CES Transactions on Electrical Machines and Systems最新文献_第10页

Permanent Magnet Assisted Synchronous Reluctance Motor with Asymmetric Rotor for High Torque Performance 具有高转矩性能的非对称转子永磁辅助同步磁阻电动机

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-30 DOI: 10.30941/CESTEMS.2023.00016

Chengwu Diao;Wenliang Zhao;Yan Liu;Xiuhe Wang

{"title":"Permanent Magnet Assisted Synchronous Reluctance Motor with Asymmetric Rotor for High Torque Performance","authors":"Chengwu Diao;Wenliang Zhao;Yan Liu;Xiuhe Wang","doi":"10.30941/CESTEMS.2023.00016","DOIUrl":"https://doi.org/10.30941/CESTEMS.2023.00016","url":null,"abstract":"Permanent magnet assisted synchronous reluctance motor (PMA-SynRM) is a kind of high torque density energy conversion device widely used in modern industry. In this paper, based on the basic topology of PMA-SynRM, a novel PMA-SynRM of asymmetric rotor with position-biased magnet is proposed. The asymmetric rotor design with position-biased magnet realizes the concentration of magnetic field lines in the motor air gap to obtain higher electromagnetic torque, and makes both of magnetic and reluctance torque obtain the peak value at the same current phase angle. The asymmetric rotor configuration is theoretically illustrated by space vector diagram, and the feasibility of high torque performance of the motor is verified. Through the finite element simulation, the effect of the side barrier on output torque and the Mises stress under the rotor asymmetrical design are analyzed. Then the motor characteristics including airgap flux density, back EMF, magnetic torque, reluctance torque, torque ripple, losses, and efficiency are calculated for both the basic and proposed PMA-SynRMs. The results show that the proposed PMA-SynRM has higher torque and efficiency than the basic topology. Moreover, the torque ripple of the proposed PMA-SynRM is reduced by the method with harmonic current injection, and the torque characteristics in the whole current cycle are analyzed. Finally, the endurance to avoid PM demagnetization is confirmed based on the PM remanence calculation.","PeriodicalId":100229,"journal":{"name":"CES Transactions on Electrical Machines and Systems","volume":"7 2","pages":"179-186"},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/7873789/10172142/10032061.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68147989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Encoderless Five-phase PMa-SynRM Drive System Based on Robust Torque-speed Estimator with Super-twisting Sliding Mode Control 基于超扭滑模控制鲁棒转矩-速度估计器的无编码器五相PMa-SynRM驱动系统

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-30 DOI: 10.30941/CESTEMS.2023.00020

Ghada A. Abdel Aziz;Rehan Ali Khan

{"title":"Encoderless Five-phase PMa-SynRM Drive System Based on Robust Torque-speed Estimator with Super-twisting Sliding Mode Control","authors":"Ghada A. Abdel Aziz;Rehan Ali Khan","doi":"10.30941/CESTEMS.2023.00020","DOIUrl":"https://doi.org/10.30941/CESTEMS.2023.00020","url":null,"abstract":"In this paper, a robust torque speed estimator (RTSE) for linear parameter changing (LPC) system is proposed and designed for an encoderless five-phase permanent magnet assisted synchronous reluctance motor (5-phase PMa-SynRM). This estimator is utilized for estimating the rotor speed and the load torque as well as can solve the speed sensor fault problem, as the feedback speed information is obtained directly from the virtual sensor. In addition, this technique is able to enhance the 5-phase PMa-SynRM performance by estimating the load torque for the real time compensation. The stability analysis of the proposed estimator is performed via Schur complement along with Lyapunov analysis. Furthermore, for improving the 5-phase PMa-SynRM performance, five super-twisting sliding mode controllers (ST-SMCs) are employed with providing a robust response without the impacts of high chattering problem. A super-twisting sliding mode speed controller (ST-SMSC) is employed for controlling the PMa-SynRM rotor speed, and four super-twisting sliding mode current controllers (ST-SMCCs) are employed for controlling the 5-phase PMa-SynRM currents. The stability analysis and the experimental results indicate the effectiveness along with feasibility of the proposed RTSE and the ST-SMSC with ST-SMCCs approach for a 750-W 5-phase PMa-SynRM under load disturbance, parameters variations, single open-phase fault, and adjacent two-phase open circuit fault conditions.","PeriodicalId":100229,"journal":{"name":"CES Transactions on Electrical Machines and Systems","volume":"7 1","pages":"54-62"},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/7873789/10091481/10032063.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68173247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reduction of Unipolar Leakage Flux and Torque Ripple in Consequent-pole PM Vernier Machine 降低顺极永磁电机单极漏磁通和转矩脉动

