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按功能目标的不同可将电子政务的系统功能分为以下三类:内容管理(Content Management)、协同处理(Collaboration)与内务服务(Busi...
按功能目标的不同可将电子政务的系统功能分为以下三类:内容管理(Content Management)、协同处理(Collaboration)与内务服务(Business service)。-according to the function of the different objectives of the e-government system functions are divided into the following three categories : content management (Content Management), synergistic processing (Collaboration) and the House (Business service).
- 2022-08-22 00:02:40下载
- 积分:1
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P2P持久存储研究,可以作为p2p设计参考
P2P持久存储研究,可以作为p2p设计参考-P2P lasting memory research, can be used as design reference p2p
- 2022-01-26 02:24:56下载
- 积分:1
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寻找一份自己以前的已经发生颜色或形状畸变的照片,按照上面实验的原理,做出有效的校正,要求写出实验报告。...
寻找一份自己以前的已经发生颜色或形状畸变的照片,按照上面实验的原理,做出有效的校正,要求写出实验报告。-To find that his past has occurred in a color or shape distortion of the photo, in accordance with the above principle of the experiment to make an effective correction required to write lab report.
- 2022-02-10 16:56:08下载
- 积分:1
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提出了基于嵌入式技术CCD 采集系统的新方法,并以ARM微处理器和FPGA 芯片为核心设计了嵌入式CCD 采集系统,解决了传统采集方法中系统过于庞大和复杂的问题...
提出了基于嵌入式技术CCD 采集系统的新方法,并以ARM微处理器和FPGA 芯片为核心设计了嵌入式CCD 采集系统,解决了传统采集方法中系统过于庞大和复杂的问题,具有结构简单、小型化和智能化的特点。试验结果表明,该系统实现了CCD 输出图像的高速采集和实时显示,数据采集速率达到5 MHz。-Embedded technology based on CCD acquisition system A new method, and ARM microprocessors and FPGA chip is designed as the core embedded CCD acquisition system to address the traditional acquisition methods in the system too large and complex problems, is simple in structure, small and intelligent features. Experimental results show that the system realizes high-speed CCD output image acquisition and real-time display, data acquisition rate up to 5 MHz.
- 2023-02-26 21:05:04下载
- 积分:1
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功能见文档:综合地运用所学的 《数字逻辑》的基本知识,使用电脑EWB仿真技术,独立完整地设计一定功能的电子电路。...
功能见文档:综合地运用所学的 《数字逻辑》的基本知识,使用电脑EWB仿真技术,独立完整地设计一定功能的电子电路。-function see Document : Comprehensive land use study of the "digital logic" of basic knowledge, EWB use of computer simulation technology, independence and integrity to the design of certain functional electronic circuit.
- 2022-01-31 18:23:05下载
- 积分:1
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Generic production of information technology, make a wooden hand, can be used fo...
通用技术的制作资料,做一个呆板手,可以用上一个学期,所有权归作者,如有侵权,请在24小时内删除.-Generic production of information technology, make a wooden hand, can be used for one semester, title to the author, if there is infringement, please delete in 24 hours.
- 2022-05-16 09:33:42下载
- 积分:1
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摘要】 本文介绍了以AT89S51单片机为核心的温度控制器的设计,在该设计中采用高精度的温度传感器AD590对电热锅炉的温度进行实时精确测量,用超低温漂移高精度...
摘要】 本文介绍了以AT89S51单片机为核心的温度控制器的设计,在该设计中采用高精度的温度传感器AD590对电热锅炉的温度进行实时精确测量,用超低温漂移高精度运算放大器OP07将温度-电压信号进行放大,再送入12位的AD574A进行AD转换,从而实现自动检测,实时显示及越限报警。控制部分采用PID算法,实时更新PWM控制输出参数,控制可控硅的通断时间,最终实现对炉温的高精度控制。
【关键词】 水温控制系统
PID控制单片机
温度控制是工业生产过程中经常遇到的过程控制,有些工艺过程对其温度的控制效果直接影响着产品的质量,因而设计一种较为理想的温度控制系统是非常有价值的。
一
系统设计方案的论证与比较
根据题目要求,电热锅炉温度控制系统由核心处理模块、温度采集模块、键盘显示模块、及控制执行模块等组成。-Abstract This paper introduces the single-chip AT89S51 temperature controller at the core of the design, in the design of high-precision temperature sensor AD590 temperature of the heating boiler accurate measurement of real-time, using ultra-low temperature drift, high-precision operational amplifier OP07 temperature Part of the use of PID control algorithms, real-time PWM control output parameter update and control the on-off Thyristor time, finally achieve the high-precision control of temperature.
【Key Words】 temperature control system
PID control of single-chip
Temperature control is the process of ind
- 2023-07-15 09:45:04下载
- 积分:1
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中国移动的彩色环网,包括大量的中国。
中国移动的彩铃方案,包括全国多个地区,介绍全面。-china mobile s color ring network,include lots of china province.
- 2022-05-30 19:56:32下载
- 积分:1
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采用RS232鲍勃板显示,SPI
bob board display using rs232,spi
- 2022-07-21 23:36:46下载
- 积分:1
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this rar file for the developers of projects
this rar file for the developers of projects-this is rar file for the developers of projects
- 2022-02-13 03:19:43下载
- 积分:1