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PETREL, a winged hybrid-driven underwater glider is presented, which features long-endurance low-noise while penetrating the ocean like a UW glider and burst-speed high-maneuverability while operated as an AUV. In addition, kinematic and dynamic model of the vehicle are developed based the theorem of momentum and moment of momentum. Moreover, equations of equilibrium indicating the balance pitch and...
The programming method to control a stepper motor or a servo motor using a parallel port is described. This procedure enables control of a motor using the high resolution performance counter with accuracy exceeding 1 microsecond on most hardware of PC and the algorithm for motion control not have any additional hardware for motion control such as PCI motion control card. The procedure for control...
Automation has long been recognized as an important goal in AFM (atomic force microscope) nanomanipulation research. For the precise manipulation of small particles with sizes on the order of 10 nm, however, automation has remained an elusive goal, primarily because of the spatial uncertainties associated with the positioning mechanisms of the AFM and with the manipulation process itself. Extensive...
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