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Journal articles on the topic 'Electromechanical simulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Tang, Fan, Guo Liang Su, Dong Xiang Li, and Yu Hong Wang. "Electromagnetic - Electromechanical Transient Hybrid Simulation of Deyang-Baoji HVDC System Based on ADPSS." Advanced Materials Research 805-806 (September 2013): 935–40. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.935.

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three kinds of digital programs used in power system simulation are summarized in this paper. The electromagnetic and electromechanical transient simulation software ADPSS is introduced. Electromagnetic transient simulation, electromechanical transient simulation and electromagnetic-electromechanical transient hybrid simulation are performed respectively on Deyang-Baoji ±500KV HVDC system. The simulation result shows that the electromagnetic-electromechanical transient hybrid simulation has the advantage of electromagnetic transient simulation and electromechanical transient simulation. It can effectively analyze the process of the local electromagnetic transient in large-scale grid. The simulation speed is fast and the result is accurate and reliable.

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Lai, Xin, and Wanjun Xie. "Theoretical and Experimental Study on Electromechanical Coupling Properties of Multihammer Synchronous Vibration System." Shock and Vibration 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/6707264.

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Industrial simulation of real external load using multiple exciting points or increasing exciting force by synchronizing multiple exciting forces requires multiple vibration hammers to be coordinated and work together. Multihammer vibration system which consists of several hammers is a complex electromechanical system with complex electromechanical coupling. In this paper, electromechanical coupling properties of such a multihammer vibration system were studied in detail using theoretical derivation, numerical simulation, and experiment. A kinetic model of multihammer synchronous vibration system was established, and approximate expressions for electromechanical coupling strength were solved using a small parameter periodic averaging method. Basic coupling rules and reasons were obtained. Self-synchronization and frequency hopping phenomenon were also analyzed. Subsequently, numerical simulations were carried out and electromechanical coupling process was obtained for different parameters. Simulation results verify correctness of the proposed model and results. Finally, experiments were carried out, self-synchronization and frequency hopping phenomenon were both observed, and results agree well with theoretical deduction and simulation results. These results provide theoretical foundations for multihammer synchronous vibration system and its synchronous control.

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Ivanov, Sergey N., Konstantin K. Kim, Aleksey A. Prosolovitch, and Marat I. Khismatulin. "ELECTROMECHANICAL SYSTEM ANALYSIS WITH SIMULATION METHODS." Scholarly Notes of Komsomolsk-na-Amure State Technical University, no. 3 (2021): 29–38. http://dx.doi.org/10.17084/20764359-2021-51-29.

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Shi, Tao, Linan Qu, and Luming Ge. "Research on the Parameter Test and Identification Method of Electromechanical Transient Model for PV Power Generation." Electronics 9, no. 8 (2020): 1184. http://dx.doi.org/10.3390/electronics9081184.

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Model and parameters are the indispensable conditions for the simulation calculation of power systems with a high proportion of photovoltaic power generation. Conventional models of power electronic devices are difficult to meet the requirement of power system electromechanical transient simulation, and the parameters are difficult to obtain. Aiming at this problem, this paper proposes a structure of an electromechanical transient simulation model of a photovoltaic power station and designs a set of photovoltaic power generation transient characteristic test systems based on a fault simulation device. Through a disturbance test and model parameter identification, the electromechanical transient simulation model and parameters of photovoltaic power generation are obtained. In this paper, based on the test system, the electromechanical transient characteristics of a certain type of photovoltaic inverter are modeled. The results show that the model can successfully describe the electromechanical transient characteristics of photovoltaic power generation, and the simulation results obtained based on the model parameters have a good fitting degree compared with the measured curve.

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Wu, Jian Xin, Xiang Dong Qi, Yan Wang, and Di Wu. "ADAMS MATLAB Co-Simulation of Dynamics Parallel Manipulator." Advanced Materials Research 295-297 (July 2011): 2125–28. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.2125.

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Electromechanical coupling dynamic of parallel manipulator is a multi-input, multi-output, non linearity, tight coupling, and complex electromechanical system, but now there isn’t have a mature model of Parallel manipulator dynamic and methods of Simulation calculation. In this following passage, aiming at 3PUU parallel manipulator, we establish dynamic model In ADAMS software; design the servo controller in MATLAB and setting to the control parameters. The co-simulation results computer simulation validate the rationality of modeling of electromechanical coupling dynamics and show the optimal control of the mechanism’s displacement and torque of the servomotor by controller.

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Fan, Shuli, Weijie Li, Qingzhao Kong, Qian Feng, and Gangbing Song. "Monitoring of pin connection loosening using eletromechanical impedance: Numerical simulation with experimental verification." Journal of Intelligent Material Systems and Structures 29, no. 9 (2018): 1964–73. http://dx.doi.org/10.1177/1045389x18754354.

