Hyeon Mo Yang

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A positioning system with long stroke and high precision by dual-stage control was designed. The focus was on combining the long-stroke travel range of linear stage with high-precision characteristics of piezoelectric actuators. The control method used in the system was dynamic compensation type, where the error from linear stage becomes the input to the(More)
The work addresses a model for the spread of HIV in the human body and proposes a strategy to minimize the computational cost of solving this model via the finite difference method (FDM). The model comprises a set of nonlinear ordinary differential equations that describe the dynamics of susceptible, infected, defense, active cells and HIV. It is innovative(More)
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