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IEEE International Conference on Industrial Technology (IEEE ICIT)

作者： Suzuki, Toshiki Kojima, Tetsuya Yamasaki, Hisanori Hazeyama, Moriyuki Kayano, Shinsuke Mitsubishi Elect Adv Technol R&D Ctr 8-1-1 Tsukaguchi Honmachi Amagasaki Hyogo 6618661 Japan Mitsubishi Elect Himeji Works 8-1-1 Tsukaguchi Honmachi Amagasaki Hyogo 6618661 Japan

ISBN: (纸本)9781538663769

This paper presents a new rotor position sensorless control method based on information of magnetic saturation for synchronous machines such as PMSMs and SynRMs. In general, magnetic saturation causes performance deterioration and an unstableness of sensorless control in the worst case, because magnetic saturation leads to the disappearance of magnetic saliency and a reversal between the estimated d- and q- axes. Furthermore, heavy magnetic saturation largely rotates saliency position in the direction of the current vector and thus destabilizes the sensorless control. The proposed method achieves stable sensorless control in extensive heavy load states by using information of magnetic saturation. In consequence, the proposed method doubles the torque range for sensorless control of the test SynRM, and achieves stable position sensorless control in all torque ranges.

关键词： SynRM position sensorless control low-speed region magnetic saturation

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Non-filter position sensorless control based on a α-β frame complex PI controller 45

Non-filter position sensorless control based on a α-β fram...

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45th Annual Conference of the IEEE Industrial Electronics Society (IECON)

作者： Tian, Bing Molinas, Marta Moen, Stig An, Quntao Norwegian Univ Sci & Technol Dept Engn Cybernet Trondheim Norway Aker Solut Dept Engn Design Oslo Norway Harbin Inst Technol Sch Elect Engn Harbin Peoples R China

ISBN: (纸本)9781728148786

This paper proposed a non-filter position sensorless control (PSC) for the permanent-magnet synchronous motor (PMSM), which is based on an alpha-beta frame complex PI controller. The chattering of estimated Back-EMFs is unavoidable with a sliding mode PSC. A low pass filter (LPF) is always employed to smooth Back-EMFs;however phase lag of LPF becomes significant as motor speed increases. A complex PI controller is proposed to estimate back-EMFs without LPFs. The proposed method is implemented by replacing SMC and cascaded LPFs with a single complex PI controller, therefore complexities of proposed PSC have not been increased. Experiments were carried out on a PMSM drive to confirm the advantages of the proposed method over sliding mode PSC.

关键词： position sensorless control complex PI control sliding mode control Non-filter

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Comparison of Two Types of Extended Electromotive Force Models in Middle / High Speed Ranges position sensorless control 21

Comparison of Two Types of Extended Electromotive Force Mode...

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21st European Conference on Power Electronics and Applications (EPE ECCE Europe)

作者： Ohta, Kazuki Nimura, Takumi Doki, Shinji Nagoya Univ Chikusa Ku Furo Cho Nagoya Aichi Japan

In this paper, two types of Extended Electromotive Force (EEMF) models are compared and the difference between the position sensorless control performance of these models are also discussed by mathematical equation an... 详细信息

ISBN: (纸本)9789075815313

关键词： Permanent magnet motor position sensorless control Extended Electromotive Force

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Improvement of position sensorless control Performance for High Speed PMSM with All-pass Filters

Improvement of Position Sensorless Control Performance for H...

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IEEE International Conference on Industrial Technology (IEEE ICIT)

作者： Ishikawa, Yuma Hasegawa, Masaru Chubu Univ Dept Elect Engn 1200 Matsumoto Cho Kasugai Aichi 4878501 Japan

ISBN: (纸本)9781538663769

This paper proposes a stable position sensorless control method from extremely low speed region to high speed region in high speed permanent magnet synchronous motor. One of the authors have already developed highly accurate position sensorless control in the low speed range by using an All-pass filter (APF) and a Band-pass filter (BPF). There exists a drawback, however, such that the discretization error in the high speed region deteriorates the position estimation performance since the flux estimator is constructed in the stationary frame. To solve this issue, this flux estimator using APF is constructed in the estimated rotating coordinate in this paper, realizing stable and highly accurate position sensorless drives in whole speed region except of standstill. Also, this paper experimentally shows the effectiveness of the proposed method.

