| Based on the theoretically analyzing of the braking process, the applied counting model of the safe following distance between two cars on freeways is established. According to the contrast and analysis of different distance measure methods, the just method for the article is selected. By using a single chip microcomputer as the control center of the system, analyzing and judging all of information .When the following distance is less than the safe following distance, an alarm is raised to the driver. What is more, the reliability and validity are given according to the result of the system. |
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