement are analyzed, and the approach angle and electric field strength ar

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27

Suryandi, Asep Andi, Nur Sarma, Anees Mohammed, Vidyadhar Peesapati, and Siniša Djurović. "Fiber Optic Fiber Bragg Grating Sensing for Monitoring and Testing of Electric Machinery: Current State of the Art and Outlook." Machines 10, no. 11 (2022): 1103. http://dx.doi.org/10.3390/machines10111103.

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This paper presents a review of the recent trends and the current state of the art in the application of fiber optic fiber Bragg gratings (FBG) sensing technology to condition the monitoring (CM) and testing of practical electric machinery and the associated power equipment. FBG technology has received considerable interest in this field in recent years, with research demonstrating that the flexible, multi-physical, and electromagnetic interference (EMI) immune in situ sensing of a multitude of physical measurands of CM interest is possible and cannot be obtained through conventional sensing m

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Krause, P. C., and O. Wasynczjk. "Analysis of Electric Machinery [Books and Reports]." IEEE Power Engineering Review 15, no. 3 (1995): 40. http://dx.doi.org/10.1109/mper.1995.365078.

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29

Hiziroglu, Huseyin R. "A Special Issue: Electric Machinery and Transformers." Energies 16, no. 15 (2023): 5707. http://dx.doi.org/10.3390/en16155707.

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As the demand for electrical energy increases worldwide, engineers and scientists have been investigating new electrical systems and materials to meet this demand economically, having large-scale planning and employing environmentally friendly energy production and energy-efficient systems for consumption to minimize adverse environmental effects [...]

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30

Ferrari, Marco, Daniele Beltrami, and Stefano Uberti. "Retrofitting Battery Electric Machinery with Unchanged Hydraulic System and Enhanced Control Strategies." Actuators 13, no. 5 (2024): 191. http://dx.doi.org/10.3390/act13050191.

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The push for environmental sustainability has accelerated the acceptance of electric vehicles, as well as the exploration of electrified Non-Road Mobile Machinery. This study emphasizes the challenges of electrifying off-highway machinery, which include the many machinery layouts and the presence of Small- and Medium-sized Enterprises in the market. Recognizing the barriers faced by these companies, this paper shows how modeling and simulation can be effective tools for system integration and control optimization, even when lacking extensive expertise in the topic. However, it emphasizes the n

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31

Khodpan, Marut, Sanguan Vongchavalitkul, and Sanguan Patamatumakul. "Risk Management of Electric Energy Consumption in Industrial." Advanced Materials Research 301-303 (July 2011): 691–94. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.691.

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This study presents a risk management of the electric energy consumption in Nakhonratchasima industrial, case study in Thai Sanguan Cassava Starch Co.,Ltd. by AS/NZS 4360:2004 risk management standard. The objective of this study is to reduce the risk of electric energy consumption. Based on the risk inspection, the impact analysis of electric energy consumption is applied to manage an occasion risk. The analyzed risks are consumption risks and device risks. The consumption risks are load factor, the ratio of electric energy consumption to production unit and power consumption of each unbalanc

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32

Xu, Wei, Chang Geng Shuai, and Zhi Qiang Lv. "Dynamic Model of Elastically Mounted Machinery with Cylindrical Shell." Applied Mechanics and Materials 419 (October 2013): 423–31. http://dx.doi.org/10.4028/www.scientific.net/amm.419.423.

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Mounting machinery by isolators can reduce vibration transmitted to the base and attenuated environmental noise. In this paper the machine having cylindrical shell such as electric motors is modeled by thin-wall cylindrical shell motion equation. The reaction force exerted by isolator is considered as point force and integrated in the shell equation. The typical vibration excitation of machinery is represented by point and line excitations. The forces transmitted to the base through isolators are then calculated under different excitations. Conclusions with respect to machinery and isolation s

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33

Wu, Chuan Hui, Yan Gao, and Yu Guo. "Study on Remote Condition Monitoring and Fault Diagnosis System for Rotating Machinery Based on LabVIEW." Advanced Materials Research 430-432 (January 2012): 1939–42. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.1939.

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In order to suit the demand of monitoring and fault diagnosis of modern small and medium machinery devices better, this paper discusses the development of machinery condition monitoring and fault diagnosis system of good universality and strong expansibility using LabVIEW. Mainly illuminates vibration signal, temperature signal and electric current signal acquisition module using NI data acquisition hardware; signal analysis module in time domain, frequency domain and joint time–frequency domain using signal processing technology. DataSocket, database and fuzzy diagnosis technique have been ut

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34

Lubis, Zulkifli, Abdul Ghofur, and Kemal Farouq Mauladi. "Pelatihan Manajemen Usaha Es Puter Melalui Pemanfaatan Teknologi Digital Dalam Upaya Memperkuat Perekonomian Masyarakat Di Kecamatan Glagah Kabupaten Lamongan." BERDAYA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat 2, no. 2 (2020): 69–74. http://dx.doi.org/10.36407/berdaya.v2i2.216.

