Abstract-This paper introduces the new concept of Artificial Neural Networks (ANNs) in estimating speed and controlling the separately excited DC motor. The neural control scheme consists of two parts. One is the neural estimator, which is us

将P6口输入的模拟电压AD转换后，从P4、P5口连接的数码管输出。 使用AD单通道多次转换，采集P6.0输入的模拟电压值（变化范围：0～3.3V），转换为数字量。 建立二维数组和通过顺序查表的方法得出采集回来的电压值。然后通过数码管显示当前电压值，显 示跟随输入的模拟电压的变化。由于只有两位数码管，故显示电压值精确到小数点后一位，如当前 输入电压2.37V，则显示2.4V。可用万用表检测显示是否准确。 -After the P6 port analog volta

An input filter is usually employed between a dc-dc converter and its unregulated power source. The filter serves to prevent the converter switching current ripples being reflected back into the source and also to isolate source voltage dist

ADC(Analog-to-digital converter) 指模/数转换器或者模拟/数字转换器,是一种将连续变量的模拟信号转换为离散的数字信号的器件。典型的模拟数字转换器将模拟信号转换为表示一定比例电压值的数字信号，例如电流采样，通常就是流过的电流在感应器上产生一个电压，然后根据ADC采集这个电压信号，通过感应比例反推此时的电流大小。(ADC (Analog-to-digital converter) finger / digital converter or analog / digit