MTPA Control of IPMSM Drives Based on Virtual Signal Injection Considering Machine Parameter Variations

Sun, Tianfu; Koç, Mikail; Wang, Jiabin

doi:10.1109/tie.2017.2784409

Cited by 64 publications

(22 citation statements)

References 31 publications

(72 reference statements)

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“…This control scheme essentially controls the d-and q-axis currents and equivalent to the FOC. In this way, the sensitivity of the MTPA control to the reference flux amplitude and flux observer errors in f-t frame can be avoided and the optimal d-and q-axis currents can be easily and accurately obtained through experiments or other online MTPA control schemes [28]. Moreover, as mentioned in Section II Part C, small errors of the nominal machine parameters in (3) and (17) will not affect the controlling of the d-and q-axis currents.…”

Section: A Foc For Mtpa Operationmentioning

confidence: 97%

“…In steady state, the observed flux amplitude and t-axis current should equal the reference flux amplitude * and the reference t-axis current * , respectively, as expressed in (27) and (28).…”

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

“…In other words, the d-and q-axis currents can be controlled to follow * and * through * and * . It should be noticed that if the machine parameters in (25) to (28) are their nominal values, the resultant * , ̂ and * , ̇̂ will also be their nominal values. However, the unique relationship between a pair of flux amplitude and t-axis current and the pair of d-and q-axis currents in Fig.…”

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

“…However, the unique relationship between a pair of flux amplitude and t-axis current and the pair of d-and q-axis currents in Fig. 1 still exists, and errors in observed or reference flux amplitude and t-axis current will not affect the accuracy of the d-and q-axis current control under the condition that the machine parameters in (25) to (28) are the same. This will be proved by simulations in Section IV ( Fig.…”

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

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Integration of FOC With DFVC for Interior Permanent Magnet Synchronous Machine Drives

et al. 2020

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In this paper, the drawbacks of the conventional f-t frame based maximum torque per ampere (MTPA) control schemes are analyzed and mathematically proved. In order to inherit the merits of both the direct flux vector control (DFVC) in field weakening region and field orientated control (FOC) in constant torque region while avoiding their disadvantages, an integrated control scheme is proposed. The proposed control scheme integrates the FOC into f-t reference frame at low speeds to achieve a relatively accurate and robust MTPA control, while at high speeds, the DFVC is adopted to utilize the advantages of f-t frame based control scheme in field weakening region. A shape function is utilized by the proposed control scheme to achieve a smooth transition between the two control schemes. The proposed control scheme is verified by experiments under various operation conditions on a prototype IPMSM drive. The simulation and experimental results illustrate that the proposed control scheme could achieve a better MTPA control accuracy in constant torque region and a better field weakening performance in the constant power region. Meanwhile the complex look-up tables for FOC in field weakening region and the difficulties in observing flux vector at low speed are avoided. INDEX TERMS Maximum torque per ampere (MTPA) control, Direct flux vector control (DFVC), Field orientated control (FOC), Interior permanent magnet synchronous machine (IPMSM), Torque control.

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Section: A Foc For Mtpa Operationmentioning

confidence: 97%

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

Section: The Unique Mapping Between ( ) and ( )mentioning

confidence: 99%

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Integration of FOC With DFVC for Interior Permanent Magnet Synchronous Machine Drives

et al. 2020

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“…In [21], the error of the virtual signal injection method is analysed and presents the compensation strategy. In [22], parameter variations with stator currents have been analysed and these variations have been taken into account.…”

Section: Introductionmentioning

confidence: 99%

Novel MTPA control strategy for IPMSM based on multiple virtual signals injection

Bao

Shen

Luo

et al. 2020

IET Electric Power Applications

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Virtual signal injection-based maximum torque per ampere (MTPA) control method is widely employed for increasing the efficiency of the interior permanent magnet synchronous machine (IPMSM) due to its simple implementation. However, the conventional method utilises the filters to extract MTPA indicator, which limits the dynamic tracking performance of MTPA operating point. In order to improve the dynamic tracking performance, a novel strategy to use multiple virtual signals injection is proposed in this study. With the proposed method, four small virtual high-frequency signals are constructed to extract the MTPA indicator information. The MTPA indicator can be calculated directly by solving multiple acquired equations instead of any filters. Due to the absence of filters which are essential in the conventional method, this proposed method shows good dynamic response. The feasibility of the proposed method is verified under various operating conditions with a 1.2 kW IPMSM drive system.

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Torque Ripple Minimization of PMSM Drives with Multiple Reference Frame and DNN Based High-Fidelity Torque Model

Jia

Sun

et al. 2020

Communications in Computer and Information Science

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MTPA Control of IPMSM Drives Based on Virtual Signal Injection Considering Machine Parameter Variations

Abstract: interests range from motion control and electromechanical energy conversion to electric drives for applications in automotive, renewable energy, household appliances and aerospace sectors. He is a fellow of the IET and a senior member of IEEE.

Cited by 64 publications

References 31 publications

Integration of FOC With DFVC for Interior Permanent Magnet Synchronous Machine Drives

Integration of FOC With DFVC for Interior Permanent Magnet Synchronous Machine Drives

Novel MTPA control strategy for IPMSM based on multiple virtual signals injection

Torque Ripple Minimization of PMSM Drives with Multiple Reference Frame and DNN Based High-Fidelity Torque Model

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