This technology develops a high-efficiency whole-body vertical vibration system, which includes a high-power factor correction circuit, a 2-switch forward converter, a full-bridge inverter realized by a micro-controller. The developed application products can generate alternating sine-wave waveform of different frequencies and amplitudes to the electromagnet coils to generate vertical vibration force, thereby achieving the effect of high power factor and accelerated motion. Different frequencies and amplitude voltages can achieve different vibration body position and vibration strength.
Most of the existing vertical vibration machines use motors as the driving source. However, due to long-term mechanical vibration, their structure is easily fatigued or even destroyed. The proposed vibration machine is implemented in two ways, a proposed digital full-bridge converter and a classical analog class D amplifier. The advantages of this technology are wide vibration frequency, flexible digital control, high efficiency and high power factor. Additionally, the product price of this technology is less than 1/3 of the market.
The whole-body vibration training can enhance muscle strength, elasticity, and explosive power at different vibration frequencies and amplitudes. According to the analysis of products on the market, it can be divided into variable frequency and fixed frequency. The price of variable frequency ranges from NT. 114,000 to 567,000. The price of the proposed variable frequency product is about NT. 50,000. High-efficiency and variable-frequency whole-body vibration product. The completion of this product will make the developed product internationally competitive.

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