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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Dynamics of gearing with internal variation of stiffness
 Půst, Ladislav ; Škuderová, Alena
Motion of a single pair of spur gears connected with driving motor with limited power is studied. The variation of torsional contact stiffness is periodic function of angle of rotation. Mathematical model of teeth stiffness is piecewise linear.
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Simulation and experimental investigation of the oscillator with soft impacts
 Peterka, František ; Kocanda, Lubomír ; Veselý, Jan
The dynamics of oscillators with rigid impacts, based on the Newton elementary theory of impacts, which neglects a time duration of the impact and the velocity of motion is described by coefficient of restitution, is known. New interest of the investigation is directed on the systems with soft impacts, when a time interval of the impact is not zero and it is necessary to choose a proper model of elastic and damping forces appeared during the soft impact [4]. Such approach can explain the behaviour of the oscillator, when it transits from the linear - impactless - motion into motion with rigid impacts.
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