2016 Volume 68 Issue 2 Pages 157-161
Vehicle detector is the essential sensor for traffic control systems. These data approaches gradually less accurate, and then vehicle detector often becomes fault. In terms of accuracy, we need detect this anomaly, determine fault of vehicle detectors and take preventive measures for vehicle detectors. Since the vehicle detector is a large number, efficient and effective fault detection methods are needed. In this paper, we propose the fault detection method with the aggregated data, and verify the validity by using the actual data.