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基于System Generator的PM信号CORDIC算法鉴相的仿真与实现 被引量:3
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作者 金锋 佘世刚 +3 位作者 王锴 周毅 马沛 朱博 《现代电子技术》 2013年第5期96-98,102,共4页
通过使用Simulink和System Generator中的模块搭建系统进行联合仿真,验证了对PM信号使用数字混频正交变换和CORDIC鉴相算法进行解调的理论正确性,并对CORDIC算法鉴相模块进行硬件仿真,证明了其硬件可实现。并通过设计表明System Genera... 通过使用Simulink和System Generator中的模块搭建系统进行联合仿真,验证了对PM信号使用数字混频正交变换和CORDIC鉴相算法进行解调的理论正确性,并对CORDIC算法鉴相模块进行硬件仿真,证明了其硬件可实现。并通过设计表明System Generator加速和简化了FPGA数字系统的设计。 展开更多
关键词 System generator SIMULINK CORDIC算法 鉴相
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基于System Generator的雷达基带信号模拟系统仿真设计 被引量:4
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作者 张金全 陈正宁 《自动化技术与应用》 2017年第5期90-94,共5页
针对传统雷达信号模拟设备信号样式固定、单一,通用性不足和适应能力差的问题,提出了一种基于System Generator图形化建模手段,利用逻辑控制单元产生ROM读地址,对雷达信号参数进行查表操作的方法 ,实现雷达基带信号模拟设备各功能模块... 针对传统雷达信号模拟设备信号样式固定、单一,通用性不足和适应能力差的问题,提出了一种基于System Generator图形化建模手段,利用逻辑控制单元产生ROM读地址,对雷达信号参数进行查表操作的方法 ,实现雷达基带信号模拟设备各功能模块的建模仿真,采用功分复用思想对功能模块进行合理规划,完成雷达基带信号模拟系统仿真设计,仿真结果表明该系统具有一定的雷达信号样式自定义能力,可为基于FPGA的雷达信号模拟系统的信号级建模与开发提供有力支撑。 展开更多
关键词 System generator 建模仿真 系统设计 仿真结果
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基于System Generator的DBF的建模与仿真 被引量:2
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作者 高亚军 张冠杰 陈矛 《火控雷达技术》 2006年第4期23-26,36,共5页
简要介绍数字波束形成的基本原理,在此基础上,利用System Gcnerator(SG)进行数字波束形成系统的建模和仿真,并给出仿真结果。
关键词 SYSTEM generator 数字波束形成 仿真
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基于System Generator直流力矩电机模型及控制系统仿真 被引量:3
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作者 李宝荣 李先峰 +1 位作者 颜昌翔 于平 《仪表技术与传感器》 CSCD 北大核心 2013年第3期105-107,110,共4页
对有限转角直流无刷力矩电机及其控制系统进行研究,分析了电机模型和闭环PI控制模式模型的工作原理,着重讨论了电流环闭环PI控制模式对电机控制系统性能的影响。利用SG软件建立模型,通过仿真试验和实际测试,对比实际电流和仿真电流的上... 对有限转角直流无刷力矩电机及其控制系统进行研究,分析了电机模型和闭环PI控制模式模型的工作原理,着重讨论了电流环闭环PI控制模式对电机控制系统性能的影响。利用SG软件建立模型,通过仿真试验和实际测试,对比实际电流和仿真电流的上升时间、超调量和稳定电流等参数,验证了仿真模型的正确性,该仿真控制模型应用于实际系统中具有电流响应快速平稳、超调小、无静差等特点,为电机控制系统的设计提供一种新的思路。 展开更多
关键词 System generator 直流力矩电机 PI控制
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基于三维运动捕捉技术构建蒙医震脑术三维虚拟仿真平台的视觉呈现 被引量:1
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作者 白雪 王星 +6 位作者 洪国萍 贾茹铄 韩琦 郭怀钰 牛泓凯 张少杰 朝鲁门 《中国组织工程研究》 CAS 北大核心 2025年第18期3826-3832,共7页
背景:基于三维运动捕捉技术可以构建精准的、客观量化的医学虚拟仿真模型,有利于临床学习者精准、深入理解和掌握各种传统疗术。目前中医虚拟仿真模型已有报道,但蒙医传统疗术的虚拟仿真模型尚未见报道。目的:构建一种基于三维运动捕捉... 背景:基于三维运动捕捉技术可以构建精准的、客观量化的医学虚拟仿真模型,有利于临床学习者精准、深入理解和掌握各种传统疗术。目前中医虚拟仿真模型已有报道,但蒙医传统疗术的虚拟仿真模型尚未见报道。目的:构建一种基于三维运动捕捉技术的交互式三维可视化的蒙医震脑术虚拟仿真模型。方法:使用Motion Analysis三维光学运动捕捉系统和足底测力台采集蒙医专家的运动捕捉数据,在Motion Builder软件中构建震脑术三维动作模型,使用Maya软件构建角色模型并与动作模型相匹配,运动Unity3D软件构建蒙医震脑术虚拟仿真系统,系统整合蒙医震脑术操作3D动画、运动学和动力学参数信息。结果与结论:通过三维运动捕捉技术和计算机仿真重现蒙医震脑术操作,能够显示施术者和受试者的运动姿态,记录关节运动的关键空间位置参数与变化情况,得出运动过程中的运动学、动力学参数。运用交互式三维虚拟仿真技术,实现蒙医震脑术的三维虚拟仿真的视觉呈现,为蒙医震脑术手法的标准化、数字化、可视化研究奠定基础。 展开更多
关键词 蒙医震脑术 三维运动捕捉技术 足底测力台 Anybody 虚拟仿真 三维可视化 Motion Builder MAYA UNITY3D 人工智能
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混合式虚拟仿真实验教学模式在基础医学实验基本技能课程的应用
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作者 马天驰 任平 +2 位作者 刘鹏 李乡南 周晶 《中国中医药现代远程教育》 2025年第1期43-46,共4页
目的在基础医学实验基本技能课程中引入“线上+线下”“虚拟+现实”混合式教学模式,探究此模式在实验教学中的可行性。方法在同专业两个班级分别采用传统启发式教学法和混合式虚拟仿真实验教学法。传统启发式教学组以教师讲授、示范为主... 目的在基础医学实验基本技能课程中引入“线上+线下”“虚拟+现实”混合式教学模式,探究此模式在实验教学中的可行性。方法在同专业两个班级分别采用传统启发式教学法和混合式虚拟仿真实验教学法。传统启发式教学组以教师讲授、示范为主,再由学生进行实验操作。混合式虚拟仿真实验组分“基础学习-线下教学、进阶学习-线上教学、巩固学习-线下教学、拔高学习-线上教学”四个阶段,线上教学依托具体的虚拟实验项目进行学习和演练。通过课堂测试和问卷调查,比较两个班级学生的学习效果。结果混合式虚拟仿真实验组学生学习效果明显优于传统启发式教学组(P<0.05),且大部分学生认为混合式教学可提高学习能力和思维能力。结论在基础医学实验基本技能课程中实施“线上+线下”结合“虚拟+现实”混合式教学模式,实现了学与练并行,突破了时间与空间的限制,提高了学生学习效率与水平,培养了学生的学习兴趣和创新能力,对推动实验教学改革与创新具有重要意义。 展开更多
关键词 虚拟仿真 实验教学 基础医学 应用研究 教学改革
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专题导语:政策仿真方法在政策评估与监测中的应用
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作者 裴雷 《现代情报》 北大核心 2025年第1期4-4,共1页
政策仿真方法兴起于20世纪70年代,并广泛应用于经济、社会、人口等领域的政策评估与监测。在以往政策评价研究中,基于统计因果的政策成效评估与回归计量方法,比如Leslie方程、Leslie修正模型、ARIMA时间序列预测等聚焦部分变量,导致模... 政策仿真方法兴起于20世纪70年代,并广泛应用于经济、社会、人口等领域的政策评估与监测。在以往政策评价研究中,基于统计因果的政策成效评估与回归计量方法,比如Leslie方程、Leslie修正模型、ARIMA时间序列预测等聚焦部分变量,导致模型遗漏大量外部变量。 展开更多
