摘要
鉴于目前车灯安装间隙多采用接触式测量,提出一种基于激光扫描技术和工业机器人技术相结合的车灯安装间隙测量方法。该方法用检具模拟车身,建立车灯安装间隙测量系统。首先对激光扫描数据进行预处理,去除超量程的无效数据点,然后选定双边滤波对数据进行平滑去噪。通过对车灯与检具边界点的确定算法中高度差阈值的选择,找到车灯与检具的边界点,利用车灯安装间隙计算模型确定间隙大小。实验结果表明,该测量方法准确性和效率高,且重复性满足要求。
To measure the lamp installation clearance, this paper proposes a method for measuring the installation gap of the headlights based on the combination of laser scanning technology and industrial robot technology. The method simulates a vehicle body with a gage and establishes a measurement system for a lamp installation gap. First, the laser scan data is preprocessed to remove the invalid data points of the overrange, and then the bilateral filter is used to smooth the data denoising. Through the selection of the height difference threshold in the determination algorithm of the boundary point of the vehicle lamp and the inspection tool, the boundary point between the vehicle lamp and the inspection tool is found, and the gap size is determined by the lamp installation clearance calculation model. The experimental results show that the measurement method has high accuracy, high efficiency, and repeatability also meets the requirements.
作者
林玉莹
穆平安
戴曙光
Lin Yuying;Mu Ping′an;Dai Shuguang(School of Optical-Electronic Information and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)
出处
《电子测量技术》
2019年第3期129-134,共6页
Electronic Measurement Technology
关键词
激光扫描
工业机器人
双边滤波
车灯安装间隙
laser scanning
industrial robot
bilateral filtering
lamp installation clearance