关键词： permanent magnet synchronous motor position sensorless control all-pass filter discretization error

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position sensorless control based on Pattern Matching Method using Multiple Template Data Sets to Improve position control Error 20

Position Sensorless Control based on Pattern Matching Method...

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20th European Conference on Power Electronics and Applications (EPE ECCE Europe)

作者： Song, Hamin Doki, Shinji Nagoya Univ Chikusa Ku Furo Cho Nagoya Aichi Japan

ISBN: (纸本)9789075815283

This paper presents a position sensorless control scheme based on pattern matching method for high power density Interior Permanent Magnet Synchronous Motors (IPMSMs) that have non-sinusoidal inductance spatial distribution. The pattern matching method achieves the closed loop position sensorless control under heavy load condition. However, atypical position control control errors are generated. To improve the position control errors, a new pattern matching method is proposed in this paper. The proposed method estimates the rotor position by using multiple template data sets which created while changing a current phase. Through experimental results, the effectiveness of the proposed method is presented.

关键词： Interior permanent magnet synchronous motor position sensorless control Pattern matching High power density motor position estimation performance

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position sensorless control of Switched Reluctance Motor Drives Without Pre-stored Magnetic Characteristics 10

Position Sensorless Control of Switched Reluctance Motor Dri...

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10th IEEE Annual Energy Conversion Congress and Exposition (ECCE)

作者： Kim, Jongwan Choe, Jung-Muk Moon, Seungryul Lai, Jih-Sheng Virginia Polytech Inst & State Univ Future Energy Elect Ctr Blacksburg VA 24061 USA

ISBN: (纸本)9781479973125

A position sensorless control method for switched reluctance motors from standstill to running without pre-stored magnetic characteristics is proposed. For startup, diagnosing pulses are injected into all three phases, and the current magnitudes of all phases are examined to estimate the rotor position. Additionally, a phase current vector method is applied to eliminate the risk of locked-rotor and startup hesitations. In running condition, diagnosing pulses are injected to two non-torque productive phases to estimate the position and commutation instant. An angle tracking observer estimates the continuous angle from the acquired discrete position information. The proposed method does not require any prior knowledge of the switched reluctance motor except the pole configuration. Therefore, memory storage for magnetization curves of a switched reluctance motor is not needed. The experimental results show a hesitation-free startup, a good speed reference tracking, and an accurate position estimation performance under different load conditions.

关键词： phase current vector multi-phase injection angle tracking observer position sensorless control switched reluctance motor (SRM) Introduction

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position sensorless control for Wound-Field Synchronous Motor with Double Three-phase Wound Stator Using Extended Electromotive Force Model 19

Position Sensorless Control for Wound-Field Synchronous Moto...

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19th IEEE International Conference on Industrial Technologies (ICIT)

作者： Imai, Koji Doki, Shinji Fujii, Kiyoshi Jung, Sukhawa Nagoya Univ Grad Sch Engn Dept Elect Engn & Comp Sci Nagoya Aichi 4648603 Japan DENSO Corp Corp R&D Div 2 Koriya 4488661 Japan

ISBN: (纸本)9781509059492

In this paper, a position sensorless control method for the Wound-Field Synchronous Motor with Double Three-phase wound stator(D-WFSM) in middle or high speed driving is proposed. Extended electromotive force observer used commonly for PMSMs is selected for the target motor's position sensorless control method. However, the method is mainly used for motors with single-set stator and that for motors with two-set stator has not been applied. This is the first time to apply the position sensorless method based on extended electromotive force into WFSMs and two-set motors. Therefore, in this paper, a new extended electromotive force model for two-set motors is proposed. Then, the effectiveness of the proposed method is verified through experiments.

