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Modelling and control of gas turbines (GTs) have always been a controversial issue because of the complex dynamics of these kinds of equipment. Considerable research activities have been carried out so far in this field in order to disclose the secrets behind the nonlinear behaviour of these systems. Although the results of the research in this area have been satisfactory so far, it seems that there...
Pneumatic, non-contact end effectors for robotic pick-and-place applications use compressed air to provide an adhesion force based on the Bernoulli principle, which creates a low pressure region near the surface of the end effector. However, consideration of the influence of the Bernoulli principle alone gives an inadequate account of the performance of some end effector designs. In fact, end effector...
The roll dynamics of a 5kg, 1.3 m high sounding rocket are analyzed in a vertical wind tunnel. Significant turbulence in the tunnel makes the system identification of the effective inertia, damping and asymmetry with respect to roll challenging. A novel method is developed which decouples the disturbance from the rocket frame's intrinsic roll dynamics and allows accurate prediction of roll rate and...
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