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Pin connection, as an important structural connection mechanism, is widely used in various structures, especially spatial structures. In this article, numerical and experimental investigations are performed for monitoring the loosening of pin-connected structures using the electromechanical impedance technique. For this purpose, a finite element model for a pin-connected structure considering the contact interfaces between the pin and the support base is proposed to study the effect of pin connection loosening on the electromechanical impedance signatures. A multi-physics analysis is conducted to simulate the electromechanical behavior of lead zirconate titanate transducers bonded on the pin head and the steel base. The relationship between the force applied on the pin connection and the variation in electromechanical impedance signatures is established. Experiments are carried out to verify the accuracy of the proposed finite element model. The results show that the changes in the electromechanical impedance signatures consist of frequency shifts and peak splitting. The contact condition of the pin connection can be assessed by observing the changes in the electromechanical impedance signatures. The location of the piezoelectric patch has significant effect on the sensitivity of the electromechanical impedance signatures. The numerical study in this research helps to optimize the design of sensor placement and improve the detection accuracy of the electromechanical impedance method in practical applications of detecting the loosening of pin-connected structures.

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Zhang, Bingda, Yang Wang, Sijia Tu, and Zhao Jin. "FPGA-Based Real-Time Digital Solver for Electro-Mechanical Transient Simulation." Energies 11, no. 10 (2018): 2650. http://dx.doi.org/10.3390/en11102650.

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A field-programmable gate array (FPGA)-based digital solver for real-time electromechanical transient simulation is designed in this paper. The solving process for a device or sub-network in an electromechanical transient simulation is packaged into the orders in soft function solvers. The orders are reused by soft function solvers that are invoked by microprocessor cores. The data exchange between the microprocessor cores and soft function solvers is enhanced through explicit and implicit channels. The orders of the microprocessor cores are stored in the synchronous dynamic random access memory on the FPGA board, which solves the problem of insufficient storage space for the orders in electromechanical transient simulation. A real-time digital solver for electromechanical transient simulation, whose feasibility is verified by a simulation of part of the power system in East China, is successfully constructed by applying a small number of microprocessor cores and multiple soft function solvers.

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Лозбинев, Владимир, Vladimir Lozbinev, Дмитрий Кочевинов, et al. "Dynamics simulation of bridge crane electromechanical system." Bulletin of Bryansk state technical university 2014, no. 1 (2014): 63–67. http://dx.doi.org/10.12737/23379.

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Presents the methods and results of modeling of dynamic processes controlled movement of the bridge crane with regard to wheel slippage, redistribution vertical loads, horizontal irregularities of rails and other features of the mechanical subsystem based on the combination of software systems Matlab/Simulink and «Universal mechanism».

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Dongyu, Shi, Chen Xujiang, Li Yalou, et al. "Online electromechanical and electromagnetic hybrid simulation system." Journal of Engineering 2017, no. 13 (2017): 1343–46. http://dx.doi.org/10.1049/joe.2017.0550.

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Gyimesi, M., I. Avdeev, and D. Ostergaard. "Finite-Element Simulation of Micro-Electromechanical Systems (MEMS) by Strongly Coupled Electromechanical Transducers." IEEE Transactions on Magnetics 40, no. 2 (2004): 557–60. http://dx.doi.org/10.1109/tmag.2004.824592.

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Ma, Baoqi, Zhenping Wan, Zhibiao Hu, et al. "Application of Simulation Software in Optimization of Powertrain of Pure Electric Vehicle." International Journal of Emerging Technology and Advanced Engineering 10, no. 11 (2020): 42–55. http://dx.doi.org/10.46338/ijetae1120_05.

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— Pure electric vehicles are a research hotspot in today's new energy vehicle industry. Its core is the electromechanical coupled drive system (drive motor and gearbox), and its performance affects the overall performance of pure electric vehicles. The application of industrial software for electromagnetic design, electrothermal design, electromagnetic vibration and noise optimization of drive motors, heat transfer analysis, fatigue analysis, and noise optimization analysis of gearboxes has become important technologies for designing and manufacturing the core components of electromechanical coupling drive systems.This article analyzes the current status and existing problems of the development of simulation software for the core components (drive motor and gearbox) of the electromechanical coupling drive system of electric vehicles, and proposes solutions to key technical problems, and proposes the development direction of unified simulation of drive motor and gearbox on the electromechanical coupling platform

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Skiba, Oxana, Robert Gracie, and Stanislav Potapenko. "Electromechanical simulations of dislocations." Modelling and Simulation in Materials Science and Engineering 21, no. 3 (2013): 035003. http://dx.doi.org/10.1088/0965-0393/21/3/035003.

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He, Xiang Xin, Jian Guo Li, and Yue Hua Pang. "Modeling and Simulation of Electromechanical Coupling Dynamics for Permanent Magnet Synchronous AC Servomotor." Advanced Materials Research 418-420 (December 2011): 2106–9. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.2106.

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Lagrange-Maxwell equations and Park transform are adopted based on electrical and mechanical energy equations consisting of servomotor parameters. Lagrange-Maxwell equations are transformed from three-phase stator reference coordinates to two-phase rotor reference coordinates. Electromechanical coupling dynamics equations of permanent magnet synchronous servomotor in two-phase reference coordinates are obtained. In this dynamical modeling method of electromechanical coupling system, to establish dynamical differential equations needs to measure amplitude of the flux induced by the permanent magnets and the winding's inductance in dq0 reference of the motor but needs not to measure the size of magnetic circuit. The equations deduced is terse, efficient, and the equations easy to use. Electromechanical coupling dynamics system, servomotor is simulated. Simulation results show that the electromechanical coupling dynamics equations deduced for servomotor are correct, and current control schemes are reasonable.

