DEVICE FOR DEMONSTRATION AND RESEARCH free oscillations of a mechanical system with two degrees of freedom

摘要

The invention relates to educational and research equipment at the theoretical mechanics and is a device for the display and investigation of free oscillations of the mechanical system with two degrees of freedom. It comprises a base, a rack with an arm and two physical pendulum, each of which consists of a rod with a load at its end. Wherein one of the pendulum rod is pivotably mounted on the bracket and the rod and the other is hinged at the free end of the first pendulum. Based between the rack and panel mounted pendulums, which are fixed clamps pendulums in initial positions corresponding to their principal vibrations with frequencies, embodied as electromagnets with cores, cooperating with corresponding apertures in loads pendulums. The device is provided with sensors deflection angles pendulum from the equilibrium position are designed as potentiometers, the sensor supply unit and signal processing unit, for which a personal computer is applied. 2 ZP f ly-6-yl.