Thematische Bibliographien / Motor configurations

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Auswahl der wissenschaftlichen Literatur zum Thema „Motor configurations“

Autor: Grafiati

Veröffentlicht am 29. Juni 2021

Zuletzt aktualisiert am 4. Februar 2022

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Zeitschriftenartikel zum Thema "Motor configurations"

Korkosz, Mariusz, Jan Prokop, Bartlomiej Pakla, Grzegorz Podskarbi, and Piotr Bogusz. "Analysis of Open-Circuit Fault in Fault-Tolerant BLDC Motors with Different Winding Configurations." Energies 13, no. 20 (2020): 5321. http://dx.doi.org/10.3390/en13205321.

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In this study, tests were carried out on a brushless permanent magnet DC motor with different winding configurations. Three configurations were compared: star, delta and combined star–delta. A mathematical model was constructed for the motor, taking into account the different winding configurations. An analysis of the operation of the motor in the different configurations was performed, based on numerical calculations. The use of different winding configurations affects the properties of the motor. This is significant in the case of the occurrence of various fault states. Based on numerical calculations, an analysis of an open-circuit fault in one of the phases of the motor was performed. Fast Fourier Transform—FFT analysis of the artificial neutral-point voltage was used for the detection of fault states. The results were verified by tests carried out under laboratory conditions. It was shown that the winding configuration has an impact on the behaviour of the motor in the case of an open circuit in one of the phases. The classical star configuration is the worst of the possible arrangements. The most favourable in this respect is the delta configuration. In the case of the combined star–delta configuration, the consequences of the fault depend on the location of the open circuit.

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Hwang, Chang Chou, Hsing Cheng Chang, Ming Te Ho, and Cheng Tsung Liu. "Design Comparison of Fractional-Slot IPM Machine Types for an Electric Power Steering Application." Materials Science Forum 670 (December 2010): 243–51. http://dx.doi.org/10.4028/www.scientific.net/msf.670.243.

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This paper deals with the design comparison of interior permanent magnet (IPM) motors with fractional-slot winding configurations for an electric power steering (EPS) application. By making comparisons of these configurations based on cogging torque, torque ripple, average torque, and efficiency, an IPM rotor configuration has been chosen for use as a prototype motor. The Taguchi parameter method coupled with the finite element analysis (FEA) is employed to achieve the desired performance requirements within a reasonable geometry. To assess the rated current and thermal behavior of the motor, the lumped circuit models are conducted.

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Pathak, Aditya, Ganesh Sethuraman, Sebastian Krapf, Aybike Ongel, and Markus Lienkamp. "Exploration of Optimal Powertrain Design Using Realistic Load Profiles." World Electric Vehicle Journal 10, no. 3 (2019): 56. http://dx.doi.org/10.3390/wevj10030056.

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The electrification of bus-based public transportation contributes to the goal of reducing the adverse environmental impacts caused by urban transportation. However, the penetration of electric vehicles has been slow due to their lower vehicle range and total costs in comparison to vehicles driven by internal combustion engines. By improving the powertrain efficiency, the total costs can be reduced for the same vehicle range. Therefore, this paper proposes a holistic design exploration approach to investigate and identify the optimal powertrain concept for electric city buses based on the component costs and energy consumption costs. The load profiles of speed, slope, and passenger occupancy profiles are derived for a selected bus route in Singapore, which is used in a powertrain design exploration for a 30-passenger vehicle. Six different powertrain architectures are analyzed, together with single and multi-speed gearbox configurations, to identify the optimal powertrain architecture and the resulting component sizes. The powertrain configurations are further analyzed in terms of their influence on the vehicle characteristics and total costs. Multi-motor configurations were found to have better vehicle characteristics and lower total costs in comparison to single rear motor configurations. Concepts with motors on the front and a rear axle could shift the load points to a higher efficiency region, resulting in lower energy consumption and energy costs. The optimal powertrain concept was a fixed-speed two-motor configuration, with a booster motor on the front axle and a motor on the rear axle.