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Song, Bao wei, Xin Yu An, Zhao Yong Mao, and Hai Bing Wen. "Electromechanical Modeling and Simulation of a Pendulum-Type Wave Energy Converter." Advanced Materials Research 953-954 (June 2014): 1439–44. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.1439.

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This paper concerns the electromechanical model for a pendulum-type wave energy converter (PWEC). By introducing a based-excited mass-spring-damper, the motion of PWEC is divided into two parts: the motion of floating body and the relative motion of the pendulum and floating body. The electromechanical model involves the relative motion. Based on the electromechanical model, the circuit optimization is researched in frequency domain. The simulation results show that the device harvests plenty of power when the excitation is in close proximity to natural frequency, and the output power will decay sharply when the excitation is away from natural frequency. The optimal active power is obtained when the total reactance is zero.

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Bordyug, B. A., and Vladimir B. Larin. "Simulation of Motion of an Electromechanical Walking Machine." Journal of Automation and Information Sciences 29, no. 2-3 (1997): 17–21. http://dx.doi.org/10.1615/jautomatinfscien.v29.i2-3.40.

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Burgoa, D. P., and C. A. Martin. "Testing and simulation of fractionary electromechanical rotative drives." Journal of the Brazilian Society of Mechanical Sciences 24, no. 4 (2002): 318–23. http://dx.doi.org/10.1590/s0100-73862002000400011.

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Bilyaletdinova, L., and A. Steblinkin. "Simulation of Direct Drive Electromechanical Actuator with Ballscrew." Procedia Engineering 176 (2017): 85–95. http://dx.doi.org/10.1016/j.proeng.2017.02.276.

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Zheng, Zewen, Hengxu Zhang, Weijie Zheng, and Hao Li. "Error assessment method of electromechanical–electromagnetic hybrid simulation." Journal of Engineering 2019, no. 16 (2019): 1122–25. http://dx.doi.org/10.1049/joe.2018.8865.

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Al-Khoury, A. H., and J. K. Sykulski. "Field modelling and characteristics simulation in electromechanical transducers." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 17, no. 1 (1998): 146–50. http://dx.doi.org/10.1108/03321649810369357.

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Bonisoli, Elvio, Aldo Canova, Fabio Freschi, Sandro Moos, Maurizio Repetto, and Stefano Tornincasa. "Dynamic Simulation of an Electromechanical Energy Scavenging Device." IEEE Transactions on Magnetics 46, no. 8 (2010): 2856–59. http://dx.doi.org/10.1109/tmag.2010.2044156.

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Cai, Jian Yu, and He Juan Chen. "Numerical Simulation of the Gas-Power Electromechanical Switch." Applied Mechanics and Materials 353-356 (August 2013): 3630–33. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.3630.

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The gas-power flow resistance-controlled electromechanical switch was a kind of new gas-driven piston-style electromechanical switch used in fuze. It was designed with a flow resistance adjust automatically structure based on the structure of flow resistance-controlled switch. This kind of new switch could adapt to the press change of the input gas to guarantee the stability of the piston movement, and with the piston to the end to turn the switch to achieve the purpose of electronic delay. Firstly, the gas dynamics model of the switch was made according to the structure, Secondly the change of internal gas state and the process of the piston movement were calculated when the rockets was in ballistic phase. Finally, with the similarity model of the switch and digital simulation, the stability of the piston movement and automatic adjustment feature was analyzed.

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Nagami, Tasuku, Yoshishige Tsuchiya, Shinichi Saito, et al. "Electromechanical Simulation of Switching Characteristics for Nanoelectromechanical Memory." Japanese Journal of Applied Physics 48, no. 11 (2009): 114502. http://dx.doi.org/10.1143/jjap.48.114502.

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Mohammed, Farag Mahel, Jamal A. K. Mohammed, and Haider Faisl. "Modeling and Simulation of an Electromechanical Brake System." IOP Conference Series: Materials Science and Engineering 1105, no. 1 (2021): 012051. http://dx.doi.org/10.1088/1757-899x/1105/1/012051.

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Zhang, Ping, Chun Lei Sun, and Qing’en Li. "Study and Simulation of Electro-Mechanical Sensor." Advanced Materials Research 282-283 (July 2011): 440–43. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.440.

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The relevant introduction development of the micro electromechanical systems (MEMS) is carried out in this paper. The pressure sensor is an important component of micro electromechanical systems (MEMS). Many aspects of the pressure sensor are studied，simulated and analyzed by us. The principle of work of the pressure sensor is elaborated in details and the material selection is studied also. The correlative performance indexes, such as precision and the repeatability of pressure sensor, are explored. In the following part of this paper, through the finite element simulation software, the analytic study of some performance parameters of the sensor chip is carried out in detail. Through the analysis, we find that the sensor designed here has many advantages.

