C8051F120

摘要： 在电力设备的运行过程中对运行环境中的温湿度进行监测与控制,有助于提高设备运行的安全系数.对此,论文利用C8051F120单片机设计了一种电力设备运行环境智能控制系统.该系统以C8051F120单片机做为中央控制器,配以AM2315型高精度温湿度传感器等外围功能模块电路组成系统的硬件部分,用于采集传送、转换运行环境中的温湿度信息.利用自适应PID算法做为软件核心部分,用于对电力设备运行环境中的实时温湿度状态与目标温湿度状态的偏差度进行计算,并将计算结果送于中央控制器,以供中央控制器根据计算结果对外围模块电路进行调度,以实现对电力设备运行环境中的温湿度进行智能监测与控制.实验结果表明,论文通过C8051F120单片机所设计的电力设备运行环境智能控制系统,能够有效、快速地对运行环境中的温湿度进行监测与控制.

摘要： 以图形方式集成化程序开发环境LabVIEW为基础,设计研发平面度检测系统.系统采用电涡流位移传感器布点测量采集平板信息,并由SOC系统级MCU芯片C8051F120智能处理,通过RS232串口通讯与上位机通讯.上位机采用LabVIEW设计程控交互界面,包括检测系统配置界面、平板数据采集界面、已测数据查询面等多界面程序开发,方便用户操作使用.平面度检测系统已用于工业平板平面度检测.%The flatness detection system was designed and developed based on a graphical integrated development environ-ment of LabVIEW. The system used eddy current displacement sensors to distribute measurement dots and collect information which is intelligently processed by the SOC system-level MCU chip C8051F120 and transmitted via RS232 serial to the host com-puter.The system used the LabVIEW to design the interfaces,including the detection system configuration interface,flatness data acquisition interface,measured data query interface and other interfaces,which is user-friendly.The flatness detection system has been applied to industrial panel flatness detection.

摘要： In the paper ,a scheme of LFMCW radar signal processing system based on C8051F120 + TMS320F28335 is proposed . C8051F120 is used as the signal acquisition core ,it generates the modulation voltage signal ,then drives the radar sensor to generate the beat signal ,and carries on the beat signal conditioning and gathering .TMS320F28335 is used as the signal processing core ,and the fre-quency estimation algorithm based on phase-frequency matching is embedded to process the beat signal to get the measurement .The on-line experiment results show that the functional modules work properly and the phase-frequency matching algorithm gains high precision .%提出了一种基于C8051F120+TMS320F28335的LFMCW雷达信号处理系统设计方案.该方案以C8051F120为信号采集核心,生成调制电压信号,驱动雷达传感器产生差频信号,并对差频信号进行信号调理与采集.以TMS320F28335为信号处理核心,嵌入基于相频匹配的频率估计算法对差频信号进行处理,得到测量距离.在线实验结果表明,系统各功能模块工作正常,相频匹配算法测量精度较高.

摘要： Aiming at the defects such as low performance of anti-interference and low reliability, caused by the current leakage protection device of coal winning machine,this paper proposes an design of leakage protection device of coal winning machine based on C8051F120.this device uses open loop hall current sensor WHB20SY15D4 to detect the leakage current,and AZ431 controllable precision voltage source to provide protection device reference voltage value, the anti-interference of the leakage protection device is improved, C8051F120 mcu is used as the core of the electric leakage fastener to denoise the acquisition of the voltage and current signal, the accurate value is gotten, the reliability of leakage blocking device is improved.the experimental results shows that the leakage protection device is accurate and reliable, and can effectively overcome the interference of the noise.%针对当前采煤机漏电保护装置抗干扰性差,漏电闭锁装置可靠性低的问题,论文设计了基于C8051F120的采煤机漏电保护装置.该装置中用WHB20SY15D4型开环霍尔电流传感器来检测漏电电流,用AZ431可控精密稳压源来给保护装置提供基准电压值,提高了漏电保护装置的抗干扰性;采用以C8051F120微处理器为核心的漏电闭锁检测装置,对采集的电压及电流信号进行去噪,得出准确的判断值,提高了漏电闭锁装置的可靠性.实验证明:该漏电保护装置检测动作准确可靠,并有效克服了噪声的干扰.

