| 车距的自动测量及控制原理 |
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| 引用本文： | 李艳辉. 车距的自动测量及控制原理[J]. 汽车电器, 2004, 0(12): 8-9 |
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| 作者姓名： | 李艳辉 |
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| 作者单位： | 华北工学院理学系,山西,太原,030051 |
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| 摘 要： | 采用超声波传感器测量行驶中两车之间的距离,同时通过测量后车车速并根据驾驶员的反应时间而设计出一种自动控制装置,防止交通事故的发生。
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| 关 键 词： | 超声波 压电元件 脉冲 压电晶体 比较器 |
| 文章编号： | 1003-8639(2004)12-0008-02 |
| 修稿时间： | 2004-07-12 |
Automatic Measuring and Controlling Principles of the Following Distance of Vehicles |
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| LI Yan-hui. Automatic Measuring and Controlling Principles of the Following Distance of Vehicles[J]. Auto Electric Parts, 2004, 0(12): 8-9 |
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| Authors: | LI Yan-hui |
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| Abstract: | How to use the supersonic sensor to measure the distance between two vehicles is talked about here. An automatic control device is worked out to prevent traffic accidents according to the measured vehicle velocity afterwards and the driver's reaction time to handle the vehicle. |
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| Keywords: | supersonic piezoelectricity element pulse piezoelectric crystal comparator |
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