Modeling and Analysis of Average Torque Control Strategy on Switched Reluctance Motor for E-mobility

Pillai, Aishwarya; Anuradha, S.; Gangadharan, K. V.; Umesht, Pruthviraj; Bhaktha, Sandesh

doi:10.1109/conecct52877.2021.9622731

Cited by 8 publications

(6 citation statements)

References 7 publications

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“…𝑤 𝑟 + 𝑤 𝜂 = 1 (26) where Fobj depicts the objective/cost function. wtr and wη are weighting factors for torque ripple and efficiency.…”

Section: Optimization Of Turn-off Anglementioning

confidence: 99%

“…ATC features a robust and simple structure; it lacks torque sharing functions and/or torque inverse models. It provides higher torque/ampere ratio owing to the absence of current profiling for torque control [22][23][24][25][26][27]. Moreover, the ATC is applicable over the entire speed range SRM, while ITC is constrained by the back-emf voltage, limiting its performance at high-speed ranges.…”

Section: Introductionmentioning

confidence: 99%

“…Constraints were placed on switching angles primarily to maintain a high torque/ampere ratio, resulting in additional enhancements to meet the demands of EVs. In [26], an enhanced ATC approach is investigated for EVs by optimizing both switching angles using simple search algorithm. The primary objective is to minimize torque ripples across wide speed ranges.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Novel Interturn Fault Tolerant-Based Average Torque Control of Switched Reluctance Motors for Electric Vehicles

Hamouda,

Al-Amyal,

Elsherbiny

et al. 2024

IEEE Access

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Because of their attractive features, switched reluctance motors (SRMs) are strong candidates with real chances on the market for several industrial applications including vehicle propulsion. However, the SRMs suffer from torque ripple and associated acoustic noise. A proper control algorithm can handle torque ripples to an accepted limit. However, the internal faults in stator windings of SRMs deteriorate not only the performance of control algorithm but also the output power, efficiency, and noise (torque ripple). They cause fast degradation of motor lifetime. Therefore, this paper introduces a novel method to counteract the internal faults in winding of SRMs. A new simulation method for SRMs including the capability of interturn faults is introduced. The proposed novel interturn fault tolerant control (FTC) is achieved based on average torque control (ATC) algorithm. The switching angles are optimized smartly providing a less complicated control algorithm to fit properly with the industrial platforms. The simplicity of overall control algorithm is still functional. The performance of proposed FTC is evaluated compared to healthy motor conditions as well as faulty conditions. The results show the superior performance of the proposed control.INDEX TERMS Switched reluctance motor, interturn fault, fault-tolerant control, average torque control, optimization, modelling.

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“…𝑤 𝑟 + 𝑤 𝜂 = 1 (26) where Fobj depicts the objective/cost function. wtr and wη are weighting factors for torque ripple and efficiency.…”

Section: Optimization Of Turn-off Anglementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Novel Interturn Fault Tolerant-Based Average Torque Control of Switched Reluctance Motors for Electric Vehicles

Hamouda,

Al-Amyal,

Elsherbiny

et al. 2024

IEEE Access

View full text Add to dashboard Cite

show abstract

“…On the other hand, other researchers succeeded in significantly reducing the SRM torque ripple and the associated acoustic noise by implementing innovative control techniques. Generally, the current chopping control (CCC) [12][13][14][15], instantaneous torque control (ITC) [16][17][18][19][20], and average torque control (ATC) [21][22][23][24][25] are the most popular control strategies. Despite the fact that these strategies can reduce torque ripple and improve system performance, they have disadvantages.…”

Section: Introductionmentioning

confidence: 99%

A Novel Universal Torque Control of Switched Reluctance Motors for Electric Vehicles

et al. 2022

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Due to their advantages, switched reluctance motors (SRMs) are interesting solutions for electric vehicle (EV) propulsion. However, they have the main drawback of high torque ripple. This paper develops a universal torque control (UTC) technique for SRM that can fulfill all vehicle requirements under a wide range of speeds. The developed UTC involves two different control techniques. It utilizes the direct instantaneous torque control (DITC) strategy in a low speed region, and the average torque control (ATC) strategy in high speeds. The selection of DITC and ATC is made based on their performance regarding torque ripple, torque/current ratio, and efficiency. Moreover, a novel transition control between the two control techniques is introduced. The results show the ability of the proposed UTC to achieve vehicle requirements while obtaining all the benefits of torque control over the possible range of speeds. The proposed UTC provides the best performance regarding minimum torque ripple, maximum torque/current ratio, and maximum efficiency over the whole speed range. The transition control achieves a smooth operation without any disturbances. The transition control helps to simplify the overall control algorithm, aiming to have a feasible and practical UTC without a complicated control structure.

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“…The commonly utilized control schemes in the literature are the traditional current control (CC) systems [20]- [25] and the advanced torque control (TC) systems. The TC systems mainly include the average (ATC) [26]- [30] and the instantaneous torque control (ITC) systems. Although these control systems succeeded in providing remarkable torque ripple suppression and improving other aspects of SRM performance, there are still some drawbacks to each.…”

Section: Introductionmentioning

confidence: 99%

Research on Novel Hybrid Torque Sharing Function for Switched Reluctance Motors

Al-Amyal

Számel

2022

IEEE Access

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Torque Sharing Function (TSF) approach can be considered a promising method to solve the torque ripple issue in switched reluctance motors (SRMs) drives at low and medium speed ranges. However, at the high-speed operation of the machine, the actual phase current fails to track the reference current profile. This limitation primarily occurs over the demagnetization period of each phase current. Consequently, each phase torque will also fail to track its corresponding reference torque created by the TSF strategy. As a result, of the torque tracking error, a considerable torque ripple will be produced. To address this issue, a novel hybrid TSF is proposed in this research article. The hybrid TSF can adapt during the real-time operation relying on the current (and thus the torque) tracking capability during the magnetization period, which is much higher than during the demagnetization period. At each electrical cycle, the rising part of the incoming phase torque reference is re-profiled to mirror the declining part of the actual torque of the outgoing phases. And therefore, the torque tracking error can be compensated, and a remarkable torque ripple suppression will be attained. Additionally, within the hybrid TSF, an overlap angle controller is also proposed in this work and participated in high-speed operation. The controller keeps monitoring the error between the commanded torque and the actual average torque of the machine, and by adjusting the overlap angle in real-time, the error can be further compensated. Thus, further torque tracking capability is attained. A set of simulation results are presented and favorably compared with other traditional TSF approaches to demonstrate the feasibility and validity of the proposed hybrid TSF.INDEX TERMS Switched reluctance motor, hybrid torque sharing function, indirect instantaneous torque control.

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Modeling and Analysis of Average Torque Control Strategy on Switched Reluctance Motor for E-mobility

Cited by 8 publications

References 7 publications

A Novel Interturn Fault Tolerant-Based Average Torque Control of Switched Reluctance Motors for Electric Vehicles

A Novel Interturn Fault Tolerant-Based Average Torque Control of Switched Reluctance Motors for Electric Vehicles

A Novel Universal Torque Control of Switched Reluctance Motors for Electric Vehicles

Research on Novel Hybrid Torque Sharing Function for Switched Reluctance Motors

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