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超声波测距是一项价格实惠的非接触性技术,利用超声波测距原理实现驾驶舱中驾驶员头部位置的检测。首先介绍了测量系统的工作流程,然后阐述了测量装置的组成并提供了三维坐标的计算方法,最后建立了测量装置的检测精度及测量范围的测试平台。
Ultrasonic ranging is a cost-effective, non-contact technology that uses the ultrasonic ranging principle to detect the driver’s head position in the cockpit. Firstly, the work flow of the measuring system is introduced. Then the composition of the measuring device and the method of calculating the three-dimensional coordinates are introduced. Finally, the testing platform of measuring accuracy and measuring range of the measuring device is established.