电动微耕机数据采集与动力控制系统设计  

Design of Data Acquisition and Power Control System for Electric-Micro-tiller

作　　者：柴媛欣 石晶[1] 朱志强[1] Chai Yuanxin;Shi Jing;Zhu Zhiqiang(Automobile & Traffic Engineering College,Liaoning University of Technology,Liaoning Jinzhou 121000)

机构地区：[1]辽宁工业大学汽车与交通工程学院

出　　处：《汽车实用技术》2019年第18期18-21,共4页Automobile Applied Technology

基　　金：辽宁省重点研发计划项目——基于无线遥控的先进履带式新能源微耕机研发

摘　　要：设计一种以单片机STC89C52RC为核心的电动微耕机数据采集与动力控制系统,其通过控制PWM占空比来调节电机转速,通过电流传感器检测实时电流信号、电压传感器检测实时电压信号、电机控制器输出实时转速信号、LCD液晶显示和存储模块为一体的电动微耕机数据采集与动力控制系统,达到提高电动微耕机作业质量,减少能耗,降低工作成本等目的。试验结果表明:该电动微耕机数据采集与动力控制系统,可在一定的范围内进行速度的平滑调节,并在负载发生变化的情况下保持转速基本不变,具有良好的稳态、动态性能,并且该系统能够实时显示、记录电动微耕机作业时的各项指标变化情况,以此可对电动微耕机动力系统进行优化匹配,使其满足其动力性及经济性的需求。Design a micro-controller STC89C52RC as the core of the electric-micro-tiller data acquisition and power control system that adjusts the motor speed by controlling PWM duty ratio.Real-time current signal is detected by current sensor,real-time voltage signal is detected by voltage sensor,real-time speed signal is output by motor controller,data acquisition and power control system of electric micro-tiller is integrated with LCD display and storage module to improve the operation quality of electric-micro-tiller,reduce energy consumption and work cost.The test results show that the data acquisition and power control system of the electric-micro-tiller can smoothly adjust the speed within a certain range when working,and keep the rotation speed basically unchanged when the load changes,with good steady-state and dynamic performance.In addition,the system can display and record the changes of various indexes during the operation of the electric-micro-tiller in real time,so as to optimize the matching of the power system of the electric-micro-tiller and make it meet the requirements of its power performance and economy.

关 键 词：单片机STC89C52RC 电动微耕机 数据采集 动力控制 

分 类 号：U463.5[机械工程—车辆工程]