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Sales Ice Puterin the community so far generally still use the tradition always of course low productivity and the results are less hygienic. Because it is the Science Team Community Service of the Wijaya Putra University of Surabaya make appropriate technology tools/machine ice puter equipped electric motor. It is useful for UKM Partners Ice Puternamely Mr.Paiman and Mr.Suradi to increase productivity can certainly improve the welfare and new labor opportunities. With the appropriate Technology Equipment/ Machinery Ice Puteri's expected later UKM partners can increase production capacity, the

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35

Yu, Li, Wenyong Guo, Xinglong Pan, and Hantao Chen. "Analysis and Research on Cold Proof Design of Polar Marine Machinery." Journal of Physics: Conference Series 2125, no. 1 (2021): 012060. http://dx.doi.org/10.1088/1742-6596/2125/1/012060.

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Abstract Polar marine machinery is an important equipment for China to participate in Arctic energy exploitation. The Arctic region is rich in natural resources and has a very important strategic position. As an important equipment for passage and exploitation of energy, its key technology is particularly important. As a special ship sailing in polar regions, polar ships generally adopt electric heat tracing measures due to the adverse environment in polar regions. The deck machinery and facilities shall be protected against cold. This paper mainly studies the convection of flat plate members

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36

Chen, Guo Jin, Ting Ting Liu, Jing Ni, Ming Xu, and Huo Qing Feng. "Study on the Driver Control System of the Full AC Electric Stacking Forklift." Applied Mechanics and Materials 271-272 (December 2012): 1658–63. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.1658.

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Logistics Machinery is the important equipment for carrying material. The all-electric logistics machinery is a development trend in the international logistics industry today. This paper studies the intelligent control model and algorithm for the driver control system of the full AC electric stacking forklift, proposes the composite models of the fuzzy neural network’s identification NNM and the Self-tuning PID NNC, and designs the variable frequency module of the speed sensorless vector control. Through the organic integration of the variable frequency module, the speed reducer and the AC mo

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37

Righi, Marco. "Clean Energy in the Industrial Machinery Market." Industrial Vehicle Technology International 28, no. 3 (2020): 55. http://dx.doi.org/10.12968/s1471-115x(23)70378-4.

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38

Li, Qing Tian. "Research on Application of Hall Integrated Sensors." Applied Mechanics and Materials 226-228 (November 2012): 1971–74. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.1971.

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This essay study that in magnetic field and current intensity, measurement, work of electric motor regulating speed applied by Hall integrated sensor shows that in electrical machinery electric circuit control and automatic control system, using Hall integrated sensor has stable properties, high reliability, good temperature stable properties, anti-pollution, without touch dot, etc advantages, comparing with traditional automatic control electric circuit has obvious advantages. It attaches importance to many people in practical use.

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39

Song, Li Min. "A Research on Modular Training System of Automobile Engine." Advanced Materials Research 774-776 (September 2013): 438–42. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.438.

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The multifunctional modular training system for electric-controlled engine, which consists of disassembly and assembly module, wiring module of sensor and actuator and controller, detection module of electric controlling system, can achieve the function of machinery system and electric controlling system disassembly and assembly and engine fault diagnosis and analysis. It can meet the need of making real training and improve research capabilities for the teachers and students in related specialty of vocational colleges.

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40

ISHIHARA, YOSHIYUKI. "Topics of The Magnetic Materials for Electric Machinery." Journal of the Institute of Electrical Engineers of Japan 119, no. 7 (1999): 428–31. http://dx.doi.org/10.1541/ieejjournal.119.428.

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41

Li, Yueyang, Wenzhi Deng, Xiaofei Cheng, Weihai Song, Zhen Li, and Xianchong Zhang. "Design of Electric Steering Wheel for Agricultural Machinery." Journal of Physics: Conference Series 1601 (July 2020): 022041. http://dx.doi.org/10.1088/1742-6596/1601/2/022041.

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42

Nehrir, M. H., F. Fatehi, and V. Gerez. "Computer modeling for enhancing instruction of electric machinery." IEEE Transactions on Education 38, no. 2 (1995): 166–70. http://dx.doi.org/10.1109/13.387219.

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43

He, Xiangyu, and Ying Jiang. "Review of hybrid electric systems for construction machinery." Automation in Construction 92 (August 2018): 286–96. http://dx.doi.org/10.1016/j.autcon.2018.04.005.

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44

Wu, Jiangdong, Haoling Ren, Tianliang Lin, Yu Yao, Zhen Fang, and Chang Liu. "A Pure Electric Driverless Crawler Construction Machinery Walking Method Based on the Fusion SLAM and Improved Pure Pursuit Algorithms." Sensors 23, no. 18 (2023): 7784. http://dx.doi.org/10.3390/s23187784.

