An I-F starting method for smooth and fast transition to sensorless control of BLDC motors

Baratieri, Cassio Luciano; Pinheiro, Humberto

doi:10.1109/cobep.2013.6785212

Cited by 23 publications

(12 citation statements)

References 15 publications

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“…Furthermore, speed oscillations during the I‐f ramp‐up due to mid‐frequency instability also cause estimation error in the direct transition method. Hence, the direct transition is performed at a constant speed, where the speed oscillations have already settled [6]. A detailed analysis of the effect of error in position estimation at the changeover instant on the system dynamics after the changeover is analysed in Section 3 using simulation.…”

Section: I‐f Open‐loop Starting and Sensorless Vector Controlmentioning

confidence: 99%

“…Different transition methods are discussed in the literature to obtain a smooth and seamless changeover. In direct transition methods [6], a quick changeover is performed by changing the control system transformation angle from the synchronously rotating reference frame angle to the already converged sensorless estimated angle. Also, the q ‐axis current reference and current controller states are redefined appropriately.…”

Section: Introductionmentioning

confidence: 99%

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Quick and seamless transition method for I‐f to sensorless vector control changeover and on‐the‐fly start of PMSM drives

Nair

Hatua

Prasad

et al. 2020

IET Electric Power Applications

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A smooth changeover from the I‐f method to closed‐loop sensorless vector control is a critical requirement for permanent magnet synchronous motor (PMSM) drives using a back‐emf based sensorless algorithm for medium‐ to high‐speed range control. The existing methods provide a smooth transition by aligning the angle generated by I‐f control to the sensorless estimated angle. However, the overall start‐up time increases due to the additional transition interval, which limits the usability of these methods for applications requiring a quick start‐up. Furthermore, the use of a direct transition method to reduce the changeover time results in speed and current oscillation if the estimated position using sensorless algorithm is having an error. In the proposed method, the inverter pulses are disabled for a short duration and the machine back‐emf is measured after the stator current falls to zero. Therefore, a quick and seamless transition is achieved in the proposed method by accurately estimating the rotor position from the sensed back‐emf. The proposed method is also extended to perform on‐the‐fly start for power failure ride through during short time power supply interruption. The performance of the proposed method is verified using simulation and experiment on a 25 kW PMSM drive.

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Section: I‐f Open‐loop Starting and Sensorless Vector Controlmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Quick and seamless transition method for I‐f to sensorless vector control changeover and on‐the‐fly start of PMSM drives

Nair

Hatua

Prasad

et al. 2020

IET Electric Power Applications

View full text Add to dashboard Cite

show abstract

“…This can be difficult to perform for the variety of motors available for multirotor aerial vehicles. The I‐F starting method proposed in [3] focuses mainly on the transition between open‐loop and closed‐loop control. The speed‐independent position function [4] provides information about commutation points by taking a ratio of the back electromotive force (back‐EMF) and determining when that ratio exceeds a set threshold.…”

Section: Related Workmentioning

confidence: 99%

Hybrid field oriented and direct torque control for sensorless BLDC motors used in aerial drones

Carey

Zimmerman

Ababei

2019

IET Power Electronics

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In this paper, a sensorless hybrid control scheme for brushless DC (BLDC) motors for use in multirotor aerial vehicles is introduced. In such applications the control scheme must satisfy high performance demands for a wide range of rotor speeds and must be robust to motor parameter uncertainties and measurement noise. The proposed controller combines Field-Oriented Control (FOC) and Direct Torque Control (DTC) techniques to take benefit of the advantages offered by each of these techniques individually. Simulation results demonstrate the effectiveness of the proposed control scheme over a wide range of rotor speeds as well as good robustness against parameter uncertainties within −5.. + 10% for inductance and −5.. + 5% for resistance parameters. The proposed hybrid controller is robust also against noise in voltage and current measurements. In order to verify the results from simulation, the proposed hybrid controller is implemented in hardware using the TI C2000 Piccolo Launchpad and TI BOOSTXL-DRV8305EVM BoosterPack. Testing is done with a Bull Running motor typically used in aerial drones. Testing experiments demonstrate that the hybrid controller reduces the rotor speed ripple when compared to DTC while operating in steady-state mode and decreases the response time to desired speed changes when compared to FOC.

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“…For the applications where the high speed operation is mainly considered, only the starting procedure can be considered for the low speed operation. In this paper, I-F control method is adopted as starting method [29], [30]. It indicates the current control method in the arbitrary reference frame.…”

Section: Position Sensorless Algorithmmentioning

confidence: 99%

Control Method for Mono Inverter Dual Parallel Surface-Mounted Permanent-Magnet Synchronous Machine Drive System

Lee

Park

2015

IEEE Trans. Ind. Electron.

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This paper presents the control method for mono inverter dual parallel (MIDP) surface mounted permanent magnet synchronous motor (SPMSM) drive system. Unlike the MIDP induction machine drive system, MIDP SPMSM drive system suffers from the inherent instability due to the lack of slip. Proposed active damping control method refrains the system oscillation coming from the mechanical and electrical unbalances and enables the stable operation. This paper also presents the simple maximum torque per ampere control method for MIDP SPMSM drive system. Mathematically calculated optimal currents reduce the amplitude of the currents and improve the drive efficiency. To maximize the merits of the MIDP motor drive system, sensorless algorithm is also applied. Experiments with the 600W SPMSMs are executed to verify the feasibility of the proposed control method.

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An I-F starting method for smooth and fast transition to sensorless control of BLDC motors

Cited by 23 publications

References 15 publications

Quick and seamless transition method for I‐f to sensorless vector control changeover and on‐the‐fly start of PMSM drives

Quick and seamless transition method for I‐f to sensorless vector control changeover and on‐the‐fly start of PMSM drives

Hybrid field oriented and direct torque control for sensorless BLDC motors used in aerial drones

Control Method for Mono Inverter Dual Parallel Surface-Mounted Permanent-Magnet Synchronous Machine Drive System

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