在航电系统维护过程中，为解决定位故障的效率和降低维修成本等问题，提出了基于ICD（Interface Control Document，接口控制文件）的1553B总线的信息监控系统模型。该系统运用数据采集卡对总线中传输的信号有无失真、偏差等电气特性进行检测，并使用1553B通讯卡通过测控软件LabWindows/CVI编程与ICD数据库的动态链接，实现总线信息的解析和故障的判断。与传统的维护过程相比，这种模型能够从信号的电气特性以及信息的解析等全方位的去检测判断故障的来源，并且能够广泛在其他1553B总线系统内扩展应用。验证表明该监控系统可以对总线信息进行快速有效地监测分析，能满足应用需求。 Abstract: In the process of avionics system maintenance， to solve the problems such as improving the efficiency of fast orientation to troubles and reducing maintenance cost， system of 1553B bus information monitor model based on ICD was proposed. The system observed whether the data which transmitted on the bus appear distortion and deviation by using data acquisition card. And using 1553B communication card programming of the measure software LabWindows/CVI and the dynamic linking of ICD database， message analysis and fault estimation could be realized. Compared with traditional maintenance， this model can all-dimensionally detect and analyze the source of faults from both electrical characteristics of the signal and message analysis， and it can be widely applied in the other 1553B system. Experiment shown that this monitor system can effectively detect and analyze the bus message and can meet the application requirements.
上传时间： 2013-11-23
上传用户：18752787361
设计一种基于ATmega16L单片机的温度控制系统，阐述该系统的软硬件设计方案。采用模块化设计方法，利用增量式PID算法使被控对象的温度值趋于给定值。实验结果表明该系统具有良好的检测和控制功能。 Abstract: This paper designs a temperature control system based on ATmega16L，describes the hardware and software de－sign scheme of the system，adopts the modularized design method and utilizes the incremental PID algorithm to realize the temperature of controlled device incline to the given value.The experiment result indicates that the system has good detec－tion and control function
上传时间： 2013-10-09
上传用户：stvnash
针对盘山路存在的转弯盲区，即在转弯时司机无法得知弯路对面是否有车辆通过，设计一种基于C8051F310的山路转弯预防警示系统。该系统利用一阶滤波算法检测山路转弯时是否有车辆通过。运用该算法可增强系统检测的实时性，提高检测机动车辆的灵敏度，同时大大减少环境温度对检测的干扰。试验表明该系统能够正确指示出在山路转弯时是否有车辆通过，目前该系统已安装在盘山路上，可大大减少事故的发生率。 Abstract: Aiming at passing hilly road，there is a turn blind spot.Motormen usually do not know if the passing of vehicles pass the road.So a system of defending accident on hilly road is designed,which is based on MCU C8051F310.The sys-tem uses the first-order filter algorithm to detect whether there are passing vehicles.This algorithm enhances the real-time detection and improves the sensitivity of detection vehicles.Meanwhile,it reduces the detection interference of environmen-tal temperature.The experimental results show that this system can exactly indicate if there are passing vehicles.At present,the system has been successfully applied to hilly road.The system can greatly decrease accident.
上传时间： 2013-10-10
上传用户：归海惜雪
提出一种基于C8051F040的炮塔方位角测试系统的设计方案，给出测试系统的各个模块软硬件设计。炮塔方位角测试系统集数据采集，数据传输和数据显示等功能于一体，实现了炮塔方位角装置的离线检测。系统软件采用C51编写，对单片机进行有效电源管理，保证了系统的稳定性，可靠性。 Abstract: This paper puts forwards a design of artillery position system based on C8051F040，describes all modules hardware and software design of measurement system.The system has the function of information collection，transmission，and display.It can measure artillery position system in offline.The system software using C51can manage the power of single chip microcomputer，guarantee the stability，reliability.
上传时间： 2014-12-27
上传用户：7891
针对船舶气象仪保障维修而设计的船舶气象仪测试系统，包括信息处理终端、主仪器检测模块、传感器检测模块，各个模块都采用基于AVR单片机的嵌入式系统，模块之间通过CAN总线进行通信。结果表明，船舶气象仪测试系统能够快速检测船舶气象仪故障，与单纯依靠人工方式排查故障相比，故障检测时间缩短了60%以上。 Abstract: The test system of ship meteorological instrument was developed to satisfy the maintenance of ship meteorological instruments，which composed of information processing terminal， testing module of main instrument and testing module of sensors. Each of these modules included an embedded system based on microcontroller of AVR series and communicated with other module by CAN bus. The results show that the test system can judge the fault of ship meteorological instrument quickly and shorten the fault detection time as much as 60% compared with simple manual troubleshooting.
上传时间： 2013-11-23
上传用户：stvnash
以AVR单片机为核心控制芯片，设计了一套节水灌溉控制系统。该系统能够对土壤含水率进行自动检测，并通过模糊控制规则对电磁阀执行有效的控制，从而实现对农作物进行适时、适量的灌溉。
上传时间： 2013-11-13
上传用户：ysystc699
在现代测控系统中，由于PC机具有强大的数据处理能力和良好的用户交互界面，单片机具有较强的现场抗干扰能力及良好的性价比，因此以PC机为上位机实施用户控制和以单片机为下位机进行实时数据采集的分布式智能化控制系统无疑具有很好的应用前景。本文中单片机实现了温度检测，具有较好的实时性；PC机完成了数据显示、存储及统计分析，绘制了实时温度曲线，并对系统目前所处状况做出了评判。两者之间以串行口进行通信联络
上传时间： 2013-11-06
上传用户：joheace
介绍了应用51单片机开发设计光栅尺位移测量系统的电路思路及软件设计方法。应用光栅位移传感器和辨向电路的设计原理，开发设计了一套在线测量位移装置，该装置测量精度可达到+-0.1MM，实现了在机床加工过程中实时检测工件尺寸
上传时间： 2013-11-23
上传用户：wushengwu
摘要：文章阐述了8031单片机较小系统的制作原理,系统分析了单片机较小系统是否正常工作的检测方法，说明制作该单片机较小系统的实际意义．关键词：8031单片机：2764程序存储器；LED显示器:12M晶体振荡器
上传时间： 2013-11-11
上传用户：herog3
摘要:介绍一种基于单片机的温室温度自动控制系统。热敏电阻采集温室内的温度,单片机控制温度在液晶屏上实时显示,利用上位机进行实时监控,通过串行通信将采集到的数据送至上位机,应用系统自带的超级终端软件实现温室温度在上位机中的实时显示。关键词:P89V51RD2单片机;温度检测;液晶显示器
上传时间： 2014-12-27
上传用户：拔丝土豆
