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This paper presents a smart window system which can transmit only necessary sound as siren of ambulance, but blocks any other unnecessary noises and disturbances in the primary path, by controlling the second window's vibration by piezoelectric actuators using information of the first window's vibration sensed by piezoelectric sensors. For the purpose, we propose the adaptive necessary signal extraction...
A new nonlinear filtered-x algorithm is proposed for adaptive feedforward compensation for parallel Hammerstein systems, which has many applications such as nonlinear active noise control and predistortion for nonlinear high power amplifiers. To attenuate the compensation error, a virtual error and prediction error are introduced and forced into zero by adjusting three nonlinear adaptive filters in...
An adaptive friction compensator is proposed using the generalized Maxwell-slip (GMS) friction model, with a new, linearly-parameterized Stribeck function. It employs a polynomial equation that is linear-in-the-parameter to describe the nonlinear Stribeck effect in the GMS model, and simplifies the design of an adaptive friction compensator. The proposed compensator has a switching structure to accommodate...
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