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Zhang, Jian, and Xiao Dong Yuan. "Dynamic Aggregation Method of Induction Motors Based on Coherent Characteristics." Advanced Materials Research 960-961 (June 2014): 1214–24. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.1214.

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Parameters of induction motors have crucial effects on power system simulation. This paper proposes a dynamic aggregation method of induction motors. In this method, firstly, starting off the electromechanical models of induction motors, taking the coefficients of the electromechanical equations and steady state slips of motors as the characteristic vectors, motors are grouped with fuzzy C-means clustering method. Then, electromechanical equations of the equivalent motor are obtained by averaging that of the individual motors in the same group. Finally, parameters of equivalent motors are calculated based on the relationship of transient impedance before and after aggregation, and the principle that active and reactive power loads are equal before and after aggregation. Simulation results show that the proposed method can improve the precision of simulation

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Wang, Guoteng, Huangqing Xiao, Liang Xiao, Zheren Zhang, and Zheng Xu. "Electromechanical Transient Modeling and Control Strategy of Decentralized Hybrid HVDC Systems." Energies 12, no. 15 (2019): 2856. http://dx.doi.org/10.3390/en12152856.

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This paper studies the electromechanical transient model and the control strategy of line commutated converter (LCC) and modular multilevel converter (MMC) based decentralized hybrid High Voltage Direct Current (HVDC) Transmission systems. The decentralized hybrid HVDC system is a new type of topology, and the related electromechanical transient model and control strategy have not been studied well. In this paper, the electromechanical transient model of a decentralized hybrid HVDC system is devloped through mathematical deduction. This model can be easily implemented in electromechanical transient simulation software and meet the time domain simulation requirements of large-scale systems. Then, in order to ensure the safe absorption of the DC power under various conditions, an optimal power flow model considering the decentralized hybrid HVDC system is proposed. Finally, the electromechanical transient model proposed in this paper is verified by the electromagnetic transient model, and the control strategy is validated in a modified New England 39-bus system.

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Zhang, Lei, Junwei Wang, and Guohua Li. "Research on Sand-dust Separation Technology Based on Gas-solid Two-phase Numerical Simulation." E3S Web of Conferences 145 (2020): 02068. http://dx.doi.org/10.1051/e3sconf/202014502068.

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The separation technology in the large-scale sand-dust environment ground simulation test system applicable to the environmental adaptability and reliability verification of aerospace electromechanical products is studied. The gas-solid two-phase numerical simulation method is adopted, and the possible cyclone separation, inertial separation methods are used to study the separation efficiency and regularity technology, which provides a basis for the separation design and test of the sand-dust environment simulation of large electromechanical products.

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Wang, F., X. Zhao, D. Zhang, Z. Ma, and X. Jing. "Robust and precision control for a directly-driven XY table." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 225, no. 5 (2011): 1107–20. http://dx.doi.org/10.1177/2041298310392832.

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To provide faster, more repeatable, and stronger microelectronics bonding technology, this article presents the design and implementation of a robust and precision controller for a high-speed linear voice-coil motor, direct-drive, XY positioning table. Moreover, the dynamic design methodology of the control system for the positioning table is proposed based on electromechanical co-simulation. Using the finite-element method and dynamic analysis, the rigid–flexible coupled mechanical model of the XY table is established. With the aid of the system identification approach, the open-loop model of the control system for the X-axis table is obtained. On this basis, the proportion integration differentiation controller with incomplete derivation and the sliding mode controller (SMC) with the exponential reaching law are designed to control the X-axis table. The performances of the controllers are investigated using electromechanical co-simulations and experimental tests, and the results show that the motion overshoot and settling time are reduced using the SMC with an exponential reaching law. The SMC with the exponential reaching law also shows strong robustness against external disturbances. The experiment and co-simulation results are in good agreement, which confirms the validity and feasibility of the dynamic design methodology for a high-speed and high-accuracy positioning table based on electromechanical co-simulation.

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Wang, Hong Ying. "Study on Electromechanical Coupling Vibration of Simulation Technology Based on the Drive System." Advanced Materials Research 676 (March 2013): 289–92. http://dx.doi.org/10.4028/www.scientific.net/amr.676.289.

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Study the mechanical and electrical system,according to the mechanical system of the coupling mechanics principle, the AC drive system is simplified as many degrees of freedom "spring - mass - damper" system,the quality of construction of three two-axis system,established the two shafts electromechanical coupling vibration mathematical model; Using the electromechanical coupling vibration simulation model, the parameters of the current regulator, damping, harmonic disturbances, gap and load disturbance of electromechanical coupling factors such as vibrations caused by dynamic process.Improve the dynamic performance of the system is significant, have the great value for the parameters of the system design and fault diagnosis on this study.

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Zhou, Jun, Peng Li, Feng Qi Zhou, and Zhi Gang Gao. "Sliding Mode Control for BLDC Electromechanical Actuator Based on DSP." Applied Mechanics and Materials 392 (September 2013): 299–305. http://dx.doi.org/10.4028/www.scientific.net/amm.392.299.