关键词 政策仿真 成效评估 政策评价 外部变量 计量方法 修正模型
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基于System Generator的卷积加速结构设计与实现
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作者 成鸿群 刘宜成 +2 位作者 涂海燕 徐金鹏 王广泰 《计算机应用与软件》 北大核心 2024年第4期224-227,274,共5页
为解决卷积神经网络中卷积运算耗时长、运算复杂的问题,针对卷积运算的并行性特征,提出一种基于分块的流水线加速方法,并基于该方法在System Generator上进行了电路设计。通过在FPGA(Field-programmable Gate Array)上进行实验验证,该... 为解决卷积神经网络中卷积运算耗时长、运算复杂的问题,针对卷积运算的并行性特征,提出一种基于分块的流水线加速方法,并基于该方法在System Generator上进行了电路设计。通过在FPGA(Field-programmable Gate Array)上进行实验验证,该设计模型能正确输出卷积运算结果;在结构和输入数据相同的情况下,该设计模型在计算速度上相比于普通CPU最高可加速258倍,相比于服务器级CPU提高了近40倍,具有良好的加速效果。 展开更多
关键词 卷积神经网络 卷积运算 SYSTEM generator 现场可编程门阵列
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Demonstration of a small‐scale power generator using supercritical CO_(2) 被引量:1
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作者 Ligeng Li Hua Tian +7 位作者 Xin Lin Xianyu Zeng Yurong Wang Weilin Zhuge Lingfeng Shi Xuan Wang Xingyu Liang Gequn Shu 《Carbon Energy》 SCIE EI CAS CSCD 2024年第4期269-290,共22页
The supercritical CO_(2)(sCO_(2))power cycle could improve efficiencies for a wide range of thermal power plants.The sCO_(2)turbine generator plays an important role in the sCO_(2)power cycle by directly converting th... The supercritical CO_(2)(sCO_(2))power cycle could improve efficiencies for a wide range of thermal power plants.The sCO_(2)turbine generator plays an important role in the sCO_(2)power cycle by directly converting thermal energy into mechanical work and electric power.The operation of the generator encounters challenges,including high temperature,high pressure,high rotational speed,and other engineering problems,such as leakage.Experimental studies of sCO_(2)turbines are insufficient because of the significant difficulties in turbine manufacturing and system construction.Unlike most experimental investigations that primarily focus on 100 kW‐or MW‐scale power generation systems,we consider,for the first time,a small‐scale power generator using sCO_(2).A partial admission axial turbine was designed and manufactured with a rated rotational speed of 40,000 rpm,and a CO_(2)transcritical power cycle test loop was constructed to validate the performance of our manufactured generator.A resistant gas was proposed in the constructed turbine expander to solve the leakage issue.Both dynamic and steady performances were investigated.The results indicated that a peak electric power of 11.55 kW was achieved at 29,369 rpm.The maximum total efficiency of the turbo‐generator was 58.98%,which was affected by both the turbine rotational speed and pressure ratio,according to the proposed performance map. 展开更多
关键词 generator performance map power generation supercritical CO_(2) TURBINE
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基于System Generator的自适应滤波器仿真与实现 被引量:2
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作者 周志平 《中国西部科技》 2011年第20期33-34,38,共3页
自适应滤波器是一种能够自动调整本身参数的滤波器,在设计时不需要预先知道关于输入信号和噪声的统计特性。通过改变系统的单位冲击响应,达到最优滤波效果。本文采用Matlab和System Generator对LMS算法的自适应滤波器进行设计和仿真,结... 自适应滤波器是一种能够自动调整本身参数的滤波器,在设计时不需要预先知道关于输入信号和噪声的统计特性。通过改变系统的单位冲击响应,达到最优滤波效果。本文采用Matlab和System Generator对LMS算法的自适应滤波器进行设计和仿真,结果表明其可以对信号噪声的自适应滤除。 展开更多
关键词 自适应滤波器 LMS SYSTEM generator
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Rare-earth Magnet Free Flux-switching Generator for Wind Turbines in Micro-grids:A Review
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作者 Tugberk Ozmen BatıEren Ergun +1 位作者 Mehmet Onur Gulbahce Nevzat Onat 《CES Transactions on Electrical Machines and Systems》 EI CSCD 2024年第3期295-309,共15页
