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This paper describes the reduction of self-excited vibrations with controlled eliminators containing a piezoelectric actuator and an electromagnetic system. The results of numerical simulations and experimental investigations confirm the effectiveness of the eliminators. The simulations were conducted with a Matlab - Simulink system. The experimental verification was conducted at a workstation simulating...
An impaired surface texture of the work-piece is a result of the chatter phenomena in machining. To remedy the problem various kinds of vibration absorbers have found a wide utility. In the paper three methods of control of a semi-active vibration absorber are compared. The first one is based on suboptimal pole and zero placement (PZP), the next one makes use of the model-following control (MFC) approach,...
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