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This study suggests a position estimator using linear hall effect sensors and iterative algorithm. Compared to other typical position sensors such as encoders and resolvers, hall effect sensors have several advantages. (e.g., insensitivity to both external disturbances and environmental contaminations, and having a scaleless property). Furthermore, linear hall sensors provide more detailed information...
In the robot research field, ultrasonic sensors have been highly employed for a long time. However, the sensors have used in the limited applications for near distance measuring, because ultrasonic sensor has some following limitations: low sampling rate, short detection range, and vulnerable to environmental noise. To overcome these limitations, the goal of this research is proposing new operating...
The vehicle industry has applied active suspension system for a long time to enhance ride-quality and driving stability. However, only a small improvement is seen in the absence of a preview sensor, and thus it is an integral component in designing active suspension systems. Devices such as stereo vision, lidar, and radar systems thus far have been used when building preview information for active...
In order to get full 3D model from consumer depth cameras, previous approaches used set of synchronized depth cameras or moved the depth sensor around the target object. This on-going work introduces a cost effective and convenient framework for filming dynamic 3D object. This set is comprised of a consumer depth camera, or RGBD sensor and a pair of mirrors. Because of the images reflected from two...
A new concept of crystalline phase embedded in amorphous matrix is proposed as solid permeable material for the separation and purification of hydrogen. A β-(Ti,Zr,Nb) crystalline phase forms in the liquid during the cooling of Nb-containing Ti-based bulk metallic glasses (BMGs). The β-(Ti,Zr,Nb) body centered cubic phase composed of group 4 and 5 elements of the periodic table provides remarkable...
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