Academic literature on the topic 'Back-EMF zero crossing'

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Journal articles on the topic "Back-EMF zero crossing"

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Wang, Hui. "BLDC Motor Sensorless Control System Based on ADSP-BF548." Applied Mechanics and Materials 494-495 (February 2014): 1253–56. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1253.

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In this thesis , the control strategy based on sensorless BLDCM(Brushless DC Motor) has been researched.A control system for BLDCM operating on ADSP-BF548 has been given. we focus on studying the control strategy of sensorless BLDC motor based on back-EMF detection, and present a control system for BLDC motor based on ADSP-BF548 special for motor control. The calculation method of back EMF in BLDC motor was deduced and the hardware circuit of line voltage detecting was designed. A pre-position starting tactics based on back EMF detection and a tactics of phase converting by postponing back-emf
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Zhao, Xian Kun. "Back-EMF Zero-Crossing Rotor Position Detection Control of BLDC Motors." Applied Mechanics and Materials 155-156 (February 2012): 643–47. http://dx.doi.org/10.4028/www.scientific.net/amm.155-156.643.

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To compare the similarities and differences between BLDCs and PMSMs firstly, then to present the theory of back-EMF zero-crossing rotor position detection. To propose the control scheme using 56F8013 based on back-EMF method. Finally investigate the research prospect of BLDCS.
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Wang, Li Huo, Wei Yao, and Wei Zhang. "A Fridge Compressor Control System Based on MC56F8013." Advanced Materials Research 383-390 (November 2011): 6019–24. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.6019.

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This paper describes Freescale company’s DSP device MC56F8013 implementation of a fridge compressor control system about BLDC motors without position sensors, which includes motor starting and back EMF running. The motor start-up detects the variation of rotor position according to inductance of stator core. Then when the rotor is accelerated to a certain speed, EMF mode is switched. The EMF mode estimates the rotor position by back EMF zero-crossing detection method. The experiment results prove that the proposed system based on MC56F8013 can work normally and efficiently, and guarantee the d
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Thakur, Anant. "Improvement of Back EMF & Minimization of Torque Ripple of BLDC Motor." SMART MOVES JOURNAL IJOSCIENCE 5, no. 8 (2019): 1–7. http://dx.doi.org/10.24113/ijoscience.v5i8.220.

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In Brushless DC (BLDC) motor minimized the torque ripple with the help of electronically based commutators. When torque ripple is minimizes then copper loss is also minimizes. In this paper, our main aspect to decrease the torque ripples & improved the back emf of brushless dc (BLDC) motor. This paper shows that the torque produced by the BLDC motors with trapezoidal Back EMF is constant under ideal condition. Due to freewheeling torque ripples are produced which is reduced. In this paper rotor position is determined by the Zero Crossing Detection (ZCD) of back emf. Unlike old methods of c
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Kaliappan, E., and C. Chellamuthu. "Modeling, simulation and experimental analysis of permanent magnet brushless DC motors for sensorless operation." Archives of Electrical Engineering 61, no. 4 (2012): 499–515. http://dx.doi.org/10.2478/v10171-012-0039-6.

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Abstract This paper presents a simplified modeling, simulation and Experimental analysis of permanent magnet brushless dc motors (PMBLDC) for sensorless operation. This model provides a mechanism for monitoring and controlling of voltage, current, speed and torque. The sensorless scheme employs direct back emf based zero crossing detection for controlling the dynamic characteristics.
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Cao, Yan Ling, and Ping Cao. "The Development of Initial Position End-of-Line Test System for PMSM." Advanced Materials Research 1061-1062 (December 2014): 995–98. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.995.

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The resolver is widely used in the production applications due to the robust mounting and high accuracy at full range. However, the mounting accuracy of such sensors will significantly limit the torque accuracy and performance if the initial positions are not calibrated at the end-of-line (EOL) test. An initial position EOL test system is designed base on the production requirements. A simple initial position measurement method is introduced and applied to the PMSM motor, which measures the back EMF and the North mark (NM) signal of the resolver. The time difference between the back EMF zero c
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Chen, Chang Chun, Jia Dan Wei, Bo Zhou, and Guo Sheng Li. "A Novel Speed Sensorless Control of Brushless DC Motor in Position Servo System." Advanced Materials Research 383-390 (November 2011): 4424–31. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4424.