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Driverless technology refers to the technology that vehicles use to drive independently with the help of driverless system under the condition of unmanned intervention. The working environment of construction machinery is bad, and the working conditions are complex. The use of driverless technology can greatly reduce the risk of driver operation, reduce labor costs and improve economic benefits.Aiming at the problem of the GPS positioning signal in the working environment of construction machinery being weak and not able to achieve accurate positioning, this paper uses the fusion SLAM algorith

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45

Yao, Wu-Sung. "Modeling and stabilization of eccentric gravity machinery." Advances in Mechanical Engineering 10, no. 1 (2018): 168781401775178. http://dx.doi.org/10.1177/1687814017751782.

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In general, eccentric gravity machinery is a rotation mechanism with eccentric pendulum mechanism, which can be used to convert continuously kinetic energy generated by gravity energy to electric energy. However, a stable rotated velocity of the eccentric gravity machinery is difficult to be achieved only using gravity energy. In this article, a stable velocity control system applied to eccentric gravity machinery is proposed. The dynamic characteristic of eccentric gravity machinery is analyzed and its mathematical model is established, which is used to design the controller. A stable running

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46

Pevzner, L. D., and N. A. Kiselev. "Automatic control system for walking dragline excavator digging." Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 7, no. 1 (2022): 57–65. http://dx.doi.org/10.17073/2500-0632-2022-1-57-65.

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This paper presents the results of the development of automatic control systems for walking dragline excavator digging process. The process enables operational productivity to be enhanced through optimizing digging process. This also prevents extreme loads on machinery and hoist cable deﬂection. The paper also describes mathematical models of the electric drives of the main excavator machinery which form the bucket motion and the model of cable length change. Further the study will analyse the tructure of the control system and the automatic digging algorithm. Computer modeling ﬁndings are als

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Li, Zhongshen, Qihuai Chen, Yongjie Chen, Tianliang Lin, Haoling Ren, and Wen Gong. "High-Performance Control Strategy for Low-Speed Torque of IPMSM in Electric Construction Machinery." Machines 10, no. 9 (2022): 810. http://dx.doi.org/10.3390/machines10090810.

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Electric construction machinery with zero emission and high efficiency is considered to be a main development trend. An electric motor (EM) in electric construction machinery often needs to work at low speed or even in stalling conditions with large torque value and high work efficiency. In this paper, based on vector control of the maximum torque per ampere (MTPA) of an internal permanent magnet synchronous motor (IPMSM), a voltage and current composite observation algorithm was studied to improve IPMSM control performance at low speed. By establishing the observer model, the amplitude limite

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Kashirskikh, Veniamin, Valery Zavyalov, Irina Semykina, and Valery Borovtsov. "The Computer System for Monitoring of Induction Motors Condition of Mining Machinery." E3S Web of Conferences 105 (2019): 03023. http://dx.doi.org/10.1051/e3sconf/201910503023.

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The possibility of carrying out monitoring of parameters and variables of the induction electric motor (IM) working as a part of the electric mining machinery drive is considered. Monitoring is carried out on the working inventory in real time by means of the computer system on the basis of the IM mathematical model, mathematical estimation methods and also information which is contained in easily measured phase tension and IM stator currents. As a result IM indicators are defined difficult or cannot be measured in the mining machinery operation course. These are the active and induced winding

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Wu, Longqi. "Compare And Analyze The Popularity of Fuel Vehicles in China and The United States—An Overview And Perspective of Fuel Cell Vehicles." Highlights in Science, Engineering and Technology 59 (July 15, 2023): 148–57. http://dx.doi.org/10.54097/hset.v59i.10074.

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Fuel cell vehicle machinery has substantial repercussions for energy policy and ecological protection. In the last era, China and the US have shown diverse progress in fuel cell vehicle manufacturing as the management's strategy issuances and enterprise's manufacture. Conversely, there are still roughly technical and expense difficulties impeding the commercialization of fuel cell automobiles. In this research, the position of China and the US fuel electric vehicles research method is analyzed comprehensively from various perspectives. Furthermore, the results of the fuel-electric vehicles are

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Tang, HaiTao, MengXuan Li, ZhenQiang Zhao, et al. "Transmission Line External Breakage Early Warning Method Based on Electric Field Perception." Journal of Physics: Conference Series 2527, no. 1 (2023): 012069. http://dx.doi.org/10.1088/1742-6596/2527/1/012069.

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Abstract To prevent construction machinery from intruding into the transmission corridor during operation and causing damage to the normal operation of the line, this paper uses the relationship between the horizontal distance of the boom measurement point at the minimum safe distance, the angle of the boom to the ground and the field strength as a comprehensive criterion to carry out an early warning of the transmission line breaking. The method studied in this paper can provide a simple and accurate distance warning method for various types of construction machinery when they work in the vic

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