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This paper deals with the design, simulation and implementation of a digital sliding mode controller for brushless DC motor-based electromechanical actuator. Firstly, a mathematic model of the actuator is drawn from its structure. Secondly, sliding mode control algorithm with the approach to weaken chattering is designed for the system, and simulations are carried out under Matlab/Simulink environment. Thirdly, the SMC algorithm is implemented on TMS320F2812 digital signal processor platform along with extensive experiments. Lastly, results of simulation and experiment are compared and discussed, showing that the proposed approach can achieve accurate and fast position tracking in the presence of load disturbance and plant parameter variations.

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Zheng, Shicheng, Yongling Fu, Deyi Wang, Wensen Zhang, and Junlin Pan. "Investigations on system integration method and dynamic performance of electromechanical actuator." Science Progress 103, no. 3 (2020): 003685042094092. http://dx.doi.org/10.1177/0036850420940923.

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A highly integrated electromechanical actuator was developed in this article, which aims at fulfilling the requirements of high power-to-weight ratio, high efficiency, high integration and low volume in military equipment. Three different transmission schemes were proposed for the integrated electromechanical actuator according to the differences in integration methods. Comparative analysis was conducted on the specific structures of the integrated electromechanical actuator and the categories and performance of the planetary roller screw, which is the key unit of the integrated electromechanical actuator. An integrated electromechanical actuator was designed based on the project requirements. A mathematical model was established and the system transfer function was derived. Based on this, a simulation model of the position loop system was established using the AMESim software and the effects of some related parameters, such as friction, backlash and stiffness, on the dynamic performance of the system were investigated. The related theory and simulation results were experimentally validated by a self-developed integrated electromechanical actuator research prototype combined with the related test system. The data obtained from the step response tests, sinusoidal response tests and repeat locating accuracy tests indicated that the developed integrated electromechanical actuator prototype is of rapid, accurate and stable position tracking capability.

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Smolentsev, N. I., L. M. Chetoshnikovа, and A. N. Ignatov. "Electromechanical drive management energy." Power engineering: research, equipment, technology 21, no. 6 (2020): 3–10. http://dx.doi.org/10.30724/1998-9903-2019-21-6-3-10.

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The development of an intelligent energy storage management system is an up-to-date scientific and technical challenge. This system should ensure maximum efficiency of energy storage in power networks for various purposes. The article discusses the use of energy storage in distribution networks of an industrial enterprise and substantiation of the vector control method of the inverted synchronous motor of the energy storage SPENE-1, shows a block diagram of the vector system for controlling the energy accumulator motor and the results of its simulation in MatLab.

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Zhang, Bo, Shuang Yin Dai, and Yan Ping Qin. "Power Quality Simulation and Assessment System Based on ADPSS." Applied Mechanics and Materials 341-342 (July 2013): 1367–73. http://dx.doi.org/10.4028/www.scientific.net/amm.341-342.1367.

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A power quality analysis method based on electromechanical-electromagnetic hybrid simulation is proposed. The hybrid simulation for power quality analysis can not only enhance the simulation accuracy, and can realize power quality simulation of large scale power system. Then power quality simulation and assessment system is developed based on ADPSS. The system provides plenty of power quality models and achieves power quality simulation based on electromechanical-electromagnetic hybrid simulation. It will provide guidance and reference for power quality study. The hybrid simulation model of an actual large scale power system is built and voltage sag problems caused by short circuit tests are simulated based on the developed system. Simulation result shows the practicality and effectiveness of power quality simulation and assessment system.

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Wang, Zhong Shuang, Hen Zou, and Yang Yang Tao. "Dynamic Modelling and Simulation of Electromechanical Systems Based on Vector Bond Graph." Advanced Materials Research 706-708 (June 2013): 1294–99. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.1294.

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For the dynamic modelling and simulation of electromechanical coupling systems, the corresponding vector bond graph procedure is proposed. Based on the kinematic constraint relations of rigid body, the vector bond graph procedure for modelling spacial multibody systems with revolute joint is described. For the difficulties brought by differential causality in the system automatic modeling and simulation, the effective decoupling method is proposed. As a result, the unified modelling and simulation for electromechanical systems are realized, its validity is illustrated by the robot system driven by electrical motors.

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Siddique, Muhammad, Bushra Syed, Muhammad Shahzad, et al. "Modeling and Adaptive Control of Novel Electromechanical Inverter." Pakistan Journal of Engineering and Technology 4, no. 2 (2021): 76–82. http://dx.doi.org/10.51846/vol4iss2pp76-82.

