Three-channel Gaussmeter were used for detecting the flux density of different type of magnetic markers,including X,Y,and Z Axis with Vector Magnitude,to gain the data of the magnet field,and X,Y,Z direction distribution chart of magnetic field by utilized.

In Automated Highway System based on magnetic marker guidance, the navigation facilities refer to magnetic markers in the central road with same interval.

The principle of vehicle positioning based on magnetic markers guidance is introduced in this paper.

In order to avoid the decoding and reading mistake,a mistake control technology based on Hamming code was proposed for magnetic markers coding,its principle,structure and information expression method were introduced in detail,and the test in Proving Ground for Highway and Traffic of MOC and application in Tacheng o.

Selection principles for materials,geometry and dimension of the magnetic marker in the magnetic navigation system of outdoor mobile robot are introduced in detail.

With the experiments on the 2-axis magnetic field collection for the magnetic marker and the comparison of different m.

As immovable marker,the NdFeB magnetic markers are embedded into the ground of the scheduled paths of the robot to form the navigation line.