An Effective Predictive Torque Control Technique for Open-end Winding Permanent Magnet Synchronous Motor Drives with Reduced Ripples for EVs

Kumar, Kasoju Bharath; Kumar, K. Vijay

doi:10.1109/icpc2t53885.2022.9776814

Cited by 4 publications

(16 citation statements)

References 14 publications

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“…24 The average switching frequency of the inverter is low compared to Kumar and Kumar. 24 The comparison of electromagnetic torque, stator flux ripples of the machine, and average switching frequency of the inverter at different speed conditions under zero load condition is tabulated in Table 5. Nevertheless, the average switching frequency of the inverters used when P-PTC was implemented is less when compared to the average switching frequency of the inverters when C-PTC is implemented.…”

Section: Resultsmentioning

confidence: 98%

“…From Tables 4 and 5 comparison, it can be concluded that: The C‐PTC has the highest torque ripples and flux ripples at all speeds. It has highest average switching frequency which increase the switching losses of the inverter. The WF elimination in Kumar and Kumar 24 has the less torque ripples when compared to C‐PTC as there is no involvement of WF but increased flux ripples. The P‐PTC has less torque and flux ripples when compared to conventional and the PTC method in Kumar and Kumar 24 . The average switching frequency of the inverter is low compared to Kumar and Kumar 24 …”

Section: Resultsmentioning

confidence: 99%

“…Similarly, the comparison of stator flux ripples of the machine using bar chart is shown in Figure 24. The graph of average switching frequency (in kHz) and speed (in rad/s) for C‐PTC, PTC, 24 and P‐PTC is shown in Figure 25, which shows the reduced switching frequency in P‐PTC. The torque ripples, stator flux ripples, and %THD values at different speed and 10 Nm loading condition are tabulated in Table 4.…”

Section: Resultsmentioning

confidence: 99%

“…The torque ripples, stator flux ripples, and %THD values at different speed and 10 Nm loading condition are tabulated in Table 4. From Table 4, it is observed that the %THD in stator current is high (13.1% for C‐PTC, 12.06% for PTC, 24 and 9.88% for P‐PTC) when the 50% of the rated load torque (10 Nm) is loaded on the machine at low speeds as the machine is unable to reach the set speed under the loaded conditions. However, the %THD in the stator current is reduced when the machine is operating at high speeds.…”

Section: Resultsmentioning

confidence: 99%

“…The IPMSM machine produces less torque and flux ripples when the proposed PTC (P‐PTC) is implemented. In this paper, the P‐PTC is compared with the C‐PTC and the WF elimination PTC in Kumar and Kumar, 24 and the results are tabulated.…”

Section: Introductionmentioning

confidence: 99%

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Simple predictive torque control of an open‐end winding interior permanent magnet synchronous motor drive without weighting factor for electric vehicle applications

Kumar

2023

Circuit Theory & Apps

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Permanent magnet synchronous motor (PMSM) drives are effectively used in the application of electric vehicles (EVs) due to their ease of construction and simpler in operation. Model predictive control (MPC) is an efficient control strategy used in motion control applications. Predictive torque control (PTC) is a type of MPC that selects a suitable voltage vector (VV) from a set of 19 VVs in order to minimize the cost function. However, as the control variables in the cost function in PTC are distinct, a weighting factor is essential. The tuning of the weighting factor is a burdensome control process. To address the limitations, the proposed PTC (P‐PTC) removes the weighting factor by using two cost functions, thus reducing flux ripples and torque ripples. Firstly, the P‐PTC evaluates the torque cost function for 19 VVs, and the VV that gives less value of torque error is used to find the sector number. The sector number is used to choose the five VVs from that sector and evaluate flux cost function to get an optimal VV. Therefore, the P‐PTC give less ripples in torque and flux by enhancing steady‐state response. The effectiveness of the P‐PTC is validated through both simulation and experimentation for a 3.7 kW OEW‐IPMSM drive using d‐SPACE RTI1104 controller. The P‐PTC is also tested with a typical urban dynamometer drive cycle (UDDC) with rapid accelerations and decelerations to ensure its application in EVs using the OPAL RT 1250 controller.

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Simple predictive torque control of an open‐end winding interior permanent magnet synchronous motor drive without weighting factor for electric vehicle applications

Kumar

2023

Circuit Theory & Apps

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An enhanced predictive current control technique for interior permanent magnet synchronous motor drives with extended voltage space vectors for electric vehicles

Kumar,

Praveen Kumar

2024

Circuit Theory & Apps

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SummaryPermanent magnet synchronous motors (PMSM) are widely employed in the application of electric vehicles (EVs) due to their simplicity of operation. Model predictive current control (MPCC) is an advanced technique used to control the PMSM owing advantages like multi‐variable cost function and good dynamic performance. Cost function of predictive current control (PCC) does not require the flux weighting factor; hence, it is simple in the selection of suitable voltage vector (VV). The conventional PCC (C‐PCC) applied to interior PMSM (IPMSM) contains more torque and flux ripples as it includes only one set of voltage vectors for all speed ranges. In proposed PCC (P‐PCC), the magnitude and location of voltage vectors is to be selected as large and small VVs to reduce torque ripples. The P‐PCC in this article utilizes two set of extended voltage vectors (large and small VVs) based on the applied speed change in dynamic conditions and hence reduces the ripple content. Incorporating maximum torque per ampere (MTPA) control in this article serves the purpose of optimizing the machine performance. By adding MTPA to the proposed method, it is aimed to enhance the machine performance with less ripples and improved torque response. Simulation results are presented for conventional and P‐PCC to highlight the effectiveness and efficacy of the P‐PCC. The P‐PCC is experimentally verified with 3.7 kW PMSM using d‐SPACE controller.

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Predictive Torque Control of PMSM with speed fuzzy logic controller

Kumar,

Kumar

2023

2023 IEEE 3rd International Conference on Smart Technologies for Power, Energy and Control (STPEC)

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An Effective Predictive Torque Control Technique for Open-end Winding Permanent Magnet Synchronous Motor Drives with Reduced Ripples for EVs

Cited by 4 publications

References 14 publications

Simple predictive torque control of an open‐end winding interior permanent magnet synchronous motor drive without weighting factor for electric vehicle applications

Simple predictive torque control of an open‐end winding interior permanent magnet synchronous motor drive without weighting factor for electric vehicle applications

An enhanced predictive current control technique for interior permanent magnet synchronous motor drives with extended voltage space vectors for electric vehicles

Predictive Torque Control of PMSM with speed fuzzy logic controller

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