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Tuononen, Ari J., and Antti Lajunen. "Modal analysis of different drivetrain configurations in electric vehicles." Journal of Vibration and Control 24, no. 1 (2016): 126–36. http://dx.doi.org/10.1177/1077546316635857.

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This paper presents a modal analysis of different drivetrain configurations in electric vehicles; 1) an in – wheel motor, 2) direct drive, and 3) an electric motor with a reduction gear and a differential gear. A specific simulation model was developed to analyze the vibrations while taking into account the traction motor, possible mechanical reduction gears, and the driveshaft, as well as a Rigid Ring Model (RRM) to describe the tire. On the basis of the simulation results, the frequency responses were calculated for each drivetrain configuration and also for a non-drive, free-rolling tire. The analyzed results show interesting differences between the different drivetrain configurations. However, most of the negative aspects can be compensated for if identified in the early design phase. For instance, the frequency response of the in-wheel motor configuration indicated that the vibrations that occur might cause negative effects in terms of driving comfort and wheel speed signal noise. The direct drive configuration has an additional mode at 24 Hz, and the differential configuration at 4 Hz. It is possible that these modes would resonate strongly if some drivetrain design parameters were poorly defined.

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Hoang, Ngoc-Tan, and Hong-Sen Yan. "On the Design of In-Wheel-Hub Motor Transmission Systems with Six-Link Mechanisms for Electric Vehicles." Energies 11, no. 11 (2018): 2920. http://dx.doi.org/10.3390/en11112920.

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Nowadays, there are several electric vehicles (EV) on the market, due to the innovation of technology that promotes new components such as batteries, transmissions, and electric motors. This study proposes the design procedure for the configuration synthesis and simulation of in-wheel-hub motor transmissions with six-link mechanisms. The synthesis process shows six mechanisms with six members and eight joints, 15 new clutchless motor transmissions, and 16 new clutched motor transmissions. A novel motor transmission with the possibility of synthesized configurations is chosen as a case to analyze the working rules connected with the power flow modes and operation modes. Moreover, this design is modeled for the simulation process that generates the results of the operation mode transition and energy regulation.

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Boynov, K., J. J. H. Paulides, and E. A. Lomonova. "Comparative analysis of the SRM as an alternative to the PM motor for automotive applications." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, no. 5 (2014): 1599–612. http://dx.doi.org/10.1108/compel-09-2013-0296.

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Purpose – The purpose of this paper is to present comparative analysis of several configurations of the switched reluctance motor (SRM) for an in-wheel drive for a heavy-duty automotive series hybrid system. The SRM motor is regarded as one of the primary candidates for possible replacement of the permanent magnet (PM) motor. Design/methodology/approach – Three SRMs of 10/8, 12/10 and 12/8 configurations have been analysed, where the last two motors had the stator lamination profile taken from the existing PM motor. The analysis is performed using magnetostatic FEM and transient modelling techniques. Findings – The maximum developed electromagnetic torque of the two analysed motors of 12/10 and 12/8 SRM configurations with the stator lamination profile taken from the existing PM motor is limited due to saturation of the stator yoke. Both motor configurations are capable to provide the specified power within the same outer dimensions due to extended speed in the field-weakening region and position independent starting torque. A redesigned stator results in substantial increase in torque developed by the machine and, consequently, ability to provide similar torque-speed performance as the existing PM motor, at cost of increased copper loss at the low-speed regime. Originality/value – The paper proposes several structures of SRMs for the in-wheel drive for a heavy-duty automotive series hybrid system converted from the present expensive PM machine, having the same power density. The “bottleneck” of the direct conversion of the PM machine into the SRM is highlighted.

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Malfait, Nicole, Douglas M. Shiller, and David J. Ostry. "Transfer of Motor Learning across Arm Configurations." Journal of Neuroscience 22, no. 22 (2002): 9656–60. http://dx.doi.org/10.1523/jneurosci.22-22-09656.2002.

