ID |
原文 |
译文 |
14875 |
为解决三电平逆变器中点电位的漂移问题,采用虚拟空间矢量的控制方法,结合简化三电平矢量控制系统实现对PMSM 的控制,分析了电机的数学模型、电流环和转速环的 PI 调节器参数整定等 PMSM 矢量控制,利用 id=0 的控制方式构建 Simulink 仿真模型。 |
In order to solve the problem of neutral point potential drift of three-level inverter, thecontrol method of virtual space vector is adopted, combined with simplified three-level vector controlsystem, PMSM vector control such as motor mathematical model, PI regulator parameter tuning of currentloop and speed loop is analyzed, and Simulink simulation model is constructed with id = 0 controlmode. |
14876 |
研究表明,该方法不仅可以大幅减少超调量,还可以提高动态响应速度,证明了永磁同步电机三电平 SVPWM 控制系统的正确性。 |
The results show that the method can not only reduce the overshoot, but also improve the dynamicresponse speed, which proves the correctness of the three-level SVPWM control system of PMSM. |
14877 |
本文研究基于 5G 无线网络和无人机装置的树障修剪控制系统,分析无人机在输电线路巡检中的应用成效,为无人机装置在线路智能化巡检中的普及应用提供参考和依据。 |
This paper studies the tree barrier pruning control system based on 5G wireless networkand UAV device, analyzes the application effect of UAV in transmission line inspection, and providesreference and reference for the popularization and application of UAV device in intelligent lineinspection. in accordance with. |
14878 |
在交通方面,公交防疫目前尚未完善,无法实现每位乘客的精准追踪,本研究针对此问题,以双向 GPS 定位技术为基础,依托小程序的设计开发,配以相应设备设计出具有乘坐区间记录功能的公交出行防疫系统,以期为疫情防控在公交防疫中的应用提供参考。 |
Absrtact: As for traffic, public transport epidemic prevention is not perfect and can not achieveaccurate tracking of each passenger. In order to provide reference for the application of epidemicprevention and control in public transport epidemic prevention, this study is based on two-way GPSpositioning technology and based on Mini Programs design and development. |
14879 |
本篇文章将会重点分析 5G 承载网的实际情况,并进一步分析其中的关键技术,低成本的领域接入技术、低时延全光组网技术、高精度同步技术以及端与端智能控制技术等,进而达到我国 5G 技术质量服务的提升,确保我国全方位准确的覆盖 5G 网络,并且能够开拓我国新的产业领域。 |
Absrtact: This paper will focus on the analysis of the actual situation of the 5 G carrying network,and further analyze the key technologies, low-cost domain access technology, low-delay all-opticalnetworking technology, high-precision synchronization technology and end-to-end intelligent controltechnology, so as to achieve the improvement of the 5 G technology quality service in China, ensure thefull and accurate coverage of the 5 network in China, and can open up new industrial fields in China. |
14880 |
本文在对人工智能识别技术的定义、研究现状以及其优点优势介绍的基础上,对人工智能识别中的语音识别、图像识别、机器人技术、人工智能神经网络技术以及远程规划与自主控制技术的特点与原理进行的全面的分析,这对于推动人工智能识别技术的发展具有重要的工程意义与应用价值。 |
This paper comprehensively analyzes the characteristics and principles of speechrecognition, image recognition, robot technology, artificial intelligence neural network technologyand remote planning and autonomous control technology in artificial intelligence recognition, whichwill promote the development of artificial intelligence recognition technology The exhibition hasimportant engineering significance and application value. |
14881 |
针对大型仓储物流产业消防设施现状,搭建“全方位”安全消防智能预警提升大型仓储安全系统监控综合中心,依托全景视频监控、热成像技术、云端电子巡更、电子烟感、无人机遥感等行业先进技术,打造高空全景视频覆盖,智能安消报警联动控制、短信报警发送、库区语音广播及智能电子地图等多手段综合监控系统。 |
In view of the present situation of fire protection facilities in large storage and logisticsindustry, a “all-round” intelligent fire protection early warning and upgrading large storage safetysystem monitoring and control integrated center is set up. Based on panoramic video surveillance,thermal imaging technology, cloud electronic patrol, electronic smoke sense, UAV remote sensing andother advanced technologies, high-altitude panoramic video coverage, intelligent anti-alarm linkagecontrol, short message alarm sending, reservoir area voice broadcast and intelligent electronic mapintegrated monitoring system. |
14882 |
本文主要是针对无源互调产生的根因,及对射频多系统叠加的影响,分析无源互调在射频分布系统的存在的本质特性和对基站灵敏度的影响,并提出了通信系统无源互调的预防和抑制措施。 |
Absrtact: This paper analyzes the essential characteristics of the existence of passive intermodulation inradio frequency distribution system and its influence on the sensitivity of base station, and puts forwardthe prevention and suppression measures of passive intermodulation in communication system. |
14883 |
为解决传统信息传输机制在对车联网信息传输时存在信息泄漏量较多,无法抵御非法攻击者攻击问题,结合 5G技术开展对车联网中,道路交通事故信息的安全传输机制研究。 |
Absrtact: In order to solve the problem that the traditional information transmission mechanismhas a large amount of information leakage and can not resist the attack of illegal attackers inthe information transmission of the Internet of vehicles, this paper studies the safe transmissionmechanism of road traffic accident information in the Internet of vehicles combined with 5Gtechnology. |
14884 |
通过基于 5G 的车联网体系初始化设置、车辆注册流程优化、道路交通事故信息加解密与接收过程设计,提出一种全新的信息传输机制。 |
Through the initial setting of 5G based Internet of vehicles system, vehicle registrationprocess optimization, road traffic accident information encryption and decryption and receivingprocess design, a new information transmission mechanism is proposed. |