Converting Mechanical Vibrational Energy Into Electrical Energy
First Claim
1. An electromechanical generator comprising an electromechanical device for converting mechanical vibrational energy into electrical energy, the electromechanical device being a velocity damped resonator having a damping coefficient and a resonant frequency, a power detector for detecting the output electrical power from the electromechanical device, a controller, and a damping coefficient adjuster for adjusting the damping coefficient of the electromechanical device, the controller being arranged to control the damping coefficient adjuster in response to the output electrical power detected by the power detector.
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Accused Products
Abstract
An electromechanical generator comprising an electromechanical device for converting mechanical vibrational energy into electrical energy, the electromechanical device being a velocity damped resonator having a damping coefficient and a resonant frequency, a power detector for detecting the output electrical power from the electromechanical device, a controller, and a damping coefficient adjuster for adjusting the damping coefficient of the electromechanical device, the controller being arranged to control the damping coefficient adjuster in response to the output electrical power detected by the power detector.
30 Citations
45 Claims
- 1. An electromechanical generator comprising an electromechanical device for converting mechanical vibrational energy into electrical energy, the electromechanical device being a velocity damped resonator having a damping coefficient and a resonant frequency, a power detector for detecting the output electrical power from the electromechanical device, a controller, and a damping coefficient adjuster for adjusting the damping coefficient of the electromechanical device, the controller being arranged to control the damping coefficient adjuster in response to the output electrical power detected by the power detector.
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19. A method of converting mechanical vibrational energy into electrical energy using an electromechanical generator, the method comprising the steps of:
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providing an electromechanical device comprising a velocity damped resonator having a damping coefficient and a resonant frequency; vibrating the electromechanical device; detecting the output electrical power from the electromechanical device; and adjusting the damping coefficient of the electromechanical device in response to the detected output electrical power. - View Dependent Claims (20, 21, 22, 23, 24)
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34. A method of converting mechanical vibrational energy into electrical energy using an electromechanical generator, the method comprising the steps of:
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providing an electromechanical device comprising a velocity damped resonator having a damping coefficient and a resonant frequency; presetting the damping coefficient to a preset first damping coefficient; presetting the resonant frequency to a preset first frequency; vibrating the electromechanical device; detecting the output electrical power from the electromechanical device; changing the resonant frequency of the electromechanical device from the preset first frequency until a maximum output electrical power is detected at the preset first damping coefficient, the resonant frequency being changed to a final resonant frequency; and reducing, at the final resonant frequency, the damping coefficient of the electromechanical device from the preset first damping coefficient until a maximum output electrical power is detected at the final resonant frequency.
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Specification