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This paper presents a comparative study of Robot Operating System (ROS) packages for mobile robot navigation on an embedded system. ROS provides various libraries and tools in developing complex robot software. We discuss the process of porting ROS to an open embedded platform, which serves as the main controller for a mobile robot. In the case of driving the robot, ROS provides local path planners...
Micron-size mechanical devices are becoming more prevalent, both in commercial applications and in scientific inquiry. Within the last decade, a dramatic increase in research activities has taken place, mostly due to the rapidly expanding growth of applications in areas of MEMS, bioengineering, chemical systems, and advanced energy systems. The effects of vortex viscosity variation on the flow fields...
Anisotropy inhomogeneity of rf sputtered permalloy thin films was measured using the TBP method. Angular distribution function showed the Lorentz distribution because of a long taol to high Hk. With increasing film thicknees, both the angular and magnitude anisotropy dispersion increased. This could be attributed to the increase of grain size and local anisotropy, as suggested by the Hoffmann ripple...
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