電動勢序 的英文怎麼說
中文拼音 [diàndòngshìxù]
電動勢序
英文
electromotive series-
The analysis of the main reasons that the department of the transportation, the locomotive, the circuit, the electricity and the carriage cause the accidents of delaying the train, put forward to the prevention measures. 6. with the safety turbulence situation of chengdu railroad branch, analyzing the safety managements in team management, the staff and workers labor discipline, the on - the - spot control, the staff and workers duty, the equipment quality and the construction safety, the deeply analyzing existing troubles of safety management institution, working out the counter measures of chengdu railroad branch to improve the safety managements and realize the controlling situation
分析鐵路運輸、西南交通大學工程碩士研究生學位論文第頁機務、工務、電務、車輛等部門造成延誤列車事故的主要原因，提出預防措施； 6 、針對成都分局安全生產形勢動蕩不穩，分析成都分局安全生產中班組管理、職工「兩違」 、現場作業卡控、職工崗位責任制、行車設備質量以及施工安全方面的現狀，深刻剖析安全管理機制方面存在的問題，就實現成都分局安全生產有序可控進行對策研究。Jinbiao wire mesh fence co., ltd. is engaged in production and development of wire mesh fencing, barbed wire and related products based in anping, the famous wire mesh land of china
本廠依託首鋼優勢.地理位置優越，材質準確可靠.鋼材價格便宜，焊接自動化程序高，省工，省電，產量大，浸塑優勢大Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition
全文共分六章：第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等；第二章、針對五位置傳感器bldcm的起動問題，文中詳細給出了檢測脈沖轉子定位起動技術；第三章、從電機的數學模型入手，詳細論述了反電動勢端電壓法和系統的控制策略；第四章、介紹了硬體實現中的兩個重要器件： dsp （ tms320f240 ）和功率管逆變器控制晶元（ ir2131s ） ；第五章、詳細給出了控制系統的硬體實現細節；第六章、利用ti提供的ccs集成開發環境，將前面章節的控制方案用軟體加以實現，給出了主要部分的程序流程圖和一些編程要點以及實驗結果。This paper sums the situations and trends of domestic and international engineering machinery firstly, discusses the demands and implements of intelligent and long - range monitoring and controlling, and constructs a three - layer model of the engineering machinery long - range monitorin and control system : the front unit control systems, the machine - mounted monitoring system and the long - range control center ; proposes a kind of structure of embedded system based on c / os - ; dissects the characteristics, structure, operation and schedule principle of c / os -, modified the kernel, and improves dependability of the schedule algorithm ; designs the hardware in detail : the microprocessor at91rm9200, the store unit, the serial interface, the human - computer interaction interface, the can bus control module, the debug interface and the reset circuit etc. ; on this basis, succeeds in transplanting c / os - to the system, sets up the operating system framework, designs the driver, sets up the institutional framework of upper user ' s application, provides the method and concrete application process of the graphical user interface module based on c / os -. the system designed in this paper, not only has the functions of local control, friendly human - computer interface, but also has various interfaces which make the system can be managed by the long - rang center
本文首先綜述了國內外工程機械行業發展的現狀和趨勢，闡明了實施工程機械智能化及遠程監控的意義和需求，並為此構建了工程機械遠程監控系統三層結構模型:前端單元控制系統、車載監控系統和遠程監控中心;提出了一種基於c / os -的嵌入式車載監控系統構建方案;深刻剖析了c / os -的特點、內核結構、運作機理、調度演算法，在此基礎上對其內核進行移植前的必要修改，並對其調度演算法進行了可靠性改進;對構成嵌入式系統硬體的各個主要部分:嵌入式微處理器at91rm9200 、存儲單元、串列介面、人機交互介面、 can總線控制模塊、調試介面以及復位電路等做了詳細的設計;在此基礎上，成功地將c / os -實時內核移植到本文研發的嵌入式硬體系統中，建立了車載監控系統的操作系統體系結構，編寫了該操作系統的底層硬體驅動程序，建立了上層用戶應用程序的組織結構，並給出了圖形用戶界面模塊化應用程序在c / os -操作系統上的建立方法和具體應用過程。With one of the world s highest mobile phone penetration rates and roll - out of 3g mobile network services, hong kong stands to benefit from the rapid development of wireless technology and services, particularly through deployment in business process to enhance productivity and efficiency
香港是全球行動電話最普及的地方之一，加上第三代流動通訊服務經已推出，我們勢將從無線技術及服務的迅速發展中受惠，尤其是我們可在業務程序中應用無線技術及服務，以提高生產力和運作效率。With one of the world s highest mobile phone penetration rates and the impending rollout of 3g mobile network services, hong kong stands to benefit from the rapid development of wireless technology and services, particularly through deployment in business process to enhance productivity and efficiency. we are leveraging a population which is ready to take on mobile services to develop m - government
香港是全球行動電話最普及的地方之一，加上即將推出第三代流動通訊服務，我們勢將從無線技術及服務的迅速發展中受惠，尤其是我們可在業務程序中應用無線技術及服務，以提高生產力和運作效率。分享友人