Scientists invent new vibration generators for wireless systems
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Dr. Steve Beeby of the Department of Electronics and Computers and his team invented this kinetic energy generator that uses the vibrations and motions in its environment to generate electrical energy. Beeby said: "This is the most successful example of this type of generator, which is more efficient than any similar device of the same size." The results have just been published in the latest Journal of Micromechanics and Microengineerin.
This generator is less than 1 cubic centimeter in size and is part of the EU-funded EUR4.13 million VIBES project. Its main purpose is to provide power to wireless sensors that monitor the environment of the plant. In addition, scientists plan to implant these devices into air compression units.
Similarly, small generators can be used in wireless self-powered tire sensors. Further development will be the technical basis for self-powered cardiac pacemakers that can replace traditional batteries. For implantable devices, periodic battery replacement is not practical. Beeby said: "Vibration energy devices have received a lot of attention because they can provide power to wireless sensor nodes. The biggest benefit of wireless sensor systems is that they can be used for applications that were previously unusable after removing the batteries and wiring. area."
Beeby also said that the focus on low-energy micro-sensors and wireless sensor networks has increased in recent times. But how to power these sensors is an area of ​​concern, especially for sensors that are fully implanted inside. He believes that VIBES generators are the best solution to this problem.