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A novel idea of electromechanical inverter (EMI) is proposed. This inverter minimize the complexity and cost of conventional rotating magnetic field inverters. The electromechanical inverter works on phenomena of rotating magnetic field in which changing flux in the external coils through dc motor induced an emf in the output coil. For controlling the speed of dc motor and rotation of coils, the adaptive control is used to avoid the saturation in magnetic field. The adaptive control system that is used for the electromechanical inverter (EMI) is model-reference adaptive control (MRAC) which has four parts i.e plant, reference model, adaptation mechanism and control law. An adaptation mechanism is designed with MIT rule of MRAC. The authenticity of proposed control technique for electromechanical inverter is verified by simulation results. The simulation result shows efficacy of proposed adaptive control technique using MATLAB

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Shinde, Pramod B., Ulhas D. Shiurkar, Suresh L. Chittewar, K. N. Mohan, and M. R. Ranalkar. "Transforming micro electromechanical systems to nano electromechanical systems – design, analysis, modeling and simulation of nanostructures." Materials Today: Proceedings 44 (2021): 1401–5. http://dx.doi.org/10.1016/j.matpr.2020.11.623.

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Bērziņa, Kristīna, and Elena Ketnere. "Simulation of gas-turbine driven device." Scientific Journal of Riga Technical University. Power and Electrical Engineering 25, no. 25 (2009): 27–30. http://dx.doi.org/10.2478/v10144-009-0005-3.

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Simulation of gas-turbine driven devicePower systems are combinations of electrical circuits and electromechanical devices. Engineers working in this discipline are improving the performance of the systems. This is one of the reasons, why the modeling of the power systems is required.

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Zhang, Yun Long. "Research and Simulation on the Energy-Saving Control Model of Large-Scale Intelligent Electromechanical Device." Advanced Materials Research 986-987 (July 2014): 1236–39. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1236.

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In energy-saving control process of large-scale-scale intelligent electromechanical device, it is need to consume non-essential energy. To reduce energy consumption, energy-saving design method is proposed based on adaptive linear genetic algorithms. According to theory of adaptive particle swarm optimization, optimal particle is searched in the global domain, which provides basis for energy-saving control of large-scale-scale intelligent electromechanical device. According to adaptive linear genetic theory, energy-saving control model of large-scale intelligent electromechanical device is built to complete energy-saving control. Experimental results show that algorithm can effectively reduce energy consumption and obtain satisfactory results.

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Pasharavesh, Abdolreza, MT Ahmadian, and H. Zohoor. "Complex modal analysis and coupled electromechanical simulation of energy harvesting piezoelectric laminated beams." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 7 (2018): 2526–37. http://dx.doi.org/10.1177/0954406218784623.

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In this paper, coupled electromechanical behavior of a vibrational energy harvesting system composed of a unimorph piezoelectric laminated beam with a large attached tip mass is investigated. To achieve this goal, first the electromechanically coupled partial differential equations governing the lateral displacement and output voltage of the harvester are extracted through exploiting the Hamilton’s principle. Considering vibration damping due to mechanical to electrical energy conversion, a complex modal analysis is performed to extract the complex eigenfrequencies and eigenfunctions of the system. Furthermore, an exact analytical solution is presented for the system response to the harmonic base excitations, including output voltage and harvested power. To validate the analytical results, at the next step a finite element simulation is conducted through ABAQUS software. To perform a fully-coupled analysis which brings into account the effect of harvesting circuit, user subroutine User-defined Amplitude (UAMP) is utilized to calculate the voltage–current relation and impose the correct electrical charge on the electrodes in each step by monitoring the output voltage of the system at previous time increments. Results of both analytical and numerical simulations are compared for a Micro-Electro-Mechanical Systems (MEMS) harvester as a case study, where a very good agreement is observed between them.

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Bianco, Fabrizio Del, Piero Colli Franzone, Simone Scacchi, and Lorenzo Fassina. "Computational modeling of the electromechanical response of a ventricular fiber affected by eccentric hypertrophy." Communications in Applied and Industrial Mathematics 8, no. 1 (2017): 185–209. http://dx.doi.org/10.1515/caim-2017-0010.

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AbstractThe aim of this work is to study the effects of eccentric hypertrophy on the electromechanics of a single myocardial ventricular fiber by means of a one-dimensional finite-element strongly-coupled model. The electrical current ow model is written in the reference configuration and it is characterized by two geometric feedbacks, i.e. the conduction and convection ones, and by the mechanoelectric feedback due to stretchactivated channels. First, the influence of such feedbacks is investigated for both a healthy and a hypertrophic fiber in case of isometric simulations. No relevant discrepancies are found when disregarding one or more feedbacks for both fibers. Then, all feedbacks are taken into account while studying the electromechanical responses of fibers. The results from isometric tests do not point out any notable difference between the healthy and hypertrophic fibers as regards the action potential duration and conduction velocity. The length-tension relationships show increased stretches and reduced peak values for tension instead. The tension-velocity relationships derived from afterloaded isotonic and quick- release tests depict higher values of contraction velocity at smaller afterloads. Moreover, higher maximum shortenings are achieved during the isotonic contraction. In conclusion, our simulation results are innovative in predicting the electromechanical behavior of eccentric hypertrophic fibers.

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Ding, Wei Tao, Lin Xue An, Chun Ming Wang, Yu Ping Huang, Teng Long, and Meng Long Jiang. "Multidisciplinary Integrated Simulation and Design Optimization Framework for Electromechanical Servo System." Applied Mechanics and Materials 704 (December 2014): 263–69. http://dx.doi.org/10.4028/www.scientific.net/amm.704.263.