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Zero crossing points of Back-Electromotive force (EMF) is the most mature and widely used method of the speed sensorless control of brushless DC motor (BLDCM). However, with the poor performance from standstill to low speed, it is not suitable for the position servo system. Therefore, this paper first analyzes several conventional speed sensorless control schemes in the BLDCM, then presents a novel control algorithms for the BLDCM. In the proposed method, the short pulse sensing method for the rotor position in the Start-Up process and self-synchronization with zero cross points of back-EMF ar
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Mrs., Babita, and Jitendra Singh Bhadoriya Mr. "A NOVEL APPROACH TO IMPROVE THE CHARACTERISTIC OF A SENSORLESS BLDC MOTOR USING CONTROL STRATEGY." International Journal of Advances in Engineering & Scientific Research, Vol.4,, Issue 2, Feb-Apr-2017, (2017): pp 31–48. https://doi.org/10.5281/zenodo.570108.

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This Research work represent an improved direct back EMF detection method .It is desirable in any kind of machine to use a method which is less dependable on the sensors and complex circuits, so in this paper a sensor less method is used to commutate and trigger the inverter connected to BLDC motor. A low pass filter arrangement with comparator is used for detection of back EMF with hall effect sensors. Hall effect signals gives the information of the operations in the BLDC motor in this work hall effect signals are used for the gate pulses for the inverter. In this research work rotor positio
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Mrs., Babita1, and Jitendra Singh Bhadoriya2 Mr. "A NOVEL APPROACH TO IMPROVE THE CHARACTERISTIC OF A SENSORLESS BLDC MOTOR USING CONTROL STRATEGY." International Journal of Advances in Engineering & Scientific Research 4, no. 2 (2017): 31–48. https://doi.org/10.5281/zenodo.10774888.

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<strong>Abstract</strong><strong>: </strong> &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; This Research work represent an improved direct back EMF detection method .It is desirable in any kind of machine to use a method which is less dependable on the sensors and complex circuits, so in this paper a sensor less method is used to commutate and trigger the inverter connected to BLDC motor. A low pass filter arrangement with comparator is used for detection of back EM
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Peng, Er Bao, Hong Ge Zhang, and Hong Ying Wang. "Research of the Measurement Technique for the DC Motor Sensorless Control." Advanced Materials Research 424-425 (January 2012): 1003–6. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.1003.

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Back-EMF zero-crossing detection can detect motor rotor position. The motor start-up problem of sensorless detection technique motor is researched. A novel three-stage start-up method is proposed to solve the problem. And it can ensure Security and reliability of motor start-up and controllability of motor rotation. There is actual theoretical basis for implementing measurement control system for the DC motor sensorless control.
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Conference papers on the topic "Back-EMF zero crossing"

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Kroics, Kaspars, Janis Zakis, and Ugis Sirmelis. "Implementation of the back EMF zero crossing detection for BLDC motor." In 2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). IEEE, 2017. http://dx.doi.org/10.1109/rtucon.2017.8124770.

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Li Qiang, Lin Mingyao, Hu Minqiang, and Gu Weigang. "Research on filters for back EMF zero-crossing detecting in sensorless BLDC motor drives." In Proceedings of the Eighth International Conference on Electrical Machines and Systems. IEEE, 2005. http://dx.doi.org/10.1109/icems.2005.202892.

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Kanhare, Nehal, B. S. Dani, and U. E. Hiwase. "Brushless DC motor drive using sensorless control back EMF zero crossing detection and filter technique." In 2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT). IEEE, 2016. http://dx.doi.org/10.1109/iceeot.2016.7755528.

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Syamsiana, Ika Noer, Ming-Syhan Wang, and Arwin Datumaya Wahyudi Sumari. "A Study on Sensorless Trapezoidal BLDC Motors Based on Back-EMF Zero Crossing Detection Method." In 2019 2nd International Conference on Applied Engineering (ICAE). IEEE, 2019. http://dx.doi.org/10.1109/icae47758.2019.9221649.

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Lin, Qiangqiang, Tao Jiang, Dongge Zhang, Zongshuai Yue, and Yu Li. "Calibration of the initial position angle by back EMF zero crossing method based on DA chip." In 2022 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI). IEEE, 2022. http://dx.doi.org/10.1109/icceai55464.2022.00036.

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Tu, Xiaotao, and Chenglin Gu. "Experimental research on back EMF zero crossing detection method for novel transverse flux permanent magnet motor." In 2011 International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2011. http://dx.doi.org/10.1109/icems.2011.6073877.

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Pindoriya, R. M., A. K. Mishra, B. S. Rajpurohit, and R. Kumar. "Analysis of position and speed control of sensorless BLDC motor using zero crossing back-EMF technique." In 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE, 2016. http://dx.doi.org/10.1109/icpeices.2016.7853072.

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Ungurean, A., V. Coroban-Schramel, and I. Boldea. "Sensorless control of a BLDC PM motor based on I-f starting and back-EMF zero-crossing detection." In 2010 12th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM). IEEE, 2010. http://dx.doi.org/10.1109/optim.2010.5510578.

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