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-30 DOI: 10.30941/CESTEMS.2023.00015

Liang Xu;Yang Li;Wenxiang Zhao;Guohai Liu

{"title":"Reduction of Unipolar Leakage Flux and Torque Ripple in Consequent-pole PM Vernier Machine","authors":"Liang Xu;Yang Li;Wenxiang Zhao;Guohai Liu","doi":"10.30941/CESTEMS.2023.00015","DOIUrl":"https://doi.org/10.30941/CESTEMS.2023.00015","url":null,"abstract":"This paper proposes a new consequent-pole permanent magnet vernier machine (CPMVM), which can be regarded as a combination of two conventional CPMVM with opposite polarities. Based on the simplified axial magnetic circuit model, it is verified that the proposed CPMVM can reduce the unipolar leakage flux. In order to reduce the torque ripple of machine and improve the output torque of machine, the flux barrier is placed on the rotor of the proposed machine. Then, the parameters of the proposed CPMVM are optimized and determined. Moreover, the electromagnetic performance, including no-load air-gap flux density, average torque and torque ripple, flux linkage, back-electromotive force, cogging torque, average torque, torque ripple, power factor and loss, is compared with conventional surface-mounted permanent magnet vernier machine (SPMVM) and CPMVM. Finally, it is demonstrated that proposed CPMVM with flux barrier can effectively reduce the unipolar leakage flux and greatly reduce the torque ripple of machine. Also, compared with the SPMVM, the proposed CPMVM with flux barrier saves more than 45% of the permanent magnet material without reducing output torque.","PeriodicalId":100229,"journal":{"name":"CES Transactions on Electrical Machines and Systems","volume":"7 1","pages":"35-44"},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/7873789/10091481/10032060.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68173250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Investigation of Nonlinear PI Multi-loop Control Strategy for Aircraft HVDC Generator System with Wound Rotor Synchronous Machine 绕线转子同步电机航空高压直流发电系统的非线性PI多回路控制策略研究

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00002

Zhaoyang Qu;Zhuoran Zhang;Jincai Li;Heng Shi

引用次数: 0

Introduction to Mesh Based Generated Lumped Parameter Models for Electromagnetic Problems using Triangular Elements 介绍使用三角单元的电磁问题的基于网格的生成集总参数模型

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00012

Haidar Diab;Salim Asfirane;Nicolas Bracikowski;Frédéric Gillon;Yacine Amara

引用次数: 0

Coupler Loss Analysis of Magnetically Coupled Resonant Wireless Power Transfer System 磁耦合谐振无线电力传输系统的耦合器损耗分析

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00010

Da Li;XuSheng Wu;Wei Gao;Di Luo;Jianxin Gao

引用次数: 2

MPC-based Torque Distribution for Planar Motion of Four-wheel Independently Driven Electric Vehicles: Considering Motor Models and Iron Losses 基于MPC的四轮独立驱动电动汽车平面运动转矩分布：考虑电机模型和铁损耗