In traditional electricity generation plants,large powerful synchronous,induction,and direct current generators were used.With the proliferation of microgrids focused on electricity generation from renewable energy so... In traditional electricity generation plants,large powerful synchronous,induction,and direct current generators were used.With the proliferation of microgrids focused on electricity generation from renewable energy sources in today’s power grids,studies have been conducted on different types of generators.Instead of the traditional generator architecture,generators with brushless structures,particularly those utilizing magnets for excitation,have found broad applications.Fluxswitching generators(FSGs)are innovative types owing to their robust structure,active stator design,and high power density capabilities.However,designs have typically relied on rare-earth element magnets.Rare-earth magnets possess negative characteristics such as price uncertainty,the potential risk of scarcity in the future,and limited geographical production,leading to research on FSGs that do not depend on rare-earth magnets.This study comprehensively examines FSGs that do not use rare-earth element magnets.The study delves into the usage areas,operational mechanisms,structural diversities,and counterparts in the literature of these generators. 展开更多
关键词 FLUX-SWITCHING generator MICRO-GRID Wind energy
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基于EDEM的榛子双层滚筒筛装置性能仿真试验
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作者 鞠鑫林 何晓宁 +4 位作者 王东伟 尚书旗 连政国 时延鑫 高秀强 《农机化研究》 北大核心 2025年第1期185-188,204,共5页
为了解决榛子脱苞后筛分效率低的问题,针对榛子脱苞后的物料状态设计了一种双层滚筒筛。运用EDEM仿真软件对其工作状态进行模拟,以滚筒转速、内外筛孔大小、螺旋叶片间距为试验因素,以筛分率和含杂率为评价指标,分析评估各因素对双层滚... 为了解决榛子脱苞后筛分效率低的问题,针对榛子脱苞后的物料状态设计了一种双层滚筒筛。运用EDEM仿真软件对其工作状态进行模拟,以滚筒转速、内外筛孔大小、螺旋叶片间距为试验因素,以筛分率和含杂率为评价指标,分析评估各因素对双层滚筒筛性能的影响,以获得双层滚筒筛的最佳工作参数。结果表明:当滚筒筛的内筛孔尺寸为25 mm、外筛孔尺寸为12 mm、转速为36 r/min、螺旋叶片间距为240 mm时,滚筒筛的筛分效率最佳。 展开更多
关键词 榛子 滚筒筛 EDEM 仿真试验
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Numerical Study on the Effect of Vortex Generators on the Aerodynamic Drag of a High-Speed Train
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作者 Tian Li Hao Liang +1 位作者 Zerui Xiang Jiye Zhang 《Fluid Dynamics & Materials Processing》 EI 2024年第2期463-473,共11页
A relatively high aerodynamic drag is an important factor that hinders the further acceleration of high-speed trains.Using the shear stress transport(SST)k-ωturbulence model,the effect of various vortex generator typ... A relatively high aerodynamic drag is an important factor that hinders the further acceleration of high-speed trains.Using the shear stress transport(SST)k-ωturbulence model,the effect of various vortex generator types on the aerodynamic characteristics of an ICE2(Inter-city Electricity)train has been investigated.The results indi-cate that the vortex generators with wider triangle,trapezoid,and micro-ramp arranged on the surface of the tail car can significantly change the distribution of surface pressure and affect the vorticity intensity in the wake.This alteration effectively reduces the resistance of the tail car.Meanwhile,the micro-ramp vortex generator with its convergent structure at the rear exhibits enhancedflow-guiding capabilities,resulting in a 15.4%reduction in the drag of the tail car. 展开更多
关键词 Vortex generator aerodynamic drag REDUCTION numerical simulation
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Analysis of pseudo-random number generators in QMC-SSE method
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作者 刘东旭 徐维 张学锋 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第3期75-79,共5页
In the quantum Monte Carlo(QMC)method,the pseudo-random number generator(PRNG)plays a crucial role in determining the computation time.However,the hidden structure of the PRNG may lead to serious issues such as the br... In the quantum Monte Carlo(QMC)method,the pseudo-random number generator(PRNG)plays a crucial role in determining the computation time.However,the hidden structure of the PRNG may lead to serious issues such as the breakdown of the Markov process.Here,we systematically analyze the performance of different PRNGs on the widely used QMC method known as the stochastic series expansion(SSE)algorithm.To quantitatively compare them,we introduce a quantity called QMC efficiency that can effectively reflect the efficiency of the algorithms.After testing several representative observables of the Heisenberg model in one and two dimensions,we recommend the linear congruential generator as the best choice of PRNG.Our work not only helps improve the performance of the SSE method but also sheds light on the other Markov-chain-based numerical algorithms. 展开更多
