用计算机控制的汽车最经济行驶指示器日本日野汽车公司研究成功一种用计算机控制的汽车最经济行驶指示器一“电子自动行驶监控器”。计算机预先贮存了发动机的耗油特点，因而在行驶过程中，把发动机的工作状态输入计算机。发动机转速由交流发电机Ｎ端的频率检测出来；发动... Computer-controlled car the most economical driving indicator Japan’s Hino Motors Co., Ltd. success of a computer-controlled car the most economical driving indicator an “electronic automatic travel monitor.” Computer pre-stored engine fuel consumption characteristics, and thus in the process of running, the work of the engine input into the computer. The engine speed is detected by the frequency of the N-terminal of the alternator;