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00004

Yiyan Su;Deliang Liang;Peng Kou

{"title":"MPC-based Torque Distribution for Planar Motion of Four-wheel Independently Driven Electric Vehicles: Considering Motor Models and Iron Losses","authors":"Yiyan Su;Deliang Liang;Peng Kou","doi":"10.30941/CESTEMS.2023.00004","DOIUrl":"https://doi.org/10.30941/CESTEMS.2023.00004","url":null,"abstract":"The most critical obstacle for four-wheel independently driven electric vehicles (4WID-EVs) is the driving range. Being the actuators of 4WID-EVs, motors account for its major power consumption. In this sense, by properly distributing torques to minimize the power consumption, the driving range of 4WID-EV can be effectively improved. This paper proposes a model predictive control (MPC)-based torque distribution scheme, which minimizes the power consumption of 4WID-EVs while guaranteeing its tracking performance of planar motions. By incorporating the motor model considering iron losses, the optimal torque distribution can be achieved without an additional torque controller. Also, for this reason, the proposed control scheme is computationally efficient, since the power consumption term to be optimized, which is expressed as the product of the motor voltages and currents, is much simpler than that derived from the efficiency map. With reasonable simplification and linearization, the MPC problem is converted to a quadratic programming problem, which can be solved efficiently. The simulation results in MATLAB and CarSim co-simulation environments demonstrate that the proposed scheme effectively reduces power consumption with guaranteed tracking performance.","PeriodicalId":100229,"journal":{"name":"CES Transactions on Electrical Machines and Systems","volume":"7 1","pages":"45-53"},"PeriodicalIF":0.0,"publicationDate":"2023-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/7873789/10091481/10018849.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68173249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Loss Analysis of Magnetic Gear with Slotted in Magnetic Modulation Ring 磁调制环开槽磁齿轮的损耗分析

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00001

Can Tan;Wei Liu;Yingying Rao;Weizhao Tang;Libing Jing

引用次数: 0

Systematic Evaluation of Deep Neural Network Based Dynamic Modeling Method for AC Power Electronic System 基于深度神经网络的交流电力电子系统动态建模方法的系统评价

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00011

Yunlu Li;Guiqing Ma;Junyou Yang;Yan Xu

{"title":"Systematic Evaluation of Deep Neural Network Based Dynamic Modeling Method for AC Power Electronic System","authors":"Yunlu Li;Guiqing Ma;Junyou Yang;Yan Xu","doi":"10.30941/CESTEMS.2023.00011","DOIUrl":"https://doi.org/10.30941/CESTEMS.2023.00011","url":null,"abstract":"Since the high penetration of renewable energy complicates the dynamic characteristics of the AC power electronic system (ACPES), it is essential to establish an accurate dynamic model to obtain its dynamic behavior for ensure the safe and stable operation of the system. However, due to the no or limited internal control details, the state-space modeling method cannot be realized. It leads to the ACPES system becoming a black-box dynamic system. The dynamic modeling method based on deep neural network can simulate the dynamic behavior using port data without obtaining internal control details. However, deep neural network modeling methods are rarely systematically evaluated. In practice, the construction of neural network faces the selection of massive data and various network structure parameters. However, different sample distributions make the trained network performance quite different. Different network structure hyperparameters also mean different convergence time. Due to the lack of systematic evaluation and targeted suggestions, neural network modeling with high precision and high training speed cannot be realized quickly and conveniently in practical engineering applications. To fill this gap, this paper systematically evaluates the deep neural network from sample distribution and structural hyperparameter selection. The influence on modeling accuracy is analyzed in detail, then some modeling suggestions are presented. Simulation results under multiple operating points verify the effectiveness of the proposed method.","PeriodicalId":100229,"journal":{"name":"CES Transactions on Electrical Machines and Systems","volume":"7 2","pages":"137-143"},"PeriodicalIF":0.0,"publicationDate":"2023-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/7873789/10172142/10018856.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68147992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An Analytic Method of Segmented PWM Duty Cycle for Switched Reluctance Motor 开关磁阻电机分段PWM占空比的分析方法

CES Transactions on Electrical Machines and Systems Pub Date : 2023-01-17 DOI: 10.30941/CESTEMS.2023.00008

Chaozhi Huang;Yuliang Wu;Hongwei Yuan;Wensheng Cao;Yongmin Geng

引用次数: 0