A Self-Powered Sensor Module Using Vibration-Based Energy Generation for Ubiquitous Systems

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A new architecture for ubiquitous sensor modules using vibration-based energy generation is proposed and the CMOS implementation of the proposed architecture is presented. The sensor module only scavenges vibration-based energy as energy source by using piezoelectric element to realize no batteries operation. The sensor module is used to supervise the vibration of machines and transfer the vibration signal discontinuously. Based on the proposed new architecture, the sensor module can sense signal and scavenge energy from the same piece of piezoelectric element and can avoid the long time start-up time. The sensor module also realizes short range (about ten meters) wireless transmission

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