本文提出了一种微机自动测试系统,在内燃机实验中能实现对扭矩、转速、燃油的消耗量及各种温度的自动采样,并对测量数据进行处理.其结果以表格的形式打印输出,特性曲线用X-Y数字绘图仪绘制.本测量系统可提高测试精度,并节省测试时间. This paper presents a microcomputer automatic test system that can achieve the automatic sampling of the torque, speed, fuel consumption and various temperatures in the experiment of internal combustion engine, and process the measured data.The results are printed out in tabular form and the characteristics The curve is plotted with an XY plotter.The measurement system improves test accuracy and saves test time.