Nasaruddin Ahmad

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Smart or active materials expand or deform as a response to external pressure, temperature, or electromagnetic field. The most commonly used active material in actuators is piezoelectric as it relates the electric field to mechanical compression and elongation. However, mathematical modeling of such actuators is tedious and complicated because of the(More)
This thesis presents modelling and development of a robust control algorithm of a two-link flexible manipulator. A planar two-link flexible robot manipulator incorporating payload that moves in a horizontal plane is considered. A dynamic model of the system is developed using a combined Euler-Lagrange and Assumed Mode Methods (AMM) and simulated using(More)
Ultrasonically Assisted Machining (UAM) is an emerging technology that has proven to be very efficient in improving the surface finishing in material machining such as turning, milling, and drilling. Smart material actuators are used in such applications to vibrate the cutting tip while machining, hence, improving the manipulated surface. In order to(More)
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