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20世纪80年代末90年代初,由于计算机技术的飞速发展,功能强大的单片机在出租汽车计价器中得到了广泛应用。自从采用单片机制造计价器以来,全国各地发生了多起计价器因逻辑炸弹而引发大范围的死机事件,给各地政府部门及出租汽车公司带来了重大的经济损失,严重扰乱了客运出租汽车的正常营运秩序。为此,研究检测出租汽车计价器逻辑炸弹的方法,对维护客运出租汽车的正常营运秩序,保障出租汽车营运者及乘客的合法权益具有十分重要的意义。
In the late 1980s and early 1990s, due to the rapid development of computer technology, powerful microcontrollers were widely used in taxi meter. Since the adoption of SCM to manufacture meter, a large number of crashes have occurred in counties across the country and triggered a wide range of crashes. This has brought major economic losses to government departments and taxi companies in various places and severely disrupted the passenger taxis Normal operating order. Therefore, it is of great significance to study the method of detecting logical bomb of taxi meter to maintain the normal operating order of passenger taxi and protect the legitimate rights and interests of taxi operators and passengers.