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This paper proposed the face detection and tracking system using a embedded computing system for humanoid robot environment which allows the user to observe of recognize an unknown person. For detection faces in image sequence, the system uses the skin color model and deformable ellipse matching. Faces in a view are detected by maximizing the image gradient magnitude around the perimeter of the ellipse...
This paper presents a new kind of hydraulic load simulator (HLS) for conducting performance and stability test for control forces of hydraulic hybrid systems. For the purpose of improving force control performance of hydraulic hybrid systems, a robust force controller using quantitative feedback theory (QFT) technique applied to the HLS is also proposed in this paper. The controller is designed to...
Shape memory alloy (SMA) composites have many applications as actuators because of excellent power to weight ratio, smooth and silent actuation. SMA actuators exhibit severe hysteresis and system nonlinearities those are often responsible for position inaccuracy in a regulation or tracking system. In this paper, three different kind of linear, nonlinear and robust nonlinear controllers have been applied...
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