高炮校射双站多目标跟踪定位技术研究

Artillery Modifier Faced Dual Station Multi-Target Tracking and Locating

针对现有高炮武器系统校射过程中均由人工直接目测偏差进行校射。所导致的校射精度低、时效性差等问题,采用基于计算机立体视觉技术的双目CCD空间交汇测量技术,通过合理配置两部光学二维坐标传感器同时获取目标和弹丸的空间三维坐标,从而计算出所需的空间三维弹目偏差。采用循环帧差和自适应阈值分割实现运动目标自动识别以及跟踪;采用异面直线定位方式实现目标定位。试验表明,系统在目标跟踪以及射击中能够较好地实现弹目偏差量自动获取过程,具有良好的实时性和稳定性,对提高现有高炮武器系统校射精度具有重要的实用价值。

Since the deviation modifier of the present antiaircraft artillery weapon systems are all controlled by ocular estimation in the process of shooting calibration, it is time consuming and the accuracy is low. We proposed a technique of binocular-CCD spatial intersection measuring based on 3D visual technique, and allocated two 2D optical sensors rationally for obtaining the 3D coordinates of target and projectile. Then the miss distance could be computed out. The system used circular frame difference and self-adaptive threshold segmentation to realize auto-discrimination and tracking of moving target. With the skew lines, the location of target was obtained. The experimental result showed that the system can obtain the miss distance automatically during tracking and firing the target, which has fine real-time performance and high stability. The study is of great practical value for improving the accuracy of antiaircraft artillery adjustment.