CAJ | 학술논문

为了准确测量微型电机的转速,设计了一个数字化转速仪.应用光电传感器采集转速脉冲,数字集成电路进行定时、计数、显示等,给出了各个模块的电路图,同时用Multisim软件做了仿真.测试结果表明,系统误差小于2%,控制灵活,实用性强.
위료준학측량미형전궤적전속,설계료일개수자화전속의.응용광전전감기채집전속맥충,수자집성전로진행정시、계수、현시등,급출료각개모괴적전로도,동시용Multisim연건주료방진.측시결과표명,계통오차소우2%,공제령활,실용성강.
To measure the rotational speed of micromotor,a tachometer is designed.The photoelectric sensor is applied for the acquisition of speed pulse.Timing,counting and display are the work of digital ICs.The circuit diagram are given,meanwhile they are simulated by Multisim.The test results show that,the system error is less than 2%,and it is control ed flexibly,of strong practicability.