关键词 stochastic series expansion quantum Monte Carlo pseudo-random number generator
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Analytical Model and Topology Optimization of Doubly-fed Induction Generator
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作者 Lu Sun Haoyu Kang +4 位作者 Jin Wang Zequan Li Jianjun Liu Yiming Ma Libing Zhou 《CES Transactions on Electrical Machines and Systems》 EI CSCD 2024年第2期162-169,共8页
As the core component of energy conversion for large wind turbines,the output performance of doubly-fed induction generators (DFIGs) plays a decisive role in the power quality of wind turbines.To realize the fast and ... As the core component of energy conversion for large wind turbines,the output performance of doubly-fed induction generators (DFIGs) plays a decisive role in the power quality of wind turbines.To realize the fast and accurate design optimization of DFIGs,this paper proposes a novel hybriddriven surrogate-assisted optimization method.It firstly establishes an accurate subdomain model of DFIGs to analytically predict performance indexes.Furthermore,taking the inexpensive analytical dataset produced by the subdomain model as the source domain and the expensive finite element analysis dataset as the target domain,a high-precision surrogate model is trained in a transfer learning way and used for the subsequent multi-objective optimization process.Based on this model,taking the total harmonic distortion of electromotive force,cogging torque,and iron loss as objectives,and the slot and inner/outer diameters as parameters for optimizing the topology,achieve a rapid and accurate electromagnetic design for DFIGs.Finally,experiments are carried out on a 3MW DFIG to validate the effectiveness of the proposed method. 展开更多
关键词 Doubly-fed induction generators Accurate subdomain model Surrogate-assisted Transfer learning
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A Novel Defender-Attacker-Defender Model for Resilient Distributed Generator Planning with Network Reconfiguration and Demand Response
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作者 Wenlu Ji Teng Tu Nan Ma 《Energy Engineering》 EI 2024年第5期1223-1243,共21页
To improve the resilience of a distribution system against extreme weather,a fuel-based distributed generator(DG)allocation model is proposed in this study.In this model,the DGs are placed at the planning stage.When a... To improve the resilience of a distribution system against extreme weather,a fuel-based distributed generator(DG)allocation model is proposed in this study.In this model,the DGs are placed at the planning stage.When an extreme event occurs,the controllable generators form temporary microgrids(MGs)to restore the load maximally.Simultaneously,a demand response program(DRP)mitigates the imbalance between the power supply and demand during extreme events.To cope with the fault uncertainty,a robust optimization(RO)method is applied to reduce the long-term investment and short-term operation costs.The optimization is formulated as a tri-level defenderattacker-defender(DAD)framework.At the first level,decision-makers work out the DG allocation scheme;at the second level,the attacker finds the optimal attack strategy with maximum damage;and at the third level,restoration measures,namely distribution network reconfiguration(DNR)and demand response are performed.The problem is solved by the nested column and constraint generation(NC&CG)method and the model is validated using an IEEE 33-node system.Case studies validate the effectiveness and superiority of the proposed model according to the enhanced resilience and reduced cost. 展开更多