关键词： Double three-phase wound high speed position sensorless control wound-field synchronous motor extended electromotive force

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position sensorless control for IPMSM of Spatial Inductance Distribution with Nonsinusoidal Inductance Waveform Based on Pattern Matching Method

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ELECTRICAL ENGINEERING IN JAPAN 2017年第3期201卷 35-42页

作者： Makaino, Yuki Doki, Shinji Nagoya Univ Grad Sch Engn Dept Elect Engn & Comp Sci Nagoya Aichi Japan

This paper presents a novel pattern matching based position sensorless control method for IPMSMs. A target IPMSM for the proposed method is designed such that it has high power and torque density, while also being significantly influenced by magnetic saturation. As previously reported in papers , for IPMSMs, heavy magnetic saturation affects the spatial distribution of phase inductances according to rotor positions. Most position sensorless controls at low speeds typically depend on the assumption that phase inductances have sinusoidal spatial distribution according to rotor positions. Therefore, it is difficult to apply conventional methods to IPMSMs with heavy magnetic saturation. In the proposed method, rotor position is estimated by pattern matching using feature values, so that the phase inductances have unique and reproducible value according to rotor positions. While template data sets are required for the proposed method, the assumption for sinusoidal phase inductances is not. In this paper, the effect of magnetic saturation for position estimation based on conventional methods is discussed in Section 1 and 2. Then, details of the proposed method are shown in Section 3. In Section 4, results of experiments carried out in steady state and transient state are presented. The effectiveness of the proposed method is verified through the experiments.

关键词： interior permanent magnet synchronous motor position sensorless control inductance magnetic saturation high power density pattern matching

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position sensorless control of Switched Reluctance Motor with Consideration of Magnetic Saturation Based on Phase-Inductance Intersection Points Information

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ENERGIES 2018年第12期11卷 3517-3517页

作者： Cai, Hui Wang, Hui Li, Mengqiu Shen, Shiqi Feng, Yaojing Hunan Univ Coll Elect & Informat Engn Changsha 410082 Hunan Peoples R China

The precise estimation of position is an essential concern for the control of a switched reluctance motor (SRM). Given the prominent role of position, the promising sensorless control approach for an SRM drive should be capable of providing accurate position. An inductance-based approach has been widely applied in the position estimation. However, the estimated accuracy suffers from the magnetic saturation effect, resulting in the poor performance of sensorless operation. This paper presents a reversible synchronization of commutation with the corresponding rotor position for SRM. With the consideration of magnetic saturation, the proposed approach is taken as a suitable candidate and plays an essential role in accommodating the requirement of optimal control. The relationship between a typical inductance position and magnetic circuit saturation is investigated. The instant of the intersections is sensed by comparing the instantaneous inductance of adjacent phases. Thus, the predicted position is obtained with the information of the special point and the calculated average speed. Compared with other existing methods, the proposed approach has the certain advantages, such as the ability to update the estimated speed and position six times per electrical period, which guarantees the estimated accuracy. The proposed approach is also valid even when the motor is operated at an acceleration state and heavy load operation. In addition, the requirement of the educated inductance structure is not unnecessary, less memory space is needed in the chip, and the accumulated error is eliminated. The simulation and experimental findings demonstrate the feasibility and practicality of the proposed position estimation approach with carrying out the inertial operation, load mutation, and high-speed test.

关键词： switched reluctance motor position sensorless control typical intersection position magnetic saturation

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position sensorless control of Switched Reluctance Motor Drives Based on Numerical Method

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IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 2017年第3期53卷 2159-2168页

作者： Peng, Fei Ye, Jin Emadi, Ali Huang, Yunkai Southeast Univ Nanjing 210018 Jiangsu Peoples R China San Francisco State Univ San Francisco CA 94132 USA McMaster Univ Hamilton ON L8S 4L8 Canada

In this paper, a new position sensorless control method for switched reluctance motor drives is proposed. Rotor position is initially calculated based on the flux linkage-position-hase current characteristics by numerical method. Then, a third-rder-phase-locked loop considering the acceleration variation is designed to undermine the impact of current sampling noise and numerical residual error on the estimated rotor position. A new start-up sequence is proposed. Simulation and experimental results show that the proposed position sensorless control method has achieved sufficient accuracy in terms of position and speed estimation.

关键词： Numerical method position sensorless control phase locked loop switched reluctance motor (SRM) start-up sequence

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