Electro-magnetic actuated vibrating platform

In vibration therapy, mechanical vibrations are induced in the body while the person sits upright on a high frequency vibrating platform. Multiple meta-analyzes have shown growing interest in this type of therapy, not only to fortify muscles, for the prevention and treatment of bone decalcification (osteoporosis), but also for patients suffering from certain chronic diseases [1]. The vibrations of the platform are specific for each patient because the frequency and amplitude of the oscillations are directly related to the person´s weight. The original system, which was patented [7], was an electromechanical one with limited possibilities for further research. This paper presents a low frequency electromagnetic actuated vibrating platform and the corresponding electronic control system which automatically corrects the vibrations frequency through a feedback loop. Frequency stability in this case is ± 0.5 Hz.