关键词 Distribution system RESILIENCE defender-attacker-defender distributed generator demand response microgrids formation
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Solar-and/or Radiative Cooling-Driven Thermoelectric Generators:A Critical Review
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作者 Jinglong Wang Lin Lu Kai Jiao 《Energy Engineering》 EI 2024年第10期2681-2718,共38页
Thermoelectric generators(TEGs)play a critical role in collecting renewable energy fromthe sun and deep space to generate clean electricity.With their environmentally friendly,reliable,and noise-free operation,TEGs of... Thermoelectric generators(TEGs)play a critical role in collecting renewable energy fromthe sun and deep space to generate clean electricity.With their environmentally friendly,reliable,and noise-free operation,TEGs offer diverse applications,including areas with limited power infrastructure,microelectronic devices,and wearable technology.The review thoroughly analyses TEG system configurations,performance,and applications driven by solar and/or radiative cooling,covering non-concentrating,concentrating,radiative cooling-driven,and dual-mode TEGs.Materials for solar absorbers and radiative coolers,simulation techniques,energy storage management,and thermal management strategies are explored.The integration of TEGs with combined heat and power systems is identified as a promising application.Additionally,TEGs hold potential as charging sources for electronic devices.This comprehensive review provides valuable insights into this energy collection approach,facilitating improved efficiency,reduced costs,and expanded applications.It also highlights current limitations and knowledge gaps,emphasizing the importance of further research and development in unlocking the full potential of TEGs for a sustainable and efficient energy future. 展开更多
关键词 Thermoelectric generators solar energy radiative sky cooling applications
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Moisture‑Electric–Moisture‑Sensitive Heterostructure Triggered Proton Hopping for Quality‑Enhancing Moist‑Electric Generator
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作者 Ya’nan Yang Jiaqi Wang +11 位作者 Zhe Wang Changxiang Shao Yuyang Han Ying Wang Xiaoting Liu Xiaotong Sun Liru Wang Yuanyuan Li Qiang Guo Wenpeng Wu Nan Chen Liangti Qu 《Nano-Micro Letters》 SCIE EI CSCD 2024年第3期351-366,共16页
Moisture-enabled electricity(ME)is a method of converting the potential energy of water in the external environment into electrical energy through the interaction of functional materials with water molecules and can b... Moisture-enabled electricity(ME)is a method of converting the potential energy of water in the external environment into electrical energy through the interaction of functional materials with water molecules and can be directly applied to energy harvesting and signal expression.However,ME can be unreliable in numerous applications due to its sluggish response to moisture,thus sacrificing the value of fast energy harvesting and highly accurate information representation.Here,by constructing a moisture-electric-moisture-sensitive(ME-MS)heterostructure,we develop an efficient ME generator with ultra-fast electric response to moisture achieved by triggering Grotthuss protons hopping in the sensitized ZnO,which modulates the heterostructure built-in interfacial potential,enables quick response(0.435 s),an unprecedented ultra-fast response rate of 972.4 mV s^(−1),and a durable electrical signal output for 8 h without any attenuation.Our research provides an efficient way to generate electricity and important insight for a deeper understanding of the mechanisms of moisture-generated carrier migration in ME generator,which has a more comprehensive working scene and can serve as a typical model for human health monitoring and smart medical electronics design. 展开更多