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This paper presents a tailored multidisciplinary integrated simulation and design optimization framework for electromechanical servo system (MISDOF-EMSS). The work intends to develop flexible integrated simulation techniques and efficient MDO methods to design advanced electromechanical servo systems in modern industries in a more effective and efficient manner. The proposed framework was developed based on ModelCenter commercial MDO framework because of its opening architecture for process integration and algorithm extension. The hardware and software configurations of MISDOF-EMSS were introduced at first in terms of the application requirements. Parametric geometry modeling toolkit was developed based on Pro-E, which provides the unique geometry source to link various disciplinary simulations. All the disciplinary analysis models were implemented in batch mode using automation techniques, and then seamlessly integrated in MISDOF-EMSS by using ModelCenter’s Filewrapper protocol. Advanced MDO methods including optimization algorithms, surrogate modeling techniques, MDO strategies are implemented in MISDOF-EMSS using Plug-in interface, VB script and Marco in ModelCenter. Finally, an application case of permanent magnet synchronous motor (PMSM) optimization was performed to verify the practicability and applicability of the proposed MISDOF-EMSS.

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Xiao, Liang, Yan Li, Huangqing Xiao, Zheren Zhang, and Zheng Xu. "Electromechanical Transient Modeling of Line Commutated Converter-Modular Multilevel Converter-Based Hybrid Multi-Terminal High Voltage Direct Current Transmission Systems." Energies 11, no. 8 (2018): 2102. http://dx.doi.org/10.3390/en11082102.

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A method for electromechanical modeling of line commutated converter (LCC)-modular multilevel converter (MMC)-based hybrid multi-terminal High Voltage Direct Current Transmission (HVDC) systems for large-scale power system transient stability study is proposed. Firstly, the general idea of modeling the LCC-MMC hybrid multi-terminal HVDC system is presented, then the AC-side and DC-side models of the LCC/MMC are established. Different from the conventional first-order DC-side model of the MMC, an improved second-order DC-side model of the MMC is established. Besides considering the firing angle limit of the LCC, a sequential power flow algorithm is proposed for the initialization of LCC-MMC hybrid multi-terminal HVDC system. Lastly, simulations of small scale and large scale power systems embedded with a three-terminal LCC-MMC hybrid HVDC system are performed on the electromechanical simulation platform PSS/E. It is demonstrated that if the firing angle limit is not considered, the accuracy of the power flow solutions will be greatly affected. Steady state calculation and dynamic simulation show that the developed LCC-MMC hybrid MTDC model is accurate enough for electromechanical transient stability studies of large-scale AC/DC system.

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Lin, Hao, Haipeng Geng, Lie Yu, Hao Li, Sheng Feng, and Baisong Yang. "Electromagnetic torque and strength analysis of combination rotor in high speed PMSM." International Journal of Applied Electromagnetics and Mechanics 64, no. 1-4 (2020): 1019–27. http://dx.doi.org/10.3233/jae-209417.

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For a high-speed permanent magnet synchronous motor supported by air foil bearings, analyzing the influence of the electromagnetic torque on the strength of the combination rotor was necessary. In this study, the electromagnetic torque was obtained using the analytical calculation and the finite element simulation. The contact interface stress analytical equation affected by the electromagnetic torque was elaborated. A three-dimensional finite element model simulating the combination rotor was constructed, and the stress calculations were performed. The strength of the combination rotor met the design requirement. It properly reflected the characteristics of the electromechanical analysis in the combination rotor. The operation experiments were realized to verify the electromagnetic performance and the strength of the combination rotor. The simulation and experimental results were significant for the electromechanical design and analysis of the combination rotor.

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Wang, Bin Wu, Yan Hua Sun, and Wen Zhang. "The Control Simulation Analysis of MATLAB-Based High-Precision Numerical Control Welding Positioner." Advanced Materials Research 466-467 (February 2012): 1363–67. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.1363.

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Based on electromechanical system dynamics model of 3-axis NC positioned, together with the general nonlinear decoupling control theory, the decoupling control method of NC 3-axis positioned is proposed in this paper. In order to control each axis and the simulation of the decoupling control, the Simulink platform of MATLAB soft is used to build a electromechanical system simulation model for NC positioned. The results show that the proposed nonlinear decoupling feedback control method is effective and applicable.

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Lv, Weidong, Guoqiang Wang, and He Tian. "Electromechanical Dynamic Behaviour and Start-Up Evaluation of Tumbling Ball Mills." Mathematical Problems in Engineering 2018 (September 27, 2018): 1–13. http://dx.doi.org/10.1155/2018/3515308.

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This paper presents a dynamic simulator of the electromechanical coupling start-up of a ball mill. The electromechanical coupling model based on the dynamic model of the ball mill, the characteristic equation of the clutch, and the dynamic model of the induction motor is established. Comparison between the simulation results of angular speed, load torque and current obtained from the model, and the experimental results is conducted to validate the correctness of these simulation results. Results show that the simulation results of the electromechanical model are highly consistent with the experimental results. Two indexes are proposed for evaluation. Finally, a 4500 kW ball mill is used to analyse the start-up process with different operation parameters of the air clutch. The effect of the engagement time and the pressure of the air clutch on the torque, current, and shock extent is analysed. Moreover, the optimum inflation time is determined.

