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According to foreign media reports, Columbia University researchers have developed a new electronic architecture that uses daisy chain intermittent processing operations. It is said to reduce sensor power consumption by up to 100 times, allowing future sensors Applications such as vital signs, climate change, and energy consumption can be monitored without using batteries or power cords.
Researchers at Columbia University, who are working on this research, said that this self-powered electronic architecture allows sensors and other monitoring equipment to stay connected at all times throughout the year without using batteries or performing any maintenance.
"When you integrate more functions in a smaller space, power consumption will also become very low," said Peter Kinget, a professor at Columbia University. "But nano-scale transistors are not reliable and cannot maintain a large signal level. New design concepts are needed. "
Columbia University showed a chip that can reduce power consumption by 100 times. It can power the sensor through ambient light, so no battery is needed. (Source: Columbia University Source)
Interrupting processing operations through daisy chain—rather than maintaining transmission status at any time—can allow various sensors to significantly reduce power consumption while still providing the required data. These applications include smart apparel that can monitor vital signs (and also transmit the wearer ’s location in an emergency), sensors that monitor building energy consumption, or sensors that can collect and transmit weather-type data in remote areas Wait.
Kinget said that this architecture uses a small amount of ambient light to generate nanoamps of current on the chip to power the sensor, while intermittently sampling the environment when enough energy is stored to obtain readings. This component does not power long-distance wireless receivers, but queries the environment to find the nearest proximity sensor and communicates from node to node. Since such small components cannot ensure a certain degree of reliability, the architecture also uses algorithms to average multiple readings to achieve any required accuracy.
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