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http://hdl.handle.net/10397/82304
Title: | Speed control of segmented PMLSM based on improved SMC and speed compensation model | Authors: | Wen, T Xiang, B Wang, ZY Zhang, SL |
Issue Date: | 2020 | Source: | Energies, 2 Feb. 2020, v. 13, no. 4, 981, p. 1-16 | Abstract: | A segmented control model including an improved sliding model control (SMC) and a speed compensation model is applied into the speed control of a segmented permanent magnet linear synchronous motor (PMLSM) to improve the speed precision during the drive process and reduce the speed loss during the switch process. During the drive process of segmented PMLSM, an improved SMC with a disturbance observer (DOB) is used to suppress the speed fluctuation, and a DOB is added to suppress the oscillation caused by the switch part of SMC. During the switch process of a segmented PMLSM, a speed compensation model based on the position feedback of permanent magnet (PM) actuator is designed to reduce the speed loss of a segmented PMLSM, so the speed of PM actuator could be kept at the reference speed when the PM actuator absolutely quits the stator windings. Finally, the simulation and experiment are conducted to verify the control performances of proposed control model, the results indicate that the speed fluctuation of PM actuator and the speed loss during the switch process are mitigated. Therefore, this proposed control model could satisfy requirements of high-stability and celerity of segmented PMLSM in a long-distance automatic transportation system. | Keywords: | Improved sliding mode control Speed compensation Speed fluctuation Segmented permanent magnet linear synchronous motor |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Energies | EISSN: | 1996-1073 | DOI: | 10.3390/en13040981 | Rights: | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). The following publication Wen, T.; Xiang, B.; Wang, Z.; Zhang, S. Speed Control of Segmented PMLSM Based on Improved SMC and Speed Compensation Model. Energies 2020, 13, 981 is available at https://dx.doi.org/10.3390/en13040981 |
Appears in Collections: | Journal/Magazine Article |
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Wen_PMLSM_SMC_Speed.pdf | 6.3 MB | Adobe PDF | View/Open |
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