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Xu, Lin, Yong-Hong Tang, Wei Pu, and Yang Han. "Hybrid electromechanical-electromagnetic simulation to SVC controller based on ADPSS platform." Journal of Energy in Southern Africa 25, no. 4 (2014): 112–22. http://dx.doi.org/10.17159/2413-3051/2014/v25i4a2244.

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To test the dynamic performance and damping features of a static var compensator (SVC) controller accurately in large-scale interconnected AC/DC hybrid power systems, it is of vital significance to build the detailed electromagnetic transient model. However, it is unrealistic and time-consuming to build the detailed models of all the devices in the actual large-scale power grid. Utilizing the hybrid simulation function in the advanced digital power system simulator (ADPSS) and by dividing the large-scale power grid into the electromagnetic transient sub-grids and electromechanical sub-grids, the computation speed of real-time simulation is remarkably enhanced by the parallel computational capabilities of digital simulator. The SVC controller and the nearby substation are modelled in the electromagnetic transient sub-grid, and the residue sub-networks are modelled in the electromechanical sub-grid. This paper focuses on the mechanism of the hybrid electromechanical and electromagnetic simulation, the detailed modelling and the ADPSS-based digital closed-loop test methodologies of the SVC controller. Eventually, the validity and effectiveness of the modelling and control methods are confirmed by the experimental results.

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Xing, Zhichao, Guoye Wang, Zhangpeng Gong, Shudong Zhang, Dongxin Xu, and Sijie Peng. "Double-Drum Test Bench for Variable Load Transfer Simulation by Electromechanical Inertia Compensation." Sensors 19, no. 19 (2019): 4322. http://dx.doi.org/10.3390/s19194322.

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To improve the accuracy and actual road equivalence of vehicle performance testing using test benches, a double-drum test bench that meets the test requirements of vehicle control system prototypes and in-use vehicles was designed. Dynamic models of the single-wheel test bench and the vehicle test bench were established, and mechanisms were theoretically analyzed for single-wheel variable adhesion and vehicle load transfer for equivalent testing using the variable placement angle. The mechanism of electromechanical inertia compensation was studied to realize stepless simulation of vehicle inertia and simulate dynamic load while braking. The simulation model of the vehicle test bench system was established based on MATLAB/Simulink. Simulations were carried out to verify the anti-lock braking system (ABS) performance test functionality of the test bench under high adhesion, bisectional, and low adhesion conditions. Referring to the simulation conditions, ABS tests under actual test bench and road conditions were carried out. Results demonstrated that the mechanism of variable load transfer simulation by electromechanical inertia compensation improves the equivalent accuracy compared to that of its road test equivalent, verifying the feasibility of the simulation mechanism. This study could help further improve the accuracy and reduce the cost of vehicle performance testing, thus greatly benefitting the vehicle development and testing industry.

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Liu, B., and H. S. Tzou. "Distributed Photostrictive Actuation and Opto-Piezothermoelasticity Applied to Vibration Control of Plates." Journal of Vibration and Acoustics 120, no. 4 (1998): 937–43. http://dx.doi.org/10.1115/1.2893923.

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Conventional hard-wired sensor/actuator systems are likely sensitive to strong electromagnetic fields, cross-talks, electric noises, etc. Noncontact distributed opto-electromechanical actuators driven by high-energy lights do not require direct hardwire connections. These opto-electromechanical actuators can operate in hostile and extreme environments with strong magnetic and/or electric disturbances. In this study, detailed photostriction, pyroelectricity, thermoelasticity and photodeformation of 2-D opto-electromechanical photostrictive actuators are analyzed. A servo control system is proposed and its governing system equation is derived. The opto-electromechanical actuators are used in vibration control of a rectangular plate. Experimentally calibrated simulation results show that the opto-electromechanical actuators are effective in vibration control and the highest frequency of controllable vibration can achieve several hundred Hertz.

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Juraitis, Sigitas. "MODEL OF TWO-MASS ELECTROMECHANICAL SYSTEM." Mokslas - Lietuvos ateitis 2, no. 1 (2010): 85–89. http://dx.doi.org/10.3846/mla.2010.019.

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The computer model of electromechanical system with elasticity and clearance is elaborated. Model of induction motor is developed in stationary reference frame. Results of simulation are presented and discussed. Conclusions about influence of finite stiffness and clearance on the system dynamics are made.

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Zhao, Hong Yu, and Bao Qing Liu. "Co-Simulation Technology Development and Application of Electromechanical System." Applied Mechanics and Materials 203 (October 2012): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amm.203.3.

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current electromechanical products are moving in the direction of large integrated and small intelligent, a mechanical and electrical equipment is usually composed of many parts, we not only need physical test to know whether these parts perform well or not, but also need simulation analysis for many times to verify the performance of the whole device. Firstly, this paper depicts the current development situation of mechanical and electrical co-simulation technology, then researches its practical application combined with industrial production.

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