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Chen, Yan-song, I.-Ming Chen, and Tyng Liu. "A design approach for multi-configuration hybrid transmission mechanisms." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 12 (2020): 2744–58. http://dx.doi.org/10.1177/0954407020924981.

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Several hybrid architectures have been widely used in hybrid electric vehicles. For example, power-split architecture brings seamless operation, while parallel architecture makes the internal combustion engine directly drive the wheel. To combine the advantages of various architectures, this study aims to develop a design approach to create a transmission mechanism that has multiple configurations and uses these configurations to achieve several hybrid architectures. First, this study standardized hybrid transmission mechanisms using the Function Power Graph; this powerful and intuitive tool inspired several elements and an element layout for the new mechanisms. Then, several configurations with up to five elements were enumerated and organized into the databases. Next, the mechanisms with multiple configurations and a limited number of clutching units (clutches or brakes) were evaluated, 10 of which were identified as the best group that provided five parallel configurations, two 2-motor electric vehicle configurations, and a power-split configuration. At the end of this paper, a novel hybrid transmission mechanism was developed as a demonstration. It provides higher power and torque at the output but there is no need to use the larger internal combustion engine or motor-generators. This mechanism also enables the internal combustion engine to drive in overdrive parallel architectures to avoid the loss in energy conversion when the power-split architecture is not required. As a result, after a designer specifies the desired hybrid configurations, follows the procedure, and uses the configuration databases built in this study, a novel hybrid transmission mechanism will be created.

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Shen, Jianxin, Kang Wang, Dan Shi, Canfei Wang, and Mengjia Jin. "Optimal design of low-cost IPM AC motor." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, no. 5 (2014): 1587–98. http://dx.doi.org/10.1108/compel-09-2013-0292.

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Purpose – The purpose of this paper is to present the optimal design of a low-cost interior permanent magnet (IPM) alternating current (AC) motor. It examines the influence of the permanent magnet (PM) materials, and proposes a simple and practical method of optimizing the air-gap field to achieve sinusoidal back electromotive force (EMF), and to reduce the cogging torque. Design/methodology/approach – IPM AC motors with different magnet materials and various topologies are comparatively studied. Finite element method (FEM) is used to predict the performances of these designs. Material costs and manufacture costs are both taken into account. Finally, an optimized design is prototyped and tested, validating the design considerations. Findings – In an IPM AC motor, even if the rotor outer profile is round, the air-gap field distribution can be fined, while the cogging torque can be significantly reduced, by properly shaping the stator tooth tips. Nevertheless, this technique is usually applicable to motor configurations with concentrated windings, but not to those with distributed windings. Originality/value – While using ferrite magnets for PM AC motors with a kW power, interior magnets are usually inserted in V-shaped slots, and the rotor outer profile is often shaped in order to enhance the air-gap field distribution. However, such a rotor configuration usually increases the manufacture costs, and also deteriorates the consistency of mass production. Therefore, a new motor configuration with a round rotor outer profile and shaped stator tooth tips is proposed. It can not only overcome the aforementioned problems, but also improve the motor performance.

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de Freitas, Roberto M., Atsushi Sasaki, Dimitry G. Sayenko, et al. "Selectivity and excitability of upper-limb muscle activation during cervical transcutaneous spinal cord stimulation in humans." Journal of Applied Physiology 131, no. 2 (2021): 746–59. http://dx.doi.org/10.1152/japplphysiol.00132.2021.

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We examined selectivity and excitability of motor activation in multiple upper-limb muscles during cervical transcutaneous spinal cord stimulation with different cathode and anode configurations. Hand muscles were more activated when the cathode was configured over the T1 vertebra compared with C6 and C7 locations. Higher stimulation intensities were required to activate distal hand muscles than proximal arm muscles. Finally, configuration of anode over anterior neck elicited larger responses compared with other configurations.

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