Three kinds of solutions of the bluetooth keyboard mouse system were put forward in the paper . among them the solution selected in the subject was especially introduced, which includes overall conceptual design, development environment introduce, system circuit design, keyboard and mouse controller software design, pc end software design and system debug etc . the subject is a successful attempt to apply bluetooth wireless communication technology to computer peripheral 本文提出了蓝牙键盘鼠标系统的三种解决方案,其中重点介绍了本课题蓝牙键盘鼠标系统方案及其具体研制过程,包括:总体方案设计、开发环境介绍、系统电路设计、键盘鼠标微控制器软件设计、pc机端软件设计和系统制作及调试等。
In the past, the design of web often insert the code to html page for realizing the due function of itself, the inconvenience that this kind of method has caused, for example : the procedure logic of web becomes complicated, the modification of business logic or data possibly can check up each page and the system debugging changes difficulty and so on 以前,web的开发为了实现本身应有的功能往往把代码插入到html页面,这种做法导致了许多的不便,如:web的流程逻辑变得复杂,修改某个业务逻辑或数据可能要浏览多个页面和调试系统变得困难等等。
Through system debugging, testing datas analysis, it indicate that the on-line monitoring system of electric equipment for the 220kv substation of dazhuling in chongqing designed in this text is effective for the measurement of the medium loss of electric capacitive equipment and the resistive weight of moa leak current in power substation . the result, its stability and precision are relatively high . it is able to satisfy power substation demands 经过系统调试、实测数据分析表明,本文设计的大竹林220kv变电站电气设备绝缘在线监测系统对电容性设备介质损耗和moa阻性泄漏电流的监测是有效的,其稳定性和精度较高,能够满足电力变电站生产的实际需要。
At secondly, for depressing the noise in ir images, we make a deep research in median filter and it's algorithm architecture, then we present a improved method based on the control bit look ahead structure and implement it in fpga . at last, we resolved the data communication problem in the multiprocessor ir image processing system and and complete the system debug 然后,针对校正后图像中噪声干扰的问题,深入研究了中值滤波的特性和算法结构,提出了具有超前控制位的max-min中值滤波器的改进结构,在现场可编程门阵列fpga上设计实现了该中值滤波器,并进行了验证。
From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system; illuminated the whole course of the design and the application of simatic s7-300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart; the confirmation of the control scheme in every cell; how to workout a table of the all controlling and measuring dots in the control system; how to set up a plc control project; the configuration of the hardware and the network in project; illuminated the course of how to program the plc control program in detail; how to establish a connection between the plc and the programmer; how to download the configuration and the program of the plc project; the configuration of control center software simatic wincc; the whole course and the methods of the control system debugging; illuminated the essential in the course of the design in project and program; illuminated the problem and its respondence maybe encountered in the project; illuminated the superiority of the new control system in inspecting, operating and its stability; discuss the development of the computer control system in the application of the huaxin type cement kiln 从介绍了dcs的结构、特点和分析华新型水泥窑的工艺控制特点及当今在水泥窑计算机控制系统上采用的几种常见形式的比较出发,分析了在华新型水泥窑应用dcs的可行性;详细介绍了系统硬件结构、网络组成及特点、所采用的软件体系的特点及其在工业控制应用中的性能;深入详细地说明了西门子s7-300可编程序控制器在华新型水泥窑控制上应用及设计的全过程:控制流程图的绘制;单元控制方案的确定;系统控制测点表的编制;plc控制项目的建立;项目硬件及网络的组态;plc控制程序的编制过程并详细说明了控制程序的编制思路;plc与编程器连接的建立;plc项目组态及控制程序的下载;wincc监控软件的组态;控制系统的调试过程及方法;对设计和使用的要点及系统调试时应注意的问题进行了说明;对项目的实施后的华新型水泥窑控制系统在操作和控制上及其在系统易维护性、系统稳定性上的优势进行了说明并讨论了华新型水泥窑计算机控制系统的发展方向。
For the measurement of analog signals such as voltage and current of astg, a filter card for pre-disposing is designed, in order to improve real-time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence-sampling is brought forward . for the measurement of impulse-width signals such as rotor-speed and rotor-position-angle, an intelligent interface card based on isa bus is designed . all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized 为了提高实时性,对交流采样算法进行了简化,并提出了由于非同步顺序采样所造成的相位误差的补偿算法;针对转速、转子位置角等脉冲宽度信号的测量,深入分析了测量原理,设计了基于isa总线的智能接口卡;编制和调试了基于c++的全部测量控制程序;完成了整个系统的调试,并总结了调试方法。