研究目的
Improving existing process monitoring systems for drilling, milling or threading by employing a novel communication technology as well as energy harvesting methods.
研究成果
The concept of a low power sensor node with photovoltaic power supply for radio-based process monitoring is presented, demonstrating the potential of backscatter modulation for energy-saving operation. The evaluation of solar cells under artificial light conditions highlights the necessity of an additional light source for sufficient power generation. Two prototype designs are proposed, focusing on energy harvesting and communication technology.
研究不足
The need for an additional light source to achieve sufficient illuminance levels for powering the sensor node, and the challenge of ensuring stable communication due to shading effects in rotating applications.
1：Experimental Design and Method Selection:
The study involves the development of a low power sensor node with photovoltaic power supply for radio-based process monitoring, focusing on backscatter modulation for wireless data transfer and energy harvesting methods.
2：Sample Selection and Data Sources:
Solar cells of various materials are tested under artificial light conditions to characterize their performance.
3：List of Experimental Equipment and Materials:
Includes solar cells, LED modules for illumination, a source measure unit (Keysight B2902A), and a Wi-Fi module (CC3200 from Texas Instruments).
4：Experimental Procedures and Operational Workflow:
Measurements of solar cell power output under different illuminance levels and current consumption of the Wi-Fi module under various operation conditions.
5：Data Analysis Methods:
Analysis of power consumption and efficiency of different solar cell types and communication technologies.
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