Vibratory synchronization transmission of two exciters in a super-resonant vibrating system

다국어 초록 (Multilingual Abstract)

In this study, vibratory synchronization transmission (VST) of two exciters is investigated in a super-resonant vibrating system to saveenergy. First, the frequency capture equation of two exciters (FCETE) is deduced by the average method of small parameters. The criterionof VST being the equivalent effective residual torque of motor with power supply should be smaller or equal to the frequency capturetorque of the system by setting the disturbance parameters of angular velocities in FCETE to zero. The stability criterion of synchronousstates is derived by complying with the generalized Lyapunov equations. Lastly, experiment and computing simulation on VST areconducted. The VST regime of two exciters is discussed in detail from coupling characteristic, current change, visual picture, phase relation,and direct verification of parameters, respectively by comparison and analyses of corresponding data. Results indicate that the keyfactor in VST implementation is the torque of frequency capture, which serves as the ‘vehicle’ in transferring energy. Thus, the distancebetween rotational centre of each exciter and mass centre of the rigid frame should be far enough to enhance the ability of VST and ensureenergy saving. The theory, experiment, and computing simulation prove that the theoretical approach used in this study is useful and feasible.

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