关键词 Moist-electric generators Grotthuss proton hopping Fast response Durable electrical output Personal health monitoring
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Transient Damping of Virtual Synchronous Generator for Enhancing Synchronization Stability during Voltage Dips
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作者 Shitao Sun Yu Lei +4 位作者 Guowen Hao Yi Lu Jindong Liu Zhaoxin Song Jie Zhang 《CES Transactions on Electrical Machines and Systems》 EI CSCD 2024年第2期143-151,共9页
Virtual synchronous generators(VSGs)are widely introduced to the renewable power generation,the variablespeed pumped storage units,and so on,as a promising gridforming solution.It is noted that VSGs can provide virtua... Virtual synchronous generators(VSGs)are widely introduced to the renewable power generation,the variablespeed pumped storage units,and so on,as a promising gridforming solution.It is noted that VSGs can provide virtual inertia for frequency support,but the larger inertia would worsen the synchronization stability,referring to keeping synchronization with the grid during voltage dips.Thus,this paper presents a transient damping method of VSGs for enhancing the synchronization stability during voltage dips.It is revealed that the loss of synchronization(LOS)of VSGs always accompanies with the positive frequency deviation and the damping is the key factor to remove LOS when the equilibrium point exists.In order to enhance synchronization stability during voltage dips,the transient damping is proposed,which is generated by the frequency deviation in active power loop.Additionally,the proposed method can realize seamless switching between normal state and grid fault.Moreover,detailed control design for transient damping gain is given to ensure the synchronization stability under different inertia requirements during voltage dips.Finally,the experimental results are presented to validate the analysis and the effectiveness of the improved transient damping method. 展开更多
关键词 Virtual synchronous generator(VSG) Transient damping Synchronization stability Voltage dips
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Design Optimization of a Self-circulated Hydrogen Cooling System for a PM Wind Generator Based on Taguchi Method
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作者 Gaojia Zhu Yunhao Li Longnv Li 《CES Transactions on Electrical Machines and Systems》 EI CSCD 2024年第2期170-176,共7页
With the continuous improvement of permanent magnet(PM)wind generators'capacity and power density,the design of reasonable and efficient cooling structures has become a focus.This paper proposes a fully enclosed s... With the continuous improvement of permanent magnet(PM)wind generators'capacity and power density,the design of reasonable and efficient cooling structures has become a focus.This paper proposes a fully enclosed self-circulating hydrogen cooling structure for a originally forced-air-cooled direct-drive PM wind generator.The proposed hydrogen cooling system uses the rotor panel supports that hold the rotor core as the radial blades,and the hydrogen flow is driven by the rotating plates to flow through the axial and radial vents to realize the efficient cooling of the generator.According to the structural parameters of the cooling system,the Taguchi method is used to decouple the structural variables.The influence of the size of each cooling structure on the heat dissipation characteristic is analyzed,and the appropriate cooling structure scheme is determined. 展开更多
关键词 Permanent magnet wind generator Hydrogen cooling Taguchi method Fluidic-thermal coupled fields
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