Oversampled deadbeat current control strategy for PMSM drives

Rovere, Luca; Formentini, Andrea; Zanchetta, Pericle

doi:10.1109/iecon.2016.7793516

Cited by 6 publications

(7 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…And the updated pulse will be output at T (k+0. 25) . The formulas of u d PR (k) and u q PR (k) are as follows:…”

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

“…According to the above duty cycle information, the intersection number n k between modulation wave and triangular carrier is determined from T k time to T (k+0. 25) . According to the number of intersection points, the method proposed in this paper can be implemented in the following three situations at T k time:…”

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

“…Step 2 can be executed in the following two situations: ① If n k > 1, the d-q axis currents at the time of T (k+0.5) are predicted by Equation (7) as delay compensation at the time of T (k+0. 25) . The reference voltages of d-q axis are calculated by Equation (8).…”

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

“…The exact model of PMSM will help to improve the motor control performance, but this method was still difficult to solve the problem caused by the reduction of sampling times in a fundamental cycle of stator voltage. In [25][26][27], FPGA has been used to realize over-sampling, which improves the response speed of the system to dynamic disturbance. In [25,26], the researchers proposed the oversampling control method based the constant frequency control strategy.…”

Section: Introductionmentioning

confidence: 99%

“…5) timeAccording to the duty cycles calculated by step 2 at T (k +0 25) ,. judge the intersection number n k+0.5 from time T (k +0.5) to time T (k+0.75) .…”

mentioning

confidence: 99%

See 4 more Smart Citations

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

Wang

Xie

Jin

et al. 2021

IET Electric Power Appl

View full text Add to dashboard Cite

When the speed of permanent magnet motor is relatively high, the fundamental frequency of stator voltage and current will rise. However, due to the limitation of switching frequency of power electronic devices, the switching times of power devices will be greatly reduced in a fundamental cycle of stator voltage. For the traditional control method with constant switching frequency mode, the control algorithm is executed only once in a carrier wave cycle, which will result in a low control frequency operating condition for the PMSM control system. At this time, the dynamic and steady-state control performance of stator current will be decreased. In response to above problem, this paper proposed a deadbeat predictive current control method based on oversampling scheme, which the core algorithm of current loop operated four times and updated the PWM duty twice in one switching cycle. The number of control times of the proposed method is greater than that of the conventional method when the conventional deadbeat method and the proposed method adopt the same switching cycle. Therefore, the control method does not increase the switching frequency of power devices, but improves the dynamic and stable performance of the system, especially under the highspeed condition.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

show abstract

“…And the updated pulse will be output at T (k+0. 25) . The formulas of u d PR (k) and u q PR (k) are as follows:…”

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

Section: The Principle Of Over Sampling Deadbeat Predictive Current C...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…5) timeAccording to the duty cycles calculated by step 2 at T (k +0 25) ,. judge the intersection number n k+0.5 from time T (k +0.5) to time T (k+0.75) .…”

mentioning

confidence: 99%

See 3 more Smart Citations