Method of controlling group of objects e.g. train with trailer, involves detecting direction, position or location of specific object such as trailer among group of objects such as train or convoy, and comparing to set point

摘要

The method involves detecting the direction, position or location of specific object such as trailer from group of objects such as train or convoy and tractor (1), and comparing to a set point. The object with measuring device such as laser or radar or camera, or ultrasound device is detected by prominent feature on other object. The correction, warning, slow travel or shutdown is initiated when an essential distinctive feature is not recognized. The landmarks are used to determine the object direction, position, or location.