摘要： Beat signal acquisition system is one of the core components of linear frequency modulated continuous wave(LFMCW) radar.A LFMCW radar beat signal acquisition system based on C8051F120 is designed and implemented for a new LFMCW radar sensor,which includes modulation signal generation module,beat signal acquisition module and serial communication module.It can complete the functions such as the generation of nonlinear correction of the sawtooth wave modulation signal;radar beat signal acquisition and build a second-order active bandpass filter for amplification;sending beat signal to the host computer and so on.The experimental results verify the effectiveness of the LFMCW radar beat signal acquisition system.%差频信号采集系统是线性调频连续波(LFMCW)雷达的核心部件之一.针对国产某新型LFMCW雷达传感器,设计并实现了基于C8051F120的LFMCW雷达差频信号采集系统,包括调制信号产生模块、差频信号采集模块以及串口通信模块.主要实现的功能有:产生非线性校正后的锯齿波调制信号;采集雷达差频信号并搭建二阶有源带通滤波器进行放大滤波;发送差频信号至上位机等.实验验证了LFMCW雷达差频信号采集系统的有效性.

摘要： 随着电力系统及其相关产业的发展以及电能管理系统的不断完善,电参数测试仪的结构和性能也经历了不断更新、优化的发展过程,电子式多功能电参数测试仪正逐渐取代传统的电磁式电参数测量仪,并结合远方抄表技术,成为配电自动化系统的重要组成部分.本文以新华龙单片机C8051F120为主控芯片,和电压传感器DL-PT202H1和电流传感器DL-CT1005A,为主要器件设计以一台三相电参数综合测量仪.

摘要： 随着电力系统及其相关产业的发展以及电能管理系统的不断完善,电参数测试仪的结构和性能也经历了不断更新、优化的发展过程,电子式多功能电参数测试仪正逐渐取代传统的电磁式电参数测量仪,并结合远方抄表技术,成为配电自动化系统的重要组成部分。本文以新华龙单片机C8051F120为主控芯片,和电压传感器DL-PT202H1和电流传感器DL-CT1005A,为主要器件设计以一台三相电参数综合测量仪。

摘要： 为了提高数字信号处理的快速稳定性,本文介绍了以C8051F120单片机为核心控制器,设计了一个具有DI板卡、DO板卡、AI板卡,AO板卡、通信模块的数据采集系统,将设计的数据采集系统用于纯电动汽车电力驱动测试平台系统的控制,将数据传给以Labview为虚拟仪器的上位机,经过实验,实验结果表明设计方案的可行性及良好的动静态特性.

摘要： This paper introduces a visualization human-machine interaction system method,which employs microcontrol-ler C8051F120 as the system controller and combines OLED display module V0008-FA-003. Not only focused on the sys-tem components, pivotal connection electric circuit design, this paper also interprets these core ideas and key algorithms in software development and implementation process. This program is facile to promote in the same types of application development.%文章中介绍一种采用C8051F120单片机作为系统控制器，结合一款OLED显示模块V0008-FA-003，构建可视化人机交互系统的方法。重点阐述了系统组成、核心接口电路设计，以及软件开发过程中的核心思想和关键算法。该方案简单易行，便于在同类型产品应用开发中推广。

摘要： 对现代工业喷码机喷头控制模块进行设计,该控制模块以C8051F120单片机为CPU,控制喷头打印,与上位机串口通信,是喷码机的一个独立模块.该喷头控制模块的设计包括对硬件电路的搭建和编程,并通过软件控制界面验证喷头驱动功能,为喷码机喷头控制模块提出良好的思路.目前市场喷码机多采用整体式结构,维修成本高,开发性能低,为此文中使喷头控制模块与主板分离,既降低维修成本,又大幅提升主板的开发性,具有广阔的市场前景和发展潜力.