(单片机控制直流电机)毕业论文-定稿Word下载.doc

1、-the battery indicator: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. -S

2、ecurity measures: unplanned outages 2.5 times. No personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits

3、of 255 million Yuan, beyond the annual budget of 207 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. -Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption r

4、atio in 5.12%, down 0.26%; pollutant emissions performance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. -Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a year earli

5、er. Equivalent forced outage rate 0.08%, 0.16% reduction over the same period a year earlier. Major achievements: first, we should adhere to the two management system basis, strengthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new

6、steps. -The two for improvement. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, safety

7、 supervision and management network role to play to achieve closed-loop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection, saf

8、ety production month, day supervision of production safety and the Olympic Games and other中国地质大学毕业设计（论文）原创性声明本人呈交的毕业论文，是在导师的指导下，独立进行研究工作所取得的成果，所有数据、图片资料真实可靠。尽我所知，除文中已经注明引用的内容外，本毕业论文的研究成果不包含他人享有著作权的内容。对本论文所涉及的研究工作做出贡献的其他个人和集体，均已在文中以明确的方式标明。本毕业论文的知识产权归属于培养单位。本人签名： 日期： 摘 要当今，自动化控制系统已经广泛的应用在了各行各业，并取得了长足

9、的发展，而直流电机控制作为电气传动的主流在现代化生产中起着十分主要作用。长期以来，直流电动机因其转速调节灵活，方法简便，易于大范围平滑调速，控制性能好等优点，一直在传动领域占有领军地位。它广泛应用于工业机器人、数控机床等工厂自动化生产中。并随着现代化生产规模的不断扩大，各个行业对直流电机的需求日益增加的同时对其性能提出了更高的要求。为此，研究并制造性能好、可靠性高的直流电机控制系统有着十分重要和深远的意义。 本文设计开发了一套基于单片机的直流电机多速控制器，作为其配套的试验装置。论文根据系统的要求完成了整体方案设计和系统选型，针对所设计的控制方案对控制系统的软、硬件设计作了详细论述。硬件部分先

10、作了整体设计，然后介绍了以STC89C52单片机为核心的硬件构成，对键盘电路、串行通信电路、测量电路、D/A转换电路和显示电路等作了详细阐述;软件部分采用模块化设计思想，编制了各个模块的流程图。论述了软件的设计思想和方法;实现了对直流电动机转动参数的设置、启动、停止、加速、减速和显示等功能。利用STC89C52芯片进行低成本直流电动机控制系统的设计，能够简化系统构成、降低系统成本、增强系统性能、满足更多应用场合的需要。 针对直流电机运行环境恶劣、干扰严重的特点，从系统的硬件设计、软件设计等多方面进行抗干扰的综合考虑，并利用多种软件和硬件技术来提高和改善系统的抗干扰能力，有效地提高了系统的可靠性

11、和实用性。运行结果表明，系统实现了电机的高精度多速度控制，达到了性能指标要求。 关键词：直流电机 单片机 多速控制ABSTRACT Nowadays，automatic control systems have been widely used and developed in every aspect of life. As the artery in the area of electric drive systems, DC drivers become more and more important modern production. For a long time, DC moto

12、r has possessed the main role in the area of electric drive because of its neatly adjustment, simple method and smooth timing in a wide range, besides, its control performance is excellent. DC motor is widely used on the automatic equipments ,such as CNC and industrial robot. As the scale of product

13、ion becomes larger and larger the demand and requirements become higher and higher, so the research on improving the DC controlling system behavior has important sense.This paper system of DC motor multiple speeds based on STCMCU is designed, as its necessary test equipment. It finished the total project design of system and model selection. The hardware and software design of the sy