1、We will continue to improve the companys internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of ev
2、aluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication “zero resista
3、nce“. To constantly perfect ERP, and BFS+, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; t
4、o perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS+, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure “zero.“ To streng
5、thening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health m
6、edical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business
7、 of “zero risk“. To strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to
8、 implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standa
9、rdize trading, and strive to achieve “according to law, standardize and fair.“ Innovation of performance management, to ensure that potential employees “zero fly“. To strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve perf
10、ormance management. To further quantify and refine employee standards . Work, full play party, and branch, and members in “five type Enterprise“ construction in the of core role, and fighting fortress role and pioneer model role; to continues to strengthening “four good“ leadership construction, ful
11、l play levels cadres in enterprise development in theof backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key l
12、ink of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. To cons
13、cientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power gener
14、ation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together acr
15、oss 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy电信学
16、院毕业设计（论文）开题报告 姓 名 祁世泽 专 业 电气工程及其自 动化 班 级 4学 号 指导教师 王晓兰 题目类型 工程设计题 目 连轧机直流拖动系统主电路的设计及系统仿真研究一、选题背景及依据（简述题目的技术背景和设计依据，说明选题目的、意义，列出主要参考文献）在冶金工业中，压制过程是金属压力加压的一个主要工艺过程，连轧是一种可以提高劳动生产率和轧制质量的先进方法，连轧机则是冶金行业的大型设备。其主要特点是被扎金属同时处于若干机架之中，并沿着同一方向进行轧制，最终形成一定的断面形状。每个机架的上下轧公用一台电机拖动，不同机架采用不同电机拖动，本课题要求完成单台机架的直流调速系统的设计。二
17、本课题目的及意义在冶金工业中，轧制过程是金属压力加工的一个主要工艺过程，而连轧机是一种可以提高劳动生产率和轧制之类的先进方法。其主要特点是被扎金属同时处于若干机架之中，并验证同一放向进行轧制最终形成一定的断面行状。而连轧机的电气传动则应在保证物质流量恒定的前提下承受咬合刚和轧制是的冲击性负载，实现机架的各部分控制和协调控制。每个机架的上下轧辊共用一台电动机实现集中拖动，不同机架采用不同电动机实现部分传动，各机架轧辊之间的速度则按物质流量恒定原理用速度链实现协调控制。出组主要由给定环节、ASR、ACR、触发器和整流装置环节、速度检测环节以及电流检测环节成。为了使转速负反馈和电流负反馈分别起作用，
18、系统设置了电流调节器 ACR 和转速调节器 ASR。电流调节器 ACR 和电流检测反馈回路构We will continue to improve the companys internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a
19、 control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information managem
20、ent to ensure full communication “zero resistance“. To constantly perfect ERP, and BFS+, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play informa
21、tion system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS+, and ERP, and SCM, technology application of training, improve employees application information system of capacity and leve
22、l. Humanistic care to ensure “zero.“ To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and l
23、abour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To streng
24、then risk management, ensure that the business of “zero risk“. To strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy
25、trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, impro
26、ve risk prevention capacity. To further standardize trading, and strive to achieve “according to law, standardize and fair.“ Innovation of performance management, to ensure that potential employees “zero fly“. To strengthen performance management, process control, enhance employee evaluation and lev
27、els of effective communication to improve performance management. To further quantify and refine employee standards . Work, full play party, and branch, and members in “five type Enterprise“ construction in the of core role, and fighting fortress role and pioneer model role; to continues to strength
28、ening “four good“ leadership construction, full play levels cadres in enterprise development in theof backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work lev
29、el, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of th
30、e traffic safety management mechanism. To conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, w
31、e clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight
32、 more spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff
33、 in the new year, good health, happy, happy成了电流环；转速调节器 ASR 和转速检测反馈回路构成转速环，称为双闭环调速系统。因转速换包围电流环，故称电流环为内环，转速环为外环。在电路中，ASR 和 ACR 串联，即把 ASR 的输出当做 ACR 的输入，再由 ACR 得输去控制晶闸管整流器的触发器。为了获得良好的静、动态性能，转速和电流两个调节器一般都采用具有输入输出限幅功能的 PI 调节器，且转速和电流都采用负反馈闭环。设计思路主要由给定环节、ASR、ACR、触发器和整流装置环节、速度检测环节以及电流检测环节组成。为了使转速负反馈和电流负反馈分别起
34、作用，系统设置了电流调节器 ACR 和转速调节器 ASR。电流调节器 ACR 和电流检测反馈回路构成了电流环；转速调节器 ASR 和转速检测反馈回路构成转速环，称为双闭环调速系统。因转速换包围电流环，故称电流环为内环，转速环为外环。在电路中，ASR 和 ACR 串联，即把 ASR 的输出当做 ACR 的输入，再由 ACR 得输出去控制晶闸管整流器的触发器。为了获得良好的静、动态性能，转速和电流两个调节器一般都采用具有输入输出限幅功能的 PI 调节器，且转速和电流都采用负反馈闭环。该系统的原理框图如图下图：整流电压电流检测ASR ACR 整流触发装置 电动机 负载速度检测We will cont
35、inue to improve the companys internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation com
36、plying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication “zero resistance“. To con
37、stantly perfect ERP, and BFS+, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect da
38、ily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS+, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure “zero.“ To strengthening Huma
39、nities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, cont
40、rol career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of “zero ri
41、sk“. To strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementat
42、ion State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize tradin
43、g, and strive to achieve “according to law, standardize and fair.“ Innovation of performance management, to ensure that potential employees “zero fly“. To strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance mana
44、gement. To further quantify and refine employee standards . Work, full play party, and branch, and members in “five type Enterprise“ construction in the of core role, and fighting fortress role and pioneer model role; to continues to strengthening “four good“ leadership construction, full play level
45、s cadres in enterprise development in theof backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effec
46、tiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. To conscientiously
47、sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation compan
48、y to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together across 2013 ful
49、l of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy+-+ IdR0/ 2 R0/ 2R0/ 2R0/ 2RiRb a lCiCo iCo iUc tUi*ASR（速度调节器）根据速度指令 Un*和速度反馈 Un 的偏差进行调节，其输出是电流指令的给定信号 Ui*（对于直流电动机来说，控制电枢电流就是控制电磁转矩，相应的可以调速）。ACR(电流调节器)根据 Ui*和电流反馈 Ui的偏差进行调节，其输出是 UPE（功率变换器件的）的控制信号 Uc。进而调节 UPE的输出，即电机的电枢电压，由于转速不能突变，电枢电压改变后，电枢电流跟着发生变化，相应的电磁
